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sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
108 lines
3.6 KiB
JavaScript
108 lines
3.6 KiB
JavaScript
// Copyright 2012 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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// Flags: --allow-natives-syntax
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function test1() {
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var a = Array(8);
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assertTrue(%HasSmiOrObjectElements(a));
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assertTrue(%HasHoleyElements(a));
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}
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function test2() {
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var a = Array();
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assertTrue(%HasSmiOrObjectElements(a));
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assertFalse(%HasHoleyElements(a));
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}
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function test3() {
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var a = Array(1,2,3,4,5,6,7);
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assertTrue(%HasSmiOrObjectElements(a));
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assertFalse(%HasHoleyElements(a));
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}
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function test4() {
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var a = [1, 2, 3, 4];
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assertTrue(%HasSmiElements(a));
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assertFalse(%HasHoleyElements(a));
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var b = [1, 2,, 4];
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assertTrue(%HasSmiElements(b));
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assertTrue(%HasHoleyElements(b));
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}
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function test5() {
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var a = [1, 2, 3, 4.5];
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assertTrue(%HasDoubleElements(a));
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assertFalse(%HasHoleyElements(a));
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var b = [1,, 3.5, 4];
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assertTrue(%HasDoubleElements(b));
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assertTrue(%HasHoleyElements(b));
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var c = [1, 3.5,, 4];
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assertTrue(%HasDoubleElements(c));
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assertTrue(%HasHoleyElements(c));
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}
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function test6() {
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var x = new Object();
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var a = [1, 2, 3.5, x];
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assertTrue(%HasObjectElements(a));
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assertFalse(%HasHoleyElements(a));
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assertEquals(1, a[0]);
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assertEquals(2, a[1]);
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assertEquals(3.5, a[2]);
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assertEquals(x, a[3]);
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var b = [1,, 3.5, x];
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assertTrue(%HasObjectElements(b));
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assertTrue(%HasHoleyElements(b));
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assertEquals(1, b[0]);
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assertEquals(undefined, b[1]);
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assertEquals(3.5, b[2]);
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assertEquals(x, b[3]);
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var c = [1, 3.5, x,,];
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assertTrue(%HasObjectElements(c));
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assertTrue(%HasHoleyElements(c));
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assertEquals(1, c[0]);
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assertEquals(3.5, c[1]);
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assertEquals(x, c[2]);
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assertEquals(undefined, c[3]);
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}
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function test_with_optimization(f) {
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// Run tests in a loop to make sure that inlined Array() constructor runs out
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// of new space memory and must fall back on runtime impl.
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for (i = 0; i < 25000; ++i) f();
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%OptimizeFunctionOnNextCall(f);
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for (i = 0; i < 25000; ++i) f(); // Make sure GC happens
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}
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test_with_optimization(test1);
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test_with_optimization(test2);
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test_with_optimization(test3);
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test_with_optimization(test4);
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test_with_optimization(test5);
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test_with_optimization(test6);
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