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