diff options
Diffstat (limited to 'spec/ruby/core/hash/each_key_spec.rb')
-rw-r--r-- | spec/ruby/core/hash/each_key_spec.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/each_key_spec.rb b/spec/ruby/core/hash/each_key_spec.rb new file mode 100644 index 0000000000..4a4078a594 --- /dev/null +++ b/spec/ruby/core/hash/each_key_spec.rb @@ -0,0 +1,23 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/iteration', __FILE__) +require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__) + +describe "Hash#each_key" do + it "calls block once for each key, passing key" do + r = {} + h = { 1 => -1, 2 => -2, 3 => -3, 4 => -4 } + h.each_key { |k| r[k] = k }.should equal(h) + r.should == { 1 => 1, 2 => 2, 3 => 3, 4 => 4 } + end + + it "processes keys in the same order as keys()" do + keys = [] + h = { 1 => -1, 2 => -2, 3 => -3, 4 => -4 } + h.each_key { |k| keys << k } + keys.should == h.keys + end + + it_behaves_like(:hash_iteration_no_block, :each_key) + it_behaves_like(:enumeratorized_with_origin_size, :each_key, { 1 => 2, 3 => 4, 5 => 6 }) +end |