diff options
Diffstat (limited to 'spec/ruby/core/regexp/options_spec.rb')
-rw-r--r-- | spec/ruby/core/regexp/options_spec.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/spec/ruby/core/regexp/options_spec.rb b/spec/ruby/core/regexp/options_spec.rb new file mode 100644 index 0000000000..10aeeac919 --- /dev/null +++ b/spec/ruby/core/regexp/options_spec.rb @@ -0,0 +1,54 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Regexp#options" do + it "returns a Fixnum bitvector of regexp options for the Regexp object" do + /cat/.options.should be_kind_of(Fixnum) + not_supported_on :opal do + /cat/ix.options.should be_kind_of(Fixnum) + end + end + + it "allows checking for presence of a certain option with bitwise &" do + (/cat/.options & Regexp::IGNORECASE).should == 0 + (/cat/i.options & Regexp::IGNORECASE).should_not == 0 + (/cat/.options & Regexp::MULTILINE).should == 0 + (/cat/m.options & Regexp::MULTILINE).should_not == 0 + not_supported_on :opal do + (/cat/.options & Regexp::EXTENDED).should == 0 + (/cat/x.options & Regexp::EXTENDED).should_not == 0 + (/cat/mx.options & Regexp::MULTILINE).should_not == 0 + (/cat/mx.options & Regexp::EXTENDED).should_not == 0 + (/cat/xi.options & Regexp::IGNORECASE).should_not == 0 + (/cat/xi.options & Regexp::EXTENDED).should_not == 0 + end + end + + it "returns 0 for a Regexp literal without options" do + //.options.should == 0 + /abc/.options.should == 0 + end + + it "raises a TypeError on an uninitialized Regexp" do + lambda { Regexp.allocate.options }.should raise_error(TypeError) + end + + it "includes Regexp::FIXEDENCODING for a Regexp literal with the 'u' option" do + (//u.options & Regexp::FIXEDENCODING).should_not == 0 + end + + it "includes Regexp::FIXEDENCODING for a Regexp literal with the 'e' option" do + (//e.options & Regexp::FIXEDENCODING).should_not == 0 + end + + it "includes Regexp::FIXEDENCODING for a Regexp literal with the 's' option" do + (//s.options & Regexp::FIXEDENCODING).should_not == 0 + end + + it "does not include Regexp::FIXEDENCODING for a Regexp literal with the 'n' option" do + (//n.options & Regexp::FIXEDENCODING).should == 0 + end + + it "includes Regexp::NOENCODING for a Regexp literal with the 'n' option" do + (//n.options & Regexp::NOENCODING).should_not == 0 + end +end |