1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/fields/private-field-destructuring.js b/js/src/jit-test/tests/fields/private-field-destructuring.js
new file mode 100644
index 0000000000..82aa032a8c
--- /dev/null
+++ b/js/src/jit-test/tests/fields/private-field-destructuring.js
@@ -0,0 +1,41 @@
+function assertThrows(fun, errorType) {
+  try {
+    fun();
+    throw 'Expected error, but none was thrown';
+  } catch (e) {
+    if (!(e instanceof errorType)) {
+      throw 'Wrong error type thrown';
+    }
+  }
+}
+
+class A {
+  #a;
+  #b;
+  #c;
+  #d;
+  #e;
+  static destructure(o, x) {
+    [o.#a, o.#b, o.#c, o.#d, ...o.#e] = x;
+  }
+
+  static get(o) {
+    return {a: o.#a, b: o.#b, c: o.#c, d: o.#d, e: o.#e};
+  }
+};
+
+for (var i = 0; i < 1000; i++) {
+  var a = new A();
+  A.destructure(a, [1, 2, 3, 4, 5]);
+  var res = A.get(a);
+  assertEq(res.a, 1);
+  assertEq(res.b, 2);
+  assertEq(res.c, 3);
+  assertEq(res.d, 4);
+  assertEq(res.e.length, 1);
+  assertEq(res.e[0], 5);
+
+  var obj = {};
+  assertThrows(() => A.destructure(obj, [1, 2, 3, 4, 5]), TypeError);
+  assertThrows(() => A.get(obj), TypeError);
+}
+\ No newline at end of file