Percise rounding parsing octal and hexadecimal strings....

test/mjsunit/str-to-num.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
@@ skipping 26 matching lines @@
     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"));
@@ skipping 86 matching lines @@
 assertEquals(15, toNumber("0XF"));
 
 assertEquals(0,  toNumber("0x000"));
 assertEquals(-Infinity,  1 / 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(-Infinity,  toNumber("-0x1" + 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");