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/**
* Runs a collection of tests that determine if an API implements structured clone
* correctly.
*
* The `runner` parameter has the following properties:
* - `setup()`: An optional function run once before testing starts
* - `teardown()`: An option function run once after all tests are done
* - `preTest()`: An optional, async function run before a test
* - `postTest()`: An optional, async function run after a test is done
* - `structuredClone(obj, transferList)`: Required function that somehow
* structurally clones an object.
* Must return a promise.
* - `hasDocument`: When true, disables tests that require a document. True by default.
*/
function runStructuredCloneBatteryOfTests(runner) {
const defaultRunner = {
setup() {},
preTest() {},
postTest() {},
teardown() {},
hasDocument: true
};
runner = Object.assign({}, defaultRunner, runner);
let setupPromise = runner.setup();
const allTests = structuredCloneBatteryOfTests.map(test => {
if (!runner.hasDocument && test.requiresDocument) {
return;
}
return new Promise(resolve => {
promise_test(async t => {
test = await test;
await setupPromise;
await runner.preTest(test);
await test.f(runner, t)
await runner.postTest(test);
resolve();
}, test.description);
}).catch(_ => {});
});
Promise.all(allTests).then(_ => runner.teardown());
}
|
