trailing backslash

Author: adamdickmeiss

src/main/java/org/z3950/zing/cql/CQLTermNode.java

@@ -242,6 +242,10 @@ static String toCQLTerm(String str) {
             escaped = ch == '\\' && !escaped;
             sb.append(ch);
         }
+        if (escaped) {
+            // trailing backslash - escape it
+            sb.append('\\');
+        }
         if (quote) {
             return "\"" + sb.toString() + "\"";
         } else {

src/test/java/org/z3950/zing/cql/CQLTermNodeTest.java

@@ -50,8 +50,13 @@ public void TestTCQLTermQuoteQuote4() {
     }
 
     @Test
-    public void TestTCQLTermQuoteBackSlashTrail() {
-        assertEquals("a\\", CQLTermNode.toCQLTerm("a\\"));
+    public void TestTCQLTermQuoteBackSlashTrail1() {
+        assertEquals("a\\\\", CQLTermNode.toCQLTerm("a\\"));
+    }
+
+    @Test
+    public void TestTCQLTermQuoteBackSlashTrail2() {
+        assertEquals("\"a \\\\\"", CQLTermNode.toCQLTerm("a \\"));
     }
 
 }