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Diffstat (limited to 'spec/ruby/core/symbol/casecmp_spec.rb')
-rw-r--r-- | spec/ruby/core/symbol/casecmp_spec.rb | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/spec/ruby/core/symbol/casecmp_spec.rb b/spec/ruby/core/symbol/casecmp_spec.rb new file mode 100644 index 0000000000..942bd15998 --- /dev/null +++ b/spec/ruby/core/symbol/casecmp_spec.rb @@ -0,0 +1,74 @@ +# -*- 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 |