jruby · Mar 1, 2015 · Mar 1, 2015 · Mar 1, 2015 · Mar 1, 2015 · Mar 1, 2015
diff --git a/spec/truffle/tags/core/array/pack/at_tags.txt b/spec/truffle/tags/core/array/pack/at_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/b_tags.txt b/spec/truffle/tags/core/array/pack/b_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/c_tags.txt b/spec/truffle/tags/core/array/pack/c_tags.txt
@@ -2,23 +2,7 @@ fails:Array#pack with format 'C' ignores whitespace in the format string
 fails:Array#pack with format 'C' calls #to_str to coerce the directives string
 fails:Array#pack with format 'C' taints the output string if the format string is tainted
 fails:Array#pack with format 'C' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'C' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'C' raises a TypeError when passed true
-fails:Array#pack with format 'C' raises a TypeError when passed false
-fails:Array#pack with format 'C' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'C' raises a TypeError when passed a String
-fails:Array#pack with format 'C' raises ArgumentError when the format modifier is '_'
-fails:Array#pack with format 'C' raises ArgumentError when the format modifier is '!'
 fails:Array#pack with format 'c' ignores whitespace in the format string
 fails:Array#pack with format 'c' calls #to_str to coerce the directives string
 fails:Array#pack with format 'c' taints the output string if the format string is tainted
 fails:Array#pack with format 'c' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'c' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'c' raises a TypeError when passed true
-fails:Array#pack with format 'c' raises a TypeError when passed false
-fails:Array#pack with format 'c' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'c' raises a TypeError when passed a String
-fails:Array#pack with format 'c' raises ArgumentError when the format modifier is '_'
-fails:Array#pack with format 'c' raises ArgumentError when the format modifier is '!'
-fails:Array#pack with format 'C' raises a TypeError when passed nil
-fails:Array#pack with format 'c' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/d_tags.txt b/spec/truffle/tags/core/array/pack/d_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/e_tags.txt b/spec/truffle/tags/core/array/pack/e_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/f_tags.txt b/spec/truffle/tags/core/array/pack/f_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/g_tags.txt b/spec/truffle/tags/core/array/pack/g_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/h_tags.txt b/spec/truffle/tags/core/array/pack/h_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/i_tags.txt b/spec/truffle/tags/core/array/pack/i_tags.txt
@@ -1,19 +1,9 @@
 fails:Array#pack with format 'I' ignores whitespace in the format string
 fails:Array#pack with format 'I' calls #to_str to coerce the directives string
 fails:Array#pack with format 'I' taints the output string if the format string is tainted
-fails:Array#pack with format 'I' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'I' raises a TypeError when passed true
-fails:Array#pack with format 'I' raises a TypeError when passed false
-fails:Array#pack with format 'I' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'I' raises a TypeError when passed a String
 fails:Array#pack with format 'i' ignores whitespace in the format string
 fails:Array#pack with format 'i' calls #to_str to coerce the directives string
 fails:Array#pack with format 'i' taints the output string if the format string is tainted
-fails:Array#pack with format 'i' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'i' raises a TypeError when passed true
-fails:Array#pack with format 'i' raises a TypeError when passed false
-fails:Array#pack with format 'i' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'i' raises a TypeError when passed a String
 fails:Array#pack with format 'I' with modifier '<' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'I' with modifier '<' and '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'I' with modifier '<' and '!' calls #to_int to convert the pack argument to an Integer
@@ -28,5 +18,3 @@ fails:Array#pack with format 'i' with modifier '>' and '_' calls #to_int to conv
 fails:Array#pack with format 'i' with modifier '>' and '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'I' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'i' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'I' raises a TypeError when passed nil
-fails:Array#pack with format 'i' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/l_tags.txt b/spec/truffle/tags/core/array/pack/l_tags.txt
@@ -1,116 +1,70 @@
 fails:Array#pack with format 'L' ignores whitespace in the format string
 fails:Array#pack with format 'L' calls #to_str to coerce the directives string
 fails:Array#pack with format 'L' taints the output string if the format string is tainted
-fails:Array#pack with format 'L' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'L' raises a TypeError when passed true
-fails:Array#pack with format 'L' raises a TypeError when passed false
-fails:Array#pack with format 'L' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'L' raises a TypeError when passed a String
 fails:Array#pack with format 'l' ignores whitespace in the format string
 fails:Array#pack with format 'l' calls #to_str to coerce the directives string
 fails:Array#pack with format 'l' taints the output string if the format string is tainted
-fails:Array#pack with format 'l' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'l' raises a TypeError when passed true
-fails:Array#pack with format 'l' raises a TypeError when passed false
-fails:Array#pack with format 'l' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'l' raises a TypeError when passed a String
 fails:Array#pack with format 'L' with modifier '<' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '>' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'L' with modifier '<' and '_' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'L' with modifier '<' and '_' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'L' with modifier '<' and '_' encodes a Float truncated as an Integer
 fails:Array#pack with format 'L' with modifier '<' and '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '<' and '_' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'L' with modifier '<' and '_' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'L' with modifier '<' and '_' ignores NULL bytes between directives
 fails:Array#pack with format 'L' with modifier '<' and '_' ignores spaces between directives
-fails:Array#pack with format 'L' with modifier '<' and '!' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'L' with modifier '<' and '!' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'L' with modifier '<' and '!' encodes a Float truncated as an Integer
 fails:Array#pack with format 'L' with modifier '<' and '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '<' and '!' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'L' with modifier '<' and '!' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'L' with modifier '<' and '!' ignores NULL bytes between directives
 fails:Array#pack with format 'L' with modifier '<' and '!' ignores spaces between directives
-fails:Array#pack with format 'L' with modifier '>' and '_' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'L' with modifier '>' and '_' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'L' with modifier '>' and '_' encodes a Float truncated as an Integer
 fails:Array#pack with format 'L' with modifier '>' and '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '>' and '_' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'L' with modifier '>' and '_' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'L' with modifier '>' and '_' ignores NULL bytes between directives
 fails:Array#pack with format 'L' with modifier '>' and '_' ignores spaces between directives
-fails:Array#pack with format 'L' with modifier '>' and '!' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'L' with modifier '>' and '!' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'L' with modifier '>' and '!' encodes a Float truncated as an Integer
 fails:Array#pack with format 'L' with modifier '>' and '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '>' and '!' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'L' with modifier '>' and '!' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'L' with modifier '>' and '!' ignores NULL bytes between directives
 fails:Array#pack with format 'L' with modifier '>' and '!' ignores spaces between directives
 fails:Array#pack with format 'l' with modifier '<' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '>' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'l' with modifier '<' and '_' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'l' with modifier '<' and '_' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'l' with modifier '<' and '_' encodes a Float truncated as an Integer
 fails:Array#pack with format 'l' with modifier '<' and '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '<' and '_' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'l' with modifier '<' and '_' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'l' with modifier '<' and '_' ignores NULL bytes between directives
 fails:Array#pack with format 'l' with modifier '<' and '_' ignores spaces between directives
-fails:Array#pack with format 'l' with modifier '<' and '!' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'l' with modifier '<' and '!' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'l' with modifier '<' and '!' encodes a Float truncated as an Integer
 fails:Array#pack with format 'l' with modifier '<' and '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '<' and '!' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'l' with modifier '<' and '!' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'l' with modifier '<' and '!' ignores NULL bytes between directives
 fails:Array#pack with format 'l' with modifier '<' and '!' ignores spaces between directives
-fails:Array#pack with format 'l' with modifier '>' and '_' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'l' with modifier '>' and '_' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'l' with modifier '>' and '_' encodes a Float truncated as an Integer
 fails:Array#pack with format 'l' with modifier '>' and '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '>' and '_' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'l' with modifier '>' and '_' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'l' with modifier '>' and '_' ignores NULL bytes between directives
 fails:Array#pack with format 'l' with modifier '>' and '_' ignores spaces between directives
-fails:Array#pack with format 'l' with modifier '>' and '!' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'l' with modifier '>' and '!' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'l' with modifier '>' and '!' encodes a Float truncated as an Integer
 fails:Array#pack with format 'l' with modifier '>' and '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '>' and '!' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'l' with modifier '>' and '!' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'l' with modifier '>' and '!' ignores NULL bytes between directives
 fails:Array#pack with format 'l' with modifier '>' and '!' ignores spaces between directives
 fails:Array#pack with format 'L' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'L' with modifier '_' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'L' with modifier '_' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'L' with modifier '_' encodes a Float truncated as an Integer
 fails:Array#pack with format 'L' with modifier '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '_' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'L' with modifier '_' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'L' with modifier '_' ignores NULL bytes between directives
 fails:Array#pack with format 'L' with modifier '_' ignores spaces between directives
-fails:Array#pack with format 'L' with modifier '!' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'L' with modifier '!' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'L' with modifier '!' encodes a Float truncated as an Integer
 fails:Array#pack with format 'L' with modifier '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'L' with modifier '!' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'L' with modifier '!' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'L' with modifier '!' ignores NULL bytes between directives
 fails:Array#pack with format 'L' with modifier '!' ignores spaces between directives
-fails:Array#pack with format 'l' with modifier '_' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'l' with modifier '_' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'l' with modifier '_' encodes a Float truncated as an Integer
 fails:Array#pack with format 'l' with modifier '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '_' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'l' with modifier '_' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'l' with modifier '_' ignores NULL bytes between directives
 fails:Array#pack with format 'l' with modifier '_' ignores spaces between directives
-fails:Array#pack with format 'l' with modifier '!' encodes the least significant 64 bits of a positive number
-fails:Array#pack with format 'l' with modifier '!' encodes the least significant 64 bits of a negative number
-fails:Array#pack with format 'l' with modifier '!' encodes a Float truncated as an Integer
 fails:Array#pack with format 'l' with modifier '!' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'l' with modifier '!' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'l' with modifier '!' encodes all remaining elements when passed the '*' modifier
@@ -140,5 +94,3 @@ fails:Array#pack with format 'l' with modifier '_' encodes the least significant
 fails:Array#pack with format 'l' with modifier '_' encodes the least significant 32 bits of a negative number
 fails:Array#pack with format 'l' with modifier '!' encodes the least significant 32 bits of a positive number
 fails:Array#pack with format 'l' with modifier '!' encodes the least significant 32 bits of a negative number
-fails:Array#pack with format 'L' raises a TypeError when passed nil
-fails:Array#pack with format 'l' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/m_tags.txt b/spec/truffle/tags/core/array/pack/m_tags.txt
@@ -1,17 +1,6 @@
-fails:Array#pack with format 'M' ignores whitespace in the format string
-fails:Array#pack with format 'M' calls #to_str to coerce the directives string
-fails:Array#pack with format 'M' taints the output string if the format string is tainted
-fails:Array#pack with format 'M' raises an ArgumentError if there are fewer elements than the format requires
 fails:Array#pack with format 'M' encodes a recursive array
 fails:Array#pack with format 'M' calls #to_s to convert an object to a String
 fails:Array#pack with format 'M' converts the object to a String representation if #to_s does not return a String
 fails:Array#pack with format 'M' encodes a Symbol as a String
 fails:Array#pack with format 'M' encodes an Integer as a String
-fails:Array#pack with format 'm' ignores whitespace in the format string
-fails:Array#pack with format 'm' calls #to_str to coerce the directives string
-fails:Array#pack with format 'm' taints the output string if the format string is tainted
-fails:Array#pack with format 'm' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'm' calls #to_str to convert an object to a String
-fails:Array#pack with format 'm' raises a TypeError if #to_str does not return a String
-fails:Array#pack with format 'm' raises a TypeError if passed nil
 fails:Array#pack with format 'm' raises a TypeError if passed an Integer
diff --git a/spec/truffle/tags/core/array/pack/n_tags.txt b/spec/truffle/tags/core/array/pack/n_tags.txt
@@ -1,24 +1,8 @@
 fails:Array#pack with format 'N' ignores whitespace in the format string
 fails:Array#pack with format 'N' calls #to_str to coerce the directives string
 fails:Array#pack with format 'N' taints the output string if the format string is tainted
-fails:Array#pack with format 'N' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'N' raises a TypeError when passed true
-fails:Array#pack with format 'N' raises a TypeError when passed false
-fails:Array#pack with format 'N' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'N' raises a TypeError when passed a String
-fails:Array#pack with format 'N' raises ArgumentError when the format modifier is '_'
-fails:Array#pack with format 'N' raises ArgumentError when the format modifier is '!'
 fails:Array#pack with format 'N' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'n' ignores whitespace in the format string
 fails:Array#pack with format 'n' calls #to_str to coerce the directives string
 fails:Array#pack with format 'n' taints the output string if the format string is tainted
-fails:Array#pack with format 'n' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'n' raises a TypeError when passed true
-fails:Array#pack with format 'n' raises a TypeError when passed false
-fails:Array#pack with format 'n' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'n' raises a TypeError when passed a String
-fails:Array#pack with format 'n' raises ArgumentError when the format modifier is '_'
-fails:Array#pack with format 'n' raises ArgumentError when the format modifier is '!'
 fails:Array#pack with format 'n' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'N' raises a TypeError when passed nil
-fails:Array#pack with format 'n' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/p_tags.txt b/spec/truffle/tags/core/array/pack/p_tags.txt
@@ -1,8 +1,2 @@
-fails:Array#pack with format 'P' ignores whitespace in the format string
-fails:Array#pack with format 'P' calls #to_str to coerce the directives string
-fails:Array#pack with format 'P' taints the output string if the format string is tainted
 fails:Array#pack with format 'P' returns a String whose size is the number of bytes in a machine word
-fails:Array#pack with format 'p' ignores whitespace in the format string
-fails:Array#pack with format 'p' calls #to_str to coerce the directives string
-fails:Array#pack with format 'p' taints the output string if the format string is tainted
 fails:Array#pack with format 'p' returns a String whose size is the number of bytes in a machine word
diff --git a/spec/truffle/tags/core/array/pack/percent_tags.txt b/spec/truffle/tags/core/array/pack/percent_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/q_tags.txt b/spec/truffle/tags/core/array/pack/q_tags.txt
@@ -1,19 +1,9 @@
 fails:Array#pack with format 'Q' ignores whitespace in the format string
 fails:Array#pack with format 'Q' calls #to_str to coerce the directives string
 fails:Array#pack with format 'Q' taints the output string if the format string is tainted
-fails:Array#pack with format 'Q' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'Q' raises a TypeError when passed true
-fails:Array#pack with format 'Q' raises a TypeError when passed false
-fails:Array#pack with format 'Q' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'Q' raises a TypeError when passed a String
 fails:Array#pack with format 'q' ignores whitespace in the format string
 fails:Array#pack with format 'q' calls #to_str to coerce the directives string
 fails:Array#pack with format 'q' taints the output string if the format string is tainted
-fails:Array#pack with format 'q' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'q' raises a TypeError when passed true
-fails:Array#pack with format 'q' raises a TypeError when passed false
-fails:Array#pack with format 'q' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'q' raises a TypeError when passed a String
 fails:Array#pack with format 'Q' with modifier '<' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'Q' with modifier '<' encodes the number of array elements specified by the count modifier
 fails:Array#pack with format 'Q' with modifier '<' encodes all remaining elements when passed the '*' modifier
@@ -44,5 +34,3 @@ fails:Array#pack with format 'q' encodes the number of array elements specified
 fails:Array#pack with format 'q' encodes all remaining elements when passed the '*' modifier
 fails:Array#pack with format 'q' ignores NULL bytes between directives
 fails:Array#pack with format 'q' ignores spaces between directives
-fails:Array#pack with format 'Q' raises a TypeError when passed nil
-fails:Array#pack with format 'q' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/s_tags.txt b/spec/truffle/tags/core/array/pack/s_tags.txt
@@ -1,19 +1,9 @@
 fails:Array#pack with format 'S' ignores whitespace in the format string
 fails:Array#pack with format 'S' calls #to_str to coerce the directives string
 fails:Array#pack with format 'S' taints the output string if the format string is tainted
-fails:Array#pack with format 'S' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'S' raises a TypeError when passed true
-fails:Array#pack with format 'S' raises a TypeError when passed false
-fails:Array#pack with format 'S' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'S' raises a TypeError when passed a String
 fails:Array#pack with format 's' ignores whitespace in the format string
 fails:Array#pack with format 's' calls #to_str to coerce the directives string
 fails:Array#pack with format 's' taints the output string if the format string is tainted
-fails:Array#pack with format 's' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 's' raises a TypeError when passed true
-fails:Array#pack with format 's' raises a TypeError when passed false
-fails:Array#pack with format 's' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 's' raises a TypeError when passed a String
 fails:Array#pack with format 'S' with modifier '<' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'S' with modifier '<' and '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'S' with modifier '<' and '!' calls #to_int to convert the pack argument to an Integer
@@ -32,5 +22,3 @@ fails:Array#pack with format 'S' with modifier '!' calls #to_int to convert the
 fails:Array#pack with format 's' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 's' with modifier '_' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 's' with modifier '!' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'S' raises a TypeError when passed nil
-fails:Array#pack with format 's' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/u_tags.txt b/spec/truffle/tags/core/array/pack/u_tags.txt
@@ -1,16 +1,8 @@
 fails:Array#pack with format 'U' ignores whitespace in the format string
 fails:Array#pack with format 'U' calls #to_str to coerce the directives string
 fails:Array#pack with format 'U' taints the output string if the format string is tainted
-fails:Array#pack with format 'U' raises an ArgumentError if there are fewer elements than the format requires
 fails:Array#pack with format 'U' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'U' raises a TypeError if #to_int does not return an Integer
 fails:Array#pack with format 'U' raises a RangeError if passed a negative number
 fails:Array#pack with format 'U' raises a RangeError if passed a number larger than an unsigned 32-bit integer
-fails:Array#pack with format 'u' ignores whitespace in the format string
-fails:Array#pack with format 'u' calls #to_str to coerce the directives string
-fails:Array#pack with format 'u' taints the output string if the format string is tainted
-fails:Array#pack with format 'u' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'u' calls #to_str to convert an object to a String
-fails:Array#pack with format 'u' raises a TypeError if #to_str does not return a String
-fails:Array#pack with format 'u' raises a TypeError if passed nil
 fails:Array#pack with format 'u' raises a TypeError if passed an Integer
diff --git a/spec/truffle/tags/core/array/pack/v_tags.txt b/spec/truffle/tags/core/array/pack/v_tags.txt
@@ -1,24 +1,8 @@
 fails:Array#pack with format 'V' ignores whitespace in the format string
 fails:Array#pack with format 'V' calls #to_str to coerce the directives string
 fails:Array#pack with format 'V' taints the output string if the format string is tainted
-fails:Array#pack with format 'V' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'V' raises a TypeError when passed true
-fails:Array#pack with format 'V' raises a TypeError when passed false
-fails:Array#pack with format 'V' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'V' raises a TypeError when passed a String
-fails:Array#pack with format 'V' raises ArgumentError when the format modifier is '_'
-fails:Array#pack with format 'V' raises ArgumentError when the format modifier is '!'
 fails:Array#pack with format 'V' calls #to_int to convert the pack argument to an Integer
 fails:Array#pack with format 'v' ignores whitespace in the format string
 fails:Array#pack with format 'v' calls #to_str to coerce the directives string
 fails:Array#pack with format 'v' taints the output string if the format string is tainted
-fails:Array#pack with format 'v' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'v' raises a TypeError when passed true
-fails:Array#pack with format 'v' raises a TypeError when passed false
-fails:Array#pack with format 'v' raises a TypeError when the object does not respond to #to_int
-fails:Array#pack with format 'v' raises a TypeError when passed a String
-fails:Array#pack with format 'v' raises ArgumentError when the format modifier is '_'
-fails:Array#pack with format 'v' raises ArgumentError when the format modifier is '!'
 fails:Array#pack with format 'v' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'V' raises a TypeError when passed nil
-fails:Array#pack with format 'v' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/w_tags.txt b/spec/truffle/tags/core/array/pack/w_tags.txt
@@ -1,10 +1,5 @@
 fails:Array#pack with format 'w' ignores whitespace in the format string
 fails:Array#pack with format 'w' calls #to_str to coerce the directives string
 fails:Array#pack with format 'w' taints the output string if the format string is tainted
-fails:Array#pack with format 'w' raises an ArgumentError if there are fewer elements than the format requires
-fails:Array#pack with format 'w' raises a TypeError when passed true
-fails:Array#pack with format 'w' raises a TypeError when passed false
 fails:Array#pack with format 'w' encodes a BER-compressed integer
 fails:Array#pack with format 'w' calls #to_int to convert the pack argument to an Integer
-fails:Array#pack with format 'w' raises an ArgumentError when passed a negative value
-fails:Array#pack with format 'w' raises a TypeError when passed nil
diff --git a/spec/truffle/tags/core/array/pack/x_tags.txt b/spec/truffle/tags/core/array/pack/x_tags.txt
diff --git a/spec/truffle/tags/core/array/pack/z_tags.txt b/spec/truffle/tags/core/array/pack/z_tags.txt
diff --git a/spec/truffle/tags/core/string/unpack/a_tags.txt b/spec/truffle/tags/core/string/unpack/a_tags.txt
@@ -1,7 +1,4 @@
-fails:String#unpack with format 'A' ignores whitespace in the format string
 fails:String#unpack with format 'A' calls #to_str to coerce the directives string
-fails:String#unpack with format 'A' raises a TypeError when passed nil
-fails:String#unpack with format 'A' raises a TypeError when passed an Integer
 fails:String#unpack with format 'A' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'A' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'A' returns an empty string if the input is empty
@@ -15,10 +12,7 @@ fails:String#unpack with format 'A' decodes the number of bytes specified by the
 fails:String#unpack with format 'A' decodes past NULL bytes when passed the '*' modifier
 fails:String#unpack with format 'A' removes trailing space and NULL bytes from the decoded string
 fails:String#unpack with format 'A' does not remove whitespace other than space
-fails:String#unpack with format 'a' ignores whitespace in the format string
 fails:String#unpack with format 'a' calls #to_str to coerce the directives string
-fails:String#unpack with format 'a' raises a TypeError when passed nil
-fails:String#unpack with format 'a' raises a TypeError when passed an Integer
 fails:String#unpack with format 'a' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'a' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'a' returns an empty string if the input is empty

diff --git a/spec/truffle/tags/core/string/unpack/at_tags.txt b/spec/truffle/tags/core/string/unpack/at_tags.txt
@@ -1,11 +1,5 @@
-fails:String#unpack with format '@' ignores whitespace in the format string
 fails:String#unpack with format '@' calls #to_str to coerce the directives string
-fails:String#unpack with format '@' raises a TypeError when passed nil
-fails:String#unpack with format '@' raises a TypeError when passed an Integer
 fails:String#unpack with format '@' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format '@' raises an ArgumentError when the format modifier is '!'
-fails:String#unpack with format '@' moves the read index to the byte specified by the count
-fails:String#unpack with format '@' implicitly has a count of zero when count is not specified
-fails:String#unpack with format '@' has no effect when passed the '*' modifier
 fails:String#unpack with format '@' positions the read index one beyond the last readable byte in the String
 fails:String#unpack with format '@' raises an ArgumentError if the count exceeds the size of the String
diff --git a/spec/truffle/tags/core/string/unpack/b_tags.txt b/spec/truffle/tags/core/string/unpack/b_tags.txt
@@ -1,7 +1,4 @@
-fails:String#unpack with format 'B' ignores whitespace in the format string
 fails:String#unpack with format 'B' calls #to_str to coerce the directives string
-fails:String#unpack with format 'B' raises a TypeError when passed nil
-fails:String#unpack with format 'B' raises a TypeError when passed an Integer
 fails:String#unpack with format 'B' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'B' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'B' decodes one bit from each byte for each format character starting with the most significant bit
@@ -14,10 +11,7 @@ fails:String#unpack with format 'B' decodes all the bits when passed the '*' mod
 fails:String#unpack with format 'B' adds an empty string for each element requested beyond the end of the String
 fails:String#unpack with format 'B' ignores NULL bytes between directives
 fails:String#unpack with format 'B' ignores spaces between directives
-fails:String#unpack with format 'b' ignores whitespace in the format string
 fails:String#unpack with format 'b' calls #to_str to coerce the directives string
-fails:String#unpack with format 'b' raises a TypeError when passed nil
-fails:String#unpack with format 'b' raises a TypeError when passed an Integer
 fails:String#unpack with format 'b' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'b' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'b' decodes one bit from each byte for each format character starting with the least significant bit

diff --git a/spec/truffle/tags/core/string/unpack/c_tags.txt b/spec/truffle/tags/core/string/unpack/c_tags.txt
@@ -1,28 +1,4 @@
-fails:String#unpack with format 'C' ignores whitespace in the format string
 fails:String#unpack with format 'C' calls #to_str to coerce the directives string
-fails:String#unpack with format 'C' raises a TypeError when passed nil
-fails:String#unpack with format 'C' raises a TypeError when passed an Integer
-fails:String#unpack with format 'C' decodes one byte for a single format character
-fails:String#unpack with format 'C' decodes two bytes for two format characters
-fails:String#unpack with format 'C' decodes the number of bytes requested by the count modifier
-fails:String#unpack with format 'C' decodes the remaining bytes when passed the '*' modifier
-fails:String#unpack with format 'C' decodes the remaining bytes when passed the '*' modifer after another directive
-fails:String#unpack with format 'C' decodes zero bytes when no bytes remain and the '*' modifier is passed
 fails:String#unpack with format 'C' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'C' ignores NULL bytes between directives
-fails:String#unpack with format 'C' ignores spaces between directives
-fails:String#unpack with format 'C' decodes a byte with most significant bit set as a positive number
-fails:String#unpack with format 'c' ignores whitespace in the format string
 fails:String#unpack with format 'c' calls #to_str to coerce the directives string
-fails:String#unpack with format 'c' raises a TypeError when passed nil
-fails:String#unpack with format 'c' raises a TypeError when passed an Integer
-fails:String#unpack with format 'c' decodes one byte for a single format character
-fails:String#unpack with format 'c' decodes two bytes for two format characters
-fails:String#unpack with format 'c' decodes the number of bytes requested by the count modifier
-fails:String#unpack with format 'c' decodes the remaining bytes when passed the '*' modifier
-fails:String#unpack with format 'c' decodes the remaining bytes when passed the '*' modifer after another directive
-fails:String#unpack with format 'c' decodes zero bytes when no bytes remain and the '*' modifier is passed
 fails:String#unpack with format 'c' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'c' ignores NULL bytes between directives
-fails:String#unpack with format 'c' ignores spaces between directives
-fails:String#unpack with format 'c' decodes a byte with most significant bit set as a negative number
diff --git a/spec/truffle/tags/core/string/unpack/comment_tags.txt b/spec/truffle/tags/core/string/unpack/comment_tags.txt
diff --git a/spec/truffle/tags/core/string/unpack/d_tags.txt b/spec/truffle/tags/core/string/unpack/d_tags.txt
@@ -1,34 +1,6 @@
 fails:String#unpack with format 'D' ignores whitespace in the format string
 fails:String#unpack with format 'D' calls #to_str to coerce the directives string
-fails:String#unpack with format 'D' raises a TypeError when passed nil
-fails:String#unpack with format 'D' raises a TypeError when passed an Integer
-fails:String#unpack with format 'D' decodes one double for a single format character
-fails:String#unpack with format 'D' decodes a negative double
-fails:String#unpack with format 'D' decodes two doubles for two format characters
-fails:String#unpack with format 'D' decodes the number of doubles requested by the count modifier
-fails:String#unpack with format 'D' decodes the remaining doubles when passed the '*' modifier
-fails:String#unpack with format 'D' decodes the remaining doubles when passed the '*' modifier after another directive
-fails:String#unpack with format 'D' does not decode a double when fewer bytes than a double remain and the '*' modifier is passed
 fails:String#unpack with format 'D' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'D' decodes positive Infinity
-fails:String#unpack with format 'D' decodes negative Infinity
-fails:String#unpack with format 'D' decodes NaN
-fails:String#unpack with format 'D' ignores NULL bytes between directives
-fails:String#unpack with format 'D' ignores spaces between directives
 fails:String#unpack with format 'd' ignores whitespace in the format string
 fails:String#unpack with format 'd' calls #to_str to coerce the directives string
-fails:String#unpack with format 'd' raises a TypeError when passed nil
-fails:String#unpack with format 'd' raises a TypeError when passed an Integer
-fails:String#unpack with format 'd' decodes one double for a single format character
-fails:String#unpack with format 'd' decodes a negative double
-fails:String#unpack with format 'd' decodes two doubles for two format characters
-fails:String#unpack with format 'd' decodes the number of doubles requested by the count modifier
-fails:String#unpack with format 'd' decodes the remaining doubles when passed the '*' modifier
-fails:String#unpack with format 'd' decodes the remaining doubles when passed the '*' modifier after another directive
-fails:String#unpack with format 'd' does not decode a double when fewer bytes than a double remain and the '*' modifier is passed
 fails:String#unpack with format 'd' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'd' decodes positive Infinity
-fails:String#unpack with format 'd' decodes negative Infinity
-fails:String#unpack with format 'd' decodes NaN
-fails:String#unpack with format 'd' ignores NULL bytes between directives
-fails:String#unpack with format 'd' ignores spaces between directives
diff --git a/spec/truffle/tags/core/string/unpack/e_tags.txt b/spec/truffle/tags/core/string/unpack/e_tags.txt
@@ -1,34 +1,6 @@
 fails:String#unpack with format 'E' ignores whitespace in the format string
 fails:String#unpack with format 'E' calls #to_str to coerce the directives string
-fails:String#unpack with format 'E' raises a TypeError when passed nil
-fails:String#unpack with format 'E' raises a TypeError when passed an Integer
-fails:String#unpack with format 'E' decodes one double for a single format character
-fails:String#unpack with format 'E' decodes a negative double
-fails:String#unpack with format 'E' decodes two doubles for two format characters
-fails:String#unpack with format 'E' decodes the number of doubles requested by the count modifier
-fails:String#unpack with format 'E' decodes the remaining doubles when passed the '*' modifier
-fails:String#unpack with format 'E' decodes the remaining doubles when passed the '*' modifier after another directive
-fails:String#unpack with format 'E' does not decode a double when fewer bytes than a double remain and the '*' modifier is passed
 fails:String#unpack with format 'E' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'E' decodes positive Infinity
-fails:String#unpack with format 'E' decodes negative Infinity
-fails:String#unpack with format 'E' decodes NaN
-fails:String#unpack with format 'E' ignores NULL bytes between directives
-fails:String#unpack with format 'E' ignores spaces between directives
 fails:String#unpack with format 'e' ignores whitespace in the format string
 fails:String#unpack with format 'e' calls #to_str to coerce the directives string
-fails:String#unpack with format 'e' raises a TypeError when passed nil
-fails:String#unpack with format 'e' raises a TypeError when passed an Integer
-fails:String#unpack with format 'e' decodes one float for a single format character
-fails:String#unpack with format 'e' decodes a negative float
-fails:String#unpack with format 'e' decodes two floats for two format characters
-fails:String#unpack with format 'e' decodes the number of floats requested by the count modifier
-fails:String#unpack with format 'e' decodes the remaining floats when passed the '*' modifier
-fails:String#unpack with format 'e' decodes the remaining floats when passed the '*' modifier after another directive
-fails:String#unpack with format 'e' does not decode a float when fewer bytes than a float remain and the '*' modifier is passed
 fails:String#unpack with format 'e' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'e' decodes positive Infinity
-fails:String#unpack with format 'e' decodes negative Infinity
-fails:String#unpack with format 'e' decodes NaN
-fails:String#unpack with format 'e' ignores NULL bytes between directives
-fails:String#unpack with format 'e' ignores spaces between directives
diff --git a/spec/truffle/tags/core/string/unpack/f_tags.txt b/spec/truffle/tags/core/string/unpack/f_tags.txt
@@ -1,34 +1,6 @@
 fails:String#unpack with format 'F' ignores whitespace in the format string
 fails:String#unpack with format 'F' calls #to_str to coerce the directives string
-fails:String#unpack with format 'F' raises a TypeError when passed nil
-fails:String#unpack with format 'F' raises a TypeError when passed an Integer
-fails:String#unpack with format 'F' decodes one float for a single format character
-fails:String#unpack with format 'F' decodes a negative float
-fails:String#unpack with format 'F' decodes two floats for two format characters
-fails:String#unpack with format 'F' decodes the number of floats requested by the count modifier
-fails:String#unpack with format 'F' decodes the remaining floats when passed the '*' modifier
-fails:String#unpack with format 'F' decodes the remaining floats when passed the '*' modifier after another directive
-fails:String#unpack with format 'F' does not decode a float when fewer bytes than a float remain and the '*' modifier is passed
 fails:String#unpack with format 'F' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'F' decodes positive Infinity
-fails:String#unpack with format 'F' decodes negative Infinity
-fails:String#unpack with format 'F' decodes NaN
-fails:String#unpack with format 'F' ignores NULL bytes between directives
-fails:String#unpack with format 'F' ignores spaces between directives
 fails:String#unpack with format 'f' ignores whitespace in the format string
 fails:String#unpack with format 'f' calls #to_str to coerce the directives string
-fails:String#unpack with format 'f' raises a TypeError when passed nil
-fails:String#unpack with format 'f' raises a TypeError when passed an Integer
-fails:String#unpack with format 'f' decodes one float for a single format character
-fails:String#unpack with format 'f' decodes a negative float
-fails:String#unpack with format 'f' decodes two floats for two format characters
-fails:String#unpack with format 'f' decodes the number of floats requested by the count modifier
-fails:String#unpack with format 'f' decodes the remaining floats when passed the '*' modifier
-fails:String#unpack with format 'f' decodes the remaining floats when passed the '*' modifier after another directive
-fails:String#unpack with format 'f' does not decode a float when fewer bytes than a float remain and the '*' modifier is passed
 fails:String#unpack with format 'f' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'f' decodes positive Infinity
-fails:String#unpack with format 'f' decodes negative Infinity
-fails:String#unpack with format 'f' decodes NaN
-fails:String#unpack with format 'f' ignores NULL bytes between directives
-fails:String#unpack with format 'f' ignores spaces between directives
diff --git a/spec/truffle/tags/core/string/unpack/g_tags.txt b/spec/truffle/tags/core/string/unpack/g_tags.txt
@@ -1,34 +1,6 @@
 fails:String#unpack with format 'G' ignores whitespace in the format string
 fails:String#unpack with format 'G' calls #to_str to coerce the directives string
-fails:String#unpack with format 'G' raises a TypeError when passed nil
-fails:String#unpack with format 'G' raises a TypeError when passed an Integer
-fails:String#unpack with format 'G' decodes one double for a single format character
-fails:String#unpack with format 'G' decodes a negative double
-fails:String#unpack with format 'G' decodes two doubles for two format characters
-fails:String#unpack with format 'G' decodes the number of doubles requested by the count modifier
-fails:String#unpack with format 'G' decodes the remaining doubles when passed the '*' modifier
-fails:String#unpack with format 'G' decodes the remaining doubles when passed the '*' modifier after another directive
-fails:String#unpack with format 'G' does not decode a double when fewer bytes than a double remain and the '*' modifier is passed
 fails:String#unpack with format 'G' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'G' decodes positive Infinity
-fails:String#unpack with format 'G' decodes negative Infinity
-fails:String#unpack with format 'G' decodes NaN
-fails:String#unpack with format 'G' ignores NULL bytes between directives
-fails:String#unpack with format 'G' ignores spaces between directives
 fails:String#unpack with format 'g' ignores whitespace in the format string
 fails:String#unpack with format 'g' calls #to_str to coerce the directives string
-fails:String#unpack with format 'g' raises a TypeError when passed nil
-fails:String#unpack with format 'g' raises a TypeError when passed an Integer
-fails:String#unpack with format 'g' decodes one float for a single format character
-fails:String#unpack with format 'g' decodes a negative float
-fails:String#unpack with format 'g' decodes two floats for two format characters
-fails:String#unpack with format 'g' decodes the number of floats requested by the count modifier
-fails:String#unpack with format 'g' decodes the remaining floats when passed the '*' modifier
-fails:String#unpack with format 'g' decodes the remaining floats when passed the '*' modifier after another directive
-fails:String#unpack with format 'g' does not decode a float when fewer bytes than a float remain and the '*' modifier is passed
 fails:String#unpack with format 'g' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'g' decodes positive Infinity
-fails:String#unpack with format 'g' decodes negative Infinity
-fails:String#unpack with format 'g' decodes NaN
-fails:String#unpack with format 'g' ignores NULL bytes between directives
-fails:String#unpack with format 'g' ignores spaces between directives
diff --git a/spec/truffle/tags/core/string/unpack/h_tags.txt b/spec/truffle/tags/core/string/unpack/h_tags.txt
@@ -1,7 +1,4 @@
-fails:String#unpack with format 'H' ignores whitespace in the format string
 fails:String#unpack with format 'H' calls #to_str to coerce the directives string
-fails:String#unpack with format 'H' raises a TypeError when passed nil
-fails:String#unpack with format 'H' raises a TypeError when passed an Integer
 fails:String#unpack with format 'H' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'H' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'H' decodes one nibble from each byte for each format character starting with the most significant bit
@@ -14,10 +11,7 @@ fails:String#unpack with format 'H' decodes all the nibbles when passed the '*'
 fails:String#unpack with format 'H' adds an empty string for each element requested beyond the end of the String
 fails:String#unpack with format 'H' ignores NULL bytes between directives
 fails:String#unpack with format 'H' ignores spaces between directives
-fails:String#unpack with format 'h' ignores whitespace in the format string
 fails:String#unpack with format 'h' calls #to_str to coerce the directives string
-fails:String#unpack with format 'h' raises a TypeError when passed nil
-fails:String#unpack with format 'h' raises a TypeError when passed an Integer
 fails:String#unpack with format 'h' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'h' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'h' decodes one nibble from each byte for each format character starting with the least significant bit

diff --git a/spec/truffle/tags/core/string/unpack/i_tags.txt b/spec/truffle/tags/core/string/unpack/i_tags.txt
diff --git a/spec/truffle/tags/core/string/unpack/l_tags.txt b/spec/truffle/tags/core/string/unpack/l_tags.txt
diff --git a/spec/truffle/tags/core/string/unpack/m_tags.txt b/spec/truffle/tags/core/string/unpack/m_tags.txt
@@ -1,7 +1,4 @@
-fails:String#unpack with format 'M' ignores whitespace in the format string
 fails:String#unpack with format 'M' calls #to_str to coerce the directives string
-fails:String#unpack with format 'M' raises a TypeError when passed nil
-fails:String#unpack with format 'M' raises a TypeError when passed an Integer
 fails:String#unpack with format 'M' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'M' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'M' decodes an empty string
@@ -18,10 +15,7 @@ fails:String#unpack with format 'M' decodes pre-encoded byte values 33..60
 fails:String#unpack with format 'M' decodes pre-encoded byte values 62..126
 fails:String#unpack with format 'M' decodes pre-encoded byte values 0..31 except tab and newline
 fails:String#unpack with format 'M' decodes pre-encoded byte values 127..255
-fails:String#unpack with format 'm' ignores whitespace in the format string
 fails:String#unpack with format 'm' calls #to_str to coerce the directives string
-fails:String#unpack with format 'm' raises a TypeError when passed nil
-fails:String#unpack with format 'm' raises a TypeError when passed an Integer
 fails:String#unpack with format 'm' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'm' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'm' decodes an empty string

diff --git a/spec/truffle/tags/core/string/unpack/n_tags.txt b/spec/truffle/tags/core/string/unpack/n_tags.txt
@@ -1,32 +1,9 @@
 fails:String#unpack with format 'N' ignores whitespace in the format string
 fails:String#unpack with format 'N' calls #to_str to coerce the directives string
-fails:String#unpack with format 'N' raises a TypeError when passed nil
-fails:String#unpack with format 'N' raises a TypeError when passed an Integer
-fails:String#unpack with format 'N' decodes one int for a single format character
-fails:String#unpack with format 'N' decodes two ints for two format characters
-fails:String#unpack with format 'N' decodes the number of ints requested by the count modifier
-fails:String#unpack with format 'N' decodes the remaining ints when passed the '*' modifier
-fails:String#unpack with format 'N' decodes the remaining ints when passed the '*' modifier after another directive
-fails:String#unpack with format 'N' does not decode an int when fewer bytes than an int remain and the '*' modifier is passed
 fails:String#unpack with format 'N' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'N' ignores NULL bytes between directives
-fails:String#unpack with format 'N' ignores spaces between directives
-fails:String#unpack with format 'N' decodes an int with most significant bit set as a positive number
 fails:String#unpack with format 'N' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'N' raises an ArgumentError when the format modifier is '!'
-fails:String#unpack with format 'n' ignores whitespace in the format string
 fails:String#unpack with format 'n' calls #to_str to coerce the directives string
-fails:String#unpack with format 'n' raises a TypeError when passed nil
-fails:String#unpack with format 'n' raises a TypeError when passed an Integer
-fails:String#unpack with format 'n' decodes one short for a single format character
-fails:String#unpack with format 'n' decodes two shorts for two format characters
-fails:String#unpack with format 'n' decodes the number of shorts requested by the count modifier
-fails:String#unpack with format 'n' decodes the remaining shorts when passed the '*' modifier
-fails:String#unpack with format 'n' decodes the remaining shorts when passed the '*' modifier after another directive
-fails:String#unpack with format 'n' does not decode a short when fewer bytes than a short remain and the '*' modifier is passed
 fails:String#unpack with format 'n' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'n' ignores NULL bytes between directives
-fails:String#unpack with format 'n' ignores spaces between directives
-fails:String#unpack with format 'n' decodes a short with most significant bit set as a positive number
 fails:String#unpack with format 'n' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'n' raises an ArgumentError when the format modifier is '!'
diff --git a/spec/truffle/tags/core/string/unpack/p_tags.txt b/spec/truffle/tags/core/string/unpack/p_tags.txt
@@ -1,10 +1,2 @@
-fails:String#unpack with format 'P' ignores whitespace in the format string
 fails:String#unpack with format 'P' calls #to_str to coerce the directives string
-fails:String#unpack with format 'P' raises a TypeError when passed nil
-fails:String#unpack with format 'P' raises a TypeError when passed an Integer
-fails:String#unpack with format 'P' returns a random object after consuming a size-of a machine word bytes
-fails:String#unpack with format 'p' ignores whitespace in the format string
 fails:String#unpack with format 'p' calls #to_str to coerce the directives string
-fails:String#unpack with format 'p' raises a TypeError when passed nil
-fails:String#unpack with format 'p' raises a TypeError when passed an Integer
-fails:String#unpack with format 'p' returns a random object after consuming a size-of a machine word bytes
diff --git a/spec/truffle/tags/core/string/unpack/q_tags.txt b/spec/truffle/tags/core/string/unpack/q_tags.txt
@@ -1,64 +1,9 @@
-fails:String#unpack with format 'Q' with modifier '<' decodes one long for a single format character
-fails:String#unpack with format 'Q' with modifier '<' decodes two longs for two format characters
-fails:String#unpack with format 'Q' with modifier '<' decodes the number of longs requested by the count modifier
-fails:String#unpack with format 'Q' with modifier '<' decodes the remaining longs when passed the '*' modifier
-fails:String#unpack with format 'Q' with modifier '<' decodes the remaining longs when passed the '*' modifier after another directive
-fails:String#unpack with format 'Q' with modifier '<' does not decode a long when fewer bytes than a long remain and the '*' modifier is passed
-fails:String#unpack with format 'Q' with modifier '<' ignores NULL bytes between directives
-fails:String#unpack with format 'Q' with modifier '<' ignores spaces between directives
 fails:String#unpack with format 'Q' with modifier '<' decodes a long with most significant bit set as a positive number
-fails:String#unpack with format 'Q' with modifier '>' decodes one long for a single format character
-fails:String#unpack with format 'Q' with modifier '>' decodes two longs for two format characters
-fails:String#unpack with format 'Q' with modifier '>' decodes the number of longs requested by the count modifier
-fails:String#unpack with format 'Q' with modifier '>' decodes the remaining longs when passed the '*' modifier
-fails:String#unpack with format 'Q' with modifier '>' decodes the remaining longs when passed the '*' modifier after another directive
-fails:String#unpack with format 'Q' with modifier '>' does not decode a long when fewer bytes than a long remain and the '*' modifier is passed
-fails:String#unpack with format 'Q' with modifier '>' ignores NULL bytes between directives
-fails:String#unpack with format 'Q' with modifier '>' ignores spaces between directives
 fails:String#unpack with format 'Q' with modifier '>' decodes a long with most significant bit set as a positive number
-fails:String#unpack with format 'q' with modifier '<' decodes one long for a single format character
-fails:String#unpack with format 'q' with modifier '<' decodes two longs for two format characters
-fails:String#unpack with format 'q' with modifier '<' decodes the number of longs requested by the count modifier
-fails:String#unpack with format 'q' with modifier '<' decodes the remaining longs when passed the '*' modifier
-fails:String#unpack with format 'q' with modifier '<' decodes the remaining longs when passed the '*' modifier after another directive
-fails:String#unpack with format 'q' with modifier '<' does not decode a long when fewer bytes than a long remain and the '*' modifier is passed
-fails:String#unpack with format 'q' with modifier '<' ignores NULL bytes between directives
-fails:String#unpack with format 'q' with modifier '<' ignores spaces between directives
-fails:String#unpack with format 'q' with modifier '<' decodes a long with most significant bit set as a negative number
-fails:String#unpack with format 'q' with modifier '>' decodes one long for a single format character
-fails:String#unpack with format 'q' with modifier '>' decodes two longs for two format characters
-fails:String#unpack with format 'q' with modifier '>' decodes the number of longs requested by the count modifier
-fails:String#unpack with format 'q' with modifier '>' decodes the remaining longs when passed the '*' modifier
-fails:String#unpack with format 'q' with modifier '>' decodes the remaining longs when passed the '*' modifier after another directive
-fails:String#unpack with format 'q' with modifier '>' does not decode a long when fewer bytes than a long remain and the '*' modifier is passed
-fails:String#unpack with format 'q' with modifier '>' ignores NULL bytes between directives
-fails:String#unpack with format 'q' with modifier '>' ignores spaces between directives
-fails:String#unpack with format 'q' with modifier '>' decodes a long with most significant bit set as a negative number
 fails:String#unpack with format 'Q' ignores whitespace in the format string
 fails:String#unpack with format 'Q' calls #to_str to coerce the directives string
-fails:String#unpack with format 'Q' raises a TypeError when passed nil
-fails:String#unpack with format 'Q' raises a TypeError when passed an Integer
 fails:String#unpack with format 'q' ignores whitespace in the format string
 fails:String#unpack with format 'q' calls #to_str to coerce the directives string
-fails:String#unpack with format 'q' raises a TypeError when passed nil
-fails:String#unpack with format 'q' raises a TypeError when passed an Integer
-fails:String#unpack with format 'Q' decodes one long for a single format character
-fails:String#unpack with format 'Q' decodes two longs for two format characters
-fails:String#unpack with format 'Q' decodes the number of longs requested by the count modifier
-fails:String#unpack with format 'Q' decodes the remaining longs when passed the '*' modifier
-fails:String#unpack with format 'Q' decodes the remaining longs when passed the '*' modifier after another directive
-fails:String#unpack with format 'Q' does not decode a long when fewer bytes than a long remain and the '*' modifier is passed
-fails:String#unpack with format 'Q' ignores NULL bytes between directives
-fails:String#unpack with format 'Q' ignores spaces between directives
 fails:String#unpack with format 'Q' adds nil for each element requested beyond the end of the String
 fails:String#unpack with format 'Q' decodes a long with most significant bit set as a positive number
-fails:String#unpack with format 'q' decodes one long for a single format character
-fails:String#unpack with format 'q' decodes two longs for two format characters
-fails:String#unpack with format 'q' decodes the number of longs requested by the count modifier
-fails:String#unpack with format 'q' decodes the remaining longs when passed the '*' modifier
-fails:String#unpack with format 'q' decodes the remaining longs when passed the '*' modifier after another directive
-fails:String#unpack with format 'q' does not decode a long when fewer bytes than a long remain and the '*' modifier is passed
-fails:String#unpack with format 'q' ignores NULL bytes between directives
-fails:String#unpack with format 'q' ignores spaces between directives
 fails:String#unpack with format 'q' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'q' decodes a long with most significant bit set as a negative number
diff --git a/spec/truffle/tags/core/string/unpack/s_tags.txt b/spec/truffle/tags/core/string/unpack/s_tags.txt
diff --git a/spec/truffle/tags/core/string/unpack/u_tags.txt b/spec/truffle/tags/core/string/unpack/u_tags.txt
@@ -1,22 +1,7 @@
-fails:String#unpack with format 'U' ignores whitespace in the format string
 fails:String#unpack with format 'U' calls #to_str to coerce the directives string
-fails:String#unpack with format 'U' raises a TypeError when passed nil
-fails:String#unpack with format 'U' raises a TypeError when passed an Integer
 fails:String#unpack with format 'U' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'U' raises an ArgumentError when the format modifier is '!'
-fails:String#unpack with format 'U' decodes Unicode codepoints as ASCII values
-fails:String#unpack with format 'U' decodes the number of characters specified by the count modifier
-fails:String#unpack with format 'U' implicitly has a count of one when no count modifier is passed
-fails:String#unpack with format 'U' decodes all remaining characters when passed the '*' modifier
-fails:String#unpack with format 'U' decodes UTF-8 BMP codepoints
-fails:String#unpack with format 'U' decodes UTF-8 max codepoints
-fails:String#unpack with format 'U' does not decode any items for directives exceeding the input string size
-fails:String#unpack with format 'U' ignores NULL bytes between directives
-fails:String#unpack with format 'U' ignores spaces between directives
-fails:String#unpack with format 'u' ignores whitespace in the format string
 fails:String#unpack with format 'u' calls #to_str to coerce the directives string
-fails:String#unpack with format 'u' raises a TypeError when passed nil
-fails:String#unpack with format 'u' raises a TypeError when passed an Integer
 fails:String#unpack with format 'u' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'u' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'u' decodes an empty string as an empty string

diff --git a/spec/truffle/tags/core/string/unpack/v_tags.txt b/spec/truffle/tags/core/string/unpack/v_tags.txt
@@ -1,32 +1,9 @@
 fails:String#unpack with format 'V' ignores whitespace in the format string
 fails:String#unpack with format 'V' calls #to_str to coerce the directives string
-fails:String#unpack with format 'V' raises a TypeError when passed nil
-fails:String#unpack with format 'V' raises a TypeError when passed an Integer
-fails:String#unpack with format 'V' decodes one int for a single format character
-fails:String#unpack with format 'V' decodes two ints for two format characters
-fails:String#unpack with format 'V' decodes the number of ints requested by the count modifier
-fails:String#unpack with format 'V' decodes the remaining ints when passed the '*' modifier
-fails:String#unpack with format 'V' decodes the remaining ints when passed the '*' modifier after another directive
-fails:String#unpack with format 'V' does not decode an int when fewer bytes than an int remain and the '*' modifier is passed
 fails:String#unpack with format 'V' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'V' ignores NULL bytes between directives
-fails:String#unpack with format 'V' ignores spaces between directives
-fails:String#unpack with format 'V' decodes an int with most significant bit set as a positive number
 fails:String#unpack with format 'V' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'V' raises an ArgumentError when the format modifier is '!'
-fails:String#unpack with format 'v' ignores whitespace in the format string
 fails:String#unpack with format 'v' calls #to_str to coerce the directives string
-fails:String#unpack with format 'v' raises a TypeError when passed nil
-fails:String#unpack with format 'v' raises a TypeError when passed an Integer
-fails:String#unpack with format 'v' decodes one short for a single format character
-fails:String#unpack with format 'v' decodes two shorts for two format characters
-fails:String#unpack with format 'v' decodes the number of shorts requested by the count modifier
-fails:String#unpack with format 'v' decodes the remaining shorts when passed the '*' modifier
-fails:String#unpack with format 'v' decodes the remaining shorts when passed the '*' modifier after another directive
-fails:String#unpack with format 'v' does not decode a short when fewer bytes than a short remain and the '*' modifier is passed
 fails:String#unpack with format 'v' adds nil for each element requested beyond the end of the String
-fails:String#unpack with format 'v' ignores NULL bytes between directives
-fails:String#unpack with format 'v' ignores spaces between directives
-fails:String#unpack with format 'v' decodes a short with most significant bit set as a positive number
 fails:String#unpack with format 'v' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'v' raises an ArgumentError when the format modifier is '!'
diff --git a/spec/truffle/tags/core/string/unpack/w_tags.txt b/spec/truffle/tags/core/string/unpack/w_tags.txt
@@ -1,9 +1,4 @@
-fails:String#unpack with directive 'w' ignores whitespace in the format string
 fails:String#unpack with directive 'w' calls #to_str to coerce the directives string
-fails:String#unpack with directive 'w' raises a TypeError when passed nil
-fails:String#unpack with directive 'w' raises a TypeError when passed an Integer
 fails:String#unpack with directive 'w' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with directive 'w' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with directive 'w' decodes a BER-compressed integer
-fails:String#unpack with directive 'w' ignores NULL bytes between directives
-fails:String#unpack with directive 'w' ignores spaces between directives
diff --git a/spec/truffle/tags/core/string/unpack/x_tags.txt b/spec/truffle/tags/core/string/unpack/x_tags.txt
@@ -1,24 +1,11 @@
-fails:String#unpack with format 'X' ignores whitespace in the format string
 fails:String#unpack with format 'X' calls #to_str to coerce the directives string
-fails:String#unpack with format 'X' raises a TypeError when passed nil
-fails:String#unpack with format 'X' raises a TypeError when passed an Integer
 fails:String#unpack with format 'X' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'X' raises an ArgumentError when the format modifier is '!'
-fails:String#unpack with format 'X' moves the read index back by the number of bytes specified by count
-fails:String#unpack with format 'X' does not change the read index when passed a count of zero
-fails:String#unpack with format 'X' implicitly has a count of one when count is not specified
-fails:String#unpack with format 'X' moves the read index back by the remaining bytes when passed the '*' modifier
 fails:String#unpack with format 'X' raises an ArgumentError when passed the '*' modifier if the remaining bytes exceed the bytes from the index to the start of the String
 fails:String#unpack with format 'X' raises an ArgumentError if the count exceeds the bytes from current index to the start of the String
-fails:String#unpack with format 'x' ignores whitespace in the format string
 fails:String#unpack with format 'x' calls #to_str to coerce the directives string
-fails:String#unpack with format 'x' raises a TypeError when passed nil
-fails:String#unpack with format 'x' raises a TypeError when passed an Integer
 fails:String#unpack with format 'x' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'x' raises an ArgumentError when the format modifier is '!'
-fails:String#unpack with format 'x' moves the read index forward by the number of bytes specified by count
-fails:String#unpack with format 'x' implicitly has a count of one when count is not specified
-fails:String#unpack with format 'x' does not change the read index when passed a count of zero
 fails:String#unpack with format 'x' moves the read index to the end of the string when passed the '*' modifier
 fails:String#unpack with format 'x' positions the read index one beyond the last readable byte in the String
 fails:String#unpack with format 'x' raises an ArgumentError if the count exceeds the size of the String
diff --git a/spec/truffle/tags/core/string/unpack/z_tags.txt b/spec/truffle/tags/core/string/unpack/z_tags.txt
@@ -1,7 +1,4 @@
-fails:String#unpack with format 'Z' ignores whitespace in the format string
 fails:String#unpack with format 'Z' calls #to_str to coerce the directives string
-fails:String#unpack with format 'Z' raises a TypeError when passed nil
-fails:String#unpack with format 'Z' raises a TypeError when passed an Integer
 fails:String#unpack with format 'Z' raises an ArgumentError when the format modifier is '_'
 fails:String#unpack with format 'Z' raises an ArgumentError when the format modifier is '!'
 fails:String#unpack with format 'Z' returns an empty string if the input is empty

diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/ArrayNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/ArrayNodes.java
@@ -1985,7 +1985,7 @@ public RubyString pack(VirtualFrame frame, RubyArray array, RubyString format) {
                     } else if (result instanceof RubyString) {
                         jrubyObjects[n] = getContext().toJRuby((RubyString) result);
                     } else {
-                        throw new UnsupportedOperationException();
+                        throw new RaiseException(getContext().getCoreLibrary().typeErrorNoImplicitConversion(objects[n], "String", this));
                     }
                 }
             }

diff --git a/truffle/src/main/java/org/jruby/truffle/runtime/RubyContext.java b/truffle/src/main/java/org/jruby/truffle/runtime/RubyContext.java
@@ -402,6 +402,8 @@ public RubyException toTruffle(org.jruby.RubyException jrubyException, RubyNode
         switch (jrubyException.getMetaClass().getName()) {
             case "ArgumentError":
                 return getCoreLibrary().argumentError(jrubyException.getMessage().toString(), currentNode);
+            case "TypeError":
+                return getCoreLibrary().typeError(jrubyException.getMessage().toString(), currentNode);
         }
 
         throw new UnsupportedOperationException("Don't know how to translate " + jrubyException.getMetaClass().getName());

diff --git a/truffle/src/main/java/org/jruby/truffle/runtime/control/RaiseException.java b/truffle/src/main/java/org/jruby/truffle/runtime/control/RaiseException.java
@@ -19,6 +19,8 @@
  */
 public class RaiseException extends RuntimeException {
 
+    // TODO CS 1-Mar-15 shouldn't this be a ControlFlowException?
+
     private transient final RubyException rubyException;
 
     public RaiseException(RubyException rubyException) {