JavaScriptCore-7601.1.46.3.tar.gz

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

diff --git a/tests/stress/map-constructor-adder.js b/tests/stress/map-constructor-adder.js
new file mode 100644 (file)
index 0000000..e788264
--- /dev/null
+++ b/tests/stress/map-constructor-adder.js
@@ -0,0 +1,46 @@
+// Map constructor with adder change.
+
+var originalAdder = Map.prototype.set;
+var counter = 0;
+
+Map.prototype.set = function (key, value) {
+    counter++;
+    return originalAdder.call(this, key, value);
+};
+
+var values = [
+    [ 0, 0 ],
+    [ 1, 1 ],
+    [ 2, 2 ],
+    [ 3, 3 ],
+    [ 4, 4 ],
+    [ 5, 5 ],
+    [ 4, 4 ],
+    [ 3, 3 ],
+    [ 2, 2 ],
+    [ 1, 1 ],
+    [ 0, 0 ],
+];
+var map = new Map(values);
+if (map.size !== 6)
+    throw "Error: bad map size " + map.size;
+if (counter !== values.length)
+    throw "Error: bad counter " + counter;
+
+Map.prototype.set = function () {
+    throw new Error("adder called");
+};
+
+var map = new Map();
+var map = new Map([]);
+var error = null;
+try {
+    var map = new Map([ [0, 0] ]);
+} catch (e) {
+    error = e;
+}
+if (!error)
+    throw "Error: error not thrown";
+if (String(error) !== "Error: adder called")
+    throw "Error: bad error " + String(error);
+