1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 // Flags: --allow-natives-syntax
32 assertTrue(%HasFastSmiOrObjectElements(a));
33 assertTrue(%HasFastHoleyElements(a));
38 assertTrue(%HasFastSmiOrObjectElements(a));
39 assertFalse(%HasFastHoleyElements(a));
43 var a = Array(1,2,3,4,5,6,7);
44 assertTrue(%HasFastSmiOrObjectElements(a));
45 assertFalse(%HasFastHoleyElements(a));
50 assertTrue(%HasFastSmiElements(a));
51 assertFalse(%HasFastHoleyElements(a));
53 assertTrue(%HasFastSmiElements(b));
54 assertTrue(%HasFastHoleyElements(b));
58 var a = [1, 2, 3, 4.5];
59 assertTrue(%HasFastDoubleElements(a));
60 assertFalse(%HasFastHoleyElements(a));
62 assertTrue(%HasFastDoubleElements(b));
63 assertTrue(%HasFastHoleyElements(b));
65 assertTrue(%HasFastDoubleElements(c));
66 assertTrue(%HasFastHoleyElements(c));
71 var a = [1, 2, 3.5, x];
72 assertTrue(%HasFastObjectElements(a));
73 assertFalse(%HasFastHoleyElements(a));
74 assertEquals(1, a[0]);
75 assertEquals(2, a[1]);
76 assertEquals(3.5, a[2]);
77 assertEquals(x, a[3]);
79 assertTrue(%HasFastObjectElements(b));
80 assertTrue(%HasFastHoleyElements(b));
81 assertEquals(1, b[0]);
82 assertEquals(undefined, b[1]);
83 assertEquals(3.5, b[2]);
84 assertEquals(x, b[3]);
85 var c = [1, 3.5, x,,];
86 assertTrue(%HasFastObjectElements(c));
87 assertTrue(%HasFastHoleyElements(c));
88 assertEquals(1, c[0]);
89 assertEquals(3.5, c[1]);
90 assertEquals(x, c[2]);
91 assertEquals(undefined, c[3]);
94 function test_with_optimization(f) {
95 // Run tests in a loop to make sure that inlined Array() constructor runs out
96 // of new space memory and must fall back on runtime impl.
97 for (i = 0; i < 25000; ++i) f();
98 %OptimizeFunctionOnNextCall(f);
99 for (i = 0; i < 25000; ++i) f(); // Make sure GC happens
102 test_with_optimization(test1);
103 test_with_optimization(test2);
104 test_with_optimization(test3);
105 test_with_optimization(test4);
106 test_with_optimization(test5);
107 test_with_optimization(test6);