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 // Test that Array builtins can be called on primitive values. 6 var values = [ 23, 4.2, true, false, 0/0 ]; 7 for (var i = 0; i < values.length; ++i) { 8 var v = values[i]; 9 Array.prototype.join.call(v); 10 Array.prototype.pop.call(v); 11 Array.prototype.push.call(v); 12 Array.prototype.reverse.call(v); 13 Array.prototype.shift.call(v); 14 Array.prototype.slice.call(v); 15 Array.prototype.splice.call(v); 16 Array.prototype.unshift.call(v); 17 } 18 19 // Test that ToObject on primitive values is only called once. 20 var length_receiver, element_receiver; 21 function length() { length_receiver = this; return 2; } 22 function element() { element_receiver = this; return "x"; } 23 Object.defineProperty(Number.prototype, "length", { get:length, set:length }); 24 Object.defineProperty(Number.prototype, "0", { get:element, set:element }); 25 Object.defineProperty(Number.prototype, "1", { get:element, set:element }); 26 Object.defineProperty(Number.prototype, "2", { get:element, set:element }); 27 function test_receiver(expected, call_string) { 28 assertDoesNotThrow(call_string); 29 assertEquals(new Number(expected), length_receiver); 30 assertSame(length_receiver, element_receiver); 31 } 32 33 test_receiver(11, "Array.prototype.join.call(11)") 34 test_receiver(23, "Array.prototype.pop.call(23)"); 35 test_receiver(42, "Array.prototype.push.call(42, 'y')"); 36 test_receiver(49, "Array.prototype.reverse.call(49)"); 37 test_receiver(65, "Array.prototype.shift.call(65)"); 38 test_receiver(77, "Array.prototype.slice.call(77, 1)"); 39 test_receiver(88, "Array.prototype.splice.call(88, 1, 1)"); 40 test_receiver(99, "Array.prototype.unshift.call(99, 'z')"); 41
