bytes-module-ccw.js

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// |jit-test| skip-if: getBuildConfiguration("release_or_beta"); --enable-import-bytes; --enable-arraybuffer-immutable

// Same test as "modules/bytes-module.js", but this time using a CCW Uint8Array.

let g = newGlobal({

    newCompartment: true,

});

let buf = new g.ArrayBuffer(4);

let view = new g.Uint8Array(buf);

view[0] = 0x41;

view[1] = 0x42;

view[2] = 0x43;

view[3] = 0x44;

let immutable = new g.Uint8Array(buf.sliceToImmutable());

let m = parseModule(immutable, "bytes-module.js", "bytes");

let a = registerModule("bytes-module", m);

let importer = parseModule(`

    import uint8 from 'bytes-module' with { type: 'bytes' };

    globalThis.importedUint8 = uint8;

`);

let b = registerModule("importer", importer);

moduleLink(b);

moduleEvaluate(b);

assertEq(importedUint8 === immutable, true);

assertEq(importedUint8 instanceof g.Uint8Array, true);

assertEq(importedUint8.length, view.length);

assertEq(importedUint8.buffer.immutable, true);

for (let i = 0; i < view.length; i++) {

    assertEq(importedUint8[i], view[i]);

// Test dynamic import

let result = null;

let error = null;

let promise = import('./bytes-module.txt', { with: { type: 'bytes' } });

promise.then((ns) => {

    result = ns.default;

}).catch((e) => {

    error = e;

});

drainJobQueue();

assertEq(error, null);

assertEq(result instanceof Uint8Array, true);

assertEq(result.length, view.length);

assertEq(result.buffer.immutable, true);

for (let i = 0; i < view.length; i++) {

    assertEq(result[i], view[i]);