Index: trunk/test/functional/org/openstreetmap/josm/data/imagery/ImageryCompareTestIT.java
===================================================================
--- trunk/test/functional/org/openstreetmap/josm/data/imagery/ImageryCompareTestIT.java	(revision 11426)
+++ trunk/test/functional/org/openstreetmap/josm/data/imagery/ImageryCompareTestIT.java	(revision 11426)
@@ -0,0 +1,56 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.data.imagery;
+
+import static org.junit.Assert.fail;
+
+import java.net.URL;
+
+import org.junit.Test;
+import org.openstreetmap.josm.tools.HttpClient;
+
+/**
+ * Automatic test of imagery synchronization between JOSM and ELI.
+ * See <a href="https://josm.openstreetmap.de/wiki/ImageryCompare">JOSM wiki</a>
+ */
+public class ImageryCompareTestIT {
+
+    private static String BLACK_PREFIX = "<pre style=\"margin:3px;color:black\">";
+    private static String RED_PREFIX = "<pre style=\"margin:3px;color:red\">";
+
+    /**
+     * Test of imagery entries.
+     * @throws Exception if an error occurs
+     */
+    @Test
+    public void testImageryEntries() throws Exception {
+        System.out.println("Displaying only red entries. The test fails if at least one is found");
+        boolean rubricDisplayed = false;
+        boolean redFound = false;
+        String comparison = HttpClient.create(new URL("https://josm.openstreetmap.de/wiki/ImageryCompare")).connect().fetchContent();
+        String rubricLine = null;
+        for (String line : comparison.split("\n")) {
+            boolean black = line.startsWith(BLACK_PREFIX);
+            if (black) {
+                rubricLine = line;
+                rubricDisplayed = false;
+            } else {
+                boolean red = line.startsWith(RED_PREFIX);
+                if (red) {
+                    if (!rubricDisplayed && rubricLine != null) {
+                        System.out.println(rubricLine.replace(BLACK_PREFIX, "").replace("</pre>", ""));
+                        rubricDisplayed = true;
+                    }
+                    System.out.println(line.replace(RED_PREFIX, "").replace("</pre>", ""));
+                    if (!redFound && red) {
+                        redFound = true;
+                    }
+                }
+            }
+        }
+        if (redFound) {
+            fail("Error: at least a red line has been found, see https://josm.openstreetmap.de/wiki/ImageryCompare for details");
+        } else {
+            System.out.println("No error :)");
+        }
+    }
+}