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Diffstat (limited to 'spec/ruby/core/hash/shared/index.rb')
-rw-r--r-- | spec/ruby/core/hash/shared/index.rb | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/shared/index.rb b/spec/ruby/core/hash/shared/index.rb new file mode 100644 index 0000000000..9aa1b2a46f --- /dev/null +++ b/spec/ruby/core/hash/shared/index.rb @@ -0,0 +1,27 @@ +require File.expand_path('../../../../spec_helper', __FILE__) +require File.expand_path('../../fixtures/classes', __FILE__) + +describe :hash_index, shared: true do + it "returns the corresponding key for value" do + { 2 => 'a', 1 => 'b' }.send(@method, 'b').should == 1 + end + + it "returns nil if the value is not found" do + { a: -1, b: 3.14, c: 2.718 }.send(@method, 1).should be_nil + end + + it "doesn't return default value if the value is not found" do + Hash.new(5).send(@method, 5).should be_nil + end + + it "compares values using ==" do + { 1 => 0 }.send(@method, 0.0).should == 1 + { 1 => 0.0 }.send(@method, 0).should == 1 + + needle = mock('needle') + inhash = mock('inhash') + inhash.should_receive(:==).with(needle).and_return(true) + + { 1 => inhash }.send(@method, needle).should == 1 + end +end |