1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/unboxed-object-convert-to-native.js b/js/src/jit-test/tests/basic/unboxed-object-convert-to-native.js
new file mode 100644
index 000000000..691fe166c
--- /dev/null
+++ b/js/src/jit-test/tests/basic/unboxed-object-convert-to-native.js
@@ -0,0 +1,47 @@
+
+// Test various ways of converting an unboxed object to native.
+
+function Foo(a, b) {
+    this.a = a;
+    this.b = b;
+}
+
+var proxyObj = {
+  get: function(recipient, name) {
+    return recipient[name] + 2;
+  }
+};
+
+function f() {
+    var a = [];
+    for (var i = 0; i < 50; i++)
+        a.push(new Foo(i, i + 1));
+
+    var prop = "a";
+
+    i = 0;
+    for (; i < 5; i++)
+        a[i].c = i;
+    for (; i < 10; i++)
+        Object.defineProperty(a[i], 'c', {value: i});
+    for (; i < 15; i++)
+        a[i] = new Proxy(a[i], proxyObj);
+    for (; i < 20; i++)
+        a[i].a = 3.5;
+    for (; i < 25; i++)
+        delete a[i].b;
+    for (; i < 30; i++)
+        a[prop] = 4;
+
+    var total = 0;
+    for (i = 0; i < a.length; i++) {
+        if ('a' in a[i])
+            total += a[i].a;
+        if ('b' in a[i])
+            total += a[i].b;
+        if ('c' in a[i])
+            total += a[i].c;
+    }
+    assertEq(total, 2382.5);
+}
+f();