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(0, %ToLength(NaN)); 8 assertEquals(0, %_ToLength(NaN)); 9 10 assertEquals(0, %ToLength(-Infinity)); 11 assertEquals(0, %_ToLength(-Infinity)); 12 13 assertEquals(0, %ToLength(0)); 14 assertEquals(0, %_ToLength(0)); 15 16 assertEquals(0, %ToLength(.5)); 17 assertEquals(0, %_ToLength(.5)); 18 19 assertEquals(42, %ToLength(42.99999)); 20 assertEquals(42, %_ToLength(42.99999)); 21 22 assertEquals(9007199254740991, %ToLength(9007199254740991)); 23 assertEquals(9007199254740991, %_ToLength(9007199254740991)); 24 25 assertEquals(9007199254740991, %ToLength(Infinity)); 26 assertEquals(9007199254740991, %_ToLength(Infinity)); 27 28 assertEquals(0, %ToLength(null)); 29 assertEquals(0, %_ToLength(null)); 30 31 assertEquals(1, %ToLength(true)); 32 assertEquals(1, %_ToLength(true)); 33 34 assertEquals(0, %ToLength(false)); 35 assertEquals(0, %_ToLength(false)); 36 37 assertEquals(0, %ToLength(undefined)); 38 assertEquals(0, %_ToLength(undefined)); 39 40 assertEquals(0, %ToLength("-1")); 41 assertEquals(0, %_ToLength("-1")); 42 assertEquals(123, %ToLength("123")); 43 assertEquals(123, %_ToLength("123")); 44 assertEquals(0, %ToLength("random text")); 45 assertEquals(0, %_ToLength("random text")); 46 47 assertThrows(function() { %ToLength(Symbol.toPrimitive) }, TypeError); 48 assertThrows(function() { %_ToLength(Symbol.toPrimitive) }, TypeError); 49 50 var a = { toString: function() { return 54321 }}; 51 assertEquals(54321, %ToLength(a)); 52 assertEquals(54321, %_ToLength(a)); 53 54 var b = { valueOf: function() { return 42 }}; 55 assertEquals(42, %ToLength(b)); 56 assertEquals(42, %_ToLength(b)); 57 58 var c = { 59 toString: function() { return "x"}, 60 valueOf: function() { return 123 } 61 }; 62 assertEquals(123, %ToLength(c)); 63 assertEquals(123, %_ToLength(c)); 64 65 var d = { 66 [Symbol.toPrimitive]: function(hint) { 67 assertEquals("number", hint); 68 return 987654321; 69 } 70 }; 71 assertEquals(987654321, %ToLength(d)); 72 assertEquals(987654321, %_ToLength(d)); 73 74 var e = new Date(0); 75 assertEquals(0, %ToLength(e)); 76 assertEquals(0, %_ToLength(e)); 77
