diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
---|---|---|
committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | 1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/string/match_spec.rb | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) | |
download | ruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.tar.gz |
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
Diffstat (limited to 'spec/ruby/core/string/match_spec.rb')
-rw-r--r-- | spec/ruby/core/string/match_spec.rb | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/spec/ruby/core/string/match_spec.rb b/spec/ruby/core/string/match_spec.rb new file mode 100644 index 0000000000..94e28e7297 --- /dev/null +++ b/spec/ruby/core/string/match_spec.rb @@ -0,0 +1,175 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes.rb', __FILE__) + +describe :string_match_escaped_literal, shared: true do + not_supported_on :opal do + it "matches a literal Regexp that uses ASCII-only UTF-8 escape sequences" do + "a b".match(/([\u{20}-\u{7e}])/)[0].should == "a" + end + end +end + +describe "String#=~" do + it "behaves the same way as index() when given a regexp" do + ("rudder" =~ /udder/).should == "rudder".index(/udder/) + ("boat" =~ /[^fl]oat/).should == "boat".index(/[^fl]oat/) + ("bean" =~ /bag/).should == "bean".index(/bag/) + ("true" =~ /false/).should == "true".index(/false/) + end + + it "raises a TypeError if a obj is a string" do + lambda { "some string" =~ "another string" }.should raise_error(TypeError) + lambda { "a" =~ StringSpecs::MyString.new("b") }.should raise_error(TypeError) + end + + it "invokes obj.=~ with self if obj is neither a string nor regexp" do + str = "w00t" + obj = mock('x') + + obj.should_receive(:=~).with(str).any_number_of_times.and_return(true) + str.should =~ obj + + obj = mock('y') + obj.should_receive(:=~).with(str).any_number_of_times.and_return(false) + str.should_not =~ obj + end + + it "sets $~ to MatchData when there is a match and nil when there's none" do + 'hello' =~ /./ + $~[0].should == 'h' + + 'hello' =~ /not/ + $~.should == nil + end + + with_feature :encoding do + it "returns the character index of a found match" do + ("こにちわ" =~ /に/).should == 1 + end + end + +end + +describe "String#match" do + it "matches the pattern against self" do + 'hello'.match(/(.)\1/)[0].should == 'll' + end + + it_behaves_like :string_match_escaped_literal, :match + + describe "with [pattern, position]" do + describe "when given a positive position" do + it "matches the pattern against self starting at an optional index" do + "01234".match(/(.).(.)/, 1).captures.should == ["1", "3"] + end + + with_feature :encoding do + it "uses the start as a character offset" do + "零一二三四".match(/(.).(.)/, 1).captures.should == ["一", "三"] + end + end + end + + describe "when given a negative position" do + it "matches the pattern against self starting at an optional index" do + "01234".match(/(.).(.)/, -4).captures.should == ["1", "3"] + end + + with_feature :encoding do + it "uses the start as a character offset" do + "零一二三四".match(/(.).(.)/, -4).captures.should == ["一", "三"] + end + end + end + end + + describe "when passed a block" do + it "yields the MatchData" do + "abc".match(/./) {|m| ScratchPad.record m } + ScratchPad.recorded.should be_kind_of(MatchData) + end + + it "returns the block result" do + "abc".match(/./) { :result }.should == :result + end + + it "does not yield if there is no match" do + ScratchPad.record [] + "b".match(/a/) {|m| ScratchPad << m } + ScratchPad.recorded.should == [] + end + end + + it "tries to convert pattern to a string via to_str" do + obj = mock('.') + def obj.to_str() "." end + "hello".match(obj)[0].should == "h" + + obj = mock('.') + def obj.respond_to?(type, *) true end + def obj.method_missing(*args) "." end + "hello".match(obj)[0].should == "h" + end + + it "raises a TypeError if pattern is not a regexp or a string" do + lambda { 'hello'.match(10) }.should raise_error(TypeError) + not_supported_on :opal do + lambda { 'hello'.match(:ell) }.should raise_error(TypeError) + end + end + + it "converts string patterns to regexps without escaping" do + 'hello'.match('(.)\1')[0].should == 'll' + end + + it "returns nil if there's no match" do + 'hello'.match('xx').should == nil + end + + it "matches \\G at the start of the string" do + 'hello'.match(/\Gh/)[0].should == 'h' + 'hello'.match(/\Go/).should == nil + end + + it "sets $~ to MatchData of match or nil when there is none" do + 'hello'.match(/./) + $~[0].should == 'h' + Regexp.last_match[0].should == 'h' + + 'hello'.match(/X/) + $~.should == nil + Regexp.last_match.should == nil + end + + it "calls match on the regular expression" do + regexp = /./ + regexp.should_receive(:match).and_return(:foo) + 'hello'.match(regexp).should == :foo + end +end + +ruby_version_is "2.4" do + describe "String#match?" do + before :each do + # Resetting Regexp.last_match + /DONTMATCH/.match '' + end + + context "when matches the given regex" do + it "returns true but does not set Regexp.last_match" do + 'string'.match?(/string/i).should be_true + Regexp.last_match.should be_nil + end + end + + it "returns false when does not match the given regex" do + 'string'.match?(/STRING/).should be_false + end + + it "takes matching position as the 2nd argument" do + 'string'.match?(/str/i, 0).should be_true + 'string'.match?(/str/i, 1).should be_false + end + end +end |