diff -r 02b000e40e5e -r 3ca85da78515 src/test/java/de/unixwork/uwproj/RegressionTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/java/de/unixwork/uwproj/RegressionTest.java	Wed Sep 06 21:08:04 2023 +0200
@@ -0,0 +1,39 @@
+package de.unixwork.uwproj;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.BufferedWriter;
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Objects;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class RegressionTest {
+
+    private void goldenSampleTest(String xml, String gs) throws Exception {
+        final var contents = new ByteArrayOutputStream();
+        try (var out = new BufferedWriter(new OutputStreamWriter(contents))) {
+            Main.writeConfigureScript(out, "test/make/configure.vm", Main.loadProjectFile("test/make/" + xml));
+        }
+        assertEquals(
+                Files.readString(Path.of(
+                        Objects.requireNonNull(RegressionTest.class.getClassLoader().getResource("golden-sample/" + gs)).toURI()
+                )),
+                contents.toString(StandardCharsets.UTF_8)
+        );
+    }
+
+    @Test
+    void projectXmlOutput() throws Exception {
+        goldenSampleTest("project.xml", "configure");
+    }
+
+    @Test
+    void project2XmlOutput() throws Exception {
+        goldenSampleTest("project2.xml", "configure2");
+    }
+}