diff options
Diffstat (limited to 'test/language/expressions/optional-chaining/static-semantics-simple-assignment.js')
-rw-r--r-- | test/language/expressions/optional-chaining/static-semantics-simple-assignment.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/language/expressions/optional-chaining/static-semantics-simple-assignment.js b/test/language/expressions/optional-chaining/static-semantics-simple-assignment.js new file mode 100644 index 000000000..7eb974455 --- /dev/null +++ b/test/language/expressions/optional-chaining/static-semantics-simple-assignment.js @@ -0,0 +1,23 @@ + +// Copyright 2019 Google, Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: prod-OptionalExpression +description: > + an optional expression cannot be target of assignment +info: | + Static Semantics: IsValidSimpleAssignmentTarget + LeftHandSideExpression: + OptionalExpression + Return false. +features: [optional-chaining] +negative: + type: SyntaxError + phase: parse +---*/ + +$DONOTEVALUATE(); + +const obj = {}; + +obj?.a = 33; |