Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1 | // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | function toNumber(val) { |
| 29 | return Number(val); |
| 30 | } |
| 31 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 32 | function repeat(s, num) { |
| 33 | var result = ''; |
| 34 | while (num > 0) { |
| 35 | if ((num & 1) != 0) result += s; |
| 36 | s += s; |
| 37 | num >>= 1; |
| 38 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 39 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 40 | return result; |
| 41 | } |
| 42 | |
| 43 | assertEquals('0000000000', repeat('0', 10)); |
| 44 | |
| 45 | // assertEquals(, toNumber()); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 46 | |
| 47 | assertEquals(123, toNumber(" 123")); |
| 48 | assertEquals(123, toNumber("\n123")); |
| 49 | assertEquals(123, toNumber("\r123")); |
| 50 | assertEquals(123, toNumber("\t123")); |
| 51 | assertEquals(123, toNumber("\f123")); |
| 52 | |
| 53 | assertEquals(123, toNumber("123 ")); |
| 54 | assertEquals(123, toNumber("123\n")); |
| 55 | assertEquals(123, toNumber("123\r")); |
| 56 | assertEquals(123, toNumber("123\t")); |
| 57 | assertEquals(123, toNumber("123\f")); |
| 58 | |
| 59 | assertEquals(123, toNumber(" 123 ")); |
| 60 | assertEquals(123, toNumber("\n123\n")); |
| 61 | assertEquals(123, toNumber("\r123\r")); |
| 62 | assertEquals(123, toNumber("\t123\t")); |
| 63 | assertEquals(123, toNumber("\f123\f")); |
| 64 | |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 65 | assertEquals(16, toNumber(" 0x10 ")); |
| 66 | assertEquals(NaN, toNumber("0x")); |
| 67 | assertEquals(NaN, toNumber("0x ")); |
| 68 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 69 | assertTrue(isNaN(toNumber(" NaN "))); |
| 70 | assertEquals(Infinity, toNumber(" Infinity ") ," Infinity"); |
| 71 | assertEquals(-Infinity, toNumber(" -Infinity ")); |
| 72 | assertEquals(Infinity, toNumber(" +Infinity "), " +Infinity"); |
| 73 | assertEquals(Infinity, toNumber("Infinity ") ,"Infinity"); |
| 74 | assertEquals(-Infinity, toNumber("-Infinity ")); |
| 75 | assertEquals(Infinity, toNumber("+Infinity "), "+Infinity"); |
| 76 | |
| 77 | assertEquals(0, toNumber("0")); |
| 78 | assertEquals(0, toNumber("+0")); |
| 79 | assertEquals(-0, toNumber("-0")); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 80 | assertEquals(-Infinity, 1 / toNumber("-0")); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 81 | |
| 82 | assertEquals(1, toNumber("1")); |
| 83 | assertEquals(1, toNumber("+1")); |
| 84 | assertEquals(-1, toNumber("-1")); |
| 85 | |
| 86 | assertEquals(2, toNumber("2")); |
| 87 | assertEquals(2, toNumber("+2")); |
| 88 | assertEquals(-2, toNumber("-2")); |
| 89 | |
| 90 | assertEquals(3.1415926, toNumber("3.1415926")); |
| 91 | assertEquals(3.1415926, toNumber("+3.1415926")); |
| 92 | assertEquals(-3.1415926, toNumber("-3.1415926")); |
| 93 | |
| 94 | assertEquals(5, toNumber("5.")); |
| 95 | assertEquals(5, toNumber("+5.")); |
| 96 | assertEquals(-5, toNumber("-5.")); |
| 97 | |
| 98 | assertEquals(500, toNumber("5e2")); |
| 99 | assertEquals(500, toNumber("+5e2")); |
| 100 | assertEquals(-500, toNumber("-5e2")); |
| 101 | assertEquals(500, toNumber("5e+2")); |
| 102 | assertEquals(500, toNumber("+5e+2")); |
| 103 | assertEquals(-500, toNumber("-5e+2")); |
| 104 | assertEquals(0.05, toNumber("5e-2")); |
| 105 | assertEquals(0.05, toNumber("+5e-2")); |
| 106 | assertEquals(-0.05, toNumber("-5e-2")); |
| 107 | |
| 108 | assertEquals(0.00001, toNumber(".00001")); |
| 109 | assertEquals(0.00001, toNumber("+.00001")); |
| 110 | assertEquals(-0.00001, toNumber("-.00001")); |
| 111 | assertEquals(1, toNumber(".00001e5")); |
| 112 | assertEquals(1, toNumber("+.00001e5")); |
| 113 | assertEquals(-1, toNumber("-.00001e5")); |
| 114 | assertEquals(1, toNumber(".00001e+5")); |
| 115 | assertEquals(1, toNumber("+.00001e+5")); |
| 116 | assertEquals(-1, toNumber("-.00001e+5")); |
| 117 | assertEquals(0.00001, toNumber(".001e-2")); |
| 118 | assertEquals(0.00001, toNumber("+.001e-2")); |
| 119 | assertEquals(-0.00001, toNumber("-.001e-2")); |
| 120 | |
| 121 | assertEquals(12340000, toNumber("1234e4")); |
| 122 | assertEquals(12340000, toNumber("+1234e4")); |
| 123 | assertEquals(-12340000, toNumber("-1234e4")); |
| 124 | assertEquals(12340000, toNumber("1234e+4")); |
| 125 | assertEquals(12340000, toNumber("+1234e+4")); |
| 126 | assertEquals(-12340000, toNumber("-1234e+4")); |
| 127 | assertEquals(0.1234, toNumber("1234e-4")); |
| 128 | assertEquals(0.1234, toNumber("+1234e-4")); |
| 129 | assertEquals(-0.1234, toNumber("-1234e-4")); |
| 130 | |
| 131 | assertEquals(0, toNumber("0x0")); |
| 132 | assertEquals(1, toNumber("0x1")); |
| 133 | assertEquals(2, toNumber("0x2")); |
| 134 | assertEquals(9, toNumber("0x9")); |
| 135 | assertEquals(10, toNumber("0xa")); |
| 136 | assertEquals(11, toNumber("0xb")); |
| 137 | assertEquals(15, toNumber("0xf")); |
| 138 | assertEquals(10, toNumber("0xA")); |
| 139 | assertEquals(11, toNumber("0xB")); |
| 140 | assertEquals(15, toNumber("0xF")); |
| 141 | |
| 142 | assertEquals(0, toNumber("0X0")); |
| 143 | assertEquals(9, toNumber("0X9")); |
| 144 | assertEquals(10, toNumber("0Xa")); |
| 145 | assertEquals(10, toNumber("0XA")); |
| 146 | assertEquals(15, toNumber("0Xf")); |
| 147 | assertEquals(15, toNumber("0XF")); |
| 148 | |
| 149 | assertEquals(0, toNumber("0x000")); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 150 | assertEquals(0, toNumber("0x000" + repeat('0', 1000))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 151 | assertEquals(9, toNumber("0x009")); |
| 152 | assertEquals(10, toNumber("0x00a")); |
| 153 | assertEquals(10, toNumber("0x00A")); |
| 154 | assertEquals(15, toNumber("0x00f")); |
| 155 | assertEquals(15, toNumber("0x00F")); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 156 | assertEquals(15, toNumber("0x00F ")); |
| 157 | assertEquals(Infinity, toNumber("0x" + repeat('0', 1000) + '1' |
| 158 | + repeat('0', 1000))); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 159 | |
| 160 | assertEquals(0x1000000 * 0x10000000, toNumber("0x10000000000000")); |
| 161 | assertEquals(0x1000000 * 0x10000000 + 1, toNumber("0x10000000000001")); |
| 162 | assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000000")); |
| 163 | assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000001")); |
| 164 | assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000007")); |
| 165 | assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000008")); |
| 166 | assertEquals(0x10 * (0x1000000 * 0x10000000 + 1), |
| 167 | toNumber("0x100000000000009")); |
| 168 | assertEquals(0x10 * (0x1000000 * 0x10000000 + 1), |
| 169 | toNumber("0x10000000000000F")); |
| 170 | assertEquals(0x10 * (0x1000000 * 0x10000000 + 1), |
| 171 | toNumber("0x100000000000010")); |
| 172 | assertEquals(0x100000000000 * 0x1000000 * 0x10000000, |
| 173 | toNumber("0x1000000000000000000000000")); |
| 174 | assertEquals(0x100000000000 * 0x1000000 * 0x10000000, |
| 175 | toNumber("0x1000000000000080000000000")); |
| 176 | assertEquals(0x100000000000 * (0x1000000 * 0x10000000 + 1), |
| 177 | toNumber("0x1000000000000080000000001")); |
| 178 | assertEquals(0x100000000000 * 0x1000000 * 0x10000000, |
| 179 | toNumber(" 0x1000000000000000000000000 ")); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 180 | |
| 181 | assertEquals(0, toNumber("00")); |
| 182 | assertEquals(1, toNumber("01")); |
| 183 | assertEquals(2, toNumber("02")); |
| 184 | assertEquals(10, toNumber("010")); |
| 185 | assertEquals(100, toNumber("0100")); |
| 186 | assertEquals(100, toNumber("000100")); |
| 187 | |
| 188 | assertEquals(Infinity, toNumber("1e999"), "1e999"); |
| 189 | assertEquals(-Infinity, toNumber("-1e999")); |
| 190 | assertEquals(0, toNumber("1e-999")); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 191 | assertEquals(-0, toNumber("-1e-999")); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 192 | assertEquals(Infinity, 1 / toNumber("1e-999"), "1e-999"); |
| 193 | assertEquals(-Infinity, 1 / toNumber("-1e-999")); |
| 194 | |
| 195 | assertTrue(isNaN(toNumber("junk")), "junk"); |
| 196 | assertTrue(isNaN(toNumber("100 junk")), "100 junk"); |
| 197 | assertTrue(isNaN(toNumber("0x100 junk")), "0x100 junk"); |
| 198 | assertTrue(isNaN(toNumber("100.0 junk")), "100.0 junk"); |
| 199 | assertTrue(isNaN(toNumber(".1e4 junk")), ".1e4 junk"); |
| 200 | assertTrue(isNaN(toNumber("Infinity junk")), "Infinity junk"); |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 201 | assertTrue(isNaN(toNumber("1e")), "1e"); |
| 202 | assertTrue(isNaN(toNumber("1e ")), "1e_"); |
| 203 | assertTrue(isNaN(toNumber("1" + repeat('0', 1000) + 'junk')), "1e1000 junk"); |
Iain Merrick | 9ac36c9 | 2010-09-13 15:29:50 +0100 | [diff] [blame] | 204 | |
| 205 | for (var i = 1; i < 12; i++) { |
| 206 | assertEquals(toNumber('1' + repeat('0', i)), Math.pow(10.0, i)); |
| 207 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 208 | |
| 209 | assertTrue(isNaN(toNumber("+0x0"))); |
| 210 | assertTrue(isNaN(toNumber("+0xFF"))); |
| 211 | assertTrue(isNaN(toNumber("+0x012"))); |
| 212 | assertTrue(isNaN(toNumber("-0x0"))); |
| 213 | assertTrue(isNaN(toNumber("-0xFF"))); |
| 214 | assertTrue(isNaN(toNumber("-0x012"))); |