diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/ruby/test_numeric.rb | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/test/ruby/test_numeric.rb b/test/ruby/test_numeric.rb index b99ce988a1..66f11ab801 100644 --- a/test/ruby/test_numeric.rb +++ b/test/ruby/test_numeric.rb @@ -243,17 +243,32 @@ class TestNumeric < Test::Unit::TestCase end def test_step + i, bignum = 32, 1 << 30 + bignum <<= (i <<= 1) - 32 until bignum.is_a?(Bignum) assert_raise(ArgumentError) { 1.step(10, 1, 0) { } } assert_raise(ArgumentError) { 1.step(10, 0) { } } + assert_equal(bignum*2+1, (-bignum).step(bignum, 1).size) + assert_equal(bignum*2, (-bignum).step(bignum-1, 1).size) + + assert_equal(10+1, (0.0).step(10.0, 1.0).size) + + i, bigflo = 1, bignum.to_f + i <<= 1 until (bigflo - i).to_i < bignum + bigflo -= i >> 1 + assert_equal(bigflo.to_i, (0.0).step(bigflo-1.0, 1.0).size) + assert_operator((0.0).step(bignum.to_f, 1.0).size, :>=, bignum) # may loose precision + assert_step [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 10] assert_step [1, 3, 5, 7, 9], [1, 10, 2] assert_step [10, 8, 6, 4, 2], [10, 1, -2] assert_step [1.0, 3.0, 5.0, 7.0, 9.0], [1.0, 10.0, 2.0] - assert_step [1], [1, 10, 2**32] + assert_step [1], [1, 10, bignum] - assert_step [10], [10, 1, -(2**32)] + assert_step [], [2, 1, 3] + assert_step [], [-2, -1, -3] + assert_step [10], [10, 1, -(bignum)] assert_step [], [1, 0, Float::INFINITY] assert_step [], [0, 1, -Float::INFINITY] |