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23d566209a
For asynchronous tests, the contract between test file and test runner
is implicit: runners are expected to inspect the source code for
references to a global `$DONE` identifier.
Promote a more explicit contract between test file and test runner by
introducing a new frontmatter "tag", `async`. This brings asynchronous
test configuration in-line with other configuration mechanisms and also
provides a more natural means of test filtering.
The modifications to test files was made programatically using the
`grep` and `sed` utilities:
$ grep "\$DONE" test/ -r --files-with-match --null | \
xargs -0 sed -i 's/^\(flags:\s*\)\[/\1[async, /g'
$ grep "\$DONE" test/ -rl --null | \
xargs -0 grep -E '^flags:' --files-without-match --null | \
xargs -0 sed -i 's/^---\*\//flags: [async]\n---*\//'
55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: >
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Resolved promises ignore rejections through deferred invocation of the
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provided resolving function
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es6id: 25.4.4.1
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info: >
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[...]
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6. Let promiseCapability be NewPromiseCapability(C).
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[...]
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11. Let result be PerformPromiseAll(iteratorRecord, promiseCapability, C).
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[...]
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25.4.4.1.1 Runtime Semantics: PerformPromiseAll
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[...]
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6. Repeat
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[...]
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r. Let result be Invoke(nextPromise, "then", resolveElement,
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promiseCapability.[[Reject]]»).
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25.4.1.3.1 Promise Reject Functions
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[...]
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2. Let promise be the value of F's [[Promise]] internal slot.
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3. Let alreadyResolved be the value of F's [[AlreadyResolved]] internal
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slot.
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4. If alreadyResolved.[[value]] is true, return undefined.
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flags: [async]
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---*/
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var fulfiller = {
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then: function(resolve) {
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new Promise(function(resolve) { resolve(); })
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.then(function() {
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resolve();
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});
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}
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};
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var rejector = {
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then: function(resolve, reject) {
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new Promise(function(resolve) { resolve(); })
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.then(function() {
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resolve();
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reject();
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});
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}
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};
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Promise.all([fulfiller, rejector])
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.then(function() {
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$DONE();
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}, function() {
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$DONE('The promise should not be rejected.');
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});
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