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describe :end_with, shared: true do
# the @method should either be :to_s or :to_sym
it "returns true only if ends match" do
s = "hello".send(@method)
s.should.end_with?('o')
s.should.end_with?('llo')
end
it 'returns false if the end does not match' do
s = 'hello'.send(@method)
s.should_not.end_with?('ll')
end
it "returns true if the search string is empty" do
"hello".send(@method).should.end_with?("")
"".send(@method).should.end_with?("")
end
it "returns true only if any ending match" do
"hello".send(@method).should.end_with?('x', 'y', 'llo', 'z')
end
it "converts its argument using :to_str" do
s = "hello".send(@method)
find = mock('o')
find.should_receive(:to_str).and_return("o")
s.should.end_with?(find)
end
it "ignores arguments not convertible to string" do
"hello".send(@method).should_not.end_with?()
-> { "hello".send(@method).end_with?(1) }.should raise_error(TypeError)
-> { "hello".send(@method).end_with?(["o"]) }.should raise_error(TypeError)
-> { "hello".send(@method).end_with?(1, nil, "o") }.should raise_error(TypeError)
end
it "uses only the needed arguments" do
find = mock('h')
find.should_not_receive(:to_str)
"hello".send(@method).should.end_with?("o", find)
end
it "works for multibyte strings" do
"céréale".send(@method).should.end_with?("réale")
end
it "raises an Encoding::CompatibilityError if the encodings are incompatible" do
pat = "ア".encode Encoding::EUC_JP
-> do
"あれ".send(@method).end_with?(pat)
end.should raise_error(Encoding::CompatibilityError)
end
it "checks that we are starting to match at the head of a character" do
"\xC3\xA9".send(@method).should_not.end_with?("\xA9")
"\xe3\x81\x82".send(@method).should_not.end_with?("\x82")
"ab".force_encoding("UTF-16BE").send(@method).should_not.end_with?(
"b".force_encoding("UTF-16BE"))
end
end
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