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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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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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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