1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testDeleteProperty.cpp b/js/src/jsapi-tests/testDeleteProperty.cpp
new file mode 100644
index 0000000000..263c858069
--- /dev/null
+++ b/js/src/jsapi-tests/testDeleteProperty.cpp
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "js/Id.h"
+#include "js/PropertyAndElement.h"
+#include "jsapi-tests/tests.h"
+
+BEGIN_TEST(testDeleteProperty) {
+  JS::RootedValue val(cx);
+  EVAL("var obj = {a: 1, b: 2, c: 3, d: 4, e: 5, f: 6, g: 7, h: 8}; obj", &val);
+  CHECK(val.isObject());
+  JS::RootedObject obj(cx, &val.toObject());
+
+  JS::Rooted<JS::PropertyKey> key(cx);
+
+  auto createPropertyKey = [](JSContext* cx, const char* s,
+                              JS::MutableHandle<JS::PropertyKey> key) {
+    JSString* atom = JS_AtomizeString(cx, s);
+    if (!atom) {
+      return false;
+    }
+    key.set(JS::PropertyKey::NonIntAtom(atom));
+    return true;
+  };
+
+  // Test delete APIs without an ObjectOpResult argument.
+  CHECK(JS_DeleteProperty(cx, obj, "b"));
+  CHECK(createPropertyKey(cx, "d", &key));
+  CHECK(JS_DeletePropertyById(cx, obj, key));
+
+  // Test delete APIs with an ObjectOpResult argument.
+  JS::ObjectOpResult result;
+  CHECK(JS_DeleteProperty(cx, obj, "e", result));
+  CHECK(result);
+  CHECK(createPropertyKey(cx, "f", &key));
+  CHECK(JS_DeletePropertyById(cx, obj, key, result));
+  CHECK(result);
+
+  // Check properties were deleted.
+  EVAL("JSON.stringify(obj)", &val);
+  CHECK(val.isString());
+  bool match = false;
+  CHECK(JS_StringEqualsAscii(cx, val.toString(),
+                             "{\"a\":1,\"c\":3,\"g\":7,\"h\":8}", &match));
+  CHECK(match);
+
+  return true;
+}
+END_TEST(testDeleteProperty)