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Diffstat (limited to 'test/ruby/test_array.rb')
| -rw-r--r-- | test/ruby/test_array.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 955121c0f0..39bf635079 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -170,6 +170,7 @@ class TestArray < Test::Unit::TestCase def test_find_all_0 assert_respond_to([], :find_all) assert_respond_to([], :select) # Alias + assert_respond_to([], :filter) # Alias assert_equal([], [].find_all{ |obj| obj == "foo"}) x = ["foo", "bar", "baz", "baz", 1, 2, 3, 3, 4] @@ -2301,6 +2302,25 @@ class TestArray < Test::Unit::TestCase assert_equal(@cls[4, 5], a) end + def test_filter + assert_equal([0, 2], [0, 1, 2, 3].filter {|x| x % 2 == 0 }) + end + + # alias for select! + def test_filter! + a = @cls[ 1, 2, 3, 4, 5 ] + assert_equal(nil, a.filter! { true }) + assert_equal(@cls[1, 2, 3, 4, 5], a) + + a = @cls[ 1, 2, 3, 4, 5 ] + assert_equal(a, a.filter! { false }) + assert_equal(@cls[], a) + + a = @cls[ 1, 2, 3, 4, 5 ] + assert_equal(a, a.filter! { |i| i > 3 }) + assert_equal(@cls[4, 5], a) + end + def test_delete2 a = [0] * 1024 + [1] + [0] * 1024 a.delete(0) |