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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
107 lines
3.3 KiB
JavaScript
107 lines
3.3 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Test that we can create object literals of various sizes.
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// Flags: --allow-natives-syntax
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function testLiteral(size) {
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// Build object-literal string.
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var literal = "var o = { ";
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for (var i = 0; i < size; i++) {
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if (i > 0) literal += ",";
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literal += ("a" + i + ":" + i);
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}
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literal += "}";
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// Create the object literal.
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eval(literal);
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// Check that the properties have the expected values.
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for (var i = 0; i < size; i++) {
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assertEquals(i, o["a"+i]);
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}
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}
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function testElementLiteral(size) {
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// Build object-literal string.
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var literal = "var o = { ";
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for (var i = 0; i < size; i++) {
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if (i > 0) literal += ",";
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literal += (i + ":'" + i+"'");
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}
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literal += "}";
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// Create the object literal.
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eval(literal);
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// Check that the properties have the expected values.
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for (var i = 0; i < size; i++) {
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assertEquals(i+"", o[i]);
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}
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}
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// The sizes to test.
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var sizes = [0, 1, 2, 100, 200, 400, 1000];
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// Run the test.
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for (var i = 0; i < sizes.length; i++) {
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testLiteral(sizes[i]);
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testElementLiteral(sizes[i]);
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}
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// Large Object dictionary mode literal.
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function TestSlowLiteralOptimized() {
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function f() {
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return {__proto__:null, bar:"barValue"};
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}
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let obj = f();
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assertFalse(%HasFastProperties(obj));
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assertEquals(Object.getPrototypeOf(obj), null);
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assertEquals(["bar"], Object.keys(obj));
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assertEquals("barValue", obj.bar);
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obj.bar = "barValue2";
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assertEquals("barValue2", obj.bar);
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%OptimizeFunctionOnNextCall(f);
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obj = f();
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assertFalse(%HasFastProperties(obj));
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assertEquals(Object.getPrototypeOf(obj), null);
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assertEquals(["bar"], Object.keys(obj));
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assertEquals("barValue", obj.bar);
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obj.bar = "barValue2";
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assertEquals("barValue2", obj.bar);
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};
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TestSlowLiteralOptimized();
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TestSlowLiteralOptimized();
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