1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/charAt/S15.5.4.4_A4_T2.js b/js/src/tests/test262/built-ins/String/prototype/charAt/S15.5.4.4_A4_T2.js
new file mode 100644
index 0000000000..4624ccef9f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/charAt/S15.5.4.4_A4_T2.js
@@ -0,0 +1,25 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    If pos is a value of Number type that is an integer, then the result of
+    x.charAt(pos) is equal to the result of x.substring(pos, pos+1)
+es5id: 15.5.4.4_A4_T2
+description: >
+    Compare results of x.charAt(pos) and x.substring(pos, pos+1), wheb
+    pos is smaller of zero
+---*/
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+for (var i = -2; i < 0; i++) {
+  if ("ABC\u0041\u0042\u0043".charAt(i) !== "\u0041\u0042\u0043ABC".substring(i, i + 1)) {
+    throw new Test262Error('#' + (i + 2) + ': "ABC\\u0041\\u0042\\u0043".charAt(' + i + ') === "\\u0041\\u0042\\u0043ABC".substring(' + i + ', ' + (i + 1) + '). Actual: "ABC\\u0041\\u0042\\u0043".charAt(' + i + ') ===' + ("ABC\u0041\u0042\u0043".charAt(i)));
+  }
+}
+
+//
+//////////////////////////////////////////////////////////////////////////////
+
+reportCompare(0, 0);