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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 // Internal object we got from native code should not be writable, |  28 var badObj = { length : 1e40 }; | 
|  29 // configurable or enumerable. One can still change its public properties, but |  | 
|  30 // we don't use them to do actual work. |  | 
|  31  |  29  | 
|  32 var iterator = new Intl.v8BreakIterator([]); |  30 assertThrows(function() { new Uint8Array(badObj); }, RangeError); | 
|  33  |  31 assertThrows(function() { new Uint8ClampedArray(badObj); }, RangeError); | 
|  34 // Direct write should fail. |  32 assertThrows(function() { new Int8Array(badObj); }, RangeError); | 
|  35 iterator.iterator = {'zzz':'some random object'}; |  33 assertThrows(function() { new Uint16Array(badObj); }, RangeError); | 
|  36  |  34 assertThrows(function() { new Int16Array(badObj); }, RangeError); | 
|  37 assertFalse(iterator.iterator.hasOwnProperty('zzz')); |  35 assertThrows(function() { new Uint32Array(badObj); }, RangeError); | 
|  38  |  36 assertThrows(function() { new Int32Array(badObj); }, RangeError); | 
|  39 // Try redefining the property. |  37 assertThrows(function() { new Float32Array(badObj); }, RangeError); | 
|  40 var didThrow = false; |  38 assertThrows(function() { new Float64Array(badObj); }, RangeError); | 
|  41 try { |  | 
|  42   Object.defineProperty(iterator, 'iterator', {value: undefined}); |  | 
|  43 } catch(e) { |  | 
|  44   didThrow = true; |  | 
|  45 } |  | 
|  46 assertTrue(didThrow); |  | 
|  47  |  | 
|  48 // Try deleting the property. |  | 
|  49 assertFalse(delete iterator.iterator); |  | 
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