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-rw-r--r--test/ruby/test_numeric.rb130
1 files changed, 99 insertions, 31 deletions
diff --git a/test/ruby/test_numeric.rb b/test/ruby/test_numeric.rb
index 4e5404aa4a..35496ac875 100644
--- a/test/ruby/test_numeric.rb
+++ b/test/ruby/test_numeric.rb
@@ -18,14 +18,24 @@ class TestNumeric < Test::Unit::TestCase
assert_raise_with_message(TypeError, /can't be coerced into /) {1|:foo}
assert_raise_with_message(TypeError, /can't be coerced into /) {1^:foo}
- assert_raise_with_message(TypeError, /:\u{3042}/) {1+:"\u{3042}"}
- assert_raise_with_message(TypeError, /:\u{3042}/) {1&:"\u{3042}"}
- assert_raise_with_message(TypeError, /:\u{3042}/) {1|:"\u{3042}"}
- assert_raise_with_message(TypeError, /:\u{3042}/) {1^:"\u{3042}"}
- assert_raise_with_message(TypeError, /:"\\u3042"/) {1+:"\u{3042}"}
- assert_raise_with_message(TypeError, /:"\\u3042"/) {1&:"\u{3042}"}
- assert_raise_with_message(TypeError, /:"\\u3042"/) {1|:"\u{3042}"}
- assert_raise_with_message(TypeError, /:"\\u3042"/) {1^:"\u{3042}"}
+ EnvUtil.with_default_internal(Encoding::UTF_8) do
+ assert_raise_with_message(TypeError, /:\u{3042}/) {1+:"\u{3042}"}
+ assert_raise_with_message(TypeError, /:\u{3042}/) {1&:"\u{3042}"}
+ assert_raise_with_message(TypeError, /:\u{3042}/) {1|:"\u{3042}"}
+ assert_raise_with_message(TypeError, /:\u{3042}/) {1^:"\u{3042}"}
+
+ assert_raise_with_message(TypeError, /:\u{3044}/) {1+"\u{3044}".to_sym}
+ assert_raise_with_message(TypeError, /:\u{3044}/) {1&"\u{3044}".to_sym}
+ assert_raise_with_message(TypeError, /:\u{3044}/) {1|"\u{3044}".to_sym}
+ assert_raise_with_message(TypeError, /:\u{3044}/) {1^"\u{3044}".to_sym}
+ end
+
+ EnvUtil.with_default_internal(Encoding::US_ASCII) do
+ assert_raise_with_message(TypeError, /:"\\u3042"/) {1+:"\u{3042}"}
+ assert_raise_with_message(TypeError, /:"\\u3042"/) {1&:"\u{3042}"}
+ assert_raise_with_message(TypeError, /:"\\u3042"/) {1|:"\u{3042}"}
+ assert_raise_with_message(TypeError, /:"\\u3042"/) {1^:"\u{3042}"}
+ end
bug10711 = '[ruby-core:67405] [Bug #10711]'
exp = "1.2 can't be coerced into Integer"
@@ -196,6 +206,14 @@ class TestNumeric < Test::Unit::TestCase
assert_nil(a <=> :foo)
end
+ def test_float_round_ndigits
+ bug14635 = "[ruby-core:86323]"
+ f = 0.5
+ 31.times do |i|
+ assert_equal(0.5, f.round(i+1), bug14635 + " (argument: #{i+1})")
+ end
+ end
+
def test_floor_ceil_round_truncate
a = Class.new(Numeric) do
def to_f; 1.5; end
@@ -225,8 +243,18 @@ class TestNumeric < Test::Unit::TestCase
assert_equal(-1, a.truncate)
end
+ def test_floor_ceil_ndigits
+ bug17183 = "[ruby-core:100090]"
+ f = 291.4
+ 31.times do |i|
+ assert_equal(291.4, f.floor(i+1), bug17183)
+ assert_equal(291.4, f.ceil(i+1), bug17183)
+ end
+ end
+
def assert_step(expected, (from, *args), inf: false)
- enum = from.step(*args)
+ kw = args.last.is_a?(Hash) ? args.pop : {}
+ enum = from.step(*args, **kw)
size = enum.size
xsize = expected.size
@@ -235,7 +263,7 @@ class TestNumeric < Test::Unit::TestCase
assert_send [size, :>, 0], "step size: +infinity"
a = []
- from.step(*args) { |x| a << x; break if a.size == xsize }
+ from.step(*args, **kw) { |x| a << x; break if a.size == xsize }
assert_equal expected, a, "step"
a = []
@@ -245,7 +273,7 @@ class TestNumeric < Test::Unit::TestCase
assert_equal expected.size, size, "step size"
a = []
- from.step(*args) { |x| a << x }
+ from.step(*args, **kw) { |x| a << x }
assert_equal expected, a, "step"
a = []
@@ -262,12 +290,7 @@ class TestNumeric < Test::Unit::TestCase
assert_raise(ArgumentError) { 1.step(10, "1") { } }
assert_raise(ArgumentError) { 1.step(10, "1").size }
assert_raise(TypeError) { 1.step(10, nil) { } }
- assert_nothing_raised { 1.step(10, 0).size }
assert_nothing_raised { 1.step(10, nil).size }
- assert_nothing_raised { 1.step(by: 0, to: nil) }
- assert_nothing_raised { 1.step(by: 0, to: nil).size }
- assert_nothing_raised { 1.step(by: 0) }
- assert_nothing_raised { 1.step(by: 0).size }
assert_nothing_raised { 1.step(by: nil) }
assert_nothing_raised { 1.step(by: nil).size }
@@ -287,6 +310,30 @@ class TestNumeric < Test::Unit::TestCase
assert_raise(ArgumentError, bug9811) { 1.step(10, 1, by: 11) {} }
assert_raise(ArgumentError, bug9811) { 1.step(10, 1, by: 11).size }
+ feature15573 = "[ruby-core:91324] [Feature #15573]"
+ assert_raise(ArgumentError, feature15573) { 1.step(10, 0) }
+ assert_raise(ArgumentError, feature15573) { 1.step(10, by: 0) }
+ assert_raise(ArgumentError, feature15573) { 1.step(10, 0) { break } }
+ assert_raise(ArgumentError, feature15573) { 1.step(10, by: 0) { break } }
+ assert_raise(ArgumentError, feature15573) { 42.step(by: 0, to: -Float::INFINITY) }
+ assert_raise(ArgumentError, feature15573) { 42.step(by: 0, to: 42.5) }
+ assert_raise(ArgumentError, feature15573) { 4.2.step(by: 0.0) }
+ assert_raise(ArgumentError, feature15573) { 4.2.step(by: -0.0) }
+ assert_raise(ArgumentError, feature15573) { 42.step(by: 0.0, to: 44) }
+ assert_raise(ArgumentError, feature15573) { 42.step(by: 0.0, to: 0) }
+ assert_raise(ArgumentError, feature15573) { 42.step(by: -0.0, to: 44) }
+ assert_raise(ArgumentError, feature15573) { bignum.step(by: 0) }
+ assert_raise(ArgumentError, feature15573) { bignum.step(by: 0.0) }
+ assert_raise(ArgumentError, feature15573) { bignum.step(by: 0, to: bignum+1) }
+ assert_raise(ArgumentError, feature15573) { bignum.step(by: 0, to: 0) }
+
+ e = 1.step(10, {by: "1"})
+ assert_raise(TypeError) {e.next}
+ assert_raise(TypeError) {e.size}
+ e = 1.step(to: "10")
+ assert_raise(ArgumentError) {e.next}
+ assert_raise(ArgumentError) {e.size}
+
assert_equal(bignum*2+1, (-bignum).step(bignum, 1).size)
assert_equal(bignum*2, (-bignum).step(bignum-1, 1).size)
@@ -312,8 +359,6 @@ class TestNumeric < Test::Unit::TestCase
assert_step [], [2, 1, 3]
assert_step [], [-2, -1, -3]
- assert_step [3, 3, 3, 3], [3, by: 0], inf: true
- assert_step [3, 3, 3, 3], [3, by: 0, to: 42], inf: true
assert_step [10], [10, 1, -bignum]
assert_step [], [1, 0, Float::INFINITY]
@@ -323,19 +368,6 @@ class TestNumeric < Test::Unit::TestCase
assert_step [10, 11, 12, 13], [10], inf: true
assert_step [10, 9, 8, 7], [10, by: -1], inf: true
assert_step [10, 9, 8, 7], [10, by: -1, to: nil], inf: true
-
- assert_step [42, 42, 42, 42], [42, by: 0, to: -Float::INFINITY], inf: true
- assert_step [42, 42, 42, 42], [42, by: 0, to: 42.5], inf: true
- assert_step [4.2, 4.2, 4.2, 4.2], [4.2, by: 0.0], inf: true
- assert_step [4.2, 4.2, 4.2, 4.2], [4.2, by: -0.0], inf: true
- assert_step [42.0, 42.0, 42.0, 42.0], [42, by: 0.0, to: 44], inf: true
- assert_step [42.0, 42.0, 42.0, 42.0], [42, by: 0.0, to: 0], inf: true
- assert_step [42.0, 42.0, 42.0, 42.0], [42, by: -0.0, to: 44], inf: true
-
- assert_step [bignum]*4, [bignum, by: 0], inf: true
- assert_step [bignum]*4, [bignum, by: 0.0], inf: true
- assert_step [bignum]*4, [bignum, by: 0, to: bignum+1], inf: true
- assert_step [bignum]*4, [bignum, by: 0, to: 0], inf: true
end
def test_step_bug15537
@@ -378,6 +410,18 @@ class TestNumeric < Test::Unit::TestCase
end;
end
+ def test_remainder_infinity
+ assert_equal(4, 4.remainder(Float::INFINITY))
+ assert_equal(4, 4.remainder(-Float::INFINITY))
+ assert_equal(-4, -4.remainder(Float::INFINITY))
+ assert_equal(-4, -4.remainder(-Float::INFINITY))
+
+ assert_equal(4.2, 4.2.remainder(Float::INFINITY))
+ assert_equal(4.2, 4.2.remainder(-Float::INFINITY))
+ assert_equal(-4.2, -4.2.remainder(Float::INFINITY))
+ assert_equal(-4.2, -4.2.remainder(-Float::INFINITY))
+ end
+
def test_comparison_comparable
bug12864 = '[ruby-core:77713] [Bug #12864]'
@@ -425,6 +469,30 @@ class TestNumeric < Test::Unit::TestCase
assert_equal(12, 12.pow(1, 10000000001), '[Bug #14259]')
assert_equal(12, 12.pow(1, 10000000002), '[Bug #14259]')
assert_equal(17298641040, 12.pow(72387894339363242, 243682743764), '[Bug #14259]')
+
+ integers = [-2, -1, 0, 1, 2, 3, 6, 1234567890123456789]
+ integers.each do |i|
+ assert_equal(0, i.pow(0, 1), '[Bug #17257]')
+ assert_equal(1, i.pow(0, 2))
+ assert_equal(1, i.pow(0, 3))
+ assert_equal(1, i.pow(0, 6))
+ assert_equal(1, i.pow(0, 1234567890123456789))
+
+ assert_equal(0, i.pow(0, -1))
+ assert_equal(-1, i.pow(0, -2))
+ assert_equal(-2, i.pow(0, -3))
+ assert_equal(-5, i.pow(0, -6))
+ assert_equal(-1234567890123456788, i.pow(0, -1234567890123456789))
+ end
+
+ assert_equal(0, 0.pow(2, 1))
+ assert_equal(0, 0.pow(3, 1))
+ assert_equal(0, 2.pow(3, 1))
+ assert_equal(0, -2.pow(3, 1))
+
+ min, max = RbConfig::LIMITS.values_at("FIXNUM_MIN", "FIXNUM_MAX")
+ assert_equal(0, 0.pow(2, min))
+ assert_equal(0, Integer.sqrt(max+1).pow(2, min))
end
end