diff options
Diffstat (limited to 'test/ruby/test_array.rb')
| -rw-r--r-- | test/ruby/test_array.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb index 9962745f1c..e1a77b73b1 100644 --- a/test/ruby/test_array.rb +++ b/test/ruby/test_array.rb @@ -1884,6 +1884,44 @@ class TestArray < Test::Unit::TestCase assert_equal((1..128).to_a, b) end + def test_union + assert_equal(@cls[], @cls[].union(@cls[])) + assert_equal(@cls[1], @cls[1].union(@cls[])) + assert_equal(@cls[1], @cls[].union(@cls[1])) + assert_equal(@cls[1], @cls[].union(@cls[], @cls[1])) + assert_equal(@cls[1], @cls[1].union(@cls[1])) + assert_equal(@cls[1], @cls[1].union(@cls[1], @cls[1], @cls[1])) + + assert_equal(@cls[1,2], @cls[1].union(@cls[2])) + assert_equal(@cls[1,2], @cls[1, 1].union(@cls[2, 2])) + assert_equal(@cls[1,2], @cls[1, 2].union(@cls[1, 2])) + assert_equal(@cls[1,2], @cls[1, 1].union(@cls[1, 1], @cls[1, 2], @cls[2, 1], @cls[2, 2, 2])) + + a = %w(a b c) + b = %w(a b c d e) + c = a.union(b) + assert_equal(c, b) + assert_not_same(c, b) + assert_equal(%w(a b c), a) + assert_equal(%w(a b c d e), b) + assert(a.none?(&:frozen?)) + assert(b.none?(&:frozen?)) + assert(c.none?(&:frozen?)) + end + + def test_union_big_array + assert_equal(@cls[1,2], (@cls[1]*64).union(@cls[2]*64)) + assert_equal(@cls[1,2,3], (@cls[1, 2]*64).union(@cls[1, 2]*64, @cls[3]*60)) + + a = (1..64).to_a + b = (1..128).to_a + c = a | b + assert_equal(c, b) + assert_not_same(c, b) + assert_equal((1..64).to_a, a) + assert_equal((1..128).to_a, b) + end + def test_combination a = @cls[] assert_equal(1, a.combination(0).size) |