1 // Copyright 2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
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13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 // This test attempts to test the inline caching for keyed access.
30 // ----------------------------------------------------------------------
31 // Prototype accessor.
32 // ----------------------------------------------------------------------
33 var runTest = function() {
34 var initial_P = 'prototype';
36 var H = 'hasOwnProperty';
38 var f = function() {};
40 function prototypeTest(change_index) {
41 for (var i = 0; i < 10; i++) {
43 if (i <= change_index) {
44 assertEquals(f.prototype, property);
46 assertEquals(f.hasOwnProperty, property);
48 if (i == change_index) P = H;
53 for (var i = 0; i < 10; i++) prototypeTest(i);
57 for (var i = 0; i < 10; i++) prototypeTest(i);
62 // ----------------------------------------------------------------------
63 // Array length accessor.
64 // ----------------------------------------------------------------------
65 runTest = function() {
66 var initial_L = 'length';
70 var a = new Array(10);
72 function arrayLengthTest(change_index) {
73 for (var i = 0; i < 10; i++) {
75 if (i <= change_index) {
78 assertEquals(undefined, l);
80 if (i == change_index) L = zero;
85 for (var i = 0; i < 10; i++) arrayLengthTest(i);
90 // ----------------------------------------------------------------------
91 // String length accessor.
92 // ----------------------------------------------------------------------
93 runTest = function() {
94 var initial_L = 'length';
100 function stringLengthTest(change_index) {
101 for (var i = 0; i < 10; i++) {
103 if (i <= change_index) {
106 assertEquals('a', l);
108 if (i == change_index) L = zero;
113 for (var i = 0; i < 10; i++) stringLengthTest(i);
118 // ----------------------------------------------------------------------
120 // ----------------------------------------------------------------------
121 runTest = function() {
122 var o = { x: 42, y: 43 }
128 function fieldTest(change_index) {
129 for (var i = 0; i < 10; i++) {
131 if (i <= change_index) {
132 assertEquals(42, property);
134 assertEquals(43, property);
136 if (i == change_index) X = Y;
141 for (var i = 0; i < 10; i++) fieldTest(i);
147 // ----------------------------------------------------------------------
149 // ----------------------------------------------------------------------
150 runTest = function() {
157 function fieldTest(change_index) {
158 for (var i = 0; i < 10; i++) {
160 if (i <= change_index) {
161 assertEquals(42, property);
163 assertEquals(43, property);
165 if (i == change_index) X = Y;
170 for (var i = 0; i < 10; i++) fieldTest(i);
176 // ----------------------------------------------------------------------
177 // Constant function access.
178 // ----------------------------------------------------------------------
179 runTest = function() {
182 var o = new Object();
190 function constantFunctionTest(change_index) {
191 for (var i = 0; i < 10; i++) {
193 if (i <= change_index) {
194 assertEquals(fun, property);
196 assertEquals(42, property);
198 if (i == change_index) F = X;
203 for (var i = 0; i < 10; i++) constantFunctionTest(i);
208 // ----------------------------------------------------------------------
209 // Keyed store field.
210 // ----------------------------------------------------------------------
212 runTest = function() {
213 var o = { x: 42, y: 43 }
219 function fieldTest(change_index) {
220 for (var i = 0; i < 10; i++) {
223 if (i <= change_index) {
224 assertEquals('x', property);
226 assertEquals('y', property);
228 if (i == change_index) X = Y;
233 for (var i = 0; i < 10; i++) fieldTest(i);