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* test/ruby/test_math.rb (assert_float_and_int): Refactor test cases

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by introducing assert_float_and_int. [misc #10810]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49843 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
gogotanaka 2015-03-04 03:47:06 +00:00
parent 5cd98697f8
commit 1d00e40e0c
2 changed files with 26 additions and 46 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Mar 4 12:43:32 2015 Kazuki Tanaka <gogotanaka@ruby-lang.org>
* test/ruby/test_math.rb (assert_float_and_int): Refactor test cases
by introducing assert_float_and_int. [misc #10810]
Wed Mar 4 11:52:30 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* symbol.c (Init_sym): make dsym_fstrs a hash compared by identity

67
test/ruby/test_math.rb
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@ -17,6 +17,12 @@ class TestMath < Test::Unit::TestCase
end
alias check assert_float
def assert_float_and_int(exp_ary, act_ary)
flo_exp, int_exp, flo_act, int_act = *exp_ary, *act_ary
assert_float(flo_exp, flo_act)
assert_equal(int_exp, int_act)
end
def test_atan2
check(+0.0, Math.atan2(+0.0, +0.0))
check(-0.0, Math.atan2(-0.0, +0.0))
@ -198,16 +204,11 @@ class TestMath < Test::Unit::TestCase
end
def test_frexp
check(0.0, Math.frexp(0.0).first)
assert_equal(0, Math.frexp(0).last)
check(0.5, Math.frexp(0.5).first)
assert_equal(0, Math.frexp(0.5).last)
check(0.5, Math.frexp(1.0).first)
assert_equal(1, Math.frexp(1.0).last)
check(0.5, Math.frexp(2.0).first)
assert_equal(2, Math.frexp(2.0).last)
check(0.75, Math.frexp(3.0).first)
assert_equal(2, Math.frexp(3.0).last)
assert_float_and_int([0.0, 0], Math.frexp(0.0))
assert_float_and_int([0.5, 0], Math.frexp(0.5))
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))
end
def test_ldexp
@ -257,42 +258,16 @@ class TestMath < Test::Unit::TestCase
def test_lgamma
sqrt_pi = Math.sqrt(Math::PI)
g, s = Math.lgamma(-1.5)
check(Math.log(4 * sqrt_pi / 3), g)
assert_equal(s, 1)
g, s = Math.lgamma(-0.5)
check(Math.log(2 * sqrt_pi), g)
assert_equal(s, -1)
g, s = Math.lgamma(0.5)
check(Math.log(sqrt_pi), g)
assert_equal(s, 1)
assert_equal([0, 1], Math.lgamma(1))
g, s = Math.lgamma(1.5)
check(Math.log(sqrt_pi / 2), g)
assert_equal(s, 1)
assert_equal([0, 1], Math.lgamma(2))
g, s = Math.lgamma(2.5)
check(Math.log(3 * sqrt_pi / 4), g)
assert_equal(s, 1)
g, s = Math.lgamma(3)
check(Math.log(2), g)
assert_equal(s, 1)
g, s = Math.lgamma(3.5)
check(Math.log(15 * sqrt_pi / 8), g)
assert_equal(s, 1)
g, s = Math.lgamma(4)
check(Math.log(6), g)
assert_equal(s, 1)
assert_float_and_int([Math.log(4 * sqrt_pi / 3), 1], Math.lgamma(-1.5))
assert_float_and_int([Math.log(2 * sqrt_pi), -1], Math.lgamma(-0.5))
assert_float_and_int([Math.log(sqrt_pi), 1], Math.lgamma(0.5))
assert_float_and_int([0, 1], Math.lgamma(1))
assert_float_and_int([Math.log(sqrt_pi / 2), 1], Math.lgamma(1.5))
assert_float_and_int([0, 1], Math.lgamma(2))
assert_float_and_int([Math.log(3 * sqrt_pi / 4), 1], Math.lgamma(2.5))
assert_float_and_int([Math.log(2), 1], Math.lgamma(3))
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) }
end