v8/test/mjsunit/compiler/array-access.js
kasperl@chromium.org 90b3370374 Update V8 to version 3.0 (re-land r5920).
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2010-12-07 11:31:57 +00:00

133 lines
3.2 KiB
JavaScript

// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
function Get0(a) {
return a[0];
}
function GetN(a,n) {
return a[n];
}
function GetA0(a) {
return a[a[0]];
}
function GetAN(a,n) {
return a[a[n]];
}
function GetAAN(a,n) {
return a[a[a[n]]];
}
function RunGetTests() {
var a = [2,0,1];
assertEquals(2, Get0(a));
assertEquals(2, GetN(a, 0));
assertEquals(0, GetN(a, 1));
assertEquals(1, GetN(a, 2));
assertEquals(1, GetA0(a));
assertEquals(1, GetAN(a,0));
assertEquals(2, GetAN(a,1));
assertEquals(0, GetAN(a,2));
assertEquals(0, GetAAN(a,0));
assertEquals(1, GetAAN(a,1));
assertEquals(2, GetAAN(a,2));
}
function Set07(a) {
a[0] = 7;
}
function Set0V(a, v) {
a[0] = v;
}
function SetN7(a, n) {
a[n] = 7;
}
function SetNX(a, n, x) {
a[n] = x;
}
function RunSetTests(a) {
Set07(a);
assertEquals(7, a[0]);
assertEquals(0, a[1]);
assertEquals(0, a[2]);
Set0V(a, 1);
assertEquals(1, a[0]);
assertEquals(0, a[1]);
assertEquals(0, a[2]);
SetN7(a, 2);
assertEquals(1, a[0]);
assertEquals(0, a[1]);
assertEquals(7, a[2]);
SetNX(a, 1, 5);
assertEquals(1, a[0]);
assertEquals(5, a[1]);
assertEquals(7, a[2]);
for (var i = 0; i < 3; i++) SetNX(a, i, 0);
assertEquals(0, a[0]);
assertEquals(0, a[1]);
assertEquals(0, a[2]);
}
function RunArrayBoundsCheckTest() {
var g = [1,2,3];
function f(a, i) { a[i] = 42; }
for (var i = 0; i < 100000; i++) { f(g, 0); }
f(g, 4);
assertEquals(42, g[0]);
assertEquals(42, g[4]);
}
var a = [0,0,0];
var o = {0: 0, 1: 0, 2: 0};
for (var i = 0; i < 1000; i++) {
RunGetTests();
RunSetTests(a);
RunSetTests(o);
}
RunArrayBoundsCheckTest();