diff options
Diffstat (limited to 'js/src/tests/non262/Promise/promise-basics.js')
-rw-r--r-- | js/src/tests/non262/Promise/promise-basics.js | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/js/src/tests/non262/Promise/promise-basics.js b/js/src/tests/non262/Promise/promise-basics.js new file mode 100644 index 0000000000..ad186537fe --- /dev/null +++ b/js/src/tests/non262/Promise/promise-basics.js @@ -0,0 +1,96 @@ +// |reftest| skip-if(!xulRuntime.shell) -- needs drainJobQueue + +let results = []; + +new Promise(res=>res('result')) + .then(val=>{results.push('then ' + val); return 'first then rval';}) + .then(val=>results.push('chained then with val: ' + val)); + +new Promise((res, rej)=>rej('rejection')) + .catch(val=>{results.push('catch ' + val); return results.length;}) + .then(val=>results.push('then after catch with val: ' + val), + val=>{throw new Error("mustn't be called")}); + +new Promise((res, rej)=> {res('result'); rej('rejection'); }) + .catch(val=>{throw new Error("mustn't be called");}) + .then(val=>results.push('then after resolve+reject with val: ' + val), + val=>{throw new Error("mustn't be called")}); + +new Promise((res, rej)=> { rej('rejection'); res('result'); }) + .catch(val=>{results.push('catch after reject+resolve with val: ' + val);}) + + +drainJobQueue(); + +assertEq(results.length, 6); +assertEq(results[0], 'then result'); +assertEq(results[1], 'catch rejection'); +assertEq(results[2], 'catch after reject+resolve with val: rejection'); +assertEq(results[3], 'chained then with val: first then rval'); +assertEq(results[4], 'then after catch with val: 2'); +assertEq(results[5], 'then after resolve+reject with val: result'); + +results = []; + +Promise.resolve('resolution').then(res=>results.push(res), + rej=>{ throw new Error("mustn't be called"); }); + +let thenCalled = false; +Promise.reject('rejection').then(_=>{thenCalled = true}, + rej=>results.push(rej)); + +drainJobQueue(); + +assertEq(thenCalled, false); +assertEq(results.length, 2); +assertEq(results[0], 'resolution'); +assertEq(results[1], 'rejection'); + + +function callback() {} + +// Calling the executor function with content functions shouldn't assert: +Promise.resolve.call(function(exec) { exec(callback, callback); }); +Promise.reject.call(function(exec) { exec(callback, callback); }); +Promise.all.call(function(exec) { exec(callback, callback); }); +Promise.race.call(function(exec) { exec(callback, callback); }); + +let resolveResult = undefined; +function resolveFun() {resolveResult = "resolveCalled";} +Promise.resolve.call(function(exec) { exec(resolveFun, callback); }); +assertEq(resolveResult, "resolveCalled"); + +let rejectResult = undefined; +function rejectFun() {rejectResult = "rejectCalled";} +Promise.reject.call(function(exec) { exec(callback, rejectFun); }); +assertEq(rejectResult, "rejectCalled"); + +// These should throw: +var wasCalled = false; +var hasThrown = false; +try { + // Calling the executor function twice, providing a resolve callback both times. + Promise.resolve.call(function(executor) { + wasCalled = true; + executor(callback, undefined); + executor(callback, callback); + }); +} catch (e) { + hasThrown = true; +} +assertEq(wasCalled, true); +assertEq(hasThrown, true); + +var hasThrown = false; +try { + // Calling the executor function twice, providing a reject callback both times. + Promise.resolve.call(function(executor) { + executor(undefined, callback); + executor(callback, callback); + }); +} catch (e) { + hasThrown = true; +} +assertEq(hasThrown, true); + +this.reportCompare && reportCompare(0, 0, "ok"); |