1 // Copyright 2015 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 // Flags: --allow-natives-syntax 6 7 assertEquals(1, %ToNumber(1)); 8 assertEquals(1, %_ToNumber(1)); 9 10 assertEquals(.5, %ToNumber(.5)); 11 assertEquals(.5, %_ToNumber(.5)); 12 13 assertEquals(0, %ToNumber(null)); 14 assertEquals(0, %_ToNumber(null)); 15 16 assertEquals(1, %ToNumber(true)); 17 assertEquals(1, %_ToNumber(true)); 18 19 assertEquals(0, %ToNumber(false)); 20 assertEquals(0, %_ToNumber(false)); 21 22 assertEquals(NaN, %ToNumber(undefined)); 23 assertEquals(NaN, %_ToNumber(undefined)); 24 25 assertEquals(-1, %ToNumber("-1")); 26 assertEquals(-1, %_ToNumber("-1")); 27 assertEquals(123, %ToNumber("123")); 28 assertEquals(123, %_ToNumber("123")); 29 assertEquals(NaN, %ToNumber("random text")); 30 assertEquals(NaN, %_ToNumber("random text")); 31 32 assertThrows(function() { %ToNumber(Symbol.toPrimitive) }, TypeError); 33 assertThrows(function() { %_ToNumber(Symbol.toPrimitive) }, TypeError); 34 35 var a = { toString: function() { return 54321 }}; 36 assertEquals(54321, %ToNumber(a)); 37 assertEquals(54321, %_ToNumber(a)); 38 39 var b = { valueOf: function() { return 42 }}; 40 assertEquals(42, %ToNumber(b)); 41 assertEquals(42, %_ToNumber(b)); 42 43 var c = { 44 toString: function() { return "x"}, 45 valueOf: function() { return 123 } 46 }; 47 assertEquals(123, %ToNumber(c)); 48 assertEquals(123, %_ToNumber(c)); 49 50 var d = { 51 [Symbol.toPrimitive]: function(hint) { 52 assertEquals("number", hint); 53 return 987654321; 54 } 55 }; 56 assertEquals(987654321, %ToNumber(d)); 57 assertEquals(987654321, %_ToNumber(d)); 58 59 var e = new Date(0); 60 assertEquals(0, %ToNumber(e)); 61 assertEquals(0, %_ToNumber(e)); 62
