JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / symbol-define-property.js

diff --git a/tests/stress/symbol-define-property.js b/tests/stress/symbol-define-property.js
new file mode 100644 (file)
index 0000000..bac3ec0
--- /dev/null
+++ b/tests/stress/symbol-define-property.js
@@ -0,0 +1,33 @@
+// This tests Object.create, Object.defineProperty, Object.defineProperties work with Symbol.
+
+function testSymbol(object) {
+    if (!object.hasOwnProperty(Symbol.iterator))
+        throw "Error: object doesn't have Symbol.iterator";
+    if (object.propertyIsEnumerable(Symbol.iterator))
+        throw "Error: Symbol.iterator is defined as enumerable";
+    if (JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator)) !== '{"value":42,"writable":false,"enumerable":false,"configurable":false}')
+        throw "Error: bad property descriptor " + JSON.stringify(Object.getOwnPropertyDescriptor(object, Symbol.iterator));
+    if (Object.getOwnPropertySymbols(object).length !== 1)
+    throw "Error: bad value " + Object.getOwnPropertySymbols(object).length;
+    if (Object.getOwnPropertySymbols(object)[0] !== Symbol.iterator)
+        throw "Error: bad value " + String(Object.getOwnPropertySymbols(object)[0]);
+}
+
+var object = Object.create(Object.prototype, {
+    [Symbol.iterator]: {
+        value: 42
+    }
+});
+testSymbol(object);
+
+var object = Object.defineProperties({}, {
+    [Symbol.iterator]: {
+        value: 42
+    }
+});
+testSymbol(object);
+
+var object = Object.defineProperty({}, Symbol.iterator, {
+    value: 42
+});
+testSymbol(object);