test262/test/language/expressions/async-generator/throw-suspendedYield-try-ca...

47 lines
1.4 KiB
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
author: Caitlin Potter <caitp@igalia.com>
esid: pending
description: >
Thrown generator suspended in a yield position resumes execution within
the associated catch-block
info: |
AsyncGeneratorResumeNext:
If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is
"suspendedYield", and generator is resumed within a try-block with an
associated catch block, resume execution within catch-block.
flags: [async]
features: [async-iteration]
---*/
var error = new Error('boop');
var g = async function*() {
try {
yield 1;
throw new Test262Error('Generator must be resumed in catch block.');
} catch (err) {
assert.sameValue(err, error);
return 'done';
}
};
var it = g();
it.next().then(function(ret) {
assert.sameValue(ret.value, 1, 'Initial yield');
assert.sameValue(ret.done, false, 'Initial yield');
it.throw(error).then(function(ret) {
assert.sameValue(ret.value, 'done', 'AsyncGeneratorResolve(generator, resultValue, true)');
assert.sameValue(ret.done, true, 'AsyncGeneratorResolve(generator, resultValue, true)');
it.next().then(function(ret) {
assert.sameValue(ret.value, undefined, 'Generator is closed');
assert.sameValue(ret.done, true, 'Generator is closed');
}).then($DONE, $DONE);
}).catch($DONE);
}).catch($DONE);