jruby · May 20, 2015 · May 20, 2015 · May 20, 2015
diff --git a/spec/tags/ruby/core/argf/gets_tags.txt b/spec/tags/ruby/core/argf/gets_tags.txt
@@ -4,3 +4,4 @@ fails:ARGF.gets reads all lines of two files
 fails:ARGF.gets sets $_ global variable with each line read
 fails:ARGF.gets returns nil when reaching end of files
 fails:ARGF.gets reads the contents of the file with default encoding
+slow:ARGF.gets reads all lines of stdin
diff --git a/spec/tags/ruby/core/argf/read_tags.txt b/spec/tags/ruby/core/argf/read_tags.txt
@@ -10,3 +10,6 @@ fails:ARGF.read reads across two files consecutively
 fails:ARGF.read reads the contents of the same file twice
 fails:ARGF.read reads the contents of a special device file
 fails:ARGF.read reads the contents of the file with default encoding
+slow:ARGF.read reads the contents of stdin
+slow:ARGF.read reads a number of bytes from stdin
+slow:ARGF.read reads the contents of one file and stdin
diff --git a/spec/tags/ruby/core/argf/readlines_tags.txt b/spec/tags/ruby/core/argf/readlines_tags.txt
@@ -1,2 +1,3 @@
 fails:ARGF.readlines reads all lines of all files
 fails:ARGF.readlines returns an empty Array when end of stream reached
+slow:ARGF.readline reads all lines of stdin
diff --git a/spec/truffle/tags/core/argf/gets_tags.txt b/spec/truffle/tags/core/argf/gets_tags.txt
@@ -1,3 +1,4 @@
 fails:ARGF.gets sets $_ global variable with each line read
 fails:ARGF.gets modifies the files when in place edit mode is on
 fails:ARGF.gets modifies and backups two files when in place edit mode is on
+slow:ARGF.gets reads all lines of stdin
diff --git a/spec/truffle/tags/core/argf/read_tags.txt b/spec/truffle/tags/core/argf/read_tags.txt
@@ -0,0 +1,3 @@
+slow:ARGF.read reads the contents of stdin
+slow:ARGF.read reads a number of bytes from stdin
+slow:ARGF.read reads the contents of one file and stdin
diff --git a/spec/truffle/tags/core/argf/readline_tags.txt b/spec/truffle/tags/core/argf/readline_tags.txt
@@ -1,3 +1,4 @@
 fails:ARGF.readline sets $_ global variable with each line read
 fails:ARGF.readline modifies the files when in place edit mode is on
 fails:ARGF.readline modifies and backups two files when in place edit mode is on
+slow:ARGF.readline reads all lines of stdin
diff --git a/spec/truffle/tags/truffle/primitive/gc_count_tags.txt b/spec/truffle/tags/truffle/primitive/gc_count_tags.txt
@@ -0,0 +1 @@
+slow:Truffle::Primitive.gc_count increases as collections are run
diff --git a/spec/truffle/tags/truffle/primitive/gc_time_tags.txt b/spec/truffle/tags/truffle/primitive/gc_time_tags.txt
@@ -0,0 +1 @@
+slow:Truffle::Primitive.gc_time increases as collections are run
diff --git a/spec/truffle/truffle.mspec b/spec/truffle/truffle.mspec
@@ -179,5 +179,34 @@ class MSpecScript
   MSpec.enable_feature :generator
 
   set :files, get(:language) + get(:core) + get(:library) + get(:truffle)
+end
+
+if respond_to?(:ruby_exe)
+  class SlowSpecsTagger
+    def initialize
+      MSpec.register :exception, self
+    end
+
+    def exception(state)
+      if state.exception.is_a? SlowSpecException
+        tag = SpecTag.new("slow:#{state.describe} #{state.it}")
+        MSpec.write_tag(tag)
+      end
+    end
+  end
+
+  class SlowSpecException < Exception
+  end
+
+  class ::Object
+    alias old_ruby_exe ruby_exe
+    def ruby_exe(*args, &block)
+      if (MSpecScript.get(:xtags) || []).include? 'slow'
+        raise SlowSpecException, "Was tagged as slow as it uses ruby_exe(). Rerun specs."
+      end
+      old_ruby_exe(*args, &block)
+    end
+  end
 
+  SlowSpecsTagger.new
 end
diff --git a/tool/jt.rb b/tool/jt.rb
@@ -271,18 +271,18 @@ def test(*args)
     return test_pe(*args.drop(1)) if args.first == 'pe'
     return test_mri(*args.drop(1)) if args.first == 'mri'
     return test_specs(*args.drop(1)) if args.first == 'specs'
-    return test_specs(*args) if args.first == 'fast'
 
-    if args.size > 0
-      if args.first.start_with?('spec')
-        return test_specs(*args)
+    if args.empty?
+      test_specs(*args)
+      test_mri(*args)
+    else
+      path = args.first
+      if File.expand_path(path).start_with?("#{JRUBY_DIR}/test")
+        test_mri(*args)
       else
-        return test_mri(*args)
+        test_specs(*args)
       end
     end
-
-    test_specs(*args)
-    test_mri(*args)
   end
 
   def test_pe(*args)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		slow:Truffle::Primitive.gc_count increases as collections are run
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		slow:Truffle::Primitive.gc_time increases as collections are run