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Bug 795505 - Additional checks for feeding typed arrays to js-ctypes. r=jorendorff

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This commit is contained in:
David Rajchenbach-Teller 2012-10-06 21:53:23 -04:00
parent c5de104711
commit e5dd8c1f5e
1 changed files with 8 additions and 1 deletions
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9
toolkit/components/ctypes/tests/unit/test_jsctypes.js.in
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@ -1812,13 +1812,20 @@ function run_PointerType_tests() {
do_check_eq(c_array[k], view[k]);
}
// Convert typed array to array of wrong size, ensure that it fails
let array_type_too_large = item_type.array(number_of_items + 1);
let array_type_too_small = item_type.array(number_of_items - 1);
do_check_throws(function() { array_type_too_large(c_arraybuffer); }, Error);
do_check_throws(function() { array_type_too_small(c_arraybuffer); }, Error);
do_check_throws(function() { array_type_too_large(view); }, Error);
do_check_throws(function() { array_type_too_small(view); }, Error)
do_check_throws(function() { array_type_too_small(view); }, Error);
// Convert subarray of typed array to array of right size and check contents
c_array = array_type_too_small(view.subarray(1));
for (let k = 1; k < number_of_items; ++k) {
do_check_eq(c_array[k - 1], view[k]);
}
// Convert array to void*
ctypes.voidptr_t(c_arraybuffer);