JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / array-from-with-accessors.js

diff --git a/tests/stress/array-from-with-accessors.js b/tests/stress/array-from-with-accessors.js
new file mode 100644 (file)
index 0000000..cfe65ca
--- /dev/null
+++ b/tests/stress/array-from-with-accessors.js
@@ -0,0 +1,22 @@
+function shouldBe(actual, expected) {
+    if (actual !== expected)
+        throw new Error('bad value: ' + actual);
+}
+
+var array = [0, 1, 2, 3, 4, 5];
+Object.defineProperty(Array.prototype, '0', {
+    get() {
+        throw new Error('cannot get to 0 getter');
+    },
+    set() {
+        throw new Error('cannot put to 0 setter');
+    }
+});
+
+var result = Array.from(array);
+shouldBe(result.length, array.length);
+shouldBe(result instanceof Array, true);
+
+for (var i = 0; i < array.length; ++i)
+    shouldBe(result[i], array[i]);
+