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author | Maximilian Goldstein <max.goldstein@qt.io> | 2021-04-09 15:03:20 +0200 |
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committer | Maximilian Goldstein <max.goldstein@qt.io> | 2021-04-13 11:45:16 +0000 |
commit | 4dad98d63c279b989fdb48006fbd1db8ee27bc7f (patch) | |
tree | 40bc5864e3df0edd9960b8acfdc769ff894a24ba /test/language/expressions/optional-chaining/member-expression-async-identifier.js | |
parent | 5a105134b9fdf9abc0dc12dc3e44027529634715 (diff) | |
download | qtdeclarative-testsuites-4dad98d63c279b989fdb48006fbd1db8ee27bc7f.tar.gz |
Add optional chaining testssnapshot-20180312-3c69133-based
Change-Id: Ia87313a2756dfbc3d90128ac77cd4dc6c8c137df
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
(cherry picked from commit 7d1cf05c547a636495b2731c4fc2842a01849064)
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Diffstat (limited to 'test/language/expressions/optional-chaining/member-expression-async-identifier.js')
-rw-r--r-- | test/language/expressions/optional-chaining/member-expression-async-identifier.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/language/expressions/optional-chaining/member-expression-async-identifier.js b/test/language/expressions/optional-chaining/member-expression-async-identifier.js new file mode 100644 index 000000000..19f9385eb --- /dev/null +++ b/test/language/expressions/optional-chaining/member-expression-async-identifier.js @@ -0,0 +1,32 @@ +// Copyright 2019 Google, Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: prod-OptionalExpression +description: > + optional chain on member expression in async context +info: | + Left-Hand-Side Expressions + OptionalExpression + MemberExpression [PrimaryExpression identifier] OptionalChain +features: [optional-chaining] +flags: [async] +---*/ + +const a = undefined; +const c = {d: Promise.resolve(11)}; +async function checkAssertions() { + assert.sameValue(await a?.b, undefined); + assert.sameValue(await c?.d, 11); + + Promise.prototype.x = 42; + var res = await Promise.resolve(undefined)?.x; + assert.sameValue(res, 42, 'await unwraps the evaluation of the whole optional chaining expression #1'); + + Promise.prototype.y = 43; + var res = await Promise.reject(undefined)?.y; + assert.sameValue(res, 43, 'await unwraps the evaluation of the whole optional chaining expression #2'); + + c.e = Promise.resolve(39); + assert.sameValue(await c?.e, 39, 'await unwraps the promise given after the evaluation of the OCE'); +} +checkAssertions().then($DONE, $DONE); |