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author | Matt A. Tobin <email@mattatobin.com> | 2022-05-05 16:49:07 -0500 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2022-05-05 16:49:07 -0500 |
commit | 2678e7f06f0e13e617046bd270f25b8358be5f15 (patch) | |
tree | 0e5fa7827860e5d576e64e96b6103ac73f68543f /js/src/tests/test262/language/optional-chaining/optional-chain-expression-optional-expression.js | |
parent | 5033dbca32609b69c512e0edd0b4fc40d220de67 (diff) | |
download | aura-central-2678e7f06f0e13e617046bd270f25b8358be5f15.tar.gz |
[JS:Engine] Implement the Optional Chaining operator (?.)
Diffstat (limited to 'js/src/tests/test262/language/optional-chaining/optional-chain-expression-optional-expression.js')
-rw-r--r-- | js/src/tests/test262/language/optional-chaining/optional-chain-expression-optional-expression.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/optional-chaining/optional-chain-expression-optional-expression.js b/js/src/tests/test262/language/optional-chaining/optional-chain-expression-optional-expression.js new file mode 100644 index 000000000..be898b876 --- /dev/null +++ b/js/src/tests/test262/language/optional-chaining/optional-chain-expression-optional-expression.js @@ -0,0 +1,22 @@ +// 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 bracket notation containing optional expresion +info: | + OptionalChain: + ?. [OptionalExpression] +features: [optional-chaining] +---*/ +const a = undefined; +const b = {e: 0}; +const c = {}; +c[undefined] = 11; +const d = [22]; + +assert.sameValue(undefined, a?.[a?.b]); +assert.sameValue(11, c?.[a?.b]); +assert.sameValue(22, d?.[b?.e]); + +reportCompare(0, 0); |