diff --git a/Examples/test-suite/javascript/integers_runme.js b/Examples/test-suite/javascript/integers_runme.js
index 0356176ad..6cb896fbf 100644
--- a/Examples/test-suite/javascript/integers_runme.js
+++ b/Examples/test-suite/javascript/integers_runme.js
@@ -1,18 +1,16 @@
 var integers = require("integers");
 
-var val = 3902408827
-ret = integers.signed_long_identity(val)
-if (ret != val)
-  throw "Incorrect value: " + ret
+function checkOne(val, fn) {
+  ret = fn(val)
+  if (ret !== val)
+    throw "Incorrect value: expected " + val + ", got " + ret
+}
 
-ret = integers.unsigned_long_identity(val)
-if (ret != val)
-  throw "Incorrect value: " + ret
+function checkAll(val) {
+  checkOne(val, integers.signed_long_identity)
+  checkOne(val, integers.unsigned_long_identity)
+  checkOne(val, integers.signed_long_long_identity)
+  checkOne(val, integers.unsigned_long_long_identity)
+}
 
-ret = integers.signed_long_long_identity(val)
-if (ret != val)
-  throw "Incorrect value: " + ret
-
-ret = integers.unsigned_long_long_identity(val)
-if (ret != val)
-  throw "Incorrect value: " + ret
+checkAll(3902408827)