[270] | 1 | ##
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| 2 | # Integer ISO Test
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| 3 |
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| 4 | assert('Integer', '15.2.8') do
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| 5 | assert_equal Class, Integer.class
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| 6 | end
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| 7 |
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| 8 | assert('Integer#+', '15.2.8.3.1') do
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| 9 | a = 1+1
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| 10 | b = 1+1.0
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| 11 |
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| 12 | assert_equal 2, a
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| 13 | assert_equal 2.0, b
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| 14 |
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| 15 | assert_raise(TypeError){ 0+nil }
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| 16 | assert_raise(TypeError){ 1+nil }
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| 17 |
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| 18 | c = Mrbtest::FIXNUM_MAX + 1
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| 19 | d = Mrbtest::FIXNUM_MAX.__send__(:+, 1)
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| 20 | e = Mrbtest::FIXNUM_MAX + 1.0
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| 21 | assert_equal Float, c.class
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| 22 | assert_equal Float, d.class
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| 23 | assert_float e, c
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| 24 | assert_float e, d
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| 25 | end
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| 26 |
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| 27 | assert('Integer#-', '15.2.8.3.2') do
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| 28 | a = 2-1
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| 29 | b = 2-1.0
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| 30 |
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| 31 | assert_equal 1, a
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| 32 | assert_equal 1.0, b
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| 33 |
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| 34 | c = Mrbtest::FIXNUM_MIN - 1
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| 35 | d = Mrbtest::FIXNUM_MIN.__send__(:-, 1)
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| 36 | e = Mrbtest::FIXNUM_MIN - 1.0
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| 37 | assert_equal Float, c.class
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| 38 | assert_equal Float, d.class
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| 39 | assert_float e, c
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| 40 | assert_float e, d
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| 41 | end
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| 42 |
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| 43 | assert('Integer#*', '15.2.8.3.3') do
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| 44 | a = 1*1
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| 45 | b = 1*1.0
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| 46 |
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| 47 | assert_equal 1, a
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| 48 | assert_equal 1.0, b
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| 49 |
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| 50 | assert_raise(TypeError){ 0*nil }
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| 51 | assert_raise(TypeError){ 1*nil }
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| 52 |
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| 53 | c = Mrbtest::FIXNUM_MAX * 2
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| 54 | d = Mrbtest::FIXNUM_MAX.__send__(:*, 2)
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| 55 | e = Mrbtest::FIXNUM_MAX * 2.0
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| 56 | assert_equal Float, c.class
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| 57 | assert_equal Float, d.class
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| 58 | assert_float e, c
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| 59 | assert_float e, d
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| 60 | end
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| 61 |
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| 62 | assert('Integer#/', '15.2.8.3.4') do
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| 63 | a = 2/1
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| 64 | b = 2/1.0
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| 65 |
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| 66 | assert_equal 2, a
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| 67 | assert_equal 2.0, b
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| 68 | end
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| 69 |
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| 70 | assert('Integer#%', '15.2.8.3.5') do
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| 71 | a = 1%1
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| 72 | b = 1%1.0
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| 73 | c = 2%4
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| 74 | d = 2%5
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| 75 | e = 2%-5
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| 76 | f = -2%5
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| 77 | g = -2%-5
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| 78 | h = 2%-2
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| 79 | i = -2%2
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| 80 | j = -2%-2
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| 81 |
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| 82 | assert_equal 0, a
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| 83 | assert_equal 0.0, b
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| 84 | assert_equal 2, c
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| 85 | assert_equal 2, d
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| 86 | assert_equal(-3, e)
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| 87 | assert_equal 3, f
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| 88 | assert_equal(-2, g)
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| 89 | assert_equal 0, h
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| 90 | assert_equal 0, i
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| 91 | assert_equal 0, j
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| 92 | end
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| 93 |
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| 94 | assert('Integer#<=>', '15.2.9.3.6') do
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| 95 | a = 1<=>0
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| 96 | b = 1<=>1
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| 97 | c = 1<=>2
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| 98 |
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| 99 | assert_equal 1, a
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| 100 | assert_equal 0, b
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| 101 | assert_equal(-1, c)
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| 102 | end
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| 103 |
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| 104 | assert('Integer#==', '15.2.8.3.7') do
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| 105 | a = 1==0
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| 106 | b = 1==1
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| 107 |
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| 108 | assert_false a
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| 109 | assert_true b
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| 110 | end
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| 111 |
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| 112 | assert('Integer#~', '15.2.8.3.8') do
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| 113 | # Complement
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| 114 | assert_equal(-1, ~0)
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| 115 | assert_equal(-3, ~2)
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| 116 | end
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| 117 |
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| 118 | assert('Integer#&', '15.2.8.3.9') do
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| 119 | # Bitwise AND
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| 120 | # 0101 (5)
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| 121 | # & 0011 (3)
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| 122 | # = 0001 (1)
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| 123 | assert_equal 1, 5 & 3
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| 124 | end
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| 125 |
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| 126 | assert('Integer#|', '15.2.8.3.10') do
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| 127 | # Bitwise OR
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| 128 | # 0101 (5)
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| 129 | # | 0011 (3)
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| 130 | # = 0111 (7)
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| 131 | assert_equal 7, 5 | 3
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| 132 | end
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| 133 |
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| 134 | assert('Integer#^', '15.2.8.3.11') do
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| 135 | # Bitwise XOR
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| 136 | # 0101 (5)
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| 137 | # ^ 0011 (3)
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| 138 | # = 0110 (6)
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| 139 | assert_equal 6, 5 ^ 3
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| 140 | end
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| 141 |
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| 142 | assert('Integer#<<', '15.2.8.3.12') do
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| 143 | # Left Shift by one
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| 144 | # 00010111 (23)
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| 145 | # = 00101110 (46)
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| 146 | assert_equal 46, 23 << 1
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| 147 |
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| 148 | # Left Shift by a negative is Right Shift
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| 149 | assert_equal 23, 46 << -1
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[331] | 150 |
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| 151 | # Left Shift by 31 is bitShift overflow to SignedInt
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| 152 | assert_equal 2147483648, 1 << 31
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| 153 |
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| 154 | # -3 Left Shift by 30 is bitShift overflow to SignedInt
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| 155 | assert_equal(-3221225472, -3 << 30)
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[270] | 156 | end
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| 157 |
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| 158 | assert('Integer#>>', '15.2.8.3.13') do
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| 159 | # Right Shift by one
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| 160 | # 00101110 (46)
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| 161 | # = 00010111 (23)
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| 162 | assert_equal 23, 46 >> 1
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| 163 |
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| 164 | # Right Shift by a negative is Left Shift
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| 165 | assert_equal 46, 23 >> -1
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| 166 |
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| 167 | # Don't raise on large Right Shift
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| 168 | assert_equal 0, 23 >> 128
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| 169 | end
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| 170 |
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| 171 | assert('Integer#ceil', '15.2.8.3.14') do
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| 172 | assert_equal 10, 10.ceil
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| 173 | end
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| 174 |
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| 175 | assert('Integer#downto', '15.2.8.3.15') do
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| 176 | a = 0
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| 177 | 3.downto(1) do |i|
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| 178 | a += i
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| 179 | end
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| 180 | assert_equal 6, a
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| 181 | end
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| 182 |
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| 183 | assert('Integer#eql?', '15.2.8.3.16') do
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| 184 | a = 1.eql?(1)
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| 185 | b = 1.eql?(2)
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| 186 | c = 1.eql?(nil)
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| 187 |
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| 188 | assert_true a
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| 189 | assert_false b
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| 190 | assert_false c
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| 191 | end
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| 192 |
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| 193 | assert('Integer#floor', '15.2.8.3.17') do
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| 194 | a = 1.floor
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| 195 |
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| 196 | assert_equal 1, a
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| 197 | end
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| 198 |
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| 199 | assert('Integer#next', '15.2.8.3.19') do
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| 200 | assert_equal 2, 1.next
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| 201 | end
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| 202 |
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| 203 | assert('Integer#round', '15.2.8.3.20') do
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| 204 | assert_equal 1, 1.round
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| 205 | end
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| 206 |
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| 207 | assert('Integer#succ', '15.2.8.3.21') do
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| 208 | assert_equal 2, 1.succ
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| 209 | end
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| 210 |
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| 211 | assert('Integer#times', '15.2.8.3.22') do
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| 212 | a = 0
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| 213 | 3.times do
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| 214 | a += 1
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| 215 | end
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| 216 | assert_equal 3, a
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| 217 | end
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| 218 |
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| 219 | assert('Integer#to_f', '15.2.8.3.23') do
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| 220 | assert_equal 1.0, 1.to_f
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| 221 | end
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| 222 |
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| 223 | assert('Integer#to_i', '15.2.8.3.24') do
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| 224 | assert_equal 1, 1.to_i
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| 225 | end
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| 226 |
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| 227 | assert('Integer#to_s', '15.2.8.3.25') do
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| 228 | assert_equal '1', 1.to_s
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| 229 | assert_equal("-1", -1.to_s)
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| 230 | end
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| 231 |
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| 232 | assert('Integer#truncate', '15.2.8.3.26') do
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| 233 | assert_equal 1, 1.truncate
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| 234 | end
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| 235 |
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| 236 | assert('Integer#upto', '15.2.8.3.27') do
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| 237 | a = 0
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| 238 | 1.upto(3) do |i|
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| 239 | a += i
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| 240 | end
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| 241 | assert_equal 6, a
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| 242 | end
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| 243 |
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| 244 | assert('Integer#divmod', '15.2.8.3.30') do
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| 245 | assert_equal [ 0, 0], 0.divmod(1)
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| 246 | assert_equal [ 0, 1], 1.divmod(3)
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| 247 | assert_equal [ 3, 0], 3.divmod(1)
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| 248 | assert_equal [ 2, 6], 20.divmod(7)
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| 249 | assert_equal [-1, 2], -3.divmod(5)
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| 250 | assert_equal [-2, -1], 25.divmod(-13)
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| 251 | assert_equal [ 1, -6], -13.divmod(-7)
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| 252 | end
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| 253 |
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| 254 | # Not ISO specified
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| 255 |
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| 256 | assert('Integer#step') do
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| 257 | a = []
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| 258 | b = []
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| 259 | 1.step(3) do |i|
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| 260 | a << i
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| 261 | end
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| 262 | 1.step(6, 2) do |i|
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| 263 | b << i
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| 264 | end
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| 265 |
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| 266 | assert_equal [1, 2, 3], a
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| 267 | assert_equal [1, 3, 5], b
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| 268 | end
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