diff options
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_optimization.rb | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb index 7c8990fde8..2de1db340f 100644 --- a/test/ruby/test_optimization.rb +++ b/test/ruby/test_optimization.rb @@ -495,4 +495,19 @@ EOS bug11816 = '[ruby-core:74993] [Bug #11816]' assert_ruby_status([], 'nil&.foo &&= false', bug11816) end + + def test_peephole_string_literal_range + code = <<-EOF + case ver + when "2.0.0".."2.3.2" then :foo + when "1.8.0"..."1.8.8" then :bar + end + EOF + iseq = RubyVM::InstructionSequence.compile(code) + insn = iseq.disasm + assert_match %r{putobject\s+#{Regexp.quote('"1.8.0"..."1.8.8"')}}, insn + assert_match %r{putobject\s+#{Regexp.quote('"2.0.0".."2.3.2"')}}, insn + assert_no_match /putstring/, insn + assert_no_match /newrange/, insn + end end |