1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/S15.4.5.2_A3_T1.js b/js/src/tests/test262/built-ins/Array/S15.4.5.2_A3_T1.js
new file mode 100644
index 0000000000..bf423b476c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/S15.4.5.2_A3_T1.js
@@ -0,0 +1,23 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    If the length property is changed, every property whose name
+    is an array index whose value is not smaller than the new length is automatically deleted
+es5id: 15.4.5.2_A3_T1
+description: >
+    If new length greater than the name of every property whose name
+    is an array index
+---*/
+
+var x = [];
+x.length = 1;
+assert.sameValue(x.length, 1, 'The value of x.length is expected to be 1');
+
+x[5] = 1;
+x.length = 10;
+assert.sameValue(x.length, 10, 'The value of x.length is expected to be 10');
+assert.sameValue(x[5], 1, 'The value of x[5] is expected to be 1');
+
+reportCompare(0, 0);