1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/windowproxy.js b/js/src/jit-test/tests/cacheir/windowproxy.js
new file mode 100644
index 0000000000..994af384e4
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/windowproxy.js
@@ -0,0 +1,32 @@
+
+var g = newGlobal({
+    sameZoneAs: this,
+    useWindowProxy: true,
+});
+
+g.evaluate(`
+    this.data = 7;
+
+    // Getter / Setter
+    Object.defineProperty(this, "prop", {
+        get: function() { return this.data; },
+        set: function(val) { this.data = val; },
+    });
+
+    // Getter / Setter ICs
+    for (var i = 0; i < 20; ++i) {
+        this.data = i;
+        assertEq(prop, i);
+        prop = i;
+        assertEq(this.prop, i);
+        this.prop = i;
+        assertEq(this.data, i);
+    }
+`);
+
+
+// CCW of WindowProxy
+for (var i = 0; i < 20; ++i) {
+    g.slot = i;
+    assertEq(g.slot, i);
+}