1 files changed, 86 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/decorators/accessors.js b/js/src/jit-test/tests/decorators/accessors.js
new file mode 100644
index 0000000000..660c6e79df
--- /dev/null
+++ b/js/src/jit-test/tests/decorators/accessors.js
@@ -0,0 +1,86 @@
+// |jit-test| skip-if: !getBuildConfiguration("decorators")
+
+load(libdir + "asserts.js");
+
+function assertAccessorDescriptor(object, name) {
+  var desc = Object.getOwnPropertyDescriptor(object, name);
+  assertEq(desc.configurable, true, "The value of `desc.configurable` is `true`");
+  assertEq(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+  assertEq(typeof desc.get, 'function', "`typeof desc.get` is `'function'`");
+  assertEq(typeof desc.set, 'function', "`typeof desc.set` is `'function'`");
+  assertEq(
+    'prototype' in desc.get,
+    false,
+    "The result of `'prototype' in desc.get` is `false`"
+  );
+  assertEq(
+    'prototype' in desc.set,
+    false,
+    "The result of `'prototype' in desc.set` is `false`"
+  );
+}
+
+class C {
+  accessor x;
+}
+
+assertAccessorDescriptor(C.prototype, 'x');
+
+let c = new C();
+assertEq(c.x, undefined, "The value of `c.x` is `undefined` after construction");
+c.x = 2;
+assertEq(c.x, 2, "The value of `c.x` is `2`, after executing `c.x = 2;`");
+
+class D {
+  accessor x = 1;
+}
+
+assertAccessorDescriptor(D.prototype, 'x');
+
+let d = new D();
+assertEq(d.x, 1, "The value of `d.x` is `1` after construction");
+d.x = 2;
+assertEq(d.x, 2, "The value of `d.x` is `2`, after executing `d.x = 2;`");
+
+class E {
+  accessor #x = 1;
+
+  getX() {
+    return this.#x;
+  }
+
+  setX(v) {
+    this.#x = v;
+  }
+}
+
+let e = new E();
+assertEq(e.getX(), 1, "The value of `e.x` is `1` after construction");
+e.setX(2);
+assertEq(e.getX(), 2, "The value of `e.x` is `2`, after executing `e.setX(2);`");
+
+class F {
+  static accessor x = 1;
+}
+
+assertEq(F.x, 1, "The value of `F.x` is `1` after construction");
+F.x = 2;
+assertEq(F.x, 2, "The value of `F.x` is `2`, after executing `F.x = 2;`");
+
+assertAccessorDescriptor(F, 'x');
+
+class G {
+  static accessor #x = 1;
+
+  getX() {
+    return G.#x;
+  }
+
+  setX(v) {
+    G.#x = v;
+  }
+}
+g = new G();
+assertEq(g.getX(), 1, "The value of `g.getX()` is `1` after construction");
+g.setX(2);
+assertEq(g.getX(), 2, "The value of `g.getX()` is `2`, after executing `g.setX(2)`");