Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/test/mjsunit/array-methods-read-only-length.js b/test/mjsunit/array-methods-read-only-length.js
new file mode 100644
index 0000000..2943b16
--- /dev/null
+++ b/test/mjsunit/array-methods-read-only-length.js
@@ -0,0 +1,166 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+
+function testAdd(mode) {
+ var a = [];
+ Object.defineProperty(a, "length", { writable : false});
+
+ function check(f) {
+ assertThrows(function() { f(a) }, TypeError);
+ assertFalse(0 in a);
+ assertEquals(0, a.length);
+ }
+
+ function push(a) {
+ a.push(3);
+ }
+
+ if (mode == "fast properties") %ToFastProperties(a);
+
+ check(push);
+ check(push);
+ check(push);
+ %OptimizeFunctionOnNextCall(push);
+ check(push);
+
+ function unshift(a) {
+ a.unshift(3);
+ }
+
+ check(unshift);
+ check(unshift);
+ check(unshift);
+ %OptimizeFunctionOnNextCall(unshift);
+ check(unshift);
+
+ function splice(a) {
+ a.splice(0, 0, 3);
+ }
+
+ check(splice);
+ check(splice);
+ check(splice);
+ %OptimizeFunctionOnNextCall(splice);
+ check(splice);
+}
+
+testAdd("fast properties");
+
+testAdd("normalized");
+
+function testRemove(a, mode) {
+ Object.defineProperty(a, "length", { writable : false});
+
+ function check(f) {
+ assertThrows(function() { f(a) }, TypeError);
+ assertEquals(3, a.length);
+ }
+
+ if (mode == "fast properties") %ToFastProperties(a);
+
+ function pop(a) {
+ a.pop();
+ }
+
+ check(pop);
+ check(pop);
+ check(pop);
+ %OptimizeFunctionOnNextCall(pop);
+ check(pop);
+
+ function shift(a) {
+ a.shift();
+ }
+
+ check(shift);
+ check(shift);
+ check(shift);
+ %OptimizeFunctionOnNextCall(shift);
+ check(shift);
+
+ function splice(a) {
+ a.splice(0, 1);
+ }
+
+ check(splice);
+ check(splice);
+ check(splice);
+ %OptimizeFunctionOnNextCall(splice);
+ check(splice);
+
+ %ClearFunctionTypeFeedback(pop);
+ %ClearFunctionTypeFeedback(shift);
+ %ClearFunctionTypeFeedback(splice);
+}
+
+for (var i = 0; i < 3; i++) {
+ var a = [1, 2, 3];
+ if (i == 1) {
+ a = [1, 2, 3.5];
+ } else if (i == 2) {
+ a = [1, 2, "string"];
+ }
+ testRemove(a, "fast properties");
+ testRemove(a, "normalized");
+}
+
+var b = [];
+Object.defineProperty(b.__proto__, "0", {
+ set : function(v) {
+ b.x = v;
+ Object.defineProperty(b, "length", { writable : false });
+ },
+ get: function() {
+ return b.x;
+ }
+});
+
+b = [];
+try {
+ b.push(3, 4, 5);
+} catch(e) { }
+assertFalse(1 in b);
+assertFalse(2 in b);
+assertEquals(0, b.length);
+
+b = [];
+try {
+ b.unshift(3, 4, 5);
+} catch(e) { }
+assertFalse(1 in b);
+assertFalse(2 in b);
+assertEquals(0, b.length);
+
+b = [1, 2];
+try {
+ b.unshift(3, 4, 5);
+} catch(e) { }
+assertEquals(3, b[0]);
+assertEquals(4, b[1]);
+assertEquals(5, b[2]);
+assertEquals(1, b[3]);
+assertEquals(2, b[4]);
+assertEquals(5, b.length);
+
+b = [1, 2];
+
+Object.defineProperty(b.__proto__, "4", {
+ set : function(v) {
+ b.z = v;
+ Object.defineProperty(b, "length", { writable : false });
+ },
+ get: function() {
+ return b.z;
+ }
+});
+
+try {
+ b.unshift(3, 4, 5);
+} catch(e) { }
+
+assertFalse(2 in b);
+assertFalse(3 in b);
+assertEquals(2, b.length);