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-rw-r--r--js/src/tests/non262/Symbol/property-basics.js44
1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/non262/Symbol/property-basics.js b/js/src/tests/non262/Symbol/property-basics.js
new file mode 100644
index 0000000000..63bcb3867c
--- /dev/null
+++ b/js/src/tests/non262/Symbol/property-basics.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+var symbols = [
+ Symbol(),
+ Symbol("one"),
+ Symbol.for("two"),
+ Symbol.iterator,
+ Object(Symbol())
+];
+
+for (var sym of symbols) {
+ var obj = {};
+
+ // access a nonexistent property
+ assertEq(sym in obj, false);
+ assertEq(obj.hasOwnProperty(sym), false);
+ assertEq(obj[sym], undefined);
+ assertEq(typeof obj[sym], "undefined");
+ assertEq(Object.getOwnPropertyDescriptor(obj, sym), undefined);
+
+ // assign, then try accessing again
+ obj[sym] = "ok";
+ assertEq(sym in obj, true);
+ assertEq(obj.hasOwnProperty(sym), true);
+ assertEq(obj[sym], "ok");
+ assertDeepEq(Object.getOwnPropertyDescriptor(obj, sym), {
+ value: "ok",
+ writable: true,
+ enumerable: true,
+ configurable: true
+ });
+
+ // assign again, observe value is overwritten
+ obj[sym] = 12;
+ assertEq(obj[sym], 12);
+
+ // increment
+ assertEq(obj[sym]++, 12);
+ assertEq(obj[sym], 13);
+}
+
+if (typeof reportCompare === "function")
+ reportCompare(0, 0);