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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---*\//'
76 lines
2.1 KiB
JavaScript
76 lines
2.1 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: Resolving with a non-thenable object value
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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, C, promiseCapability).
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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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d. If next is false,
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[...]
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iii. If remainingElementsCount.[[value]] is 0,
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1. Let valuesArray be CreateArrayFromList(values).
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2. Let resolveResult be Call(resultCapability.[[Resolve]],
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undefined, «valuesArray»).
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3. ReturnIfAbrupt(resolveResult)
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iv. Return resultCapability.[[Promise]].
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25.4.1.3.2 Promise Resolve Functions
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[...]
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8. Let then be Get(resolution, "then").
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9. If then is an abrupt completion, then
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[...]
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10. Let thenAction be then.[[value]].
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11. If IsCallable(thenAction) is false, then
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a. Return FulfillPromise(promise, resolution).
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flags: [async]
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---*/
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var v1 = {};
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var v2 = {};
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var v3 = {};
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Promise.all([v1, v2, v3])
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.then(function(values) {
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if (!values) {
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$DONE('The promise should be resolved with a value.');
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return;
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}
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if (values.constructor !== Array) {
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$DONE('The promise should be resolved with an Array instance.');
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return;
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}
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if (values.length !== 3) {
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$DONE('The promise should be resolved with an array of proper length.');
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return;
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}
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if (values[0] !== v1) {
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$DONE('The promise should be resolved with the correct element values (#1)');
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return;
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}
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if (values[1] !== v2) {
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$DONE('The promise should be resolved with the correct element values (#2)');
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return;
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}
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if (values[2] !== v3) {
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$DONE('The promise should be resolved with the correct element values (#3)');
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return;
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}
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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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