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Issue 73943004: Limit the size for typed arrays to MaxSmi. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Typo Created 7 years, 1 month ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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 function testPrepareStackTrace(closure) { 28 // Flags: --nostress-opt --allow-natives-syntax
29 var error = undefined; 29 var maxSize = %MaxSmi() + 1;
30 var ab = null;
31
32 // Allocate the largest ArrayBuffer we can on this architecture.
33 for (k = 8; k >= 1 && ab == null; k = k/2) {
Jakob Kummerow 2013/11/15 15:13:08 the update step should be "k = k >> 1", otherwise
Dmitry Lomov (no reviews) 2013/11/15 16:03:07 No, I think it is fine as it is, because 1/2 = 0.5
30 try { 34 try {
31 closure(); 35 ab = new ArrayBuffer(maxSize * k);
32 assertUnreachable();
33 } catch (e) { 36 } catch (e) {
34 error = e; 37 ab = null;
35 } 38 }
36
37 // We expect custom formatting to be lazy. Setting the custom
38 // function right before calling error.stack should be fine.
39 Error.prepareStackTrace = function(e, frames) {
40 return "bar";
41 }
42
43 assertEquals("bar", error.stack);
44 Error.prepareStackTrace = undefined;
45 } 39 }
46 40
47 testPrepareStackTrace(function() { throw new Error("foo"); }); 41 assertTrue(ab != null);
48 testPrepareStackTrace(function f() { f(); });
49 42
43
44 function TestArray(constr) {
45 assertThrows(function() {
46 new constr(ab, 0, maxSize);
47 }, RangeError);
48 }
49
50 TestArray(Uint8Array);
51 TestArray(Int8Array);
52 TestArray(Uint16Array);
53 TestArray(Int16Array);
54 TestArray(Uint32Array);
55 TestArray(Int32Array);
56 TestArray(Float32Array);
57 TestArray(Float64Array);
58 TestArray(Uint8ClampedArray);
59
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