diff options
Diffstat (limited to 'spec/ruby/core/hash/any_spec.rb')
-rw-r--r-- | spec/ruby/core/hash/any_spec.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/any_spec.rb b/spec/ruby/core/hash/any_spec.rb new file mode 100644 index 0000000000..ab8d320c18 --- /dev/null +++ b/spec/ruby/core/hash/any_spec.rb @@ -0,0 +1,30 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Hash#any?" do + describe 'with no block given' do + it "checks if there are any members of a Hash" do + empty_hash = {} + empty_hash.any?.should == false + + hash_with_members = { 'key' => 'value' } + hash_with_members.any?.should == true + end + end + + describe 'with a block given' do + it 'is false if the hash is empty' do + empty_hash = {} + empty_hash.any? {|k,v| 1 == 1 }.should == false + end + + it 'is true if the block returns true for any member of the hash' do + hash_with_members = { 'a' => false, 'b' => false, 'c' => true, 'd' => false } + hash_with_members.any? {|k,v| v == true}.should == true + end + + it 'is false if the block returns false for all members of the hash' do + hash_with_members = { 'a' => false, 'b' => false, 'c' => true, 'd' => false } + hash_with_members.any? {|k,v| v == 42}.should == false + end + end +end |