Source code
Revision control
Copy as Markdown
Other Tools
// |jit-test| --enable-arraybuffer-resizable
const constructors = [
Int8Array,
Uint8Array,
Uint8ClampedArray,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float16Array,
Float32Array,
Float64Array ];
function messWith(view, obj) {
view[0] = 1;
view[1] = 1;
view[2] = 2;
view[3] = 3;
ensureNonInline(obj);
assertEq(view[0], 1);
assertEq(view[1], 1);
assertEq(view[2], 2);
assertEq(view[3], 3);
}
function test() {
// Bufferless
for (const ctor of constructors) {
let small = new ctor(4);
messWith(small, small);
let big = new ctor(4000);
messWith(big, big);
}
// With buffer, single view, operate on view
for (const ctor of constructors) {
let ab = new ArrayBuffer(96);
const small = new ctor(ab);
messWith(small, small);
ab = new ArrayBuffer(4000);
const big = new ctor(ab);
messWith(big, big);
}
// With buffer, single view, operate on ArrayBuffer
for (const ctor of constructors) {
let ab = new ArrayBuffer(96);
const small = new ctor(ab);
messWith(small, ab);
ab = new ArrayBuffer(4000);
const big = new ctor(ab);
messWith(big, ab);
}
// With buffer, dual view, operate on view
for (const ctor of constructors) {
let ab = new ArrayBuffer(96);
let view0 = new Uint8Array(ab);
const small = new ctor(ab);
messWith(small, small);
ab = new ArrayBuffer(4000);
view0 = new Uint8Array(ab);
const big = new ctor(ab);
messWith(big, big);
}
// With buffer, dual view, operate on ArrayBuffer
for (const ctor of constructors) {
let ab = new ArrayBuffer(96);
let view0 = new Uint8Array(ab);
const small = new ctor(ab);
messWith(small, ab);
ab = new ArrayBuffer(4000);
view0 = new Uint8Array(ab);
const big = new ctor(ab);
messWith(big, ab);
}
// With resizable buffer.
for (const ctor of constructors) {
let ab = new ArrayBuffer(32, {maxByteLength: 64});
const small = new ctor(ab);
messWith(small, small);
ab = new ArrayBuffer(4000, {maxByteLength: 4096});
const big = new ctor(ab);
messWith(big, big);
}
}
try {
ensureNonInline(new Array(3));
assertEq(false, true);
} catch (e) {
assertEq(e.message.includes("unhandled type"), true);
}
test();