test/mjsunit/regress/regress-955.js

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// See: http://code.google.com/p/v8/issues/detail?id=955

// Correctly parse signed numbers.
assertEquals(-0, parseInt("-0"));
assertEquals(0, parseInt("+0"));

// Don't allow whitespace after signs in parseInt.
assertEquals(NaN, parseInt("- 0"));
assertEquals(NaN, parseInt("+ 0"));
assertEquals(NaN, parseInt("-\t0"));
assertEquals(NaN, parseInt("+\t0"));

// Do allow whitespace at start.
assertEquals(-0, parseInt(" -0"));
assertEquals(0, parseInt(" +0"));
assertEquals(-0, parseInt("\t-0"));
assertEquals(0, parseInt("\t+0"));