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Diffstat (limited to 'spec/ruby/core/array/any_spec.rb')
-rw-r--r-- | spec/ruby/core/array/any_spec.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/spec/ruby/core/array/any_spec.rb b/spec/ruby/core/array/any_spec.rb new file mode 100644 index 0000000000..7e9863420f --- /dev/null +++ b/spec/ruby/core/array/any_spec.rb @@ -0,0 +1,37 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Array#any?" do + describe 'with no block given (a default block of { |x| x } is implicit)' do + it "is false if the array is empty" do + empty_array = [] + empty_array.any?.should == false + end + + it "is false if the array is not empty, but all the members of the array are falsy" do + falsy_array = [false, nil, false] + falsy_array.any?.should == false + end + + it "is true if the array has any truthy members" do + not_empty_array = ['anything', nil] + not_empty_array.any?.should == true + end + end + + describe 'with a block given' do + it 'is false if the array is empty' do + empty_array = [] + empty_array.any? {|v| 1 == 1 }.should == false + end + + it 'is true if the block returns true for any member of the array' do + array_with_members = [false, false, true, false] + array_with_members.any? {|v| v == true }.should == true + end + + it 'is false if the block returns false for all members of the array' do + array_with_members = [false, false, true, false] + array_with_members.any? {|v| v == 42 }.should == false + end + end +end |