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-rw-r--r--dom/workers/test/promise_worker.js856
1 files changed, 856 insertions, 0 deletions
diff --git a/dom/workers/test/promise_worker.js b/dom/workers/test/promise_worker.js
new file mode 100644
index 000000000..5b0a8478b
--- /dev/null
+++ b/dom/workers/test/promise_worker.js
@@ -0,0 +1,856 @@
+function ok(a, msg) {
+ dump("OK: " + !!a + " => " + a + " " + msg + "\n");
+ postMessage({type: 'status', status: !!a, msg: a + ": " + msg });
+}
+
+function todo(a, msg) {
+ dump("TODO: " + !a + " => " + a + " " + msg + "\n");
+ postMessage({type: 'status', status: !a, msg: a + ": " + msg });
+}
+
+function is(a, b, msg) {
+ dump("IS: " + (a===b) + " => " + a + " | " + b + " " + msg + "\n");
+ postMessage({type: 'status', status: a === b, msg: a + " === " + b + ": " + msg });
+}
+
+function isnot(a, b, msg) {
+ dump("ISNOT: " + (a!==b) + " => " + a + " | " + b + " " + msg + "\n");
+ postMessage({type: 'status', status: a !== b, msg: a + " !== " + b + ": " + msg });
+}
+
+function promiseResolve() {
+ ok(Promise, "Promise object should exist");
+
+ var promise = new Promise(function(resolve, reject) {
+ ok(resolve, "Promise.resolve exists");
+ ok(reject, "Promise.reject exists");
+
+ resolve(42);
+ }).then(function(what) {
+ ok(true, "Then - resolveCb has been called");
+ is(what, 42, "ResolveCb received 42");
+ runTest();
+ }, function() {
+ ok(false, "Then - rejectCb has been called");
+ runTest();
+ });
+}
+
+function promiseResolveNoArg() {
+ var promise = new Promise(function(resolve, reject) {
+ ok(resolve, "Promise.resolve exists");
+ ok(reject, "Promise.reject exists");
+
+ resolve();
+ }).then(function(what) {
+ ok(true, "Then - resolveCb has been called");
+ is(what, undefined, "ResolveCb received undefined");
+ runTest();
+ }, function() {
+ ok(false, "Then - rejectCb has been called");
+ runTest();
+ });
+}
+
+function promiseRejectNoHandler() {
+ // This test only checks that the code that reports unhandled errors in the
+ // Promises implementation does not crash or leak.
+ var promise = new Promise(function(res, rej) {
+ noSuchMethod();
+ });
+ runTest();
+}
+
+function promiseReject() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ }).then(function(what) {
+ ok(false, "Then - resolveCb has been called");
+ runTest();
+ }, function(what) {
+ ok(true, "Then - rejectCb has been called");
+ is(what, 42, "RejectCb received 42");
+ runTest();
+ });
+}
+
+function promiseRejectNoArg() {
+ var promise = new Promise(function(resolve, reject) {
+ reject();
+ }).then(function(what) {
+ ok(false, "Then - resolveCb has been called");
+ runTest();
+ }, function(what) {
+ ok(true, "Then - rejectCb has been called");
+ is(what, undefined, "RejectCb received undefined");
+ runTest();
+ });
+}
+
+function promiseException() {
+ var promise = new Promise(function(resolve, reject) {
+ throw 42;
+ }).then(function(what) {
+ ok(false, "Then - resolveCb has been called");
+ runTest();
+ }, function(what) {
+ ok(true, "Then - rejectCb has been called");
+ is(what, 42, "RejectCb received 42");
+ runTest();
+ });
+}
+
+function promiseAsync_TimeoutResolveThen() {
+ var handlerExecuted = false;
+
+ setTimeout(function() {
+ ok(handlerExecuted, "Handler should have been called before the timeout.");
+
+ // Allow other assertions to run so the test could fail before the next one.
+ setTimeout(runTest, 0);
+ }, 0);
+
+ Promise.resolve().then(function() {
+ handlerExecuted = true;
+ });
+
+ ok(!handlerExecuted, "Handlers are not called before 'then' returns.");
+}
+
+function promiseAsync_ResolveTimeoutThen() {
+ var handlerExecuted = false;
+
+ var promise = Promise.resolve();
+
+ setTimeout(function() {
+ ok(handlerExecuted, "Handler should have been called before the timeout.");
+
+ // Allow other assertions to run so the test could fail before the next one.
+ setTimeout(runTest, 0);
+ }, 0);
+
+ promise.then(function() {
+ handlerExecuted = true;
+ });
+
+ ok(!handlerExecuted, "Handlers are not called before 'then' returns.");
+}
+
+function promiseAsync_ResolveThenTimeout() {
+ var handlerExecuted = false;
+
+ Promise.resolve().then(function() {
+ handlerExecuted = true;
+ });
+
+ setTimeout(function() {
+ ok(handlerExecuted, "Handler should have been called before the timeout.");
+
+ // Allow other assertions to run so the test could fail before the next one.
+ setTimeout(runTest, 0);
+ }, 0);
+
+ ok(!handlerExecuted, "Handlers are not called before 'then' returns.");
+}
+
+function promiseAsync_SyncXHRAndImportScripts()
+{
+ var handlerExecuted = false;
+
+ Promise.resolve().then(function() {
+ handlerExecuted = true;
+
+ // Allow other assertions to run so the test could fail before the next one.
+ setTimeout(runTest, 0);
+ });
+
+ ok(!handlerExecuted, "Handlers are not called until the next microtask.");
+
+ var xhr = new XMLHttpRequest();
+ xhr.open("GET", "testXHR.txt", false);
+ xhr.send(null);
+
+ ok(!handlerExecuted, "Sync XHR should not trigger microtask execution.");
+
+ importScripts("../../../dom/xhr/tests/relativeLoad_import.js");
+
+ ok(!handlerExecuted, "importScripts should not trigger microtask execution.");
+}
+
+function promiseDoubleThen() {
+ var steps = 0;
+ var promise = new Promise(function(r1, r2) {
+ r1(42);
+ });
+
+ promise.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 42, "Value == 42");
+ steps++;
+ }, function(what) {
+ ok(false, "Then.reject has been called");
+ });
+
+ promise.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(steps, 1, "Then.resolve - step == 1");
+ is(what, 42, "Value == 42");
+ runTest();
+ }, function(what) {
+ ok(false, "Then.reject has been called");
+ });
+}
+
+function promiseThenException() {
+ var promise = new Promise(function(resolve, reject) {
+ resolve(42);
+ });
+
+ promise.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ throw "booh";
+ }).catch(function(e) {
+ ok(true, "Catch has been called!");
+ runTest();
+ });
+}
+
+function promiseThenCatchThen() {
+ var promise = new Promise(function(resolve, reject) {
+ resolve(42);
+ });
+
+ var promise2 = promise.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 42, "Value == 42");
+ return what + 1;
+ }, function(what) {
+ ok(false, "Then.reject has been called");
+ });
+
+ isnot(promise, promise2, "These 2 promise objs are different");
+
+ promise2.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 43, "Value == 43");
+ return what + 1;
+ }, function(what) {
+ ok(false, "Then.reject has been called");
+ }).catch(function() {
+ ok(false, "Catch has been called");
+ }).then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 44, "Value == 44");
+ runTest();
+ }, function(what) {
+ ok(false, "Then.reject has been called");
+ });
+}
+
+function promiseRejectThenCatchThen() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ });
+
+ var promise2 = promise.then(function(what) {
+ ok(false, "Then.resolve has been called");
+ }, function(what) {
+ ok(true, "Then.reject has been called");
+ is(what, 42, "Value == 42");
+ return what + 1;
+ });
+
+ isnot(promise, promise2, "These 2 promise objs are different");
+
+ promise2.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 43, "Value == 43");
+ return what+1;
+ }).catch(function(what) {
+ ok(false, "Catch has been called");
+ }).then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 44, "Value == 44");
+ runTest();
+ });
+}
+
+function promiseRejectThenCatchThen2() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ });
+
+ promise.then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 42, "Value == 42");
+ return what+1;
+ }).catch(function(what) {
+ is(what, 42, "Value == 42");
+ ok(true, "Catch has been called");
+ return what+1;
+ }).then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 43, "Value == 43");
+ runTest();
+ });
+}
+
+function promiseRejectThenCatchExceptionThen() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ });
+
+ promise.then(function(what) {
+ ok(false, "Then.resolve has been called");
+ }, function(what) {
+ ok(true, "Then.reject has been called");
+ is(what, 42, "Value == 42");
+ throw(what + 1);
+ }).catch(function(what) {
+ ok(true, "Catch has been called");
+ is(what, 43, "Value == 43");
+ return what + 1;
+ }).then(function(what) {
+ ok(true, "Then.resolve has been called");
+ is(what, 44, "Value == 44");
+ runTest();
+ });
+}
+
+function promiseThenCatchOrderingResolve() {
+ var global = 0;
+ var f = new Promise(function(r1, r2) {
+ r1(42);
+ });
+
+ f.then(function() {
+ f.then(function() {
+ global++;
+ });
+ f.catch(function() {
+ global++;
+ });
+ f.then(function() {
+ global++;
+ });
+ setTimeout(function() {
+ is(global, 2, "Many steps... should return 2");
+ runTest();
+ }, 0);
+ });
+}
+
+function promiseThenCatchOrderingReject() {
+ var global = 0;
+ var f = new Promise(function(r1, r2) {
+ r2(42);
+ })
+
+ f.then(function() {}, function() {
+ f.then(function() {
+ global++;
+ });
+ f.catch(function() {
+ global++;
+ });
+ f.then(function() {}, function() {
+ global++;
+ });
+ setTimeout(function() {
+ is(global, 2, "Many steps... should return 2");
+ runTest();
+ }, 0);
+ });
+}
+
+function promiseThenNoArg() {
+ var promise = new Promise(function(resolve, reject) {
+ resolve(42);
+ });
+
+ var clone = promise.then();
+ isnot(promise, clone, "These 2 promise objs are different");
+ promise.then(function(v) {
+ clone.then(function(cv) {
+ is(v, cv, "Both resolve to the same value");
+ runTest();
+ });
+ });
+}
+
+function promiseThenUndefinedResolveFunction() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ });
+
+ try {
+ promise.then(undefined, function(v) {
+ is(v, 42, "Promise rejected with 42");
+ runTest();
+ });
+ } catch (e) {
+ ok(false, "then should not throw on undefined resolve function");
+ }
+}
+
+function promiseThenNullResolveFunction() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ });
+
+ try {
+ promise.then(null, function(v) {
+ is(v, 42, "Promise rejected with 42");
+ runTest();
+ });
+ } catch (e) {
+ ok(false, "then should not throw on null resolve function");
+ }
+}
+
+function promiseCatchNoArg() {
+ var promise = new Promise(function(resolve, reject) {
+ reject(42);
+ });
+
+ var clone = promise.catch();
+ isnot(promise, clone, "These 2 promise objs are different");
+ promise.catch(function(v) {
+ clone.catch(function(cv) {
+ is(v, cv, "Both reject to the same value");
+ runTest();
+ });
+ });
+}
+
+function promiseNestedPromise() {
+ new Promise(function(resolve, reject) {
+ resolve(new Promise(function(resolve, reject) {
+ ok(true, "Nested promise is executed");
+ resolve(42);
+ }));
+ }).then(function(value) {
+ is(value, 42, "Nested promise is executed and then == 42");
+ runTest();
+ });
+}
+
+function promiseNestedNestedPromise() {
+ new Promise(function(resolve, reject) {
+ resolve(new Promise(function(resolve, reject) {
+ ok(true, "Nested promise is executed");
+ resolve(42);
+ }).then(function(what) { return what+1; }));
+ }).then(function(value) {
+ is(value, 43, "Nested promise is executed and then == 43");
+ runTest();
+ });
+}
+
+function promiseWrongNestedPromise() {
+ new Promise(function(resolve, reject) {
+ resolve(new Promise(function(r, r2) {
+ ok(true, "Nested promise is executed");
+ r(42);
+ }));
+ reject(42);
+ }).then(function(value) {
+ is(value, 42, "Nested promise is executed and then == 42");
+ runTest();
+ }, function(value) {
+ ok(false, "This is wrong");
+ });
+}
+
+function promiseLoop() {
+ new Promise(function(resolve, reject) {
+ resolve(new Promise(function(r1, r2) {
+ ok(true, "Nested promise is executed");
+ r1(new Promise(function(r1, r2) {
+ ok(true, "Nested nested promise is executed");
+ r1(42);
+ }));
+ }));
+ }).then(function(value) {
+ is(value, 42, "Nested nested promise is executed and then == 42");
+ runTest();
+ }, function(value) {
+ ok(false, "This is wrong");
+ });
+}
+
+function promiseStaticReject() {
+ var promise = Promise.reject(42).then(function(what) {
+ ok(false, "This should not be called");
+ }, function(what) {
+ is(what, 42, "Value == 42");
+ runTest();
+ });
+}
+
+function promiseStaticResolve() {
+ var promise = Promise.resolve(42).then(function(what) {
+ is(what, 42, "Value == 42");
+ runTest();
+ }, function() {
+ ok(false, "This should not be called");
+ });
+}
+
+function promiseResolveNestedPromise() {
+ var promise = Promise.resolve(new Promise(function(r, r2) {
+ ok(true, "Nested promise is executed");
+ r(42);
+ }, function() {
+ ok(false, "This should not be called");
+ })).then(function(what) {
+ is(what, 42, "Value == 42");
+ runTest();
+ }, function() {
+ ok(false, "This should not be called");
+ });
+}
+
+function promiseRejectNoHandler() {
+ // This test only checks that the code that reports unhandled errors in the
+ // Promises implementation does not crash or leak.
+ var promise = new Promise(function(res, rej) {
+ noSuchMethod();
+ });
+ runTest();
+}
+
+function promiseUtilitiesDefined() {
+ ok(Promise.all, "Promise.all must be defined when Promise is enabled.");
+ ok(Promise.race, "Promise.race must be defined when Promise is enabled.");
+ runTest();
+}
+
+function promiseAllArray() {
+ var p = Promise.all([1, new Date(), Promise.resolve("firefox")]);
+ ok(p instanceof Promise, "Return value of Promise.all should be a Promise.");
+ p.then(function(values) {
+ ok(Array.isArray(values), "Resolved value should be an array.");
+ is(values.length, 3, "Resolved array length should match iterable's length.");
+ is(values[0], 1, "Array values should match.");
+ ok(values[1] instanceof Date, "Array values should match.");
+ is(values[2], "firefox", "Array values should match.");
+ runTest();
+ }, function() {
+ ok(false, "Promise.all shouldn't fail when iterable has no rejected Promises.");
+ runTest();
+ });
+}
+
+function promiseAllWaitsForAllPromises() {
+ var arr = [
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 1), 50);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 2), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, new Promise(function(resolve2) {
+ resolve2(3);
+ })), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 4), 20);
+ })
+ ];
+
+ var p = Promise.all(arr);
+ p.then(function(values) {
+ ok(Array.isArray(values), "Resolved value should be an array.");
+ is(values.length, 4, "Resolved array length should match iterable's length.");
+ is(values[0], 1, "Array values should match.");
+ is(values[1], 2, "Array values should match.");
+ is(values[2], 3, "Array values should match.");
+ is(values[3], 4, "Array values should match.");
+ runTest();
+ }, function() {
+ ok(false, "Promise.all shouldn't fail when iterable has no rejected Promises.");
+ runTest();
+ });
+}
+
+function promiseAllRejectFails() {
+ var arr = [
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 1), 50);
+ }),
+ new Promise(function(resolve, reject) {
+ setTimeout(reject.bind(undefined, 2), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 3), 10);
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve.bind(undefined, 4), 20);
+ })
+ ];
+
+ var p = Promise.all(arr);
+ p.then(function(values) {
+ ok(false, "Promise.all shouldn't resolve when iterable has rejected Promises.");
+ runTest();
+ }, function(e) {
+ ok(true, "Promise.all should reject when iterable has rejected Promises.");
+ is(e, 2, "Rejection value should match.");
+ runTest();
+ });
+}
+
+function promiseRaceEmpty() {
+ var p = Promise.race([]);
+ ok(p instanceof Promise, "Should return a Promise.");
+ // An empty race never resolves!
+ runTest();
+}
+
+function promiseRaceValuesArray() {
+ var p = Promise.race([true, new Date(), 3]);
+ ok(p instanceof Promise, "Should return a Promise.");
+ p.then(function(winner) {
+ is(winner, true, "First value should win.");
+ runTest();
+ }, function(err) {
+ ok(false, "Should not fail " + err + ".");
+ runTest();
+ });
+}
+
+function promiseRacePromiseArray() {
+ var arr = [
+ new Promise(function(resolve) {
+ resolve("first");
+ }),
+ Promise.resolve("second"),
+ new Promise(function() {}),
+ new Promise(function(resolve) {
+ setTimeout(function() {
+ setTimeout(function() {
+ resolve("fourth");
+ }, 0);
+ }, 0);
+ }),
+ ];
+
+ var p = Promise.race(arr);
+ p.then(function(winner) {
+ is(winner, "first", "First queued resolution should win the race.");
+ runTest();
+ });
+}
+
+function promiseRaceReject() {
+ var p = Promise.race([
+ Promise.reject(new Error("Fail bad!")),
+ new Promise(function(resolve) {
+ setTimeout(resolve, 0);
+ })
+ ]);
+
+ p.then(function() {
+ ok(false, "Should not resolve when winning Promise rejected.");
+ runTest();
+ }, function(e) {
+ ok(true, "Should be rejected");
+ ok(e instanceof Error, "Should reject with Error.");
+ ok(e.message == "Fail bad!", "Message should match.");
+ runTest();
+ });
+}
+
+function promiseRaceThrow() {
+ var p = Promise.race([
+ new Promise(function(resolve) {
+ nonExistent();
+ }),
+ new Promise(function(resolve) {
+ setTimeout(resolve, 0);
+ })
+ ]);
+
+ p.then(function() {
+ ok(false, "Should not resolve when winning Promise had an error.");
+ runTest();
+ }, function(e) {
+ ok(true, "Should be rejected");
+ ok(e instanceof ReferenceError, "Should reject with ReferenceError for function nonExistent().");
+ runTest();
+ });
+}
+
+function promiseResolveArray() {
+ var p = Promise.resolve([1,2,3]);
+ ok(p instanceof Promise, "Should return a Promise.");
+ p.then(function(v) {
+ ok(Array.isArray(v), "Resolved value should be an Array");
+ is(v.length, 3, "Length should match");
+ is(v[0], 1, "Resolved value should match original");
+ is(v[1], 2, "Resolved value should match original");
+ is(v[2], 3, "Resolved value should match original");
+ runTest();
+ });
+}
+
+function promiseResolveThenable() {
+ var p = Promise.resolve({ then: function(onFulfill, onReject) { onFulfill(2); } });
+ ok(p instanceof Promise, "Should cast to a Promise.");
+ p.then(function(v) {
+ is(v, 2, "Should resolve to 2.");
+ runTest();
+ }, function(e) {
+ ok(false, "promiseResolveThenable should've resolved");
+ runTest();
+ });
+}
+
+function promiseResolvePromise() {
+ var original = Promise.resolve(true);
+ var cast = Promise.resolve(original);
+
+ ok(cast instanceof Promise, "Should cast to a Promise.");
+ is(cast, original, "Should return original Promise.");
+ cast.then(function(v) {
+ is(v, true, "Should resolve to true.");
+ runTest();
+ });
+}
+
+// Bug 1009569.
+// Ensure that thenables are run on a clean stack asynchronously.
+// Test case adopted from
+// https://gist.github.com/getify/d64bb01751b50ed6b281#file-bug1-js.
+function promiseResolveThenableCleanStack() {
+ function immed(s) { x++; s(); }
+ function incX(){ x++; }
+
+ var x = 0;
+ var thenable = { then: immed };
+ var results = [];
+
+ var p = Promise.resolve(thenable).then(incX);
+ results.push(x);
+
+ // check what happens after all "next cycle" steps
+ // have had a chance to complete
+ setTimeout(function(){
+ // Result should be [0, 2] since `thenable` will be called async.
+ is(results[0], 0, "Expected thenable to be called asynchronously");
+ // See Bug 1023547 comment 13 for why this check has to be gated on p.
+ p.then(function() {
+ results.push(x);
+ is(results[1], 2, "Expected thenable to be called asynchronously");
+ runTest();
+ });
+ },1000);
+}
+
+// Bug 1062323
+function promiseWrapperAsyncResolution()
+{
+ var p = new Promise(function(resolve, reject){
+ resolve();
+ });
+
+ var results = [];
+ var q = p.then(function () {
+ results.push("1-1");
+ }).then(function () {
+ results.push("1-2");
+ }).then(function () {
+ results.push("1-3");
+ });
+
+ var r = p.then(function () {
+ results.push("2-1");
+ }).then(function () {
+ results.push("2-2");
+ }).then(function () {
+ results.push("2-3");
+ });
+
+ Promise.all([q, r]).then(function() {
+ var match = results[0] == "1-1" &&
+ results[1] == "2-1" &&
+ results[2] == "1-2" &&
+ results[3] == "2-2" &&
+ results[4] == "1-3" &&
+ results[5] == "2-3";
+ ok(match, "Chained promises should resolve asynchronously.");
+ runTest();
+ }, function() {
+ ok(false, "promiseWrapperAsyncResolution: One of the promises failed.");
+ runTest();
+ });
+}
+
+var tests = [
+ promiseResolve,
+ promiseReject,
+ promiseException,
+ promiseAsync_TimeoutResolveThen,
+ promiseAsync_ResolveTimeoutThen,
+ promiseAsync_ResolveThenTimeout,
+ promiseAsync_SyncXHRAndImportScripts,
+ promiseDoubleThen,
+ promiseThenException,
+ promiseThenCatchThen,
+ promiseRejectThenCatchThen,
+ promiseRejectThenCatchThen2,
+ promiseRejectThenCatchExceptionThen,
+ promiseThenCatchOrderingResolve,
+ promiseThenCatchOrderingReject,
+ promiseNestedPromise,
+ promiseNestedNestedPromise,
+ promiseWrongNestedPromise,
+ promiseLoop,
+ promiseStaticReject,
+ promiseStaticResolve,
+ promiseResolveNestedPromise,
+ promiseResolveNoArg,
+ promiseRejectNoArg,
+
+ promiseThenNoArg,
+ promiseThenUndefinedResolveFunction,
+ promiseThenNullResolveFunction,
+ promiseCatchNoArg,
+ promiseRejectNoHandler,
+
+ promiseUtilitiesDefined,
+
+ promiseAllArray,
+ promiseAllWaitsForAllPromises,
+ promiseAllRejectFails,
+
+ promiseRaceEmpty,
+ promiseRaceValuesArray,
+ promiseRacePromiseArray,
+ promiseRaceReject,
+ promiseRaceThrow,
+
+ promiseResolveArray,
+ promiseResolveThenable,
+ promiseResolvePromise,
+
+ promiseResolveThenableCleanStack,
+
+ promiseWrapperAsyncResolution,
+];
+
+function runTest() {
+ if (!tests.length) {
+ postMessage({ type: 'finish' });
+ return;
+ }
+
+ var test = tests.shift();
+ test();
+}
+
+onmessage = function() {
+ runTest();
+}