test_interfaces.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

const { TestInterface, TwoTestInterfaces, cloneInterface, swapTestInterfaces } =

  ChromeUtils.importESModule(

    "moz-src:///toolkit/components/uniffi-bindgen-gecko-js/tests/generated/RustUniffiBindingsTests.sys.mjs"

);

const interface = TestInterface.init(20);

Assert.equal(interface.getValue(), 20);

Assert.equal(cloneInterface(interface).getValue(), 20);

// Test records that store interfaces

//

// The goal is to test if we can read/write interface handles to RustBuffers

const two = new TwoTestInterfaces({

  first: TestInterface.init(1),

  second: TestInterface.init(2),

});

const swapped = swapTestInterfaces(two);

Assert.equal(swapped.first.getValue(), 2);

Assert.equal(swapped.second.getValue(), 1);

// Create 2 references to an interface using a bunch of intermediary objects:

//   * The one passed to `funcThatClonesInterface`

//   * The clones created for each method call

// eslint-disable-next-line no-unused-vars

const interface2 = TestInterface.init(20);

function funcThatClonesInterface(interface) {

  return cloneInterface(interface);

// eslint-disable-next-line no-unused-vars

const interface2Clone = funcThatClonesInterface(cloneInterface(interface));

interface.getValue();

// Run GC, then check that only the 2 actual references remain.

Cu.forceGC();

Cu.forceCC();

Assert.equal(interface.refCount(), 2);