1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check.js b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check.js
new file mode 100644
index 0000000000..ba3e5ca66d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/private-setter-brand-check.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: PrivateBrandCheck fails when the object O doesn't have P.[[Brand]] (private setter)
+esid: sec-privatefieldget
+info: |
+  PrivateFieldGet (P, O)
+    1. Assert: P is a Private Name.
+    2. If O is not an object, throw a TypeError exception.
+    3. If P.[[Kind]] is "field",
+      a. Let entry be PrivateFieldFind(P, O).
+      b. If entry is empty, throw a TypeError exception.
+      c. Return entry.[[PrivateFieldValue]].
+    4. Perform ? PrivateBrandCheck(O, P).
+    5. If P.[[Kind]] is "method",
+      a. Return P.[[Value]].
+    6. Else,
+      a. Assert: P.[[Kind]] is "accessor".
+      b. If P does not have a [[Get]] field, throw a TypeError exception.
+      c. Let getter be P.[[Get]].
+      d. Return ? Call(getter, O).
+
+  PrivateBrandCheck(O, P)
+    1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
+      a. Throw a TypeError exception.
+features: [class, class-methods-private]
+---*/
+
+class C {
+  set #m(v) { this._v = v; }
+  
+  access(o, v) {
+    return o.#m = v;
+  }
+}
+
+let c = new C();
+c.access(c, 'test262');
+assert.sameValue(c._v, 'test262');
+
+let o = {};
+assert.throws(TypeError, function() {
+  c.access(o, 'foo');
+}, 'invalid access a private setter');
+
+
+reportCompare(0, 0);