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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/interpolation_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
Diffstat (limited to 'spec/ruby/language/regexp/interpolation_spec.rb')
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diff --git a/spec/ruby/language/regexp/interpolation_spec.rb b/spec/ruby/language/regexp/interpolation_spec.rb
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+++ b/spec/ruby/language/regexp/interpolation_spec.rb
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+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "Regexps with interpolation" do
+
+ it "allows interpolation of strings" do
+ str = "foo|bar"
+ /#{str}/.should == /foo|bar/
+ end
+
+ it "allows interpolation of literal regexps" do
+ re = /foo|bar/
+ /#{re}/.should == /(?-mix:foo|bar)/
+ end
+
+ it "allows interpolation of any object that responds to to_s" do
+ o = Object.new
+ def o.to_s
+ "object_with_to_s"
+ end
+ /#{o}/.should == /object_with_to_s/
+ end
+
+ it "allows interpolation which mixes modifiers" do
+ re = /foo/i
+ /#{re} bar/m.should == /(?i-mx:foo) bar/m
+ end
+
+ it "allows interpolation to interact with other Regexp constructs" do
+ str = "foo)|(bar"
+ /(#{str})/.should == /(foo)|(bar)/
+
+ str = "a"
+ /[#{str}-z]/.should == /[a-z]/
+ end
+
+ it "gives precedence to escape sequences over substitution" do
+ str = "J"
+ /\c#{str}/.to_s.should == '(?-mix:\c#' + '{str})'
+ end
+
+ it "throws RegexpError for malformed interpolation" do
+ s = ""
+ lambda { /(#{s}/ }.should raise_error(RegexpError)
+ s = "("
+ lambda { /#{s}/ }.should raise_error(RegexpError)
+ end
+
+ it "allows interpolation in extended mode" do
+ var = "#comment\n foo #comment\n | bar"
+ (/#{var}/x =~ "foo").should == (/foo|bar/ =~ "foo")
+ end
+
+ it "allows escape sequences in interpolated regexps" do
+ escape_seq = %r{"\x80"}n
+ %r{#{escape_seq}}n.should == /(?-mix:"\x80")/n
+ end
+end