1 files changed, 67 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/class/superSetProperty.js b/js/src/jit-test/tests/class/superSetProperty.js
new file mode 100644
index 0000000000..6e136cb58b
--- /dev/null
+++ b/js/src/jit-test/tests/class/superSetProperty.js
@@ -0,0 +1,67 @@
+
+class Base
+{
+    set setter(val) {
+        this.set_val = val;
+        this.set_this = this;
+    }
+}
+Base.prototype.prop = "Base";
+
+class Derived extends Base
+{
+    set setter(val) { super.setter = val; }
+    setelem(pname, val) { super[pname] = val; }
+}
+
+// Test SETPROP_SUPER invoke setters correctly
+function testSetterChain() {
+    let d = new Derived();
+
+    for (let i = 0; i < 10; ++i)
+    {
+        d.setter = i;
+        assertEq(d.set_val, i);
+        assertEq(d.set_this, d);
+    }
+}
+function testSetterChainElem() {
+    let d = new Derived();
+
+    for (let i = 0; i < 10; ++i)
+    {
+        d.setelem("setter", i);
+        assertEq(d.set_val, i);
+        assertEq(d.set_this, d);
+    }
+}
+
+// Test that SETPROP_SUPER modifies |this| and not home object
+function testSuperSetProp() {
+    let d = new Derived();
+
+    for (let i = 0; i < 10; ++i)
+    {
+        d.prop = i;
+        assertEq(d.prop, i);
+        assertEq(d.hasOwnProperty("prop"), true);
+        assertEq(Derived.prototype.prop, "Base");
+    }
+}
+function testSuperSetPropElem() {
+    let d = new Derived();
+
+    for (let i = 0; i < 10; ++i)
+    {
+        d.setelem("prop", i);
+        assertEq(d.prop, i);
+        assertEq(d.hasOwnProperty("prop"), true);
+        assertEq(Derived.prototype.prop, "Base");
+    }
+}
+
+testSetterChain();
+testSetterChainElem();
+
+testSuperSetProp();
+testSuperSetPropElem();