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-rw-r--r--test/ruby/test_math.rb55
1 files changed, 38 insertions, 17 deletions
diff --git a/test/ruby/test_math.rb b/test/ruby/test_math.rb
index f226287442..73f44c6ae3 100644
--- a/test/ruby/test_math.rb
+++ b/test/ruby/test_math.rb
@@ -73,9 +73,9 @@ class TestMath < Test::Unit::TestCase
check(1 * Math::PI / 4, Math.acos( 1.0 / Math.sqrt(2)))
check(2 * Math::PI / 4, Math.acos( 0.0))
check(4 * Math::PI / 4, Math.acos(-1.0))
- assert_raise(Math::DomainError) { Math.acos(+1.0 + Float::EPSILON) }
- assert_raise(Math::DomainError) { Math.acos(-1.0 - Float::EPSILON) }
- assert_raise(Math::DomainError) { Math.acos(2.0) }
+ assert_raise_with_message(Math::DomainError, /\bacos\b/) { Math.acos(+1.0 + Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\bacos\b/) { Math.acos(-1.0 - Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\bacos\b/) { Math.acos(2.0) }
end
def test_asin
@@ -83,9 +83,9 @@ class TestMath < Test::Unit::TestCase
check( 1 * Math::PI / 4, Math.asin( 1.0 / Math.sqrt(2)))
check( 2 * Math::PI / 4, Math.asin( 1.0))
check(-2 * Math::PI / 4, Math.asin(-1.0))
- assert_raise(Math::DomainError) { Math.asin(+1.0 + Float::EPSILON) }
- assert_raise(Math::DomainError) { Math.asin(-1.0 - Float::EPSILON) }
- assert_raise(Math::DomainError) { Math.asin(2.0) }
+ assert_raise_with_message(Math::DomainError, /\basin\b/) { Math.asin(+1.0 + Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\basin\b/) { Math.asin(-1.0 - Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\basin\b/) { Math.asin(2.0) }
end
def test_atan
@@ -119,8 +119,8 @@ class TestMath < Test::Unit::TestCase
check(0, Math.acosh(1))
check(1, Math.acosh((Math::E ** 1 + Math::E ** -1) / 2))
check(2, Math.acosh((Math::E ** 2 + Math::E ** -2) / 2))
- assert_raise(Math::DomainError) { Math.acosh(1.0 - Float::EPSILON) }
- assert_raise(Math::DomainError) { Math.acosh(0) }
+ assert_raise_with_message(Math::DomainError, /\bacosh\b/) { Math.acosh(1.0 - Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\bacosh\b/) { Math.acosh(0) }
end
def test_asinh
@@ -135,8 +135,8 @@ class TestMath < Test::Unit::TestCase
check(2, Math.atanh(Math.sinh(2) / Math.cosh(2)))
assert_nothing_raised { assert_infinity(Math.atanh(1)) }
assert_nothing_raised { assert_infinity(-Math.atanh(-1)) }
- assert_raise(Math::DomainError) { Math.atanh(+1.0 + Float::EPSILON) }
- assert_raise(Math::DomainError) { Math.atanh(-1.0 - Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\batanh\b/) { Math.atanh(+1.0 + Float::EPSILON) }
+ assert_raise_with_message(Math::DomainError, /\batanh\b/) { Math.atanh(-1.0 - Float::EPSILON) }
end
def test_exp
@@ -157,10 +157,14 @@ class TestMath < Test::Unit::TestCase
assert_nothing_raised { assert_infinity(Math.log(1.0/0)) }
assert_nothing_raised { assert_infinity(-Math.log(+0.0)) }
assert_nothing_raised { assert_infinity(-Math.log(-0.0)) }
- assert_raise(Math::DomainError) { Math.log(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog\b/) { Math.log(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog\b/) { Math.log(-Float::EPSILON) }
assert_raise(TypeError) { Math.log(1,nil) }
- assert_raise(Math::DomainError, '[ruby-core:62309] [ruby-Bug #9797]') { Math.log(1.0, -1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog\b/, '[ruby-core:62309] [ruby-Bug #9797]') { Math.log(1.0, -1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog\b/) { Math.log(1.0, -Float::EPSILON) }
assert_nothing_raised { assert_nan(Math.log(0.0, 0.0)) }
+ assert_nothing_raised { assert_nan(Math.log(Float::NAN)) }
+ assert_nothing_raised { assert_nan(Math.log(1.0, Float::NAN)) }
end
def test_log2
@@ -172,7 +176,9 @@ class TestMath < Test::Unit::TestCase
assert_nothing_raised { assert_infinity(Math.log2(1.0/0)) }
assert_nothing_raised { assert_infinity(-Math.log2(+0.0)) }
assert_nothing_raised { assert_infinity(-Math.log2(-0.0)) }
- assert_raise(Math::DomainError) { Math.log2(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog2\b/) { Math.log2(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog2\b/) { Math.log2(-Float::EPSILON) }
+ assert_nothing_raised { assert_nan(Math.log2(Float::NAN)) }
end
def test_log10
@@ -184,7 +190,9 @@ class TestMath < Test::Unit::TestCase
assert_nothing_raised { assert_infinity(Math.log10(1.0/0)) }
assert_nothing_raised { assert_infinity(-Math.log10(+0.0)) }
assert_nothing_raised { assert_infinity(-Math.log10(-0.0)) }
- assert_raise(Math::DomainError) { Math.log10(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog10\b/) { Math.log10(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\blog10\b/) { Math.log10(-Float::EPSILON) }
+ assert_nothing_raised { assert_nan(Math.log10(Float::NAN)) }
end
def test_sqrt
@@ -193,7 +201,9 @@ class TestMath < Test::Unit::TestCase
check(2, Math.sqrt(4))
assert_nothing_raised { assert_infinity(Math.sqrt(1.0/0)) }
assert_equal("0.0", Math.sqrt(-0.0).to_s) # insure it is +0.0, not -0.0
- assert_raise(Math::DomainError) { Math.sqrt(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\bsqrt\b/) { Math.sqrt(-1.0) }
+ assert_raise_with_message(Math::DomainError, /\bsqrt\b/) { Math.sqrt(-Float::EPSILON) }
+ assert_nothing_raised { assert_nan(Math.sqrt(Float::NAN)) }
end
def test_cbrt
@@ -201,7 +211,11 @@ class TestMath < Test::Unit::TestCase
check(-2, Math.cbrt(-8))
check(3, Math.cbrt(27))
check(-0.1, Math.cbrt(-0.001))
+ check(0.0, Math.cbrt(0.0))
assert_nothing_raised { assert_infinity(Math.cbrt(1.0/0)) }
+ assert_operator(Math.cbrt(1.0 - Float::EPSILON), :<=, 1.0)
+ assert_nothing_raised { assert_nan(Math.sqrt(Float::NAN)) }
+ assert_nothing_raised { assert_nan(Math.cbrt(Float::NAN)) }
end
def test_frexp
@@ -210,6 +224,7 @@ class TestMath < Test::Unit::TestCase
assert_float_and_int([0.5, 1], Math.frexp(1.0))
assert_float_and_int([0.5, 2], Math.frexp(2.0))
assert_float_and_int([0.75, 2], Math.frexp(3.0))
+ assert_nan(Math.frexp(Float::NAN)[0])
end
def test_ldexp
@@ -227,11 +242,13 @@ class TestMath < Test::Unit::TestCase
def test_erf
check(0, Math.erf(0))
check(1, Math.erf(1.0 / 0.0))
+ assert_nan(Math.erf(Float::NAN))
end
def test_erfc
check(1, Math.erfc(0))
check(0, Math.erfc(1.0 / 0.0))
+ assert_nan(Math.erfc(Float::NAN))
end
def test_gamma
@@ -256,11 +273,13 @@ class TestMath < Test::Unit::TestCase
assert_infinity(Math.gamma(i-1), "Math.gamma(#{i-1}) should be INF")
end
- assert_raise(Math::DomainError) { Math.gamma(-Float::INFINITY) }
+ assert_raise_with_message(Math::DomainError, /\bgamma\b/) { Math.gamma(-Float::INFINITY) }
+ assert_raise_with_message(Math::DomainError, /\bgamma\b/) { Math.gamma(-1.0) }
x = Math.gamma(-0.0)
mesg = "Math.gamma(-0.0) should be -INF"
assert_infinity(x, mesg)
assert_predicate(x, :negative?, mesg)
+ assert_nan(Math.gamma(Float::NAN))
end
def test_lgamma
@@ -276,12 +295,14 @@ class TestMath < Test::Unit::TestCase
assert_float_and_int([Math.log(15 * sqrt_pi / 8), 1], Math.lgamma(3.5))
assert_float_and_int([Math.log(6), 1], Math.lgamma(4))
- assert_raise(Math::DomainError) { Math.lgamma(-Float::INFINITY) }
+ assert_raise_with_message(Math::DomainError, /\blgamma\b/) { Math.lgamma(-Float::INFINITY) }
x, sign = Math.lgamma(-0.0)
mesg = "Math.lgamma(-0.0) should be [INF, -1]"
assert_infinity(x, mesg)
assert_predicate(x, :positive?, mesg)
assert_equal(-1, sign, mesg)
+ x, sign = Math.lgamma(Float::NAN)
+ assert_nan(x)
end
def test_fixnum_to_f
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-07 01:11:25 +0000