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JavaScriptCore-7601.1.46.3.tar.gz
[apple/javascriptcore.git] / tests / stress / array-map-put-by-val-direct.js
diff --git a/tests/stress/array-map-put-by-val-direct.js b/tests/stress/array-map-put-by-val-direct.js
new file mode 100644 (file)
index 0000000..88e5cde
--- /dev/null
@@ -0,0 +1,27 @@
+function shouldBe(actual, expected) {
+    if (actual !== expected)
+        throw new Error('bad value: ' + actual);
+}
+
+for (var i = 0; i < 10; ++i) {
+    Object.defineProperty(Array.prototype, i, {
+        get() {
+            throw new Error('get is called.');
+        },
+        set(value) {
+            throw new Error('set is called.');
+        }
+    });
+}
+
+var original = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
+
+// Doesn't throw any errors.
+var mapped = original.map(function (value) {
+    return value * 2;
+});
+
+shouldBe(mapped.length, 10);
+for (var i = 0; i < 10; ++i) {
+    shouldBe(mapped[i], i * 2);
+}