JezK
Edit File: number-tostring.js
// 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. // ---------------------------------------------------------------------- // toString assertEquals("NaN", (NaN).toString()); assertEquals("Infinity", (1/0).toString()); assertEquals("-Infinity", (-1/0).toString()); assertEquals("0", (0).toString()); assertEquals("9", (9).toString()); assertEquals("90", (90).toString()); assertEquals("90.12", (90.12).toString()); assertEquals("0.1", (0.1).toString()); assertEquals("0.01", (0.01).toString()); assertEquals("0.0123", (0.0123).toString()); assertEquals("111111111111111110000", (111111111111111111111).toString()); assertEquals("1.1111111111111111e+21", (1111111111111111111111).toString()); assertEquals("1.1111111111111111e+22", (11111111111111111111111).toString()); assertEquals("0.00001", (0.00001).toString()); assertEquals("0.000001", (0.000001).toString()); assertEquals("1e-7", (0.0000001).toString()); assertEquals("1.2e-7", (0.00000012).toString()); assertEquals("1.23e-7", (0.000000123).toString()); assertEquals("1e-8", (0.00000001).toString()); assertEquals("1.2e-8", (0.000000012).toString()); assertEquals("1.23e-8", (0.0000000123).toString()); assertEquals("0", (-0).toString()); assertEquals("-9", (-9).toString()); assertEquals("-90", (-90).toString()); assertEquals("-90.12", (-90.12).toString()); assertEquals("-0.1", (-0.1).toString()); assertEquals("-0.01", (-0.01).toString()); assertEquals("-0.0123", (-0.0123).toString()); assertEquals("-111111111111111110000", (-111111111111111111111).toString()); assertEquals("-1.1111111111111111e+21", (-1111111111111111111111).toString()); assertEquals("-1.1111111111111111e+22", (-11111111111111111111111).toString()); assertEquals("-0.00001", (-0.00001).toString()); assertEquals("-0.000001", (-0.000001).toString()); assertEquals("-1e-7", (-0.0000001).toString()); assertEquals("-1.2e-7", (-0.00000012).toString()); assertEquals("-1.23e-7", (-0.000000123).toString()); assertEquals("-1e-8", (-0.00000001).toString()); assertEquals("-1.2e-8", (-0.000000012).toString()); assertEquals("-1.23e-8", (-0.0000000123).toString()); assertEquals("NaN", (NaN).toString(16)); assertEquals("Infinity", (1/0).toString(16)); assertEquals("-Infinity", (-1/0).toString(16)); assertEquals("0", (0).toString(16)); assertEquals("9", (9).toString(16)); assertEquals("5a", (90).toString(16)); assertEquals("5a.1eb851eb852", (90.12).toString(16)); assertEquals("0.1999999999999a", (0.1).toString(16)); assertEquals("0.028f5c28f5c28f6", (0.01).toString(16)); assertEquals("0.032617c1bda511a", (0.0123).toString(16)); assertEquals("605f9f6dd18bc8000", (111111111111111111111).toString(16)); assertEquals("3c3bc3a4a2f75c0000", (1111111111111111111111).toString(16)); assertEquals("25a55a46e5da9a00000", (11111111111111111111111).toString(16)); assertEquals("0.0000a7c5ac471b4788", (0.00001).toString(16)); assertEquals("0.000010c6f7a0b5ed8d", (0.000001).toString(16)); assertEquals("0.000001ad7f29abcaf48", (0.0000001).toString(16)); assertEquals("0.000002036565348d256", (0.00000012).toString(16)); assertEquals("0.0000021047ee22aa466", (0.000000123).toString(16)); assertEquals("0.0000002af31dc4611874", (0.00000001).toString(16)); assertEquals("0.000000338a23b87483be", (0.000000012).toString(16)); assertEquals("0.00000034d3fe36aaa0a2", (0.0000000123).toString(16)); assertEquals("0", (-0).toString(16)); assertEquals("-9", (-9).toString(16)); assertEquals("-5a", (-90).toString(16)); assertEquals("-5a.1eb851eb852", (-90.12).toString(16)); assertEquals("-0.1999999999999a", (-0.1).toString(16)); assertEquals("-0.028f5c28f5c28f6", (-0.01).toString(16)); assertEquals("-0.032617c1bda511a", (-0.0123).toString(16)); assertEquals("-605f9f6dd18bc8000", (-111111111111111111111).toString(16)); assertEquals("-3c3bc3a4a2f75c0000", (-1111111111111111111111).toString(16)); assertEquals("-25a55a46e5da9a00000", (-11111111111111111111111).toString(16)); assertEquals("-0.0000a7c5ac471b4788", (-0.00001).toString(16)); assertEquals("-0.000010c6f7a0b5ed8d", (-0.000001).toString(16)); assertEquals("-0.000001ad7f29abcaf48", (-0.0000001).toString(16)); assertEquals("-0.000002036565348d256", (-0.00000012).toString(16)); assertEquals("-0.0000021047ee22aa466", (-0.000000123).toString(16)); assertEquals("-0.0000002af31dc4611874", (-0.00000001).toString(16)); assertEquals("-0.000000338a23b87483be", (-0.000000012).toString(16)); assertEquals("-0.00000034d3fe36aaa0a2", (-0.0000000123).toString(16)); assertEquals("4294967296", Math.pow(2,32).toString()); assertEquals("ffffffff", (Math.pow(2,32)-1).toString(16)); assertEquals("11111111111111111111111111111111", (Math.pow(2,32)-1).toString(2)); assertEquals("5yc1z", (10000007).toString(36)); assertEquals("0", (0).toString(36)); assertEquals("0", (0).toString(16)); assertEquals("0", (0).toString(10)); assertEquals("0", (0).toString(8)); assertEquals("0", (0).toString(2)); assertEquals("100000000000000000000000000000000", Math.pow(2,32).toString(2)); assertEquals("100000000000000000000000000000001", (Math.pow(2,32) + 1).toString(2)); assertEquals("100000000000080", (0x100000000000081).toString(16)); assertEquals("1000000000000100", (-(-'0x1000000000000081')).toString(16)); assertEquals("1000000000000000", (-(-'0x1000000000000080')).toString(16)); assertEquals("1000000000000000", (-(-'0x100000000000007F')).toString(16)); assertEquals("100000000000000000000000000000000000000000000000010000000", (0x100000000000081).toString(2)); assertEquals("-11111111111111111111111111111111", (-(Math.pow(2,32)-1)).toString(2)); assertEquals("-5yc1z", (-10000007).toString(36)); assertEquals("-100000000000000000000000000000000", (-Math.pow(2,32)).toString(2)); assertEquals("-100000000000000000000000000000001", (-(Math.pow(2,32) + 1)).toString(2)); assertEquals("-100000000000080", (-0x100000000000081).toString(16)); assertEquals("-100000000000000000000000000000000000000000000000010000000", (-0x100000000000081).toString(2)); assertEquals("1000", (1000).toString()); assertEquals("0.00001", (0.00001).toString()); assertEquals("1000000000000000100", (1000000000000000128).toString()); assertEquals("1e+21", (1000000000000000012800).toString()); assertEquals("-1e+21", (-1000000000000000012800).toString()); assertEquals("1e-7", (0.0000001).toString()); assertEquals("-1e-7", (-0.0000001).toString()); assertEquals("1.0000000000000001e+21", (1000000000000000128000).toString()); assertEquals("0.000001", (0.000001).toString()); assertEquals("1e-7", (0.0000001).toString()); assertEquals("8.8", (8.5).toString(16)); assertEquals("-8.8", (-8.5).toString(16)); // ---------------------------------------------------------------------- // toFixed assertEquals("NaN", (NaN).toFixed(2)); assertEquals("Infinity", (1/0).toFixed(2)); assertEquals("-Infinity", (-1/0).toFixed(2)); assertEquals("1.1111111111111111e+21", (1111111111111111111111).toFixed(8)); assertEquals("0.1", (0.1).toFixed(1)); assertEquals("0.10", (0.1).toFixed(2)); assertEquals("0.100", (0.1).toFixed(3)); assertEquals("0.01", (0.01).toFixed(2)); assertEquals("0.010", (0.01).toFixed(3)); assertEquals("0.0100", (0.01).toFixed(4)); assertEquals("0.00", (0.001).toFixed(2)); assertEquals("0.001", (0.001).toFixed(3)); assertEquals("0.0010", (0.001).toFixed(4)); assertEquals("1.0000", (1).toFixed(4)); assertEquals("1.0", (1).toFixed(1)); assertEquals("1", (1).toFixed(0)); assertEquals("12", (12).toFixed(0)); assertEquals("1", (1.1).toFixed(0)); assertEquals("12", (12.1).toFixed(0)); assertEquals("1", (1.12).toFixed(0)); assertEquals("12", (12.12).toFixed(0)); assertEquals("0.0000006", (0.0000006).toFixed(7)); assertEquals("0.00000006", (0.00000006).toFixed(8)); assertEquals("0.000000060", (0.00000006).toFixed(9)); assertEquals("0.0000000600", (0.00000006).toFixed(10)); assertEquals("0", (0).toFixed(0)); assertEquals("0.0", (0).toFixed(1)); assertEquals("0.00", (0).toFixed(2)); assertEquals("-1.1111111111111111e+21", (-1111111111111111111111).toFixed(8)); assertEquals("-0.1", (-0.1).toFixed(1)); assertEquals("-0.10", (-0.1).toFixed(2)); assertEquals("-0.100", (-0.1).toFixed(3)); assertEquals("-0.01", (-0.01).toFixed(2)); assertEquals("-0.010", (-0.01).toFixed(3)); assertEquals("-0.0100", (-0.01).toFixed(4)); assertEquals("-0.00", (-0.001).toFixed(2)); assertEquals("-0.001", (-0.001).toFixed(3)); assertEquals("-0.0010", (-0.001).toFixed(4)); assertEquals("-1.0000", (-1).toFixed(4)); assertEquals("-1.0", (-1).toFixed(1)); assertEquals("-1", (-1).toFixed(0)); assertEquals("-1", (-1.1).toFixed(0)); assertEquals("-12", (-12.1).toFixed(0)); assertEquals("-1", (-1.12).toFixed(0)); assertEquals("-12", (-12.12).toFixed(0)); assertEquals("-0.0000006", (-0.0000006).toFixed(7)); assertEquals("-0.00000006", (-0.00000006).toFixed(8)); assertEquals("-0.000000060", (-0.00000006).toFixed(9)); assertEquals("-0.0000000600", (-0.00000006).toFixed(10)); assertEquals("0", (-0).toFixed(0)); assertEquals("0.0", (-0).toFixed(1)); assertEquals("0.00", (-0).toFixed(2)); assertEquals("1000", (1000).toFixed()); assertEquals("0", (0.00001).toFixed()); assertEquals("0.00001", (0.00001).toFixed(5)); assertEquals("0.00000000000000000010", (0.0000000000000000001).toFixed(20)); assertEquals("0.00001000000000000", (0.00001).toFixed(17)); assertEquals("1.00000000000000000", (1).toFixed(17)); assertEquals("1000000000000000128", (1000000000000000128).toFixed()); assertEquals("100000000000000128.0", (100000000000000128).toFixed(1)); assertEquals("10000000000000128.00", (10000000000000128).toFixed(2)); assertEquals("10000000000000128.00000000000000000000", (10000000000000128).toFixed(20)); assertEquals("0", (0).toFixed()); assertEquals("-42.000", ((-42).toFixed(3))); assertEquals("-1000000000000000128", (-1000000000000000128).toFixed()); assertEquals("-0.00000000000000000010", (-0.0000000000000000001).toFixed(20)); assertEquals("0.12312312312312299889", (0.123123123123123).toFixed(20)); // Test that we round up even when the last digit generated is even. // dtoa does not do this in its original form. assertEquals("1", 0.5.toFixed(0), "0.5.toFixed(0)"); assertEquals("-1", (-0.5).toFixed(0), "(-0.5).toFixed(0)"); assertEquals("1.3", 1.25.toFixed(1), "1.25.toFixed(1)"); // This is bizare, but Spidermonkey and KJS behave the same. assertEquals("234.2040", (234.20405).toFixed(4), "234.2040.toFixed(4)"); assertEquals("234.2041", (234.2040506).toFixed(4)); // ---------------------------------------------------------------------- // toExponential assertEquals("1e+0", (1).toExponential()); assertEquals("1.1e+1", (11).toExponential()); assertEquals("1.12e+2", (112).toExponential()); assertEquals("1e+0", (1).toExponential(0)); assertEquals("1e+1", (11).toExponential(0)); assertEquals("1e+2", (112).toExponential(0)); assertEquals("1.0e+0", (1).toExponential(1)); assertEquals("1.1e+1", (11).toExponential(1)); assertEquals("1.1e+2", (112).toExponential(1)); assertEquals("1.00e+0", (1).toExponential(2)); assertEquals("1.10e+1", (11).toExponential(2)); assertEquals("1.12e+2", (112).toExponential(2)); assertEquals("1.000e+0", (1).toExponential(3)); assertEquals("1.100e+1", (11).toExponential(3)); assertEquals("1.120e+2", (112).toExponential(3)); assertEquals("1e-1", (0.1).toExponential()); assertEquals("1.1e-1", (0.11).toExponential()); assertEquals("1.12e-1", (0.112).toExponential()); assertEquals("1e-1", (0.1).toExponential(0)); assertEquals("1e-1", (0.11).toExponential(0)); assertEquals("1e-1", (0.112).toExponential(0)); assertEquals("1.0e-1", (0.1).toExponential(1)); assertEquals("1.1e-1", (0.11).toExponential(1)); assertEquals("1.1e-1", (0.112).toExponential(1)); assertEquals("1.00e-1", (0.1).toExponential(2)); assertEquals("1.10e-1", (0.11).toExponential(2)); assertEquals("1.12e-1", (0.112).toExponential(2)); assertEquals("1.000e-1", (0.1).toExponential(3)); assertEquals("1.100e-1", (0.11).toExponential(3)); assertEquals("1.120e-1", (0.112).toExponential(3)); assertEquals("-1e+0", (-1).toExponential()); assertEquals("-1.1e+1", (-11).toExponential()); assertEquals("-1.12e+2", (-112).toExponential()); assertEquals("-1e+0", (-1).toExponential(0)); assertEquals("-1e+1", (-11).toExponential(0)); assertEquals("-1e+2", (-112).toExponential(0)); assertEquals("-1.0e+0", (-1).toExponential(1)); assertEquals("-1.1e+1", (-11).toExponential(1)); assertEquals("-1.1e+2", (-112).toExponential(1)); assertEquals("-1.00e+0", (-1).toExponential(2)); assertEquals("-1.10e+1", (-11).toExponential(2)); assertEquals("-1.12e+2", (-112).toExponential(2)); assertEquals("-1.000e+0", (-1).toExponential(3)); assertEquals("-1.100e+1", (-11).toExponential(3)); assertEquals("-1.120e+2", (-112).toExponential(3)); assertEquals("-1e-1", (-0.1).toExponential()); assertEquals("-1.1e-1", (-0.11).toExponential()); assertEquals("-1.12e-1", (-0.112).toExponential()); assertEquals("-1e-1", (-0.1).toExponential(0)); assertEquals("-1e-1", (-0.11).toExponential(0)); assertEquals("-1e-1", (-0.112).toExponential(0)); assertEquals("-1.0e-1", (-0.1).toExponential(1)); assertEquals("-1.1e-1", (-0.11).toExponential(1)); assertEquals("-1.1e-1", (-0.112).toExponential(1)); assertEquals("-1.00e-1", (-0.1).toExponential(2)); assertEquals("-1.10e-1", (-0.11).toExponential(2)); assertEquals("-1.12e-1", (-0.112).toExponential(2)); assertEquals("-1.000e-1", (-0.1).toExponential(3)); assertEquals("-1.100e-1", (-0.11).toExponential(3)); assertEquals("-1.120e-1", (-0.112).toExponential(3)); assertEquals("NaN", (NaN).toExponential(2)); assertEquals("Infinity", (Infinity).toExponential(2)); assertEquals("-Infinity", (-Infinity).toExponential(2)); assertEquals("1e+0", (1).toExponential(0)); assertEquals("0e+0", (0).toExponential()); assertEquals("0.00e+0", (0).toExponential(2)); assertEquals("1e+1", (11.2356).toExponential(0)); assertEquals("1.1236e+1", (11.2356).toExponential(4)); assertEquals("1.1236e-4", (0.000112356).toExponential(4)); assertEquals("-1.1236e-4", (-0.000112356).toExponential(4)); assertEquals("1.12356e-4", (0.000112356).toExponential()); assertEquals("-1.12356e-4", (-0.000112356).toExponential()); // ---------------------------------------------------------------------- // toPrecision assertEquals("NaN", (NaN).toPrecision(1)); assertEquals("Infinity", (Infinity).toPrecision(2)); assertEquals("-Infinity", (-Infinity).toPrecision(2)); assertEquals("0.000555000000000000", (0.000555).toPrecision(15)); assertEquals("5.55000000000000e-7", (0.000000555).toPrecision(15)); assertEquals("-5.55000000000000e-7", (-0.000000555).toPrecision(15)); assertEquals("1e+8", (123456789).toPrecision(1)); assertEquals("123456789", (123456789).toPrecision(9)); assertEquals("1.2345679e+8", (123456789).toPrecision(8)); assertEquals("1.234568e+8", (123456789).toPrecision(7)); assertEquals("-1.234568e+8", (-123456789).toPrecision(7)); assertEquals("-1.2e-9", Number(-.0000000012345).toPrecision(2)); assertEquals("-1.2e-8", Number(-.000000012345).toPrecision(2)); assertEquals("-1.2e-7", Number(-.00000012345).toPrecision(2)); assertEquals("-0.0000012", Number(-.0000012345).toPrecision(2)); assertEquals("-0.000012", Number(-.000012345).toPrecision(2)); assertEquals("-0.00012", Number(-.00012345).toPrecision(2)); assertEquals("-0.0012", Number(-.0012345).toPrecision(2)); assertEquals("-0.012", Number(-.012345).toPrecision(2)); assertEquals("-0.12", Number(-.12345).toPrecision(2)); assertEquals("-1.2", Number(-1.2345).toPrecision(2)); assertEquals("-12", Number(-12.345).toPrecision(2)); assertEquals("-1.2e+2", Number(-123.45).toPrecision(2)); assertEquals("-1.2e+3", Number(-1234.5).toPrecision(2)); assertEquals("-1.2e+4", Number(-12345).toPrecision(2)); assertEquals("-1.235e+4", Number(-12345.67).toPrecision(4)); assertEquals("-1.234e+4", Number(-12344.67).toPrecision(4)); // Test that we round up even when the last digit generated is even. // dtoa does not do this in its original form. assertEquals("1.3", 1.25.toPrecision(2), "1.25.toPrecision(2)"); assertEquals("1.4", 1.35.toPrecision(2), "1.35.toPrecision(2)");