1// Copyright 2013 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// ---------------------------------------------------------------------- 29// toString 30function testToString(a, b) { 31 assertEquals(a, b.toString()); 32} 33 34function testToStringP(a, b, c) { 35 assertEquals(a, b.toString(c)); 36} 37 38testToString("NaN", (NaN)); 39testToString("Infinity", (1/0)); 40testToString("-Infinity", (-1/0)); 41testToString("0", (0)); 42testToString("9", (9)); 43testToString("90", (90)); 44testToString("90.12", (90.12)); 45testToString("0.1", (0.1)); 46testToString("0.01", (0.01)); 47testToString("0.0123", (0.0123)); 48testToString("111111111111111110000", (111111111111111111111)); 49testToString("1.1111111111111111e+21", (1111111111111111111111)); 50testToString("1.1111111111111111e+22", (11111111111111111111111)); 51testToString("0.00001", (0.00001)); 52testToString("0.000001", (0.000001)); 53testToString("1e-7", (0.0000001)); 54testToString("1.2e-7", (0.00000012)); 55testToString("1.23e-7", (0.000000123)); 56testToString("1e-8", (0.00000001)); 57testToString("1.2e-8", (0.000000012)); 58testToString("1.23e-8", (0.0000000123)); 59 60testToString("0", (-0)); 61testToString("-9", (-9)); 62testToString("-90", (-90)); 63testToString("-90.12", (-90.12)); 64testToString("-0.1", (-0.1)); 65testToString("-0.01", (-0.01)); 66testToString("-0.0123", (-0.0123)); 67testToString("-111111111111111110000", (-111111111111111111111)); 68testToString("-1.1111111111111111e+21", (-1111111111111111111111)); 69testToString("-1.1111111111111111e+22", (-11111111111111111111111)); 70testToString("-0.00001", (-0.00001)); 71testToString("-0.000001", (-0.000001)); 72testToString("-1e-7", (-0.0000001)); 73testToString("-1.2e-7", (-0.00000012)); 74testToString("-1.23e-7", (-0.000000123)); 75testToString("-1e-8", (-0.00000001)); 76testToString("-1.2e-8", (-0.000000012)); 77testToString("-1.23e-8", (-0.0000000123)); 78 79testToString("1000", (1000)); 80testToString("0.00001", (0.00001)); 81testToString("1000000000000000100", (1000000000000000128)); 82testToString("1e+21", (1000000000000000012800)); 83testToString("-1e+21", (-1000000000000000012800)); 84testToString("1e-7", (0.0000001)); 85testToString("-1e-7", (-0.0000001)); 86testToString("1.0000000000000001e+21", (1000000000000000128000)); 87testToString("0.000001", (0.000001)); 88testToString("1e-7", (0.0000001)); 89 90testToStringP("NaN", (NaN), 16); 91testToStringP("Infinity", (1/0), 16); 92testToStringP("-Infinity", (-1/0), 16); 93testToStringP("0", (0), 16); 94testToStringP("9", (9), 16); 95testToStringP("5a", (90), 16); 96testToStringP("5a.1eb851eb852", (90.12), 16); 97testToStringP("0.1999999999999a", (0.1), 16); 98testToStringP("0.028f5c28f5c28f6", (0.01), 16); 99testToStringP("0.032617c1bda511a", (0.0123), 16); 100testToStringP("605f9f6dd18bc8000", (111111111111111111111), 16); 101testToStringP("3c3bc3a4a2f75c0000", (1111111111111111111111), 16); 102testToStringP("25a55a46e5da9a00000", (11111111111111111111111), 16); 103testToStringP("0.0000a7c5ac471b4788", (0.00001), 16); 104testToStringP("0.000010c6f7a0b5ed8d", (0.000001), 16); 105testToStringP("0.000001ad7f29abcaf48", (0.0000001), 16); 106testToStringP("0.000002036565348d256", (0.00000012), 16); 107testToStringP("0.0000021047ee22aa466", (0.000000123), 16); 108testToStringP("0.0000002af31dc4611874", (0.00000001), 16); 109testToStringP("0.000000338a23b87483be", (0.000000012), 16); 110testToStringP("0.00000034d3fe36aaa0a2", (0.0000000123), 16); 111 112testToStringP("0", (-0), 16); 113testToStringP("-9", (-9), 16); 114testToStringP("-5a", (-90), 16); 115testToStringP("-5a.1eb851eb852", (-90.12), 16); 116testToStringP("-0.1999999999999a", (-0.1), 16); 117testToStringP("-0.028f5c28f5c28f6", (-0.01), 16); 118testToStringP("-0.032617c1bda511a", (-0.0123), 16); 119testToStringP("-605f9f6dd18bc8000", (-111111111111111111111), 16); 120testToStringP("-3c3bc3a4a2f75c0000", (-1111111111111111111111), 16); 121testToStringP("-25a55a46e5da9a00000", (-11111111111111111111111), 16); 122testToStringP("-0.0000a7c5ac471b4788", (-0.00001), 16); 123testToStringP("-0.000010c6f7a0b5ed8d", (-0.000001), 16); 124testToStringP("-0.000001ad7f29abcaf48", (-0.0000001), 16); 125testToStringP("-0.000002036565348d256", (-0.00000012), 16); 126testToStringP("-0.0000021047ee22aa466", (-0.000000123), 16); 127testToStringP("-0.0000002af31dc4611874", (-0.00000001), 16); 128testToStringP("-0.000000338a23b87483be", (-0.000000012), 16); 129testToStringP("-0.00000034d3fe36aaa0a2", (-0.0000000123), 16); 130 131testToString("4294967296", Math.pow(2,32)); 132testToStringP("ffffffff", (Math.pow(2,32)-1), 16); 133testToStringP("11111111111111111111111111111111", (Math.pow(2,32)-1), 2); 134testToStringP("5yc1z", (10000007), 36); 135testToStringP("0", (0), 36); 136testToStringP("0", (0), 16); 137testToStringP("0", (0), 10); 138testToStringP("0", (0), 8); 139testToStringP("0", (0), 2); 140testToStringP("100000000000000000000000000000000", Math.pow(2,32), 2); 141testToStringP("100000000000000000000000000000001", (Math.pow(2,32) + 1), 2); 142testToStringP("100000000000080", (0x100000000000081), 16); 143testToStringP("1000000000000100", (-(-'0x1000000000000081')), 16); 144testToStringP("1000000000000000", (-(-'0x1000000000000080')), 16); 145testToStringP("1000000000000000", (-(-'0x100000000000007F')), 16); 146testToStringP("100000000000000000000000000000000000000000000000010000000", (0x100000000000081), 2); 147testToStringP("-11111111111111111111111111111111", (-(Math.pow(2,32)-1)), 2); 148testToStringP("-5yc1z", (-10000007), 36); 149testToStringP("-100000000000000000000000000000000", (-Math.pow(2,32)), 2); 150testToStringP("-100000000000000000000000000000001", (-(Math.pow(2,32) + 1)), 2); 151testToStringP("-100000000000080", (-0x100000000000081), 16); 152testToStringP("-100000000000000000000000000000000000000000000000010000000", (-0x100000000000081), 2); 153testToStringP("8.8", (8.5), 16); 154testToStringP("-8.8", (-8.5), 16); 155 156// ---------------------------------------------------------------------- 157// toFixed 158function testToFixed(a, b, c) { 159 assertEquals(a, b.toFixed(c)); 160} 161 162testToFixed("NaN", (NaN), (2)); 163testToFixed("Infinity", (1/0), (2)); 164testToFixed("-Infinity", (-1/0), (2)); 165 166testToFixed("1.1111111111111111e+21", (1111111111111111111111), (8)); 167testToFixed("0.1", (0.1), (1)); 168testToFixed("0.10", (0.1), (2)); 169testToFixed("0.100", (0.1), (3)); 170testToFixed("0.01", (0.01), (2)); 171testToFixed("0.010", (0.01), (3)); 172testToFixed("0.0100", (0.01), (4)); 173testToFixed("0.00", (0.001), (2)); 174testToFixed("0.001", (0.001), (3)); 175testToFixed("0.0010", (0.001), (4)); 176testToFixed("1.0000", (1), (4)); 177testToFixed("1.0", (1), (1)); 178testToFixed("1", (1), (0)); 179testToFixed("12", (12), (0)); 180testToFixed("1", (1.1), (0)); 181testToFixed("12", (12.1), (0)); 182testToFixed("1", (1.12), (0)); 183testToFixed("12", (12.12), (0)); 184testToFixed("0.0000006", (0.0000006), (7)); 185testToFixed("0.00000006", (0.00000006), (8)); 186testToFixed("0.000000060", (0.00000006), (9)); 187testToFixed("0.0000000600", (0.00000006), (10)); 188testToFixed("0", (0), (0)); 189testToFixed("0.0", (0), (1)); 190testToFixed("0.00", (0), (2)); 191 192testToFixed("-1.1111111111111111e+21", (-1111111111111111111111), (8)); 193testToFixed("-0.1", (-0.1), (1)); 194testToFixed("-0.10", (-0.1), (2)); 195testToFixed("-0.100", (-0.1), (3)); 196testToFixed("-0.01", (-0.01), (2)); 197testToFixed("-0.010", (-0.01), (3)); 198testToFixed("-0.0100", (-0.01), (4)); 199testToFixed("-0.00", (-0.001), (2)); 200testToFixed("-0.001", (-0.001), (3)); 201testToFixed("-0.0010", (-0.001), (4)); 202testToFixed("-1.0000", (-1), (4)); 203testToFixed("-1.0", (-1), (1)); 204testToFixed("-1", (-1), (0)); 205testToFixed("-1", (-1.1), (0)); 206testToFixed("-12", (-12.1), (0)); 207testToFixed("-1", (-1.12), (0)); 208testToFixed("-12", (-12.12), (0)); 209testToFixed("-0.0000006", (-0.0000006), (7)); 210testToFixed("-0.00000006", (-0.00000006), (8)); 211testToFixed("-0.000000060", (-0.00000006), (9)); 212testToFixed("-0.0000000600", (-0.00000006), (10)); 213testToFixed("0", (-0), (0)); 214testToFixed("0.0", (-0), (1)); 215testToFixed("0.00", (-0), (2)); 216 217testToFixed("0.00001", (0.00001), (5)); 218testToFixed("0.00000000000000000010", (0.0000000000000000001), (20)); 219testToFixed("0.00001000000000000", (0.00001), (17)); 220testToFixed("1.00000000000000000", (1), (17)); 221testToFixed("100000000000000128.0", (100000000000000128), (1)); 222testToFixed("10000000000000128.00", (10000000000000128), (2)); 223testToFixed("10000000000000128.00000000000000000000", (10000000000000128), (20)); 224testToFixed("-42.000", (-42), (3)); 225testToFixed("-0.00000000000000000010", (-0.0000000000000000001), (20)); 226testToFixed("0.12312312312312299889", (0.123123123123123), (20)); 227 228assertEquals("-1000000000000000128", (-1000000000000000128).toFixed()); 229assertEquals("0", (0).toFixed()); 230assertEquals("1000000000000000128", (1000000000000000128).toFixed()); 231assertEquals("1000", (1000).toFixed()); 232assertEquals("0", (0.00001).toFixed()); 233// Test that we round up even when the last digit generated is even. 234// dtoa does not do this in its original form. 235assertEquals("1", 0.5.toFixed(0), "0.5.toFixed(0)"); 236assertEquals("-1", (-0.5).toFixed(0), "(-0.5).toFixed(0)"); 237assertEquals("1.3", 1.25.toFixed(1), "1.25.toFixed(1)"); 238// This is bizare, but Spidermonkey and KJS behave the same. 239assertEquals("234.2040", (234.20405).toFixed(4), "234.2040.toFixed(4)"); 240assertEquals("234.2041", (234.2040506).toFixed(4)); 241 242// ---------------------------------------------------------------------- 243// toExponential 244function testToExponential(a, b) { 245 assertEquals(a, b.toExponential()); 246} 247 248function testToExponentialP(a, b, c) { 249 assertEquals(a, b.toExponential(c)); 250} 251 252testToExponential("1e+0", (1)); 253testToExponential("1.1e+1", (11)); 254testToExponential("1.12e+2", (112)); 255testToExponential("1e-1", (0.1)); 256testToExponential("1.1e-1", (0.11)); 257testToExponential("1.12e-1", (0.112)); 258testToExponential("-1e+0", (-1)); 259testToExponential("-1.1e+1", (-11)); 260testToExponential("-1.12e+2", (-112)); 261testToExponential("-1e-1", (-0.1)); 262testToExponential("-1.1e-1", (-0.11)); 263testToExponential("-1.12e-1", (-0.112)); 264testToExponential("0e+0", (0)); 265testToExponential("1.12356e-4", (0.000112356)); 266testToExponential("-1.12356e-4", (-0.000112356)); 267 268testToExponentialP("1e+0", (1), (0)); 269testToExponentialP("1e+1", (11), (0)); 270testToExponentialP("1e+2", (112), (0)); 271testToExponentialP("1.0e+0", (1), (1)); 272testToExponentialP("1.1e+1", (11), (1)); 273testToExponentialP("1.1e+2", (112), (1)); 274testToExponentialP("1.00e+0", (1), (2)); 275testToExponentialP("1.10e+1", (11), (2)); 276testToExponentialP("1.12e+2", (112), (2)); 277testToExponentialP("1.000e+0", (1), (3)); 278testToExponentialP("1.100e+1", (11), (3)); 279testToExponentialP("1.120e+2", (112), (3)); 280testToExponentialP("1e-1", (0.1), (0)); 281testToExponentialP("1e-1", (0.11), (0)); 282testToExponentialP("1e-1", (0.112), (0)); 283testToExponentialP("1.0e-1", (0.1), (1)); 284testToExponentialP("1.1e-1", (0.11), (1)); 285testToExponentialP("1.1e-1", (0.112), (1)); 286testToExponentialP("1.00e-1", (0.1), (2)); 287testToExponentialP("1.10e-1", (0.11), (2)); 288testToExponentialP("1.12e-1", (0.112), (2)); 289testToExponentialP("1.000e-1", (0.1), (3)); 290testToExponentialP("1.100e-1", (0.11), (3)); 291testToExponentialP("1.120e-1", (0.112), (3)); 292 293testToExponentialP("-1e+0", (-1), (0)); 294testToExponentialP("-1e+1", (-11), (0)); 295testToExponentialP("-1e+2", (-112), (0)); 296testToExponentialP("-1.0e+0", (-1), (1)); 297testToExponentialP("-1.1e+1", (-11), (1)); 298testToExponentialP("-1.1e+2", (-112), (1)); 299testToExponentialP("-1.00e+0", (-1), (2)); 300testToExponentialP("-1.10e+1", (-11), (2)); 301testToExponentialP("-1.12e+2", (-112), (2)); 302testToExponentialP("-1.000e+0", (-1), (3)); 303testToExponentialP("-1.100e+1", (-11), (3)); 304testToExponentialP("-1.120e+2", (-112), (3)); 305testToExponentialP("-1e-1", (-0.1), (0)); 306testToExponentialP("-1e-1", (-0.11), (0)); 307testToExponentialP("-1e-1", (-0.112), (0)); 308testToExponentialP("-1.0e-1", (-0.1), (1)); 309testToExponentialP("-1.1e-1", (-0.11), (1)); 310testToExponentialP("-1.1e-1", (-0.112), (1)); 311testToExponentialP("-1.00e-1", (-0.1), (2)); 312testToExponentialP("-1.10e-1", (-0.11), (2)); 313testToExponentialP("-1.12e-1", (-0.112), (2)); 314testToExponentialP("-1.000e-1", (-0.1), (3)); 315testToExponentialP("-1.100e-1", (-0.11), (3)); 316testToExponentialP("-1.120e-1", (-0.112), (3)); 317 318testToExponentialP("NaN", (NaN), (2)); 319testToExponentialP("Infinity", (Infinity), (2)); 320testToExponentialP("-Infinity", (-Infinity), (2)); 321testToExponentialP("1e+0", (1), (0)); 322testToExponentialP("0.00e+0", (0), (2)); 323testToExponentialP("1e+1", (11.2356), (0)); 324testToExponentialP("1.1236e+1", (11.2356), (4)); 325testToExponentialP("1.1236e-4", (0.000112356), (4)); 326testToExponentialP("-1.1236e-4", (-0.000112356), (4)); 327 328// ---------------------------------------------------------------------- 329// toPrecision 330function testToPrecision(a, b, c) { 331 assertEquals(a, b.toPrecision(c)); 332} 333 334testToPrecision("NaN", (NaN), (1)); 335testToPrecision("Infinity", (Infinity), (2)); 336testToPrecision("-Infinity", (-Infinity), (2)); 337testToPrecision("0.000555000000000000", (0.000555), (15)); 338testToPrecision("5.55000000000000e-7", (0.000000555), (15)); 339testToPrecision("-5.55000000000000e-7", (-0.000000555), (15)); 340testToPrecision("1e+8", (123456789), (1)); 341testToPrecision("123456789", (123456789), (9)); 342testToPrecision("1.2345679e+8", (123456789), (8)); 343testToPrecision("1.234568e+8", (123456789), (7)); 344testToPrecision("-1.234568e+8", (-123456789), (7)); 345testToPrecision("-1.2e-9", Number(-.0000000012345), (2)); 346testToPrecision("-1.2e-8", Number(-.000000012345), (2)); 347testToPrecision("-1.2e-7", Number(-.00000012345), (2)); 348testToPrecision("-0.0000012", Number(-.0000012345), (2)); 349testToPrecision("-0.000012", Number(-.000012345), (2)); 350testToPrecision("-0.00012", Number(-.00012345), (2)); 351testToPrecision("-0.0012", Number(-.0012345), (2)); 352testToPrecision("-0.012", Number(-.012345), (2)); 353testToPrecision("-0.12", Number(-.12345), (2)); 354testToPrecision("-1.2", Number(-1.2345), (2)); 355testToPrecision("-12", Number(-12.345), (2)); 356testToPrecision("-1.2e+2", Number(-123.45), (2)); 357testToPrecision("-1.2e+3", Number(-1234.5), (2)); 358testToPrecision("-1.2e+4", Number(-12345), (2)); 359testToPrecision("-1.235e+4", Number(-12345.67), (4)); 360testToPrecision("-1.234e+4", Number(-12344.67), (4)); 361// Test that we round up even when the last digit generated is even. 362// dtoa does not do this in its original form. 363assertEquals("1.3", 1.25.toPrecision(2), "1.25.toPrecision(2)"); 364assertEquals("1.4", 1.35.toPrecision(2), "1.35.toPrecision(2)"); 365