diff -r 4adad7faf452 -r c337a7ac82a8 src/server/test/webdav.c
--- a/src/server/test/webdav.c	Sat Jan 25 21:37:38 2020 +0100
+++ b/src/server/test/webdav.c	Sun Jan 26 10:13:11 2020 +0100
@@ -1076,11 +1076,12 @@
     testutil_destroy_session(sn);
 }
 
-static void init_test_webdav_propfind(
+static void init_test_webdav_method(
         Session **out_sn,
         Request **out_rq,
         TestIOStream **out_st,
         pblock **out_pb,
+        const char *method,
         const char *request_body)
 {
     Session *sn;
@@ -1089,7 +1090,7 @@
     pblock *pb;
     
     sn = testutil_session();
-    rq = testutil_request(sn->pool, "PROPFIND", "/");
+    rq = testutil_request(sn->pool, method, "/");
     
     pblock_nvinsert("path", "/", rq->vars);
     pblock_nvinsert("uri", "/", rq->reqpb);
@@ -1117,7 +1118,7 @@
     
     int ret;
     // Test 1
-    init_test_webdav_propfind(&sn, &rq, &st, &pb, TEST_PROPFIND1);
+    init_test_webdav_method(&sn, &rq, &st, &pb, "PROPFIND", TEST_PROPFIND1);
     
     ret = webdav_propfind(pb, sn, rq);
     
@@ -1134,7 +1135,7 @@
     testutil_iostream_destroy(st);
     
     // Test2
-    init_test_webdav_propfind(&sn, &rq, &st, &pb, TEST_PROPFIND2);
+    init_test_webdav_method(&sn, &rq, &st, &pb, "PROPFIND", TEST_PROPFIND2);
     
     ret = webdav_propfind(pb, sn, rq);
     
@@ -1394,3 +1395,76 @@
     UCX_TEST_END;
     testutil_destroy_session(sn);
 }
+
+#define xstreq(a, b) (!strcmp((const char*)a, (const char*)b))
+
+UCX_TEST(test_webdav_proppatch) {
+    Session *sn;
+    Request *rq; 
+    TestIOStream *st;
+    pblock *pb;
+    
+    UCX_TEST_BEGIN;
+    
+    int ret;
+    // Test 1
+    init_test_webdav_method(&sn, &rq, &st, &pb, "PROPPATCH", TEST_PROPPATCH2);
+    rq->davCollection = &backend1;
+    ret = webdav_proppatch(pb, sn, rq);
+    
+    UCX_TEST_ASSERT(ret == REQ_PROCEED, "webdav_proppatch (1) failed");
+    
+    xmlDoc *doc = xmlReadMemory(
+            st->buf->space, st->buf->size, NULL, NULL, 0);
+    UCX_TEST_ASSERT(doc, "proppatch1: response is not valid xml");
+    
+    //printf("\n\n%.*s\n", (int)st->buf->size, st->buf->space);
+    
+    xmlNode *root = xmlDocGetRootElement(doc);
+    UCX_TEST_ASSERT(root, "proppatch1: no root");
+    
+    xmlNode *nodeC = NULL;
+    xmlNode *node = root->children;
+    int depth = 1;
+    while(node) {
+        const xmlChar *name = node->name;
+        int nextNode = 1;
+        if(node->type != XML_ELEMENT_NODE) {
+            // nothing
+        } else if(depth == 1) {
+            if(xstreq(name, "response")) {
+                nextNode = 0;
+            }
+        } else if(depth == 2) {
+            if(xstreq(name, "propstat")) {
+                nextNode = 0;
+            }
+        } else if(depth == 3) {
+            if(xstreq(name, "prop")) {
+                nextNode = 0;
+            }
+        } else if(depth == 4) {
+            if(xstreq(name, "c")) {
+                nodeC = node;
+                break;
+            }
+        }
+        
+        if(nextNode) {
+            node = node->next;
+        } else {
+            node = node->children;
+            depth++;
+        }
+    }
+    
+    UCX_TEST_ASSERT(nodeC, "prop c not in response");
+    UCX_TEST_ASSERT(!nodeC->children, "properties must not have a value");
+    
+    testutil_destroy_session(sn);
+    xmlFreeDoc(doc);
+    testutil_iostream_destroy(st);
+    
+    
+    UCX_TEST_END;
+}