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-rw-r--r--spec/rubyspec/core/regexp/options_spec.rb54
1 files changed, 54 insertions, 0 deletions
diff --git a/spec/rubyspec/core/regexp/options_spec.rb b/spec/rubyspec/core/regexp/options_spec.rb
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+++ b/spec/rubyspec/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