1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/builtin.js b/js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/builtin.js
new file mode 100644
index 0000000000..1c88d3f66f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/prototype/isPrototypeOf/builtin.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2009 the Sputnik authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.prototype.isprototypeof
+description: >
+  Tests that Object.prototype.isPrototypeOf meets the requirements
+  for built-in objects defined by the introduction of chapter 17 of
+  the ECMAScript Language Specification.
+features: [Reflect.construct]
+---*/
+
+assert(
+  Object.isExtensible(Object.prototype.isPrototypeOf),
+  'Object.isExtensible(Object.prototype.isPrototypeOf) must return true'
+);
+assert.sameValue(
+  Object.prototype.toString.call(Object.prototype.isPrototypeOf),
+  "[object Function]",
+  'Object.prototype.toString.call(Object.prototype.isPrototypeOf) must return "[object Function]"'
+);
+assert.sameValue(
+  Object.getPrototypeOf(Object.prototype.isPrototypeOf),
+  Function.prototype,
+  'Object.getPrototypeOf(Object.prototype.isPrototypeOf) must return the value of Function.prototype'
+);
+assert.sameValue(
+  Object.prototype.isPrototypeOf.hasOwnProperty("prototype"),
+  false,
+  'Object.prototype.isPrototypeOf.hasOwnProperty("prototype") must return false'
+);
+
+reportCompare(0, 0);