1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/class-field-on-frozen-objects-strict.js b/js/src/tests/test262/language/statements/class/elements/class-field-on-frozen-objects-strict.js
new file mode 100644
index 0000000000..94a86d6694
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/class-field-on-frozen-objects-strict.js
@@ -0,0 +1,30 @@
+'use strict';
+// Copyright (C) 2019 Caio Lima. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Public class field initialization fails on frozen object
+esid: sec-define-field
+info: |
+  DefineField(receiver, fieldRecord)
+    ...
+    8. If fieldName is a Private Name,
+      a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
+    9. Else,
+      a. Assert: IsPropertyKey(fieldName) is true.
+      b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
+    10. Return.
+features: [class, class-fields-public]
+flags: [onlyStrict]
+---*/
+
+class Test {
+  f = Object.freeze(this);
+  g = "Test262";
+}
+
+assert.throws(TypeError, function() {
+  new Test();
+}, "Frozen objects can't be changed");
+
+reportCompare(0, 0);