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// Copyright 2008 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.
// Test that we can create object literals of various sizes.
// Flags: --allow-natives-syntax
function testLiteral(size) {
// Build object-literal string.
var literal = "var o = { ";
for (var i = 0; i < size; i++) {
if (i > 0) literal += ",";
literal += ("a" + i + ":" + i);
}
literal += "}";
// Create the object literal.
eval(literal);
// Check that the properties have the expected values.
for (var i = 0; i < size; i++) {
assertEquals(i, o["a"+i]);
}
}
function testElementLiteral(size) {
// Build object-literal string.
var literal = "var o = { ";
for (var i = 0; i < size; i++) {
if (i > 0) literal += ",";
literal += (i + ":'" + i+"'");
}
literal += "}";
// Create the object literal.
eval(literal);
// Check that the properties have the expected values.
for (var i = 0; i < size; i++) {
assertEquals(i+"", o[i]);
}
}
// The sizes to test.
var sizes = [0, 1, 2, 100, 200, 400, 1000];
// Run the test.
for (var i = 0; i < sizes.length; i++) {
testLiteral(sizes[i]);
testElementLiteral(sizes[i]);
}
// Large Object dictionary mode literal.
function TestSlowLiteralOptimized() {
function f() {
return {__proto__:null, bar:"barValue"};
}
let obj = f();
assertFalse(%HasFastProperties(obj));
assertEquals(Object.getPrototypeOf(obj), null);
assertEquals(["bar"], Object.keys(obj));
assertEquals("barValue", obj.bar);
obj.bar = "barValue2";
assertEquals("barValue2", obj.bar);
%OptimizeFunctionOnNextCall(f);
obj = f();
assertFalse(%HasFastProperties(obj));
assertEquals(Object.getPrototypeOf(obj), null);
assertEquals(["bar"], Object.keys(obj));
assertEquals("barValue", obj.bar);
obj.bar = "barValue2";
assertEquals("barValue2", obj.bar);
};
TestSlowLiteralOptimized();
TestSlowLiteralOptimized();
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