JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / set-constructor-adder.js

diff --git a/tests/stress/set-constructor-adder.js b/tests/stress/set-constructor-adder.js
new file mode 100644 (file)
index 0000000..c69ae91
--- /dev/null
+++ b/tests/stress/set-constructor-adder.js
@@ -0,0 +1,34 @@
+// Set constructor with adder change.
+
+var originalAdder = Set.prototype.add;
+var counter = 0;
+
+Set.prototype.add = function (value) {
+    counter++;
+    return originalAdder.call(this, value);
+};
+
+var values = [0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0];
+var set = new Set(values);
+if (set.size !== 6)
+    throw "Error: bad set size " + set.size;
+if (counter !== values.length)
+    throw "Error: bad counter " + counter;
+
+Set.prototype.add = function () {
+    throw new Error("adder called");
+};
+
+var set = new Set();
+var set = new Set([]);
+var error = null;
+try {
+    var set = new Set([0]);
+} catch (e) {
+    error = e;
+}
+if (!error)
+    throw "Error: error not thrown";
+if (String(error) !== "Error: adder called")
+    throw "Error: bad error " + String(error);
+