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-rw-r--r--js/src/tests/test262/language/optional-chaining/member-expression-async-this.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/optional-chaining/member-expression-async-this.js b/js/src/tests/test262/language/optional-chaining/member-expression-async-this.js
new file mode 100644
index 0000000000..5de87fa9bb
--- /dev/null
+++ b/js/src/tests/test262/language/optional-chaining/member-expression-async-this.js
@@ -0,0 +1,21 @@
+// |reftest| async
+// 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 this] OptionalChain
+features: [optional-chaining]
+flags: [async]
+---*/
+
+async function thisFn() {
+ return await this?.a
+}
+thisFn.call({a: Promise.resolve(33)}).then(function(arg) {
+ assert.sameValue(33, arg);
+}).then($DONE, $DONE);