v8/test/mjsunit/compiler/assignment.js

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// 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.
// Tests for compound assignments at the top level
z = 2;
z += 4;
assertEquals(z, 6);
a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
// Test compound assignments in an anonymous function with local variables.
(function () {
var z = 2;
z += 4;
assertEquals(z, 6);
var a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
var b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
})();
// Test compound assignments in an anonymous function with global variables.
(function () {
z = 2;
z += 4;
assertEquals(z, 6);
a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
})();
// Test compound assignments in a named function with local variables.
function foo() {
var z = 3;
z += 4;
assertEquals(z, 7);
var a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
var b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
foo();
// Test compound assignments in a named function with global variables.
function bar() {
z = 2;
z += 5;
assertEquals(z, 7);
a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
bar();
// Entire series of tests repeated, in loops.
// -------------------------------------------
// Tests for compound assignments in a loop at the top level
for (i = 0; i < 5; ++i) {
z = 2;
z += 4;
assertEquals(z, 6);
a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
// Test compound assignments in an anonymous function with local variables.
(function () {
for (var i = 0; i < 5; ++i) {
var z = 2;
z += 4;
assertEquals(z, 6);
var a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
var b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
})();
// Test compound assignments in an anonymous function with global variables.
(function () {
for (i = 0; i < 5; ++i) {
z = 2;
z += 4;
assertEquals(z, 6);
a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
})();
// Test compound assignments in a named function with local variables.
function foo_loop() {
for (i = 0; i < 5; ++i) {
var z = 3;
z += 4;
assertEquals(z, 7);
var a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
var b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
}
foo_loop();
// Test compound assignments in a named function with global variables.
function bar_loop() {
for (i = 0; i < 5; ++i) {
z = 2;
z += 5;
assertEquals(z, 7);
a = new Array(10);
a[2] += 7;
a[2] = 15;
a[2] += 2;
assertEquals(17, a[2]);
b = new Object();
b.foo = 5;
b.foo += 12;
assertEquals(17, b.foo);
}
}
bar_loop();