diff options
Diffstat (limited to 'test/ruby/test_float.rb')
| -rw-r--r-- | test/ruby/test_float.rb | 103 |
1 files changed, 100 insertions, 3 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb index fcff9fc7b8..57a46fce92 100644 --- a/test/ruby/test_float.rb +++ b/test/ruby/test_float.rb @@ -163,6 +163,32 @@ class TestFloat < Test::Unit::TestCase assert_equal(-31.0*2**-1027, Float("-0x1f"+("0"*268)+".0p-2099")) assert_equal(-31.0*2**-1027, Float("-0x1f"+("0"*600)+".0p-3427")) end + + assert_equal(1.0e10, Float("1.0_"+"00000"*Float::DIG+"e10")) + + z = "0" * (Float::DIG * 4 + 10) + all_assertions_foreach("long invalid string", "1.0", "1.0e", "1.0e-", "1.0e+") do |n| + assert_raise(ArgumentError, n += z + "A") {Float(n)} + assert_raise(ArgumentError, n += z + ".0") {Float(n)} + end + + x = nil + 2000.times do + x = Float("0x"+"0"*30) + break unless x == 0.0 + end + assert_equal(0.0, x, ->{"%a" % x}) + x = nil + 2000.times do + begin + x = Float("0x1."+"0"*270) + rescue ArgumentError => e + raise unless /"0x1\.0{270}"/ =~ e.message + else + break + end + end + assert_nil(x, ->{"%a" % x}) end def test_divmod @@ -297,6 +323,7 @@ class TestFloat < Test::Unit::TestCase assert_equal(1.0, 1.0 ** (2**32)) assert_equal(1.0, 1.0 ** 1.0) assert_raise(TypeError) { 1.0 ** nil } + assert_equal(9.0, 3.0 ** 2) end def test_eql @@ -756,11 +783,20 @@ class TestFloat < Test::Unit::TestCase assert_raise_with_message(ArgumentError, /xxx/) { 1.0.round(half: "\0xxx") } + assert_raise_with_message(Encoding::CompatibilityError, /ASCII incompatible/) { + 1.0.round(half: "up".force_encoding("utf-16be")) + } end def test_Float assert_in_delta(0.125, Float("0.1_2_5"), 0.00001) assert_in_delta(0.125, "0.1_2_5__".to_f, 0.00001) + assert_in_delta(0.0, "0_.125".to_f, 0.00001) + assert_in_delta(0.0, "0._125".to_f, 0.00001) + assert_in_delta(0.1, "0.1__2_5".to_f, 0.00001) + assert_in_delta(0.1, "0.1_e10".to_f, 0.00001) + assert_in_delta(0.1, "0.1e_10".to_f, 0.00001) + assert_in_delta(1.0, "0.1e1__0".to_f, 0.00001) assert_equal(1, suppress_warning {Float(([1] * 10000).join)}.infinite?) assert_not_predicate(Float(([1] * 10000).join("_")), :infinite?) # is it really OK? assert_raise(ArgumentError) { Float("1.0\x001") } @@ -774,9 +810,15 @@ class TestFloat < Test::Unit::TestCase assert_raise(ArgumentError) { Float('0xf.p0') } assert_raise(ArgumentError) { Float('0xf.f') } assert_raise(ArgumentError) { Float('0xf.fp') } - assert_equal(Float::INFINITY, Float('0xf.fp1000000000000000')) + begin + verbose_bak, $VERBOSE = $VERBOSE, nil + assert_equal(Float::INFINITY, Float('0xf.fp1000000000000000')) + ensure + $VERBOSE = verbose_bak + end assert_equal(1, suppress_warning {Float("1e10_00")}.infinite?) assert_raise(TypeError) { Float(nil) } + assert_raise(TypeError) { Float(:test) } o = Object.new def o.to_f; inf = Float::INFINITY; inf/inf; end assert_predicate(Float(o), :nan?) @@ -787,8 +829,51 @@ class TestFloat < Test::Unit::TestCase assert_raise(ArgumentError, bug4310) {under_gc_stress {Float('a'*10000)}} end + def test_Float_with_invalid_exception + assert_raise(ArgumentError) { + Float("0", exception: 1) + } + end + + def test_Float_with_exception_keyword + assert_raise(ArgumentError) { + Float(".", exception: true) + } + assert_nothing_raised(ArgumentError) { + assert_equal(nil, Float(".", exception: false)) + } + assert_raise(RangeError) { + Float(1i, exception: true) + } + assert_nothing_raised(RangeError) { + assert_equal(nil, Float(1i, exception: false)) + } + assert_raise(TypeError) { + Float(nil, exception: true) + } + assert_nothing_raised(TypeError) { + assert_equal(nil, Float(nil, exception: false)) + } + assert_nothing_raised(TypeError) { + assert_equal(nil, Float(:test, exception: false)) + } + assert_nothing_raised(TypeError) { + assert_equal(nil, Float(Object.new, exception: false)) + } + assert_nothing_raised(TypeError) { + o = Object.new + def o.to_f; 3.14; end + assert_equal(3.14, Float(o, exception: false)) + } + assert_nothing_raised(RuntimeError) { + o = Object.new + def o.to_f; raise; end + assert_equal(nil, Float(o, exception: false)) + } + end + def test_num2dbl - assert_raise(TypeError) do + assert_raise(ArgumentError, "comparison of String with 0 failed") do 1.0.step(2.0, "0.5") {} end assert_raise(TypeError) do @@ -815,6 +900,11 @@ class TestFloat < Test::Unit::TestCase end assert_equal([5.0, 4.0, 3.0, 2.0], 5.0.step(1.5, -1).to_a) + + assert_equal(11, ((0.24901079128550474)..(340.2500808898068)).step(34.00010700985213).to_a.size) + assert_equal(11, ((0.24901079128550474)..(340.25008088980684)).step(34.00010700985213).to_a.size) + assert_equal(11, ((-0.24901079128550474)..(-340.2500808898068)).step(-34.00010700985213).to_a.size) + assert_equal(11, ((-0.24901079128550474)..(-340.25008088980684)).step(-34.00010700985213).to_a.size) end def test_step2 @@ -826,7 +916,9 @@ class TestFloat < Test::Unit::TestCase a = rand b = a+rand*1000 s = (b - a) / 10 - assert_equal(10, (a...b).step(s).to_a.length) + b = a + s*9.999999 + seq = (a...b).step(s) + assert_equal(10, seq.to_a.length, seq.inspect) end assert_equal([1.0, 2.9, 4.8, 6.699999999999999], (1.0...6.8).step(1.9).to_a) @@ -835,6 +927,11 @@ class TestFloat < Test::Unit::TestCase (1.0 ... e).step(1E-16) do |n| assert_operator(n, :<=, e) end + + assert_equal(10, ((0.24901079128550474)...(340.2500808898068)).step(34.00010700985213).to_a.size) + assert_equal(11, ((0.24901079128550474)...(340.25008088980684)).step(34.00010700985213).to_a.size) + assert_equal(10, ((-0.24901079128550474)...(-340.2500808898068)).step(-34.00010700985213).to_a.size) + assert_equal(11, ((-0.24901079128550474)...(-340.25008088980684)).step(-34.00010700985213).to_a.size) end def test_singleton_method |