Index: trunk/test/unit/org/openstreetmap/josm/data/imagery/TMSCachedTileLoaderJobTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/imagery/TMSCachedTileLoaderJobTest.java	(revision 13631)
+++ trunk/test/unit/org/openstreetmap/josm/data/imagery/TMSCachedTileLoaderJobTest.java	(revision 13631)
@@ -0,0 +1,55 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.data.imagery;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.regex.Matcher;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.openstreetmap.josm.testutils.JOSMTestRules;
+import org.openstreetmap.josm.tools.Utils;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+/**
+ * Unit tests for class {@link TMSCachedTileLoaderJob}.
+ */
+public class TMSCachedTileLoaderJobTest {
+
+    /**
+     * Setup tests
+     */
+    @Rule
+    @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
+    public JOSMTestRules test = new JOSMTestRules();
+
+    /**
+     * Tests that {@code TMSCachedTileLoaderJob#SERVICE_EXCEPTION_PATTERN} is correct.
+     */
+    @Test
+    public void testServiceExceptionPattern() {
+        test("missing parameters ['version', 'format']",
+                "<?xml version=\"1.0\"?>\n" +
+                "<!DOCTYPE ServiceExceptionReport SYSTEM \"http://schemas.opengis.net/wms/1.1.1/exception_1_1_1.dtd\">\n" +
+                "<ServiceExceptionReport version=\"1.1.1\">\n" +
+                "    <ServiceException>missing parameters ['version', 'format']</ServiceException>\n" +
+                "</ServiceExceptionReport>");
+        test("Parameter 'layers' contains unacceptable layer names.",
+                "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>\r\n" +
+                "<!DOCTYPE ServiceExceptionReport SYSTEM \"http://schemas.opengis.net/wms/1.1.1/exception_1_1_1.dtd\">\r\n" +
+                "<ServiceExceptionReport version=\"1.1.1\">\r\n" +
+                "  <ServiceException code=\"LayerNotDefined\">\r\n" +
+                "Parameter 'layers' contains unacceptable layer names.\r\n" +
+                "  </ServiceException>\r\n" +
+                "</ServiceExceptionReport>\r\n" +
+                "");
+    }
+
+    private static void test(String expected, String xml) {
+        Matcher m = TMSCachedTileLoaderJob.SERVICE_EXCEPTION_PATTERN.matcher(xml);
+        assertTrue(xml, m.matches());
+        assertEquals(expected, Utils.strip(m.group(1)));
+    }
+}