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-rw-r--r--js/src/tests/test262/language/optional-chaining/call-expression.js77
1 files changed, 77 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/optional-chaining/call-expression.js b/js/src/tests/test262/language/optional-chaining/call-expression.js
new file mode 100644
index 000000000..aa3f4abeb
--- /dev/null
+++ b/js/src/tests/test262/language/optional-chaining/call-expression.js
@@ -0,0 +1,77 @@
+// 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 call expression
+info: |
+ Left-Hand-Side Expressions
+ OptionalExpression:
+ CallExpression OptionalChain
+features: [optional-chaining]
+---*/
+
+// CallExpression CoverCallExpressionAndAsyncArrowHead
+function fn () {
+ return {a: 33};
+};
+const obj = {
+ fn () {
+ return 44;
+ }
+}
+assert.sameValue(33, fn()?.a);
+assert.sameValue(undefined, fn()?.b);
+assert.sameValue(44, obj?.fn());
+
+// CallExpression SuperCall
+class A {}
+class B extends A {
+ constructor () {
+ assert.sameValue(undefined, super()?.a);
+ }
+}
+new B();
+
+// CallExpression Arguments
+function fn2 () {
+ return () => {
+ return {a: 66};
+ };
+}
+function fn3 () {
+ return () => {
+ return null;
+ };
+}
+assert.sameValue(66, fn2()()?.a);
+assert.sameValue(undefined, fn3()()?.a);
+
+// CallExpression [Expression]
+function fn4 () {
+ return [{a: 77}];
+}
+function fn5 () {
+ return [];
+}
+assert.sameValue(77, fn4()[0]?.a);
+assert.sameValue(undefined, fn5()[0]?.a);
+
+// CallExpression .IdentifierName
+function fn6 () {
+ return {
+ a: {
+ b: 88
+ }
+ };
+}
+assert.sameValue(88, fn6().a?.b);
+assert.sameValue(undefined, fn6().b?.c);
+
+// CallExpression TemplateLiteral
+function fn7 () {
+ return () => {};
+}
+assert.sameValue(undefined, fn7()`hello`?.a);
+
+reportCompare(0, 0);