4a4158f363
BUG=v8:3684 LOG=n Review URL: https://codereview.chromium.org/726773002 Cr-Commit-Position: refs/heads/master@{#25364}
157 lines
2.7 KiB
JavaScript
157 lines
2.7 KiB
JavaScript
// 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(mode) {
|
|
var a = [1, 2, 3];
|
|
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);
|
|
}
|
|
|
|
testRemove("fast properties");
|
|
|
|
testRemove("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);
|