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ruby--ruby/spec/ruby/core/regexp/source_spec.rb
2022-07-27 17:18:25 +02:00

47 lines
1.2 KiB
Ruby

# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
describe "Regexp#source" do
it "returns the original string of the pattern" do
not_supported_on :opal do
/ab+c/ix.source.should == "ab+c"
end
/x(.)xz/.source.should == "x(.)xz"
end
it "keeps escape sequences as is" do
/\x20\+/.source.should == '\x20\+'
end
describe "escaping" do
it "keeps escaping of metacharacter" do
/\$/.source.should == "\\$"
end
it "keeps escaping of metacharacter used as a terminator" do
%r+\++.source.should == "\\+"
end
it "removes escaping of non-metacharacter used as a terminator" do
%r@\@@.source.should == "@"
end
it "keeps escaping of non-metacharacter not used as a terminator" do
/\@/.source.should == "\\@"
end
end
not_supported_on :opal do
it "has US-ASCII encoding when created from an ASCII-only \\u{} literal" do
re = /[\u{20}-\u{7E}]/
re.source.encoding.should equal(Encoding::US_ASCII)
end
end
not_supported_on :opal do
it "has UTF-8 encoding when created from a non-ASCII-only \\u{} literal" do
re = /[\u{20}-\u{7EE}]/
re.source.encoding.should equal(Encoding::UTF_8)
end
end
end