--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/qmake/testfunction.pro	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,20 @@
+#! [0]
+defineTest(allFiles) {
+    files = $$ARGS
+
+    for(file, files) {
+        !exists($$file) {
+            return(false)
+        }
+    }
+    return(true)
+}
+#! [0]
+
+files = delegate.h model.h view.h
+
+allFiles($$files) {
+    message(All files are present: $$files)
+} else {
+    message(Not all files are present: $$files)
+}