1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/non262/async-functions/async-property-name-error.js b/js/src/tests/non262/async-functions/async-property-name-error.js
new file mode 100644
index 0000000000..926794e5d0
--- /dev/null
+++ b/js/src/tests/non262/async-functions/async-property-name-error.js
@@ -0,0 +1,21 @@
+function assertSyntaxError(code) {
+    assertThrowsInstanceOf(() => { Function(code); }, SyntaxError, "Function:" + code);
+    assertThrowsInstanceOf(() => { eval(code); }, SyntaxError, "eval:" + code);
+    var ieval = eval;
+    assertThrowsInstanceOf(() => { ieval(code); }, SyntaxError, "indirect eval:" + code);
+}
+
+assertSyntaxError(`({async async: 0})`);
+assertSyntaxError(`({async async})`);
+assertSyntaxError(`({async async, })`);
+assertSyntaxError(`({async async = 0} = {})`);
+
+for (let decl of ["var", "let", "const"]) {
+    assertSyntaxError(`${decl} {async async: a} = {}`);
+    assertSyntaxError(`${decl} {async async} = {}`);
+    assertSyntaxError(`${decl} {async async, } = {}`);
+    assertSyntaxError(`${decl} {async async = 0} = {}`);
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);