Cross Reference: /external/chromium_org/v8/test/mjsunit/array-unshift.js

Lines Matching refs:array
28 // Check that unshifting array of holes keeps the original array
29 // as array of holes
31   var array = new Array(10);
32   assertEquals(13, array.unshift('1st', '2ns', '3rd'));
33   assertTrue(0 in array);
34   assertTrue(1 in array);
35   assertTrue(2 in array);
36   assertFalse(3 in array);
45   var array = new Array(len);
53   // array owns nothing...
54   assertFalse(array.hasOwnProperty(0));
55   assertFalse(array.hasOwnProperty(1));
56   assertFalse(array.hasOwnProperty(2));
59   assertEquals(array[0], at0);
60   assertEquals(array[1], undefined);
61   assertEquals(array[2], at2);
63   assertEquals(len, array.unshift());
68   // unshift makes array own 0 and 2...
69   assertTrue(array.hasOwnProperty(0));
70   assertFalse(array.hasOwnProperty(1));
71   assertTrue(array.hasOwnProperty(2));
74   assertEquals(array[0], at0);
75   assertEquals(array[1], undefined);
76   assertEquals(array[2], at2);
80 // Now check the case with array of holes and some elements on prototype.
83   var array = new Array(len);
87   assertEquals(len, array.length);
88   for (var i = 0; i < array.length; i++) {
89     assertEquals(array[i], Array.prototype[i]);
92   assertEquals(len + 1, array.unshift('head'));
94   assertEquals(len + 1, array.length);
95   // Note that unshift copies values from prototype into the array.
96   assertEquals(array[4], Array.prototype[3]);
97   assertTrue(array.hasOwnProperty(4));
99   assertEquals(array[8], Array.prototype[7]);
100   assertTrue(array.hasOwnProperty(8));
104   assertEquals(array[5], Array.prototype[5]);
105   assertFalse(array.hasOwnProperty(5));
107   assertEquals(array[3], Array.prototype[3]);
108   assertFalse(array.hasOwnProperty(3));
110   assertEquals(array[7], Array.prototype[7]);
111   assertFalse(array.hasOwnProperty(7));
123   var array = new Array(len);
131   array.__proto__ = array_proto;
133   // array owns nothing...
134   assertFalse(array.hasOwnProperty(0));
135   assertFalse(array.hasOwnProperty(1));
136   assertFalse(array.hasOwnProperty(2));
139   assertEquals(array[0], at0);
140   assertEquals(array[1], undefined);
141   assertEquals(array[2], at2);
143   assertEquals(len, array.unshift());
145   // unshift makes array own 0 and 2...
146   assertTrue(array.hasOwnProperty(0));
147   assertFalse(array.hasOwnProperty(1));
148   assertTrue(array.hasOwnProperty(2));
151   assertEquals(array[0], at0);
152   assertEquals(array[1], undefined);
153   assertEquals(array[2], at2);
157 // Now check the case with array of holes and some elements on prototype.
160   var array = new Array(len);
164   array.__proto__ = array_proto;
166   assertEquals(len, array.length);
167   for (var i = 0; i < array.length; i++) {
168     assertEquals(array[i], array_proto[i]);
171   assertEquals(len + 1, array.unshift('head'));
173   assertEquals(len + 1, array.length);
174   // Note that unshift copies values from prototype into the array.
175   assertEquals(array[4], array_proto[3]);
176   assertTrue(array.hasOwnProperty(4));
178   assertEquals(array[8], array_proto[7]);
179   assertTrue(array.hasOwnProperty(8));
183   assertEquals(array[5], array_proto[5]);
184   assertFalse(array.hasOwnProperty(5));
186   assertEquals(array[3], array_proto[3]);
187   assertFalse(array.hasOwnProperty(3));
189   assertEquals(array[7], array_proto[7]);
190   assertFalse(array.hasOwnProperty(7));
219   var array = [2, 3];
220   Object.defineProperty(array, '1', {enumerable: false});
221   array.unshift(1)
222   assertEquals([1, 2, 3], array);
224   array = [2];
225   array.length = 2;
226   array.__proto__[1] = 3;
227   Object.defineProperty(array.__proto__, '1', {enumerable: false});
228   array.unshift(1);
229   assertEquals([1, 2, 3], array);