JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / object-get-own-property-symbols.js

diff --git a/tests/stress/object-get-own-property-symbols.js b/tests/stress/object-get-own-property-symbols.js
new file mode 100644 (file)
index 0000000..40e93d8
--- /dev/null
+++ b/tests/stress/object-get-own-property-symbols.js
@@ -0,0 +1,35 @@
+// This tests Object.getOwnPropertySymbols.
+
+var global = (Function("return this")());
+
+// private names for privileged code should not be exposed.
+if (Object.getOwnPropertySymbols(global).length !== 0)
+    throw "Error: bad value " + Object.getOwnPropertySymbols(global).length;
+
+var object = {};
+var symbol = Symbol("Cocoa");
+object[symbol] = "Cappuccino";
+if (Object.getOwnPropertyNames(object).length !== 0)
+    throw "Error: bad value " + Object.getOwnPropertyNames(object).length;
+if (Object.getOwnPropertySymbols(object).length !== 1)
+    throw "Error: bad value " + Object.getOwnPropertySymbols(object).length;
+if (Object.getOwnPropertySymbols(object)[0] !== symbol)
+    throw "Error: bad value " + String(Object.getOwnPropertySymbols(object)[0]);
+
+function forIn(obj) {
+    var array = [];
+    // Symbol should not be enumerated.
+    for (var key in obj) array.push(key);
+    return array;
+}
+
+if (forIn(object).length !== 0)
+    throw "Error: bad value " + forIn(object).length;
+if (Object.keys(object).length !== 0)
+    throw "Error: bad value " + Object.keys(object).length;
+
+delete object[symbol];
+if (Object.getOwnPropertyNames(object).length !== 0)
+    throw "Error: bad value " + Object.getOwnPropertyNames(object).length;
+if (Object.getOwnPropertySymbols(object).length !== 0)
+    throw "Error: bad value " + Object.getOwnPropertySymbols(object).length;