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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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32 // end up going generic. | 32 // end up going generic. |
33 // Flags: --stress-runs=2 | 33 // Flags: --stress-runs=2 |
34 | 34 |
35 // Test element kind of objects. | 35 // Test element kind of objects. |
36 // Since --smi-only-arrays affects builtins, its default setting at compile | 36 // Since --smi-only-arrays affects builtins, its default setting at compile |
37 // time sticks if built with snapshot. If --smi-only-arrays is deactivated | 37 // time sticks if built with snapshot. If --smi-only-arrays is deactivated |
38 // by default, only a no-snapshot build actually has smi-only arrays enabled | 38 // by default, only a no-snapshot build actually has smi-only arrays enabled |
39 // in this test case. Depending on whether smi-only arrays are actually | 39 // in this test case. Depending on whether smi-only arrays are actually |
40 // enabled, this test takes the appropriate code path to check smi-only arrays. | 40 // enabled, this test takes the appropriate code path to check smi-only arrays. |
41 | 41 |
42 // Reset the GC stress mode to be off. Needed because AllocationMementos only | |
43 // live for one gc, so a gc that happens in certain fragile areas of the test | |
44 // can break assumptions. | |
45 %SetFlags("--gc-interval=-1") | |
46 | |
47 support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8)); | 42 support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8)); |
48 | 43 |
49 if (support_smi_only_arrays) { | 44 if (support_smi_only_arrays) { |
50 print("Tests include smi-only arrays."); | 45 print("Tests include smi-only arrays."); |
51 } else { | 46 } else { |
52 print("Tests do NOT include smi-only arrays."); | 47 print("Tests do NOT include smi-only arrays."); |
53 } | 48 } |
54 | 49 |
55 var elements_kind = { | 50 var elements_kind = { |
56 fast_smi_only : 'fast smi only elements', | 51 fast_smi_only : 'fast smi only elements', |
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161 | 156 |
162 smis = construct_smis(); | 157 smis = construct_smis(); |
163 doubles = construct_doubles(); | 158 doubles = construct_doubles(); |
164 convert_mixed(smis, 1, elements_kind.fast); | 159 convert_mixed(smis, 1, elements_kind.fast); |
165 convert_mixed(doubles, 1, elements_kind.fast); | 160 convert_mixed(doubles, 1, elements_kind.fast); |
166 assertTrue(%HaveSameMap(smis, doubles)); | 161 assertTrue(%HaveSameMap(smis, doubles)); |
167 } | 162 } |
168 | 163 |
169 // Throw away type information in the ICs for next stress run. | 164 // Throw away type information in the ICs for next stress run. |
170 gc(); | 165 gc(); |
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