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Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_rubyoptions.rb | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb index 22663ed007..0c27172701 100644 --- a/test/ruby/test_rubyoptions.rb +++ b/test/ruby/test_rubyoptions.rb @@ -1233,6 +1233,17 @@ class TestRubyOptions < Test::Unit::TestCase end end + def test_frozen_string_literal_debug_chilled_strings + code = <<~RUBY + "foo" << "bar" + RUBY + warning = ["-:1: warning: literal string will be frozen in the future"] + assert_in_out_err(["-W:deprecated"], code, [], warning) + assert_in_out_err(["-W:deprecated", "--debug-frozen-string-literal"], code, [], warning) + assert_in_out_err(["-W:deprecated", "--disable-frozen-string-literal", "--debug-frozen-string-literal"], code, [], []) + assert_in_out_err(["-W:deprecated", "--enable-frozen-string-literal", "--debug-frozen-string-literal"], code, [], ["-:1:in '<main>': can't modify frozen String: \"foo\", created at -:1 (FrozenError)"]) + end + def test___dir__encoding lang = {"LC_ALL"=>ENV["LC_ALL"]||ENV["LANG"]} with_tmpchdir do |