diff options
Diffstat (limited to 'spec/rubyspec/command_line/frozen_strings_spec.rb')
-rw-r--r-- | spec/rubyspec/command_line/frozen_strings_spec.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/rubyspec/command_line/frozen_strings_spec.rb b/spec/rubyspec/command_line/frozen_strings_spec.rb new file mode 100644 index 0000000000..f3ee797c78 --- /dev/null +++ b/spec/rubyspec/command_line/frozen_strings_spec.rb @@ -0,0 +1,30 @@ +require File.expand_path('../../spec_helper', __FILE__) + +ruby_version_is "2.3" do + describe "The --enable-frozen-string-literal flag causes string literals to" do + + it "produce the same object each time" do + ruby_exe(fixture(__FILE__, "freeze_flag_one_literal.rb"), options: "--enable-frozen-string-literal").chomp.should == "true" + end + + it "produce the same object for literals with the same content" do + ruby_exe(fixture(__FILE__, "freeze_flag_two_literals.rb"), options: "--enable-frozen-string-literal").chomp.should == "true" + end + + it "produce the same object for literals with the same content in different files" do + ruby_exe(fixture(__FILE__, "freeze_flag_across_files.rb"), options: "--enable-frozen-string-literal").chomp.should == "true" + end + + it "produce different objects for literals with the same content in different files if they have different encodings" do + ruby_exe(fixture(__FILE__, "freeze_flag_across_files_diff_enc.rb"), options: "--enable-frozen-string-literal").chomp.should == "true" + end + end + + describe "The --debug flag produces" do + it "debugging info on attempted frozen string modification" do + error_str = ruby_exe(fixture(__FILE__, 'debug_info.rb'), options: '--debug', args: "2>&1") + error_str.should include("can't modify frozen String, created at ") + error_str.should include("command_line/fixtures/debug_info.rb:2") + end + end +end |