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-rw-r--r--js/src/tests/non262/class/superThisStrictNoBoxing.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/class/superThisStrictNoBoxing.js b/js/src/tests/non262/class/superThisStrictNoBoxing.js
new file mode 100644
index 0000000000..f479ac036a
--- /dev/null
+++ b/js/src/tests/non262/class/superThisStrictNoBoxing.js
@@ -0,0 +1,31 @@
+class C {
+ get prop_this() { return this; }
+}
+
+var g_prop_this = 'prop_this';
+class D extends C {
+ super_prop() { return super.prop_this; }
+ super_elem() { return super[g_prop_this]; }
+}
+
+var barsym = Symbol("bar");
+
+// Test that primitive |this| values are not boxed, and undefined/null are not
+// globals for super.property.
+assertEq(new D().super_prop.call(3), 3);
+assertEq(new D().super_prop.call("foo"), "foo");
+assertEq(new D().super_prop.call(true), true);
+assertEq(new D().super_prop.call(barsym), barsym);
+assertEq(new D().super_prop.call(null), null);
+assertEq(new D().super_prop.call(undefined), undefined);
+
+// Ditto for super[elem]
+assertEq(new D().super_elem.call(3), 3);
+assertEq(new D().super_elem.call("foo"), "foo");
+assertEq(new D().super_elem.call(true), true);
+assertEq(new D().super_elem.call(barsym), barsym);
+assertEq(new D().super_elem.call(null), null);
+assertEq(new D().super_elem.call(undefined), undefined);
+
+if (typeof reportCompare === 'function')
+ reportCompare(0, 0);