diff options
Diffstat (limited to 'spec/ruby/core/array/delete_if_spec.rb')
-rw-r--r-- | spec/ruby/core/array/delete_if_spec.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/core/array/delete_if_spec.rb b/spec/ruby/core/array/delete_if_spec.rb index 1459cc8d04..10972eee0e 100644 --- a/spec/ruby/core/array/delete_if_spec.rb +++ b/spec/ruby/core/array/delete_if_spec.rb @@ -2,6 +2,7 @@ require_relative '../../spec_helper' require_relative 'fixtures/classes' require_relative 'shared/enumeratorize' require_relative 'shared/delete_if' +require_relative 'shared/iterable_and_tolerating_size_increasing' require_relative '../enumerable/shared/enumeratorized' describe "Array#delete_if" do @@ -47,6 +48,35 @@ describe "Array#delete_if" do -> { ArraySpecs.empty_frozen_array.delete_if {} }.should raise_error(FrozenError) end + it "does not truncate the array is the block raises an exception" do + a = [1, 2, 3] + begin + a.delete_if { raise StandardError, 'Oops' } + rescue + end + + a.should == [1, 2, 3] + end + + it "only removes elements for which the block returns true, keeping the element which raised an error." do + a = [1, 2, 3, 4] + begin + a.delete_if do |e| + case e + when 2 then true + when 3 then raise StandardError, 'Oops' + else false + end + end + rescue StandardError + end + + a.should == [1, 3, 4] + end + it_behaves_like :enumeratorized_with_origin_size, :delete_if, [1,2,3] it_behaves_like :delete_if, :delete_if + + @value_to_return = -> _ { false } + it_behaves_like :array_iterable_and_tolerating_size_increasing, :delete_if end |