diff -r 5f8ccd1d59bd -r 64989511f6c3 test/test_resource.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/test_resource.c	Mon Sep 08 11:39:54 2025 +0200
@@ -0,0 +1,166 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2025 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "test_resource.h"
+
+#include "helper.h"
+
+
+CX_TEST(test_resource_iterator_visitor) {
+    DavContext *ctx = dav_context_new();
+    DavSession *sn = test_session(ctx);
+    CX_TEST_DO {
+        DavResource *root = dav_resource_new(sn, "/");
+        DavResource *c1 = dav_resource_new(sn, "/child1");
+        DavResource *c2 = dav_resource_new(sn, "/child2");
+        DavResource *c1c1 = dav_resource_new(sn, "/child1/sub1");
+        DavResource *c1c2 = dav_resource_new(sn, "/child1/sub2");
+        DavResource *c1c2c1 = dav_resource_new(sn, "/child2/sub2/x1");
+        DavResource *c1c3 = dav_resource_new(sn, "/child1/sub3");
+        DavResource *c3 = dav_resource_new(sn, "/child3");
+        
+        root->children = c1;
+        c1->next = c2; c2->prev = c1;
+        c2->next = c3; c3->prev = c2;
+        
+        c1->parent = root;
+        c2->parent = root;
+        c3->parent = root;
+        
+        c1->children = c1c1;
+        c1c1->next = c1c2; c1c2->prev = c1c1;
+        c1c2->next = c1c3; c1c3->prev = c1c2;
+        
+        c1c1->parent = c1;
+        c1c2->parent = c1;
+        c1c3->parent = c1;
+        
+        c1c2->children = c1c2c1; c1c2c1->parent = c1c2;
+        
+        DavResource *resources[] = {root, c1, c2, c3, c1c1, c1c2, c1c3, c1c2c1 };
+        
+        // Iterator Test
+        CxTreeIterator i = dav_resource_iterator(root);
+        int iterated = 0;
+        cx_foreach(DavResource *, res, i) {
+            for(int r=0;r<8;r++) {
+                if(res == resources[r]) {
+                    res->exists = 1;
+                    break;
+                }
+            }
+            iterated++;
+        }
+        CX_TEST_ASSERT(iterated == 8);
+        
+        for(int ir=0;ir<8;ir++) {
+            CX_TEST_ASSERT(resources[ir]->exists);
+            resources[ir]->exists = 0; // reset for next test
+        }
+        
+        // Visitor Test
+        CxTreeVisitor v = dav_resource_visitor(root);
+        int visited = 0;
+        cx_foreach(DavResource *, res, v) {
+            for(int r=0;r<8;r++) {
+                if(res == resources[r]) {
+                    res->exists = 1;
+                    break;
+                }
+            }
+            visited++;
+        }
+        CX_TEST_ASSERT(visited == 8);
+        
+        for(int vr=0;vr<8;vr++) {
+            CX_TEST_ASSERT(resources[vr]->exists);
+            resources[vr]->exists = 0; // reset for next test
+        }
+        
+        
+        // partial test
+        i = dav_resource_iterator(c1);
+        iterated = 0;
+        cx_foreach(DavResource *, res, i) {
+            iterated++;
+        }
+        CX_TEST_ASSERT(iterated == 7);
+        
+        v = dav_resource_visitor(c1);
+        visited = 0;
+        cx_foreach(DavResource *, res, v) {
+            visited++;
+        }
+        CX_TEST_ASSERT(visited == 7);
+    }
+    dav_context_destroy(ctx);
+}
+
+CX_TEST(test_resource_map) {
+    DavContext *ctx = dav_context_new();
+    DavSession *sn = test_session(ctx);
+    CX_TEST_DO {
+        DavResource *root = dav_resource_new(sn, "/");
+        DavResource *c1 = dav_resource_new(sn, "/child1");
+        DavResource *c2 = dav_resource_new(sn, "/child2");
+        DavResource *c1c1 = dav_resource_new(sn, "/child1/sub1");
+        DavResource *c1c2 = dav_resource_new(sn, "/child1/sub2");
+        DavResource *c2c2c1 = dav_resource_new(sn, "/child2/sub2/x1");
+        DavResource *c1c3 = dav_resource_new(sn, "/child1/sub3");
+        DavResource *c3 = dav_resource_new(sn, "/child3");
+        
+        root->children = c1;
+        c1->next = c2; c2->prev = c1;
+        c2->next = c3; c3->prev = c2;
+        
+        c1->parent = root;
+        c2->parent = root;
+        c3->parent = root;
+        
+        c1->children = c1c1;
+        c1c1->next = c1c2; c1c2->prev = c1c1;
+        c1c2->next = c1c3; c1c3->prev = c1c2;
+        
+        c1c1->parent = c1;
+        c1c2->parent = c1;
+        c1c3->parent = c1;
+        
+        c1c2->children = c2c2c1; c2c2c1->parent = c1c2;
+        
+        CxMap *map = dav_resource_map(root);
+        CX_TEST_ASSERT(cxMapGet(map, "/") == root);
+        CX_TEST_ASSERT(cxMapGet(map, "/child1") == c1);
+        CX_TEST_ASSERT(cxMapGet(map, "/child2") == c2);
+        CX_TEST_ASSERT(cxMapGet(map, "/child3") == c3);
+        CX_TEST_ASSERT(cxMapGet(map, "/child1/sub1") == c1c1);
+        CX_TEST_ASSERT(cxMapGet(map, "/child1/sub2") == c1c2);
+        CX_TEST_ASSERT(cxMapGet(map, "/child1/sub3") == c1c3);
+        CX_TEST_ASSERT(cxMapGet(map, "/child2/sub2/x1") == c2c2c1);
+    }
+    dav_context_destroy(ctx);
+}
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