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# -*- encoding: binary -*-
require File.expand_path('../../../spec_helper', __FILE__)
describe "Symbol#casecmp with Symbol" do
it "compares symbols without regard to case" do
:abcdef.casecmp(:abcde).should == 1
:aBcDeF.casecmp(:abcdef).should == 0
:abcdef.casecmp(:abcdefg).should == -1
:abcdef.casecmp(:ABCDEF).should == 0
end
it "doesn't consider non-ascii characters equal that aren't" do
# -- Latin-1 --
upper_a_tilde = :"\xC3"
upper_a_umlaut = :"\xC4"
lower_a_tilde = :"\xE3"
lower_a_umlaut = :"\xE4"
lower_a_tilde.casecmp(lower_a_umlaut).should_not == 0
lower_a_umlaut.casecmp(lower_a_tilde).should_not == 0
upper_a_tilde.casecmp(upper_a_umlaut).should_not == 0
upper_a_umlaut.casecmp(upper_a_tilde).should_not == 0
# -- UTF-8 --
upper_a_tilde = :"\xC3\x83"
upper_a_umlaut = :"\xC3\x84"
lower_a_tilde = :"\xC3\xA3"
lower_a_umlaut = :"\xC3\xA4"
lower_a_tilde.casecmp(lower_a_umlaut).should_not == 0
lower_a_umlaut.casecmp(lower_a_tilde).should_not == 0
upper_a_tilde.casecmp(upper_a_umlaut).should_not == 0
upper_a_umlaut.casecmp(upper_a_tilde).should_not == 0
end
it "doesn't do case mapping for non-ascii characters" do
# -- Latin-1 --
upper_a_tilde = :"\xC3"
upper_a_umlaut = :"\xC4"
lower_a_tilde = :"\xE3"
lower_a_umlaut = :"\xE4"
upper_a_tilde.casecmp(lower_a_tilde).should == -1
upper_a_umlaut.casecmp(lower_a_umlaut).should == -1
lower_a_tilde.casecmp(upper_a_tilde).should == 1
lower_a_umlaut.casecmp(upper_a_umlaut).should == 1
# -- UTF-8 --
upper_a_tilde = :"\xC3\x83"
upper_a_umlaut = :"\xC3\x84"
lower_a_tilde = :"\xC3\xA3"
lower_a_umlaut = :"\xC3\xA4"
upper_a_tilde.casecmp(lower_a_tilde).should == -1
upper_a_umlaut.casecmp(lower_a_umlaut).should == -1
lower_a_tilde.casecmp(upper_a_tilde).should == 1
lower_a_umlaut.casecmp(upper_a_umlaut).should == 1
end
end
describe "Symbol#casecmp" do
it "returns nil if other is a String" do
:abc.casecmp("abc").should be_nil
end
it "returns nil if other is a Fixnum" do
:abc.casecmp(1).should be_nil
end
it "returns nil if other is an object" do
obj = mock("string <=>")
:abc.casecmp(obj).should be_nil
end
end
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