1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object.js b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object.js
new file mode 100644
index 0000000000..e8e93500f5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/create/properties-arg-to-object.js
@@ -0,0 +1,61 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-object.create
+description: >
+  The Properties argument is cast to an object if not undefined
+info: |
+  Object.create ( O, Properties )
+
+  3. If Properties is not undefined, then
+    a. Return ? ObjectDefineProperties(obj, Properties).
+
+  Runtime Semantics: ObjectDefineProperties ( O, Properties )
+
+  2. Let props be ? ToObject(Properties).
+  3. Let keys be ? props.[[OwnPropertyKeys]]().
+  ...
+  // All enumerable keys are added to the created object.
+features: [Symbol]
+---*/
+
+var proto = {};
+
+var obj;
+obj = Object.create(proto, true);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is true: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is true: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is true: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, false);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is false: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is false: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is false: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, 1);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is 1: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is 1: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is 1: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, NaN);
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is NaN: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is NaN: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is NaN: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, '');
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is the empty string: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is the empty string: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is the empty string: no symbol keys set');
+
+obj = undefined;
+obj = Object.create(proto, Symbol('s'));
+assert.sameValue(Object.getPrototypeOf(obj), proto, 'Properties is symbol: prototype is set');
+assert.sameValue(Object.getOwnPropertyNames(obj).length, 0, 'Properties is symbol: no keys set');
+assert.sameValue(Object.getOwnPropertySymbols(obj).length, 0, 'Properties is symbol: no symbol keys set');
+
+reportCompare(0, 0);