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* 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
51 lines
1.4 KiB
Ruby
51 lines
1.4 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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describe "Symbol#<=> with Symbol" do
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it "compares individual characters based on their ascii value" do
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ascii_order = Array.new(256) { |x| x.chr.to_sym }
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sort_order = ascii_order.sort
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sort_order.should == ascii_order
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end
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it "returns -1 when self is less than other" do
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(:this <=> :those).should == -1
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end
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it "returns 0 when self is equal to other" do
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(:yep <=> :yep).should == 0
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end
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it "returns 1 when self is greater than other" do
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(:yoddle <=> :griddle).should == 1
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end
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it "considers symbol that comes lexicographically first to be less if the symbols have same size" do
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(:aba <=> :abc).should == -1
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(:abc <=> :aba).should == 1
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end
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it "doesn't consider shorter string to be less if longer string starts with shorter one" do
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(:abc <=> :abcd).should == -1
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(:abcd <=> :abc).should == 1
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end
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it "compares shorter string with corresponding number of first chars of longer string" do
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(:abx <=> :abcd).should == 1
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(:abcd <=> :abx).should == -1
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end
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end
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describe "Symbol#<=>" do
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it "returns nil if other is a String" do
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(:abc <=> "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 <=> 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 <=> obj).should be_nil
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end
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end
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