Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame^] | 1 | // Copyright 2010 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 | // Test that we can inline a call with a parameter. |
| 29 | function TestInlineOneParam(o, p) { |
| 30 | // Effect context. |
| 31 | o.f(p); |
| 32 | // Value context. |
| 33 | var x = o.f(p); |
| 34 | assertEquals(42, x); |
| 35 | assertEquals(42, o.f(p)); |
| 36 | // Test context. |
| 37 | if (!o.f(p)) { |
| 38 | assertTrue(false); // Should not happen. |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | var obj = {x:42}; |
| 43 | var o1 = {}; |
| 44 | o1.f = function(o) { return o.x; }; |
| 45 | for (var i = 0; i < 10000; i++) TestInlineOneParam(o1, obj); |
| 46 | TestInlineOneParam({f: o1.f}, {x:42}); |
| 47 | |
| 48 | |
| 49 | function TestInlineTwoParams(o, p) { |
| 50 | var y = 43; |
| 51 | // Effect context. |
| 52 | o.h(y, y); |
| 53 | // Value context. |
| 54 | var x = o.h(p, y); |
| 55 | assertEquals(true, x); |
| 56 | assertEquals(false, o.h(y, p)); |
| 57 | // Test context. |
| 58 | if (!o.h(p, y)) { |
| 59 | assertTrue(false); // Should not happen. |
| 60 | } |
| 61 | |
| 62 | // Perform the same tests again, but this time with non-trivial |
| 63 | // expressions as the parameters. |
| 64 | |
| 65 | // Effect context. |
| 66 | o.h(y + 1, y + 1); |
| 67 | // Value context. |
| 68 | var x = o.h(p + 1, y + 1); |
| 69 | assertEquals(true, x); |
| 70 | assertEquals(false, o.h(y + 1, p + 1)); |
| 71 | // Test context. |
| 72 | if (!o.h(p + 1, y + 1)) { |
| 73 | assertTrue(false); // Should not happen. |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | var o2 = {}; |
| 78 | o2.h = function(i, j) { return i < j; }; |
| 79 | for (var i = 0; i < 10000; i++) TestInlineTwoParams(o2, 42); |
| 80 | TestInlineTwoParams({h: o2.h}, 42); |