| // Copyright 2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| function toNumber(val) { |
| return Number(val); |
| } |
| |
| function repeat(s, num) { |
| var result = ''; |
| while (num > 0) { |
| if ((num & 1) != 0) result += s; |
| s += s; |
| num >>= 1; |
| } |
| |
| return result; |
| } |
| |
| assertEquals('0000000000', repeat('0', 10)); |
| |
| // assertEquals(, toNumber()); |
| |
| assertEquals(123, toNumber(" 123")); |
| assertEquals(123, toNumber("\n123")); |
| assertEquals(123, toNumber("\r123")); |
| assertEquals(123, toNumber("\t123")); |
| assertEquals(123, toNumber("\f123")); |
| |
| assertEquals(123, toNumber("123 ")); |
| assertEquals(123, toNumber("123\n")); |
| assertEquals(123, toNumber("123\r")); |
| assertEquals(123, toNumber("123\t")); |
| assertEquals(123, toNumber("123\f")); |
| |
| assertEquals(123, toNumber(" 123 ")); |
| assertEquals(123, toNumber("\n123\n")); |
| assertEquals(123, toNumber("\r123\r")); |
| assertEquals(123, toNumber("\t123\t")); |
| assertEquals(123, toNumber("\f123\f")); |
| |
| assertEquals(16, toNumber(" 0x10 ")); |
| assertEquals(NaN, toNumber("0x")); |
| assertEquals(NaN, toNumber("0x ")); |
| |
| assertTrue(isNaN(toNumber(" NaN "))); |
| assertEquals(Infinity, toNumber(" Infinity ") ," Infinity"); |
| assertEquals(-Infinity, toNumber(" -Infinity ")); |
| assertEquals(Infinity, toNumber(" +Infinity "), " +Infinity"); |
| assertEquals(Infinity, toNumber("Infinity ") ,"Infinity"); |
| assertEquals(-Infinity, toNumber("-Infinity ")); |
| assertEquals(Infinity, toNumber("+Infinity "), "+Infinity"); |
| |
| assertEquals(0, toNumber("0")); |
| assertEquals(0, toNumber("+0")); |
| assertEquals(-0, toNumber("-0")); |
| assertEquals(-Infinity, 1 / toNumber("-0")); |
| |
| assertEquals(1, toNumber("1")); |
| assertEquals(1, toNumber("+1")); |
| assertEquals(-1, toNumber("-1")); |
| |
| assertEquals(2, toNumber("2")); |
| assertEquals(2, toNumber("+2")); |
| assertEquals(-2, toNumber("-2")); |
| |
| assertEquals(3.1415926, toNumber("3.1415926")); |
| assertEquals(3.1415926, toNumber("+3.1415926")); |
| assertEquals(-3.1415926, toNumber("-3.1415926")); |
| |
| assertEquals(5, toNumber("5.")); |
| assertEquals(5, toNumber("+5.")); |
| assertEquals(-5, toNumber("-5.")); |
| |
| assertEquals(500, toNumber("5e2")); |
| assertEquals(500, toNumber("+5e2")); |
| assertEquals(-500, toNumber("-5e2")); |
| assertEquals(500, toNumber("5e+2")); |
| assertEquals(500, toNumber("+5e+2")); |
| assertEquals(-500, toNumber("-5e+2")); |
| assertEquals(0.05, toNumber("5e-2")); |
| assertEquals(0.05, toNumber("+5e-2")); |
| assertEquals(-0.05, toNumber("-5e-2")); |
| |
| assertEquals(0.00001, toNumber(".00001")); |
| assertEquals(0.00001, toNumber("+.00001")); |
| assertEquals(-0.00001, toNumber("-.00001")); |
| assertEquals(1, toNumber(".00001e5")); |
| assertEquals(1, toNumber("+.00001e5")); |
| assertEquals(-1, toNumber("-.00001e5")); |
| assertEquals(1, toNumber(".00001e+5")); |
| assertEquals(1, toNumber("+.00001e+5")); |
| assertEquals(-1, toNumber("-.00001e+5")); |
| assertEquals(0.00001, toNumber(".001e-2")); |
| assertEquals(0.00001, toNumber("+.001e-2")); |
| assertEquals(-0.00001, toNumber("-.001e-2")); |
| |
| assertEquals(12340000, toNumber("1234e4")); |
| assertEquals(12340000, toNumber("+1234e4")); |
| assertEquals(-12340000, toNumber("-1234e4")); |
| assertEquals(12340000, toNumber("1234e+4")); |
| assertEquals(12340000, toNumber("+1234e+4")); |
| assertEquals(-12340000, toNumber("-1234e+4")); |
| assertEquals(0.1234, toNumber("1234e-4")); |
| assertEquals(0.1234, toNumber("+1234e-4")); |
| assertEquals(-0.1234, toNumber("-1234e-4")); |
| |
| assertEquals(0, toNumber("0x0")); |
| assertEquals(1, toNumber("0x1")); |
| assertEquals(2, toNumber("0x2")); |
| assertEquals(9, toNumber("0x9")); |
| assertEquals(10, toNumber("0xa")); |
| assertEquals(11, toNumber("0xb")); |
| assertEquals(15, toNumber("0xf")); |
| assertEquals(10, toNumber("0xA")); |
| assertEquals(11, toNumber("0xB")); |
| assertEquals(15, toNumber("0xF")); |
| |
| assertEquals(0, toNumber("0X0")); |
| assertEquals(9, toNumber("0X9")); |
| assertEquals(10, toNumber("0Xa")); |
| assertEquals(10, toNumber("0XA")); |
| assertEquals(15, toNumber("0Xf")); |
| assertEquals(15, toNumber("0XF")); |
| |
| assertEquals(0, toNumber("0x000")); |
| assertEquals(0, toNumber("0x000" + repeat('0', 1000))); |
| assertEquals(9, toNumber("0x009")); |
| assertEquals(10, toNumber("0x00a")); |
| assertEquals(10, toNumber("0x00A")); |
| assertEquals(15, toNumber("0x00f")); |
| assertEquals(15, toNumber("0x00F")); |
| assertEquals(15, toNumber("0x00F ")); |
| assertEquals(Infinity, toNumber("0x" + repeat('0', 1000) + '1' |
| + repeat('0', 1000))); |
| |
| assertEquals(0x1000000 * 0x10000000, toNumber("0x10000000000000")); |
| assertEquals(0x1000000 * 0x10000000 + 1, toNumber("0x10000000000001")); |
| assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000000")); |
| assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000001")); |
| assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000007")); |
| assertEquals(0x10 * 0x1000000 * 0x10000000, toNumber("0x100000000000008")); |
| assertEquals(0x10 * (0x1000000 * 0x10000000 + 1), |
| toNumber("0x100000000000009")); |
| assertEquals(0x10 * (0x1000000 * 0x10000000 + 1), |
| toNumber("0x10000000000000F")); |
| assertEquals(0x10 * (0x1000000 * 0x10000000 + 1), |
| toNumber("0x100000000000010")); |
| assertEquals(0x100000000000 * 0x1000000 * 0x10000000, |
| toNumber("0x1000000000000000000000000")); |
| assertEquals(0x100000000000 * 0x1000000 * 0x10000000, |
| toNumber("0x1000000000000080000000000")); |
| assertEquals(0x100000000000 * (0x1000000 * 0x10000000 + 1), |
| toNumber("0x1000000000000080000000001")); |
| assertEquals(0x100000000000 * 0x1000000 * 0x10000000, |
| toNumber(" 0x1000000000000000000000000 ")); |
| |
| assertEquals(0, toNumber("00")); |
| assertEquals(1, toNumber("01")); |
| assertEquals(2, toNumber("02")); |
| assertEquals(10, toNumber("010")); |
| assertEquals(100, toNumber("0100")); |
| assertEquals(100, toNumber("000100")); |
| |
| assertEquals(Infinity, toNumber("1e999"), "1e999"); |
| assertEquals(-Infinity, toNumber("-1e999")); |
| assertEquals(0, toNumber("1e-999")); |
| assertEquals(-0, toNumber("-1e-999")); |
| assertEquals(Infinity, 1 / toNumber("1e-999"), "1e-999"); |
| assertEquals(-Infinity, 1 / toNumber("-1e-999")); |
| |
| assertTrue(isNaN(toNumber("junk")), "junk"); |
| assertTrue(isNaN(toNumber("100 junk")), "100 junk"); |
| assertTrue(isNaN(toNumber("0x100 junk")), "0x100 junk"); |
| assertTrue(isNaN(toNumber("100.0 junk")), "100.0 junk"); |
| assertTrue(isNaN(toNumber(".1e4 junk")), ".1e4 junk"); |
| assertTrue(isNaN(toNumber("Infinity junk")), "Infinity junk"); |
| assertTrue(isNaN(toNumber("1e")), "1e"); |
| assertTrue(isNaN(toNumber("1e ")), "1e_"); |
| assertTrue(isNaN(toNumber("1" + repeat('0', 1000) + 'junk')), "1e1000 junk"); |
| |
| for (var i = 1; i < 12; i++) { |
| assertEquals(toNumber('1' + repeat('0', i)), Math.pow(10.0, i)); |
| } |
| |
| assertTrue(isNaN(toNumber("+0x0"))); |
| assertTrue(isNaN(toNumber("+0xFF"))); |
| assertTrue(isNaN(toNumber("+0x012"))); |
| assertTrue(isNaN(toNumber("-0x0"))); |
| assertTrue(isNaN(toNumber("-0xFF"))); |
| assertTrue(isNaN(toNumber("-0x012"))); |
