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1d15d5f080
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
120 lines
3.2 KiB
Ruby
120 lines
3.2 KiB
Ruby
# -*- encoding: ascii-8bit -*-
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes.rb', __FILE__)
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describe "String#casecmp independent of case" do
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it "returns -1 when less than other" do
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"a".casecmp("b").should == -1
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"A".casecmp("b").should == -1
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end
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it "returns 0 when equal to other" do
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"a".casecmp("a").should == 0
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"A".casecmp("a").should == 0
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end
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it "returns 1 when greater than other" do
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"b".casecmp("a").should == 1
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"B".casecmp("a").should == 1
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end
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it "tries to convert other to string using to_str" do
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other = mock('x')
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other.should_receive(:to_str).and_return("abc")
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"abc".casecmp(other).should == 0
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end
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ruby_version_is ""..."2.5" do
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it "raises a TypeError if other can't be converted to a string" do
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lambda { "abc".casecmp(mock('abc')) }.should raise_error(TypeError)
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end
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end
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ruby_version_is "2.5" do
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it "returns nil if other can't be converted to a string" do
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"abc".casecmp(mock('abc')).should be_nil
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end
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end
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describe "in UTF-8 mode" do
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describe "for non-ASCII characters" do
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before :each do
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@upper_a_tilde = "\xc3\x83"
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@lower_a_tilde = "\xc3\xa3"
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@upper_a_umlaut = "\xc3\x84"
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@lower_a_umlaut = "\xc3\xa4"
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end
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it "returns -1 when numerically less than other" do
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@upper_a_tilde.casecmp(@lower_a_tilde).should == -1
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@upper_a_tilde.casecmp(@upper_a_umlaut).should == -1
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end
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it "returns 0 when numerically equal to other" do
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@upper_a_tilde.casecmp(@upper_a_tilde).should == 0
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end
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it "returns 1 when numerically greater than other" do
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@lower_a_umlaut.casecmp(@upper_a_umlaut).should == 1
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@lower_a_umlaut.casecmp(@lower_a_tilde).should == 1
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end
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end
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describe "for ASCII characters" do
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it "returns -1 when less than other" do
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"a".casecmp("b").should == -1
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"A".casecmp("b").should == -1
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end
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it "returns 0 when equal to other" do
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"a".casecmp("a").should == 0
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"A".casecmp("a").should == 0
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end
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it "returns 1 when greater than other" do
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"b".casecmp("a").should == 1
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"B".casecmp("a").should == 1
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end
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end
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end
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describe "for non-ASCII characters" do
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before :each do
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@upper_a_tilde = "\xc3"
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@lower_a_tilde = "\xe3"
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end
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it "returns -1 when numerically less than other" do
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@upper_a_tilde.casecmp(@lower_a_tilde).should == -1
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end
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it "returns 0 when equal to other" do
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@upper_a_tilde.casecmp("\xc3").should == 0
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end
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it "returns 1 when numerically greater than other" do
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@lower_a_tilde.casecmp(@upper_a_tilde).should == 1
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end
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end
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describe "when comparing a subclass instance" do
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it "returns -1 when less than other" do
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b = StringSpecs::MyString.new "b"
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"a".casecmp(b).should == -1
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"A".casecmp(b).should == -1
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end
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it "returns 0 when equal to other" do
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a = StringSpecs::MyString.new "a"
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"a".casecmp(a).should == 0
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"A".casecmp(a).should == 0
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end
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it "returns 1 when greater than other" do
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a = StringSpecs::MyString.new "a"
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"b".casecmp(a).should == 1
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"B".casecmp(a).should == 1
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end
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end
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end
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