diff options
Diffstat (limited to 'test/ruby/test_arithmetic_sequence.rb')
| -rw-r--r-- | test/ruby/test_arithmetic_sequence.rb | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/test/ruby/test_arithmetic_sequence.rb b/test/ruby/test_arithmetic_sequence.rb index 143906f4e2..5e2a825265 100644 --- a/test/ruby/test_arithmetic_sequence.rb +++ b/test/ruby/test_arithmetic_sequence.rb @@ -26,6 +26,11 @@ class TestArithmeticSequence < Test::Unit::TestCase assert_equal(10, 10.step(to: 1, by: -2).begin) assert_equal(10, 10.step(to: -1, by: -2).begin) assert_equal(10.0, 10.0.step(to: -1.0, by: -2.0).begin) + + assert_equal(3, (3..).step(2).begin) + assert_equal(4, (4...).step(7).begin) + assert_equal(nil, (..10).step(9).begin) + assert_equal(nil, (...11).step(5).begin) end def test_end @@ -44,6 +49,11 @@ class TestArithmeticSequence < Test::Unit::TestCase assert_equal(1, 10.step(to: 1, by: -2).end) assert_equal(-1, 10.step(to: -1, by: -2).end) assert_equal(-1.0, 10.0.step(to: -1.0, by: -2.0).end) + + assert_equal(nil, (3..).step(2).end) + assert_equal(nil, (4...).step(7).end) + assert_equal(10, (..10).step(9).end) + assert_equal(11, (...11).step(5).end) end def test_exclude_end_p @@ -61,6 +71,11 @@ class TestArithmeticSequence < Test::Unit::TestCase assert_equal(false, 10.step(to: 1, by: -1).exclude_end?) assert_equal(false, 10.step(to: 1, by: -2).exclude_end?) assert_equal(false, 10.step(to: -1, by: -2).exclude_end?) + + assert_equal(false, (3..).step(2).exclude_end?) + assert_equal(true, (4...).step(7).exclude_end?) + assert_equal(false, (..10).step(9).exclude_end?) + assert_equal(true, (...11).step(5).exclude_end?) end def test_step @@ -79,6 +94,11 @@ class TestArithmeticSequence < Test::Unit::TestCase assert_equal(-2, 10.step(to: 1, by: -2).step) assert_equal(-2, 10.step(to: -1, by: -2).step) assert_equal(-2.0, 10.0.step(to: -1.0, by: -2.0).step) + + assert_equal(2, (3..).step(2).step) + assert_equal(7, (4...).step(7).step) + assert_equal(9, (..10).step(9).step) + assert_equal(5, (...11).step(5).step) end def test_eq @@ -142,15 +162,20 @@ class TestArithmeticSequence < Test::Unit::TestCase assert_equal([], seq.first(1)) assert_equal([], seq.first(3)) - seq = 1.step(10, by: 0) - assert_equal(1, seq.first) - assert_equal([1], seq.first(1)) - assert_equal([1, 1, 1], seq.first(3)) - seq = 10.0.step(-1.0, by: -2.0) assert_equal(10.0, seq.first) assert_equal([10.0], seq.first(1)) assert_equal([10.0, 8.0, 6.0], seq.first(3)) + + seq = (1..).step(2) + assert_equal(1, seq.first) + assert_equal([1], seq.first(1)) + assert_equal([1, 3, 5], seq.first(3)) + + seq = (..10).step(2) + assert_equal(nil, seq.first) + assert_raise(TypeError) { seq.first(1) } + assert_raise(TypeError) { seq.first(3) } end def test_first_bug15518 @@ -239,6 +264,11 @@ class TestArithmeticSequence < Test::Unit::TestCase assert_instance_of Integer, res[1] end + def test_last_bug17218 + seq = (1.0997r .. 1.1r).step(0.0001r) + assert_equal(1.1r, seq.last, '[ruby-core:100312] [Bug #17218]') + end + def test_to_a assert_equal([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], 1.step(10).to_a) assert_equal([1, 3, 5, 7, 9], 1.step(10, 2).to_a) @@ -254,7 +284,7 @@ class TestArithmeticSequence < Test::Unit::TestCase '[ruby-core:90648] [Bug #15444]') end - def test_last_bug17218 + def test_to_a_bug17218 seq = (1.0997r .. 1.1r).step(0.0001r) assert_equal([1.0997r, 1.0998r, 1.0999r, 1.1r], seq.to_a, '[ruby-core:100312] [Bug #17218]') end @@ -315,9 +345,6 @@ class TestArithmeticSequence < Test::Unit::TestCase [10, 8, 6, 4, 2].each do |i| assert_equal(i, seq.next) end - - seq = ((1/10r)..(1/2r)).step(0) - assert_equal(1/10r, seq.next) end def test_next_bug15444 |