diff options
author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-12-10 07:49:15 +0000 |
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committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-12-10 07:49:15 +0000 |
commit | 8e1293730e372b0cb5ebad818129f7bbe295477d (patch) | |
tree | 24475b84998b3b32f36c109f7a671fe6998bd9ef /test | |
parent | 2dd993072efcf24cf95ed65d5a021cb73ea8d443 (diff) | |
download | ruby-8e1293730e372b0cb5ebad818129f7bbe295477d.tar.gz |
bigdecimal: import version 1.3.0.pre
Import bigdecimal version 1.3.0.pre. The full commit log of this
changes can be found at:
https://github.com/ruby/bigdecimal/compare/5c43a9e...v1.3.0.pre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57040 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/bigdecimal/test_bigdecimal.rb | 276 |
1 files changed, 217 insertions, 59 deletions
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index 63a3e2747d..dd22997efd 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -53,17 +53,16 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(1, BigDecimal("1")) assert_equal(1, BigDecimal("1", 1)) assert_raise(ArgumentError) { BigDecimal("1", -1) } - assert_raise(ArgumentError) { BigDecimal(4.2) } - begin - BigDecimal(4.2) - rescue ArgumentError => error - assert_match(/Float/, error.message) - end - assert_raise(ArgumentError) { BigDecimal(42.quo(7)) } - begin - BigDecimal(42.quo(7)) - rescue ArgumentError => error - assert_match(/Rational/, error.message) + end + + def test_global_new_with_invalid_string + [ + '', '.', 'e1', 'd1', '.e', '.d', '1.e', '1.d', '.1e', '.1d', + 'invlaid value' + ].each do |invalid_string| + assert_raise_with_message(ArgumentError, %Q[invalid value for BigDecimal(): "#{invalid_string}"]) do + BigDecimal(invalid_string) + end end end @@ -77,18 +76,28 @@ class TestBigDecimal < Test::Unit::TestCase def test_global_new_with_rational assert_equal(BigDecimal("0.333333333333333333333"), BigDecimal(1.quo(3), 21)) assert_equal(BigDecimal("-0.333333333333333333333"), BigDecimal(-1.quo(3), 21)) - assert_raise(ArgumentError) { BigDecimal(1.quo(3)) } + assert_raise_with_message(ArgumentError, "can't omit precision for a Rational.") { BigDecimal(42.quo(7)) } end def test_global_new_with_float assert_equal(BigDecimal("0.1235"), BigDecimal(0.1234567, 4)) assert_equal(BigDecimal("-0.1235"), BigDecimal(-0.1234567, 4)) - assert_raise(ArgumentError) { BigDecimal(0.1) } + assert_raise_with_message(ArgumentError, "can't omit precision for a Float.") { BigDecimal(4.2) } assert_raise(ArgumentError) { BigDecimal(0.1, Float::DIG + 2) } assert_nothing_raised { BigDecimal(0.1, Float::DIG + 1) } bug9214 = '[ruby-core:58858]' assert_equal(BigDecimal(-0.0, Float::DIG).sign, -1, bug9214) + + BigDecimal.save_exception_mode do + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + assert_nan(BigDecimal(Float::NAN)) + end + BigDecimal.save_exception_mode do + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + assert_positive_infinite(BigDecimal(Float::INFINITY)) + assert_negative_infinite(BigDecimal(-Float::INFINITY)) + end end def test_global_new_with_big_decimal @@ -116,15 +125,16 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(1, BigDecimal.new("1", 1)) assert_equal(1, BigDecimal.new(" 1 ")) assert_equal(111, BigDecimal.new("1_1_1_")) - assert_equal(0, BigDecimal.new("_1_1_1")) assert_equal(10**(-1), BigDecimal.new("1E-1"), '#4825') + assert_raise(ArgumentError, /"_1_1_1"/) { BigDecimal.new("_1_1_1") } + BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, false) BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) - assert_equal( 1, BigDecimal.new("Infinity").infinite?) - assert_equal(-1, BigDecimal.new("-Infinity").infinite?) - assert_equal(true, BigDecimal.new("NaN").nan?) - assert_equal( 1, BigDecimal.new("1E1111111111111111111").infinite?) + assert_positive_infinite(BigDecimal.new("Infinity")) + assert_negative_infinite(BigDecimal.new("-Infinity")) + assert_nan(BigDecimal.new("NaN")) + assert_positive_infinite(BigDecimal.new("1E1111111111111111111")) end def test_new_with_integer @@ -392,14 +402,28 @@ class TestBigDecimal < Test::Unit::TestCase end def test_zero_p + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + assert_equal(true, BigDecimal.new("0").zero?) + assert_equal(true, BigDecimal.new("-0").zero?) assert_equal(false, BigDecimal.new("1").zero?) assert_equal(true, BigDecimal.new("0E200000000000000").zero?) + assert_equal(false, BigDecimal.new("Infinity").zero?) + assert_equal(false, BigDecimal.new("-Infinity").zero?) + assert_equal(false, BigDecimal.new("NaN").zero?) end def test_nonzero_p + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + assert_equal(nil, BigDecimal.new("0").nonzero?) + assert_equal(nil, BigDecimal.new("-0").nonzero?) assert_equal(BigDecimal.new("1"), BigDecimal.new("1").nonzero?) + assert_positive_infinite(BigDecimal.new("Infinity").nonzero?) + assert_negative_infinite(BigDecimal.new("-Infinity").nonzero?) + assert_nan(BigDecimal.new("NaN").nonzero?) end def test_double_fig @@ -457,18 +481,8 @@ class TestBigDecimal < Test::Unit::TestCase BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) assert_equal(nil, BigDecimal.new("NaN") <=> n1) assert_equal(false, BigDecimal.new("NaN") > n1) - end - - def test_cmp_float_nan - assert_equal(nil, BigDecimal.new("1") <=> Float::NAN) - end - - def test_cmp_float_pos_inf - assert_equal(-1, BigDecimal.new("1") <=> Float::INFINITY) - end - - def test_cmp_float_neg_inf - assert_equal(+1, BigDecimal.new("1") <=> -Float::INFINITY) + assert_equal(nil, BigDecimal.new("NaN") <=> BigDecimal.new("NaN")) + assert_equal(false, BigDecimal.new("NaN") == BigDecimal.new("NaN")) end def test_cmp_failing_coercion @@ -493,6 +507,11 @@ class TestBigDecimal < Test::Unit::TestCase assert_operator(n2, :>, o1) assert_operator(n2, :>=, o1) assert_operator(n1, :>=, 1) + + bug10109 = '[ruby-core:64190]' + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + assert_operator(BigDecimal(0), :<, Float::INFINITY, bug10109) + assert_operator(Float::INFINITY, :>, BigDecimal(0), bug10109) end def test_cmp_bignum @@ -582,7 +601,7 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(0.0, x.to_f) assert_equal( 1.0 / 0.0, ( 1 / x).to_f) assert_equal(-1.0 / 0.0, (-1 / x).to_f) - assert_equal(true, ( 0 / x).to_f.nan?) + assert_nan(( 0 / x).to_f) x = BigDecimal.new("1") assert_equal(1.0, x.to_f) x = BigDecimal.new((2**100).to_s) @@ -632,6 +651,22 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(-0.0, BigDecimal('-10e-325').to_f) end + def test_to_r + BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, false) + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + + x = BigDecimal.new("0") + assert_kind_of(Rational, x.to_r) + assert_equal(0, x.to_r) + assert_raise(FloatDomainError) {( 1 / x).to_r} + assert_raise(FloatDomainError) {(-1 / x).to_r} + assert_raise(FloatDomainError) {( 0 / x).to_r} + + assert_equal(1, BigDecimal.new("1").to_r) + assert_equal(Rational(3, 2), BigDecimal.new("1.5").to_r) + assert_equal((2**100).to_r, BigDecimal.new((2**100).to_s).to_r) + end + def test_coerce a, b = BigDecimal.new("1").coerce(1.0) assert_instance_of(BigDecimal, a) @@ -654,6 +689,18 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(x, x.send(:+@)) end + def test_neg + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + + assert_equal(BigDecimal.new("-1"), BigDecimal.new("1").send(:-@)) + assert_equal(BigDecimal.new("-0"), BigDecimal.new("0").send(:-@)) + assert_equal(BigDecimal.new("0"), BigDecimal.new("-0").send(:-@)) + assert_equal(BigDecimal.new("-Infinity"), BigDecimal.new("Infinity").send(:-@)) + assert_equal(BigDecimal.new("Infinity"), BigDecimal.new("-Infinity").send(:-@)) + assert_equal(true, BigDecimal.new("NaN").send(:-@).nan?) + end + def test_add x = BigDecimal.new("1") assert_equal(BigDecimal.new("2"), x + x) @@ -666,6 +713,14 @@ class TestBigDecimal < Test::Unit::TestCase x = BigDecimal.new((2**100).to_s) assert_equal(BigDecimal.new((2**100+1).to_s), x + 1) + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + inf = BigDecimal("Infinity") + neginf = BigDecimal("-Infinity") + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, true) + assert_raise_with_message(FloatDomainError, "Computation results to 'Infinity'") { inf + inf } + assert_raise_with_message(FloatDomainError, "Computation results to '-Infinity'") { neginf + neginf } end def test_sub @@ -680,6 +735,14 @@ class TestBigDecimal < Test::Unit::TestCase x = BigDecimal.new((2**100).to_s) assert_equal(BigDecimal.new((2**100-1).to_s), x - 1) + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + inf = BigDecimal("Infinity") + neginf = BigDecimal("-Infinity") + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, true) + assert_raise_with_message(FloatDomainError, "Computation results to 'Infinity'") { inf - neginf } + assert_raise_with_message(FloatDomainError, "Computation results to '-Infinity'") { neginf - inf } end def test_sub_with_float @@ -696,6 +759,14 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(x, (x * 1).to_i) assert_equal(x, (BigDecimal("1") * x).to_i) assert_equal(BigDecimal.new((2**200).to_s), (x * x).to_i) + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + inf = BigDecimal("Infinity") + neginf = BigDecimal("-Infinity") + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, true) + assert_raise_with_message(FloatDomainError, "Computation results to 'Infinity'") { inf * inf } + assert_raise_with_message(FloatDomainError, "Computation results to '-Infinity'") { neginf * inf } end def test_mult_with_float @@ -723,6 +794,17 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(BigDecimal('1486.868686869'), BigDecimal('1472.0') / BigDecimal('0.99'), '[ruby-core:59365] [#9316]') assert_equal(4.124045235, BigDecimal('0.9932') / (700 * BigDecimal('0.344045') / BigDecimal('1000.0')), '[#9305]') + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + assert_positive_zero(BigDecimal.new("1.0") / BigDecimal.new("Infinity")) + assert_negative_zero(BigDecimal.new("-1.0") / BigDecimal.new("Infinity")) + assert_negative_zero(BigDecimal.new("1.0") / BigDecimal.new("-Infinity")) + assert_positive_zero(BigDecimal.new("-1.0") / BigDecimal.new("-Infinity")) + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, true) + BigDecimal.mode(BigDecimal::EXCEPTION_ZERODIVIDE, false) + assert_raise_with_message(FloatDomainError, "Computation results to 'Infinity'") { BigDecimal.new("1") / 0 } + assert_raise_with_message(FloatDomainError, "Computation results to '-Infinity'") { BigDecimal.new("-1") / 0 } end def test_div_with_float @@ -807,12 +889,6 @@ class TestBigDecimal < Test::Unit::TestCase BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) assert_equal(0, BigDecimal("0").div(BigDecimal("Infinity"))) end - - x = BigDecimal.new("1") - y = BigDecimal.new("0.22") - (2..20).each do |i| - assert_equal ("0."+"45"*(i/2)+"5"*(i%2)+"E1"), x.div(y, i).to_s, "#{i}" - end end def test_abs_bigdecimal @@ -822,9 +898,18 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(1267650600228229401496703205376, x.abs) x = BigDecimal.new("0") assert_equal(0, x.abs) + x = BigDecimal.new("-0") + assert_equal(0, x.abs) + + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + x = BigDecimal.new("Infinity") + assert_equal(BigDecimal.new("Infinity"), x.abs) + x = BigDecimal.new("-Infinity") + assert_equal(BigDecimal.new("Infinity"), x.abs) + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) x = BigDecimal.new("NaN") - assert_equal(true, x.abs.nan?) + assert_nan(x.abs) end def test_sqrt_bigdecimal @@ -837,16 +922,19 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(true, (x.sqrt(200) - y).abs < BigDecimal("1E#{e-200}")) assert_equal(true, (x.sqrt(300) - y).abs < BigDecimal("1E#{e-300}")) x = BigDecimal.new("-" + (2**100).to_s) - assert_raise(FloatDomainError) { x.sqrt(1) } + assert_raise_with_message(FloatDomainError, "sqrt of negative value") { x.sqrt(1) } x = BigDecimal.new((2**200).to_s) assert_equal(2**100, x.sqrt(1)) BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, false) BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) - assert_raise(FloatDomainError) { BigDecimal.new("NaN").sqrt(1) } + assert_raise_with_message(FloatDomainError, "sqrt of 'NaN'(Not a Number)") { BigDecimal.new("NaN").sqrt(1) } + assert_raise_with_message(FloatDomainError, "sqrt of negative value") { BigDecimal.new("-Infinity").sqrt(1) } assert_equal(0, BigDecimal.new("0").sqrt(1)) + assert_equal(0, BigDecimal.new("-0").sqrt(1)) assert_equal(1, BigDecimal.new("1").sqrt(1)) + assert_positive_infinite(BigDecimal.new("Infinity").sqrt(1)) end def test_sqrt_5266 @@ -866,6 +954,7 @@ class TestBigDecimal < Test::Unit::TestCase def test_fix x = BigDecimal.new("1.1") assert_equal(1, x.fix) + assert_kind_of(BigDecimal, x.fix) end def test_frac @@ -873,7 +962,7 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal(0.1, x.frac) assert_equal(0.1, BigDecimal.new("0.1").frac) BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) - assert_equal(true, BigDecimal.new("NaN").frac.nan?) + assert_nan(BigDecimal.new("NaN").frac) end def test_round @@ -921,6 +1010,75 @@ class TestBigDecimal < Test::Unit::TestCase end end + def test_round_half_even + assert_equal(BigDecimal('12.0'), BigDecimal('12.5').round(half: :even)) + assert_equal(BigDecimal('14.0'), BigDecimal('13.5').round(half: :even)) + + assert_equal(BigDecimal('2.2'), BigDecimal('2.15').round(1, half: :even)) + assert_equal(BigDecimal('2.2'), BigDecimal('2.25').round(1, half: :even)) + assert_equal(BigDecimal('2.4'), BigDecimal('2.35').round(1, half: :even)) + + assert_equal(BigDecimal('-2.2'), BigDecimal('-2.15').round(1, half: :even)) + assert_equal(BigDecimal('-2.2'), BigDecimal('-2.25').round(1, half: :even)) + assert_equal(BigDecimal('-2.4'), BigDecimal('-2.35').round(1, half: :even)) + + assert_equal(BigDecimal('7.1364'), BigDecimal('7.13645').round(4, half: :even)) + assert_equal(BigDecimal('7.1365'), BigDecimal('7.1364501').round(4, half: :even)) + assert_equal(BigDecimal('7.1364'), BigDecimal('7.1364499').round(4, half: :even)) + + assert_equal(BigDecimal('-7.1364'), BigDecimal('-7.13645').round(4, half: :even)) + assert_equal(BigDecimal('-7.1365'), BigDecimal('-7.1364501').round(4, half: :even)) + assert_equal(BigDecimal('-7.1364'), BigDecimal('-7.1364499').round(4, half: :even)) + end + + def test_round_half_up + assert_equal(BigDecimal('13.0'), BigDecimal('12.5').round(half: :up)) + assert_equal(BigDecimal('14.0'), BigDecimal('13.5').round(half: :up)) + + assert_equal(BigDecimal('2.2'), BigDecimal('2.15').round(1, half: :up)) + assert_equal(BigDecimal('2.3'), BigDecimal('2.25').round(1, half: :up)) + assert_equal(BigDecimal('2.4'), BigDecimal('2.35').round(1, half: :up)) + + assert_equal(BigDecimal('-2.2'), BigDecimal('-2.15').round(1, half: :up)) + assert_equal(BigDecimal('-2.3'), BigDecimal('-2.25').round(1, half: :up)) + assert_equal(BigDecimal('-2.4'), BigDecimal('-2.35').round(1, half: :up)) + + assert_equal(BigDecimal('7.1365'), BigDecimal('7.13645').round(4, half: :up)) + assert_equal(BigDecimal('7.1365'), BigDecimal('7.1364501').round(4, half: :up)) + assert_equal(BigDecimal('7.1364'), BigDecimal('7.1364499').round(4, half: :up)) + + assert_equal(BigDecimal('-7.1365'), BigDecimal('-7.13645').round(4, half: :up)) + assert_equal(BigDecimal('-7.1365'), BigDecimal('-7.1364501').round(4, half: :up)) + assert_equal(BigDecimal('-7.1364'), BigDecimal('-7.1364499').round(4, half: :up)) + end + + def test_round_half_down + assert_equal(BigDecimal('12.0'), BigDecimal('12.5').round(half: :down)) + assert_equal(BigDecimal('13.0'), BigDecimal('13.5').round(half: :down)) + + assert_equal(BigDecimal('2.1'), BigDecimal('2.15').round(1, half: :down)) + assert_equal(BigDecimal('2.2'), BigDecimal('2.25').round(1, half: :down)) + assert_equal(BigDecimal('2.3'), BigDecimal('2.35').round(1, half: :down)) + + assert_equal(BigDecimal('-2.1'), BigDecimal('-2.15').round(1, half: :down)) + assert_equal(BigDecimal('-2.2'), BigDecimal('-2.25').round(1, half: :down)) + assert_equal(BigDecimal('-2.3'), BigDecimal('-2.35').round(1, half: :down)) + + assert_equal(BigDecimal('7.1364'), BigDecimal('7.13645').round(4, half: :down)) + assert_equal(BigDecimal('7.1365'), BigDecimal('7.1364501').round(4, half: :down)) + assert_equal(BigDecimal('7.1364'), BigDecimal('7.1364499').round(4, half: :down)) + + assert_equal(BigDecimal('-7.1364'), BigDecimal('-7.13645').round(4, half: :down)) + assert_equal(BigDecimal('-7.1365'), BigDecimal('-7.1364501').round(4, half: :down)) + assert_equal(BigDecimal('-7.1364'), BigDecimal('-7.1364499').round(4, half: :down)) + end + + def test_round_half_invalid_option + assert_raise_with_message(ArgumentError, "invalid rounding mode: invalid") { BigDecimal('12.5').round(half: :invalid) } + assert_raise_with_message(ArgumentError, "invalid rounding mode: invalid") { BigDecimal('2.15').round(1, half: :invalid) } + assert_raise_with_message(ArgumentError, "invalid rounding mode: nil") { BigDecimal('12.5').round(half: nil) } + end + def test_truncate assert_equal(3, BigDecimal.new("3.14159").truncate) assert_equal(8, BigDecimal.new("8.7").truncate) @@ -946,8 +1104,8 @@ class TestBigDecimal < Test::Unit::TestCase assert_equal('-123.45678 90123 45678 9', BigDecimal.new('-123.45678901234567890').to_s('5F')) assert_equal('+123.45678901 23456789', BigDecimal.new('123.45678901234567890').to_s('+8F')) assert_equal(' 123.4567890123456789', BigDecimal.new('123.45678901234567890').to_s(' F')) - assert_equal('0.1234567890123456789E3', BigDecimal.new('123.45678901234567890').to_s) - assert_equal('0.12345 67890 12345 6789E3', BigDecimal.new('123.45678901234567890').to_s(5)) + assert_equal('0.1234567890123456789e3', BigDecimal.new('123.45678901234567890').to_s) + assert_equal('0.12345 67890 12345 6789e3', BigDecimal.new('123.45678901234567890').to_s(5)) end def test_split @@ -969,9 +1127,9 @@ class TestBigDecimal < Test::Unit::TestCase end def test_inspect - x = BigDecimal.new("1234.5678") - prec, maxprec = x.precs - assert_match(/^#<BigDecimal:[0-9a-f]+,'0.12345678E4',#{prec}\(#{maxprec}\)>$/, x.inspect) + assert_equal("0.123456789012e0", BigDecimal.new("0.123456789012").inspect) + assert_equal("0.123456789012e4", BigDecimal.new("1234.56789012").inspect) + assert_equal("0.123456789012e-4", BigDecimal.new("0.0000123456789012").inspect) end def test_power @@ -1220,23 +1378,23 @@ class TestBigDecimal < Test::Unit::TestCase inf = BigDecimal.new("Infinity") assert_equal(inf, inf + inf) - assert_equal(true, (inf + (-inf)).nan?) - assert_equal(true, (inf - inf).nan?) + assert_nan((inf + (-inf))) + assert_nan((inf - inf)) assert_equal(inf, inf - (-inf)) assert_equal(inf, inf * inf) - assert_equal(true, (inf / inf).nan?) + assert_nan((inf / inf)) assert_equal(inf, inf + 1) assert_equal(inf, inf - 1) assert_equal(inf, inf * 1) - assert_equal(true, (inf * 0).nan?) + assert_nan((inf * 0)) assert_equal(inf, inf / 1) assert_equal(inf, 1 + inf) assert_equal(-inf, 1 - inf) assert_equal(inf, 1 * inf) assert_equal(-inf, -1 * inf) - assert_equal(true, (0 * inf).nan?) + assert_nan((0 * inf)) assert_equal(BigDecimal::SIGN_POSITIVE_ZERO, (1 / inf).sign) assert_equal(BigDecimal::SIGN_NEGATIVE_ZERO, (-1 / inf).sign) end @@ -1306,14 +1464,14 @@ class TestBigDecimal < Test::Unit::TestCase end def test_INFINITY - assert(BigDecimal::INFINITY.infinite?, "BigDecimal::INFINITY is not a infinity") + assert_positive_infinite(BigDecimal::INFINITY) end def test_NAN - assert(BigDecimal::NAN.nan?, "BigDecimal::NAN is not NaN") + assert_nan(BigDecimal::NAN) end - def test_exp_with_zerp_precision + def test_exp_with_zero_precision assert_raise(ArgumentError) do BigMath.exp(1, 0) end @@ -1342,14 +1500,14 @@ class TestBigDecimal < Test::Unit::TestCase BigDecimal.save_exception_mode do BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) assert(BigMath.exp(BigDecimal::INFINITY, 20) > 0) - assert(BigMath.exp(BigDecimal::INFINITY, 20).infinite?) + assert_positive_infinite(BigMath.exp(BigDecimal::INFINITY, 20)) end end def test_exp_with_nan BigDecimal.save_exception_mode do BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) - assert(BigMath.exp(BigDecimal::NAN, 20).nan?) + assert_nan(BigMath.exp(BigDecimal::NAN, 20)) end end @@ -1470,21 +1628,21 @@ class TestBigDecimal < Test::Unit::TestCase BigDecimal.save_exception_mode do BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) assert(BigMath.log(BigDecimal::INFINITY, 20) > 0) - assert(BigMath.log(BigDecimal::INFINITY, 20).infinite?) + assert_positive_infinite(BigMath.log(BigDecimal::INFINITY, 20)) end end def test_BigMath_log_with_nan BigDecimal.save_exception_mode do BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) - assert(BigMath.log(BigDecimal::NAN, 20).nan?) + assert_nan(BigMath.log(BigDecimal::NAN, 20)) end end def test_BigMath_log_with_float_nan BigDecimal.save_exception_mode do BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) - assert(BigMath.log(Float::NAN, 20).nan?) + assert_nan(BigMath.log(Float::NAN, 20)) end end |