1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 assertTrue(isNaN(Math.cbrt(NaN))); 6 assertTrue(isNaN(Math.cbrt(function() {}))); 7 assertTrue(isNaN(Math.cbrt({ toString: function() { return NaN; } }))); 8 assertTrue(isNaN(Math.cbrt({ valueOf: function() { return "abc"; } }))); 9 assertEquals("Infinity", String(1/Math.cbrt(0))); 10 assertEquals("-Infinity", String(1/Math.cbrt(-0))); 11 assertEquals("Infinity", String(Math.cbrt(Infinity))); 12 assertEquals("-Infinity", String(Math.cbrt(-Infinity))); 13 14 for (var i = 1E-100; i < 1E100; i *= Math.PI) { 15 assertEqualsDelta(i, Math.cbrt(i*i*i), i * 1E-15); 16 } 17 18 for (var i = -1E-100; i > -1E100; i *= Math.E) { 19 assertEqualsDelta(i, Math.cbrt(i*i*i), -i * 1E-15); 20 } 21 22 // Let's be exact at least for small integers. 23 for (var i = 2; i < 10000; i++) { 24 assertEquals(i, Math.cbrt(i*i*i)); 25 } 26
