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144 lines
4.5 KiB
Ruby
144 lines
4.5 KiB
Ruby
# -*- encoding: utf-8 -*-
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require_relative '../../spec_helper'
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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".b.to_sym
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upper_a_umlaut = "\xC4".b.to_sym
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lower_a_tilde = "\xE3".b.to_sym
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lower_a_umlaut = "\xE4".b.to_sym
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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 = :"Ã"
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lower_a_tilde = :"ã"
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upper_a_umlaut = :"Ä"
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lower_a_umlaut = :"ä"
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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".b.to_sym
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upper_a_umlaut = "\xC4".b.to_sym
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lower_a_tilde = "\xE3".b.to_sym
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lower_a_umlaut = "\xE4".b.to_sym
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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 = :"Ã"
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lower_a_tilde = :"ã"
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upper_a_umlaut = :"Ä"
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lower_a_umlaut = :"ä"
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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 an Integer" 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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describe 'Symbol#casecmp?' do
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it "compares symbols without regard to case" do
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:abcdef.casecmp?(:abcde).should == false
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:aBcDeF.casecmp?(:abcdef).should == true
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:abcdef.casecmp?(:abcdefg).should == false
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:abcdef.casecmp?(:ABCDEF).should == true
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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".b.to_sym
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upper_a_umlaut = "\xC4".b.to_sym
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lower_a_tilde = "\xE3".b.to_sym
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lower_a_umlaut = "\xE4".b.to_sym
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lower_a_tilde.casecmp?(lower_a_umlaut).should_not == true
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lower_a_umlaut.casecmp?(lower_a_tilde).should_not == true
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upper_a_tilde.casecmp?(upper_a_umlaut).should_not == true
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upper_a_umlaut.casecmp?(upper_a_tilde).should_not == true
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# -- UTF-8 --
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upper_a_tilde = :"Ã"
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lower_a_tilde = :"ã"
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upper_a_umlaut = :"Ä"
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lower_a_umlaut = :"ä"
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lower_a_tilde.casecmp?(lower_a_umlaut).should_not == true
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lower_a_umlaut.casecmp?(lower_a_tilde).should_not == true
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upper_a_tilde.casecmp?(upper_a_umlaut).should_not == true
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upper_a_umlaut.casecmp?(upper_a_tilde).should_not == true
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end
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it "doesn't do case mapping for non-ascii and non-unicode characters" do
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# -- Latin-1 --
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upper_a_tilde = "\xC3".b.to_sym
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upper_a_umlaut = "\xC4".b.to_sym
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lower_a_tilde = "\xE3".b.to_sym
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lower_a_umlaut = "\xE4".b.to_sym
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upper_a_tilde.casecmp?(lower_a_tilde).should == false
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upper_a_umlaut.casecmp?(lower_a_umlaut).should == false
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lower_a_tilde.casecmp?(upper_a_tilde).should == false
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lower_a_umlaut.casecmp?(upper_a_umlaut).should == false
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end
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it 'does case mapping for unicode characters' do
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# -- UTF-8 --
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upper_a_tilde = :"Ã"
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lower_a_tilde = :"ã"
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upper_a_umlaut = :"Ä"
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lower_a_umlaut = :"ä"
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upper_a_tilde.casecmp?(lower_a_tilde).should == true
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upper_a_umlaut.casecmp?(lower_a_umlaut).should == true
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lower_a_tilde.casecmp?(upper_a_tilde).should == true
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lower_a_umlaut.casecmp?(upper_a_umlaut).should == true
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end
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it 'returns nil when comparing characters with different encodings' do
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# -- Latin-1 --
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upper_a_tilde = "\xC3".b.to_sym
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# -- UTF-8 --
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lower_a_tilde = :"ã"
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upper_a_tilde.casecmp?(lower_a_tilde).should == nil
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lower_a_tilde.casecmp?(upper_a_tilde).should == nil
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end
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end
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