diff options
Diffstat (limited to 'test/ruby/test_enum.rb')
| -rw-r--r-- | test/ruby/test_enum.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb index 1029143db6..5fbb2d3663 100644 --- a/test/ruby/test_enum.rb +++ b/test/ruby/test_enum.rb @@ -1135,4 +1135,14 @@ class TestEnumerable < Test::Unit::TestCase end assert_equal [1, 2, 3, 4, 5], (1..5).sort_by{|e| klass.new e} end + + def test_filter_map + @obj = (1..8).to_a + assert_equal([4, 8, 12, 16], @obj.filter_map { |i| i * 2 if i.even? }) + assert_equal([2, 4, 6, 8, 10, 12, 14, 16], @obj.filter_map { |i| i * 2 }) + assert_equal([0, 0, 0, 0, 0, 0, 0, 0], @obj.filter_map { 0 }) + assert_equal([], @obj.filter_map { false }) + assert_equal([], @obj.filter_map { nil }) + assert_instance_of(Enumerator, @obj.filter_map) + end end |