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# -*- encoding: binary -*-
describe :regexp_quote, shared: true do
it "escapes any characters with special meaning in a regular expression" do
Regexp.send(@method, '\*?{}.+^[]()- ').should == '\\\\\*\?\{\}\.\+\^\[\]\(\)\-\\ '
Regexp.send(@method, "\*?{}.+^[]()- ").should == '\\*\\?\\{\\}\\.\\+\\^\\[\\]\\(\\)\\-\\ '
Regexp.send(@method, '\n\r\f\t').should == '\\\\n\\\\r\\\\f\\\\t'
Regexp.send(@method, "\n\r\f\t").should == '\\n\\r\\f\\t'
end
it "works with symbols" do
Regexp.send(@method, :symbol).should == 'symbol'
end
it "works with substrings" do
str = ".+[]()"[1...-1]
Regexp.send(@method, str).should == '\+\[\]\('
end
it "works for broken strings" do
Regexp.send(@method, "a.\x85b.".dup.force_encoding("US-ASCII")).should =="a\\.\x85b\\.".dup.force_encoding("US-ASCII")
Regexp.send(@method, "a.\x80".dup.force_encoding("UTF-8")).should == "a\\.\x80".dup.force_encoding("UTF-8")
end
it "sets the encoding of the result to US-ASCII if there are only US-ASCII characters present in the input String" do
str = "abc".dup.force_encoding("euc-jp")
Regexp.send(@method, str).encoding.should == Encoding::US_ASCII
end
it "sets the encoding of the result to the encoding of the String if any non-US-ASCII characters are present in an input String with valid encoding" do
str = "ありがとう".dup.force_encoding("utf-8")
str.valid_encoding?.should be_true
Regexp.send(@method, str).encoding.should == Encoding::UTF_8
end
it "sets the encoding of the result to BINARY if any non-US-ASCII characters are present in an input String with invalid encoding" do
str = "\xff".dup.force_encoding "us-ascii"
str.valid_encoding?.should be_false
Regexp.send(@method, "\xff").encoding.should == Encoding::BINARY
end
end
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