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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/language/regexp/modifiers_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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diff --git a/spec/ruby/language/regexp/modifiers_spec.rb b/spec/ruby/language/regexp/modifiers_spec.rb
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+++ b/spec/ruby/language/regexp/modifiers_spec.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "Regexps with modifers" do
+ it "supports /i (case-insensitive)" do
+ /foo/i.match("FOO").to_a.should == ["FOO"]
+ end
+
+ it "supports /m (multiline)" do
+ /foo.bar/m.match("foo\nbar").to_a.should == ["foo\nbar"]
+ /foo.bar/.match("foo\nbar").should be_nil
+ end
+
+ it "supports /x (extended syntax)" do
+ /\d +/x.match("abc123").to_a.should == ["123"] # Quantifiers can be separated from the expression they apply to
+ end
+
+ it "supports /o (once)" do
+ 2.times do |i|
+ /#{i}/o.should == /0/
+ end
+ end
+
+ it "invokes substitutions for /o only once" do
+ ScratchPad.record []
+ o = Object.new
+ def o.to_s
+ ScratchPad << :to_s
+ "class_with_to_s"
+ end
+ eval "2.times { /#{o}/o }"
+ ScratchPad.recorded.should == [:to_s]
+ end
+
+ it "supports modifier combinations" do
+ /foo/imox.match("foo").to_a.should == ["foo"]
+ /foo/imoximox.match("foo").to_a.should == ["foo"]
+
+ lambda { eval('/foo/a') }.should raise_error(SyntaxError)
+ end
+
+ it "supports (?imx-imx) (inline modifiers)" do
+ /(?i)foo/.match("FOO").to_a.should == ["FOO"]
+ /foo(?i)/.match("FOO").should be_nil
+ # Interaction with /i
+ /(?-i)foo/i.match("FOO").should be_nil
+ /foo(?-i)/i.match("FOO").to_a.should == ["FOO"]
+ # Multiple uses
+ /foo (?i)bar (?-i)baz/.match("foo BAR baz").to_a.should == ["foo BAR baz"]
+ /foo (?i)bar (?-i)baz/.match("foo BAR BAZ").should be_nil
+
+ /(?m)./.match("\n").to_a.should == ["\n"]
+ /.(?m)/.match("\n").should be_nil
+ # Interaction with /m
+ /(?-m)./m.match("\n").should be_nil
+ /.(?-m)/m.match("\n").to_a.should == ["\n"]
+ # Multiple uses
+ /. (?m). (?-m)./.match(". \n .").to_a.should == [". \n ."]
+ /. (?m). (?-m)./.match(". \n \n").should be_nil
+
+ /(?x) foo /.match("foo").to_a.should == ["foo"]
+ / foo (?x)/.match("foo").should be_nil
+ # Interaction with /x
+ /(?-x) foo /x.match("foo").should be_nil
+ / foo (?-x)/x.match("foo").to_a.should == ["foo"]
+ # Multiple uses
+ /( foo )(?x)( bar )(?-x)( baz )/.match(" foo bar baz ").to_a.should == [" foo bar baz ", " foo ", "bar", " baz "]
+ /( foo )(?x)( bar )(?-x)( baz )/.match(" foo barbaz").should be_nil
+
+ # Parsing
+ /(?i-i)foo/.match("FOO").should be_nil
+ /(?ii)foo/.match("FOO").to_a.should == ["FOO"]
+ /(?-)foo/.match("foo").to_a.should == ["foo"]
+ lambda { eval('/(?o)/') }.should raise_error(SyntaxError)
+ end
+
+ it "supports (?imx-imx:expr) (scoped inline modifiers)" do
+ /foo (?i:bar) baz/.match("foo BAR baz").to_a.should == ["foo BAR baz"]
+ /foo (?i:bar) baz/.match("foo BAR BAZ").should be_nil
+ /foo (?-i:bar) baz/i.match("foo BAR BAZ").should be_nil
+
+ /. (?m:.) ./.match(". \n .").to_a.should == [". \n ."]
+ /. (?m:.) ./.match(". \n \n").should be_nil
+ /. (?-m:.) ./m.match("\n \n \n").should be_nil
+
+ /( foo )(?x: bar )( baz )/.match(" foo bar baz ").to_a.should == [" foo bar baz ", " foo ", " baz "]
+ /( foo )(?x: bar )( baz )/.match(" foo barbaz").should be_nil
+ /( foo )(?-x: bar )( baz )/x.match("foo bar baz").to_a.should == ["foo bar baz", "foo", "baz"]
+
+ # Parsing
+ /(?i-i:foo)/.match("FOO").should be_nil
+ /(?ii:foo)/.match("FOO").to_a.should == ["FOO"]
+ /(?-:)foo/.match("foo").to_a.should == ["foo"]
+ lambda { eval('/(?o:)/') }.should raise_error(SyntaxError)
+ end
+
+ it "supports . with /m" do
+ # Basic matching
+ /./m.match("\n").to_a.should == ["\n"]
+ end
+
+ it "supports ASII/Unicode modifiers" do
+ eval('/(?a)[[:alpha:]]+/').match("a\u3042").to_a.should == ["a"]
+ eval('/(?d)[[:alpha:]]+/').match("a\u3042").to_a.should == ["a\u3042"]
+ eval('/(?u)[[:alpha:]]+/').match("a\u3042").to_a.should == ["a\u3042"]
+ eval('/(?a)\w+/').match("a\u3042").to_a.should == ["a"]
+ eval('/(?d)\w+/').match("a\u3042").to_a.should == ["a"]
+ eval('/(?u)\w+/').match("a\u3042").to_a.should == ["a\u3042"]
+ end
+end