diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_5/RegExp/shell.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_5/RegExp/shell.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+function makeExpectedMatch(arr, index, input) {
+    var expectedMatch = {
+        index: index,
+        input: input,
+        length: arr.length,
+    };
+
+    for (var i = 0; i < arr.length; ++i)
+        expectedMatch[i] = arr[i];
+
+    return expectedMatch;
+}
+
+function checkRegExpMatch(actual, expected) {
+    assertEq(actual.length, expected.length);
+    for (var i = 0; i < actual.length; ++i)
+        assertEq(actual[i], expected[i]);
+
+    assertEq(actual.index, expected.index);
+    assertEq(actual.input, expected.input);
+}