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require_relative '../spec_helper'
require_relative 'fixtures/match_operators'
describe "The !~ operator" do
before :each do
@obj = OperatorImplementor.new
end
it "evaluates as a call to !~" do
expected = "hello world"
opval = (@obj !~ expected)
methodval = @obj.send(:"!~", expected)
opval.should == expected
methodval.should == expected
end
end
describe "The =~ operator" do
before :each do
@impl = OperatorImplementor.new
end
it "calls the =~ method" do
expected = "hello world"
opval = (@obj =~ expected)
methodval = @obj.send(:"=~", expected)
opval.should == expected
methodval.should == expected
end
end
describe "The =~ operator with named captures" do
before :each do
@regexp = /(?<matched>foo)(?<unmatched>bar)?/
@string = "foofoo"
end
describe "on syntax of /regexp/ =~ string_variable" do
it "sets local variables by the captured pairs" do
/(?<matched>foo)(?<unmatched>bar)?/ =~ @string
local_variables.should == [:matched, :unmatched]
matched.should == "foo"
unmatched.should == nil
end
end
describe "on syntax of 'string_literal' =~ /regexp/" do
it "does not set local variables" do
'string literal' =~ /(?<matched>str)(?<unmatched>lit)?/
local_variables.should == []
end
end
describe "on syntax of string_variable =~ /regexp/" do
it "does not set local variables" do
@string =~ /(?<matched>foo)(?<unmatched>bar)?/
local_variables.should == []
end
end
describe "on syntax of regexp_variable =~ string_variable" do
it "does not set local variables" do
@regexp =~ @string
local_variables.should == []
end
end
describe "on the method calling" do
it "does not set local variables" do
@regexp.=~(@string)
local_variables.should == []
@regexp.send :=~, @string
local_variables.should == []
end
end
end
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