Make Array#fetch exceptions compliant

meh · meh · commit 6639f14a8ad8 · 2013-11-08T18:16:49.000+01:00
diff --git a/opal/core/array.rb b/opal/core/array.rb
@@ -592,7 +592,12 @@ def fetch(index, defaults = undefined, &block)
         return defaults;
       }
 
-      #{ raise IndexError, "Array#fetch" };
+      if (self.length === 0) {
+        #{raise IndexError, "index #{`original`} outside of array bounds: 0...0"}
+      }
+      else {
+        #{raise IndexError, "index #{`original`} outside of array bounds: -#{`self.length`}...#{`self.length`}"};
+      }
     }
   end
 

Original file line number	Diff line number	Diff line change
`@@ -592,7 +592,12 @@ def fetch(index, defaults = undefined, &block)`
`592`	`592`	`return defaults;`
`593`	`593`	`}`
`594`	`594`
`595`		`- #{ raise IndexError, "Array#fetch" };`
	`595`	`+ if (self.length === 0) {`
	`596`	+ #{raise IndexError, "index #{`original`} outside of array bounds: 0...0"}
	`597`	`+ }`
	`598`	`+ else {`
	`599`	+ #{raise IndexError, "index #{`original`} outside of array bounds: -#{`self.length`}...#{`self.length`}"};
	`600`	`+ }`
`596`	`601`	`}`
`597`	`602`	`end`
`598`	`603`