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Diffstat (limited to 'spec/ruby/core/hash/lt_spec.rb')
-rw-r--r-- | spec/ruby/core/hash/lt_spec.rb | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/lt_spec.rb b/spec/ruby/core/hash/lt_spec.rb new file mode 100644 index 0000000000..c32af32017 --- /dev/null +++ b/spec/ruby/core/hash/lt_spec.rb @@ -0,0 +1,44 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../shared/comparison', __FILE__) +require File.expand_path('../shared/less_than', __FILE__) + +ruby_version_is "2.3" do + describe "Hash#<" do + it_behaves_like :hash_comparison, :< + it_behaves_like :hash_less_than, :< + + it "returns false if both hashes are identical" do + h = { a: 1, b: 2 } + (h < h).should be_false + end + end + + describe "Hash#<" do + before :each do + @hash = {a:1, b:2} + @bigger = {a:1, b:2, c:3} + @unrelated = {c:3, d:4} + @similar = {a:2, b:3} + end + + it "returns false when receiver size is larger than argument" do + (@bigger < @hash).should == false + (@bigger < @unrelated).should == false + end + + it "returns false when receiver size is the same as argument" do + (@hash < @hash).should == false + (@hash < @unrelated).should == false + (@unrelated < @hash).should == false + end + + it "returns true when receiver is a subset of argument" do + (@hash < @bigger).should == true + end + + it "returns false when keys match but values don't" do + (@hash < @similar).should == false + (@similar < @hash).should == false + end + end +end |