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// |reftest| skip-if(!xulRuntime.shell)
// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
function viewToString(view)
{
return String.fromCharCode.apply(null, view);
}
function test() {
var filename = "file-mapped-arraybuffers.txt";
var buffer = createMappedArrayBuffer(filename);
var view = new Uint8Array(buffer);
assertEq(viewToString(view), "01234567abcdefghijkl");
var buffer2 = createMappedArrayBuffer(filename, 8);
view = new Uint8Array(buffer2);
assertEq(viewToString(view), "abcdefghijkl");
var buffer3 = createMappedArrayBuffer(filename, 0, 8);
view = new Uint8Array(buffer3);
assertEq(viewToString(view), "01234567");
// Test detaching during subarray creation.
var nasty = {
valueOf: function () {
print("detaching...");
serialize(buffer3, [buffer3]);
print("detached");
return 3000;
}
};
var a = new Uint8Array(buffer3);
assertThrowsInstanceOf(() => {
var aa = a.subarray(0, nasty);
for (i = 0; i < 3000; i++)
aa[i] = 17;
}, TypeError);
// Check that invalid sizes and offsets are caught
assertThrowsInstanceOf(() => createMappedArrayBuffer("empty.txt", 8), RangeError);
assertThrowsInstanceOf(() => createMappedArrayBuffer("empty.txt", 0, 8), Error);
}
if (getBuildConfiguration("mapped-array-buffer"))
test();
reportCompare(0, 0, 'ok');
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