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
4// met:
5//
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.
15//
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.
27
28// Flags: --allow-natives-syntax --cache-optimized-code
29
30function bozo() {};
31function MakeClosure() {
32  return function f(use_literals) {
33    if (use_literals) {
34      return [1,2,3,3,4,5,6,7,8,9,bozo];
35    } else {
36      return 0;
37    }
38  }
39}
40
41// Create two closures that share the same literal boilerplates.
42var closure1 = MakeClosure();
43var closure2 = MakeClosure();
44var expected = [1,2,3,3,4,5,6,7,8,9,bozo];
45
46// Make sure we generate optimized code for the first closure after
47// warming it up properly so that the literals boilerplate is generated
48// and the optimized code uses CreateArrayLiteralShallow runtime call.
49assertEquals(0, closure1(false));
50assertEquals(expected, closure1(true));
51%OptimizeFunctionOnNextCall(closure1);
52assertEquals(expected, closure1(true));
53
54// Optimize the second closure, which should reuse the optimized code
55// from the first closure with the same literal boilerplates.
56assertEquals(0, closure2(false));
57%OptimizeFunctionOnNextCall(closure2);
58assertEquals(expected, closure2(true));
59