diff -r 3a009658e995 -r 8f3410b9148f test/bin-test/dav-home/sync.xml
--- a/test/bin-test/dav-home/sync.xml	Sat Oct 12 13:42:32 2019 +0200
+++ b/test/bin-test/dav-home/sync.xml	Sat Oct 12 18:41:10 2019 +0200
@@ -22,7 +22,7 @@
 	</directory>
 	
 	<!--
-	Test 2: default settings after add-directory
+	Test 2: enabled hashing
 	-->
 	<directory>
 		<name>test2a</name>
@@ -67,4 +67,46 @@
 		<hashing>true</hashing>
 		<push-strategy>hash</push-strategy>
 	</directory>
+	
+	<!--
+	Test 3: transition from sync without hashing to sync with hashing
+	-->
+	<directory>
+		<name>test3a</name>
+		<path>$HOME/tmp-sync/test3a</path>
+		<repository>dav-test-repo</repository>
+		<collection>/sync/test3</collection>
+		<trash>.trash</trash>
+		<database>dav-sync-tests-test3a-db.xml</database>
+	</directory>
+	
+	<directory>
+		<name>test3b</name>
+		<path>$HOME/tmp-sync/test3b</path>
+		<repository>dav-test-repo</repository>
+		<collection>/sync/test3</collection>
+		<trash>.trash</trash>
+		<database>dav-sync-tests-test3b-db.xml</database>
+	</directory>
+	
+	<directory>
+		<name>test3ah</name>
+		<path>$HOME/tmp-sync/test3a</path>
+		<repository>dav-test-repo</repository>
+		<collection>/sync/test3</collection>
+		<trash>.trash</trash>
+		<database>dav-sync-tests-test3a-db.xml</database>
+		<hashing>true</hashing>
+	</directory>
+	
+	<directory>
+		<name>test3bh</name>
+		<path>$HOME/tmp-sync/test3b</path>
+		<repository>dav-test-repo</repository>
+		<collection>/sync/test3</collection>
+		<trash>.trash</trash>
+		<database>dav-sync-tests-test3b-db.xml</database>
+		<hashing>true</hashing>
+	</directory>
+	
 </configuration>