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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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --allow-natives-syntax --smi-only-arrays | 28 // Flags: --allow-natives-syntax |
29 | |
30 // Test element kind of objects. | |
31 // Since --smi-only-arrays affects builtins, its default setting at compile time | |
32 // sticks if built with snapshot. If --smi-only-arrays is deactivated by | |
33 // default, only a no-snapshot build actually has smi-only arrays enabled in | |
34 // this test case. Depending on whether smi-only arrays are actually enabled, | |
35 // this test takes the appropriate code path to check smi-only arrays. | |
36 | |
37 support_smi_only_arrays = %HasFastSmiElements([1,2,3,4,5,6,7,8,9,10]); | |
38 | |
39 if (support_smi_only_arrays) { | |
40 print("Tests include smi-only arrays."); | |
41 } else { | |
42 print("Tests do NOT include smi-only arrays."); | |
43 } | |
44 | 29 |
45 // IC and Crankshaft support for smi-only elements in dynamic array literals. | 30 // IC and Crankshaft support for smi-only elements in dynamic array literals. |
46 function get(foo) { return foo; } // Used to generate dynamic values. | 31 function get(foo) { return foo; } // Used to generate dynamic values. |
47 | 32 |
48 function array_natives_test() { | 33 function array_natives_test() { |
49 | 34 |
50 // Ensure small array literals start in specific element kind mode. | 35 // Ensure small array literals start in specific element kind mode. |
51 assertTrue(%HasFastSmiElements([])); | 36 assertTrue(%HasFastSmiElements([])); |
52 assertTrue(%HasFastSmiElements([1])); | 37 assertTrue(%HasFastSmiElements([1])); |
53 assertTrue(%HasFastSmiElements([1,2])); | 38 assertTrue(%HasFastSmiElements([1,2])); |
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301 a4 = [{},2,3]; | 286 a4 = [{},2,3]; |
302 a4.unshift(1); | 287 a4.unshift(1); |
303 assertTrue(%HasFastObjectElements(a4)); | 288 assertTrue(%HasFastObjectElements(a4)); |
304 assertEquals([1,{},2,3], a4); | 289 assertEquals([1,{},2,3], a4); |
305 a4 = [{},2,3]; | 290 a4 = [{},2,3]; |
306 a4.unshift(1.1); | 291 a4.unshift(1.1); |
307 assertTrue(%HasFastObjectElements(a4)); | 292 assertTrue(%HasFastObjectElements(a4)); |
308 assertEquals([1.1,{},2,3], a4); | 293 assertEquals([1.1,{},2,3], a4); |
309 } | 294 } |
310 | 295 |
311 if (support_smi_only_arrays) { | 296 for (var i = 0; i < 3; i++) { |
312 for (var i = 0; i < 3; i++) { | |
313 array_natives_test(); | |
314 } | |
315 %OptimizeFunctionOnNextCall(array_natives_test); | |
316 array_natives_test(); | 297 array_natives_test(); |
317 } | 298 } |
| 299 %OptimizeFunctionOnNextCall(array_natives_test); |
| 300 array_natives_test(); |
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