diff --git a/testing/tests/regression-suite/525-iCal-PROPFIND.result b/testing/tests/regression-suite/525-iCal-PROPFIND.result
new file mode 100644
index 00000000..fed144c3
--- /dev/null
+++ b/testing/tests/regression-suite/525-iCal-PROPFIND.result
@@ -0,0 +1,47 @@
+HTTP/1.1 207 Multi-Status
+Date: Dow, 01 Jan 2000 00:00:00 GMT
+DAV: 1, 2, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy
+ETag: "d5cc88f137d733e311ab4e4f73e88ed8"
+Content-Length: 1357
+Content-Type: text/xml; charset="utf-8"
+
+<?xml version="1.0" encoding="utf-8" ?>
+<multistatus xmlns="DAV:" xmlns:C="http://calendarserver.org/ns/" xmlns:C1="urn:ietf:params:xml:ns:caldav">
+ <response>
+  <href>/caldav.php/manager1/calendar-proxy-read/</href>
+  <propstat>
+   <prop>
+    <C:getctag>"ccdfbfa2e7ee6c47d3ea8f134d415b89"</C:getctag>
+    <displayname>/manager1/calendar-proxy-read/</displayname>
+    <resourcetype>
+     <collection/>
+     <C:calendar-proxy-read/>
+    </resourcetype>
+    <group-membership>
+     <href>/caldav.php/assistant1/</href>
+     <href>/caldav.php/teamclient1/</href>
+     <href>/caldav.php/user1/</href>
+     <href>/caldav.php/user1/calendar-proxy-read/</href>
+     <href>/caldav.php/assistant1/calendar-proxy-read/</href>
+     <href>/caldav.php/resource1/calendar-proxy-read/</href>
+     <href>/caldav.php/resource2/calendar-proxy-read/</href>
+    </group-membership>
+    <C:calendar-proxy-read-for>
+     <href>/caldav.php/user1/</href>
+     <href>/caldav.php/assistant1/</href>
+     <href>/caldav.php/resource1/</href>
+     <href>/caldav.php/resource2/</href>
+    </C:calendar-proxy-read-for>
+    <C:calendar-proxy-write-for/>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+  <propstat>
+   <prop>
+    <C1:calendar-description/>
+    <group-member-set/>
+   </prop>
+   <status>HTTP/1.1 404 Not Found</status>
+  </propstat>
+ </response>
+</multistatus>
diff --git a/testing/tests/regression-suite/525-iCal-PROPFIND.test b/testing/tests/regression-suite/525-iCal-PROPFIND.test
new file mode 100644
index 00000000..f31762c5
--- /dev/null
+++ b/testing/tests/regression-suite/525-iCal-PROPFIND.test
@@ -0,0 +1,28 @@
+#
+# Testing with a process similar to iCal 10.5
+#
+TYPE=PROPFIND
+URL=http://mycaldav/caldav.php/manager1/calendar-proxy-read/
+HEAD
+
+AUTH=assistant1:assistant1
+
+HEADER=User-Agent: DAVKit/3.0.4 (652); CalendarStore/3.0.5 (841); iCal/3.0.5 (1270); Mac OS X/10.5.5 (9F33)
+HEADER=Content-Type: text/xml
+HEADER=Depth: 0
+
+BEGINDATA
+<?xml version="1.0" encoding="utf-8"?>
+<x0:propfind xmlns:x1="http://calendarserver.org/ns/" xmlns:x0="DAV:" xmlns:x2="urn:ietf:params:xml:ns:caldav">
+ <x0:prop>
+  <x1:getctag/>
+  <x0:displayname/>
+  <x2:calendar-description/>
+  <x0:resourcetype/>
+  <x0:group-member-set/>
+  <x0:group-membership/>
+  <x1:calendar-proxy-read-for/>
+  <x1:calendar-proxy-write-for/>
+ </x0:prop>
+</x0:propfind>
+ENDDATA
diff --git a/testing/tests/regression-suite/526-iCal-PROPFIND.result b/testing/tests/regression-suite/526-iCal-PROPFIND.result
new file mode 100644
index 00000000..167f2892
--- /dev/null
+++ b/testing/tests/regression-suite/526-iCal-PROPFIND.result
@@ -0,0 +1,30 @@
+HTTP/1.1 207 Multi-Status
+Date: Dow, 01 Jan 2000 00:00:00 GMT
+DAV: 1, 2, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy
+ETag: "a5e9b2d6ceab834c384219859234d38c"
+Content-Length: 764
+Content-Type: text/xml; charset="utf-8"
+
+<?xml version="1.0" encoding="utf-8" ?>
+<multistatus xmlns="DAV:">
+ <response>
+  <href>/caldav.php/user1/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/manager1/</href>
+     <href>/caldav.php/resource1/</href>
+     <href>/caldav.php/assistant1/</href>
+     <href>/caldav.php/resource2/</href>
+     <href>/caldav.php/resmgr1/</href>
+     <href>/caldav.php/teamclient1/</href>
+     <href>/caldav.php/manager1/calendar-proxy-read/</href>
+     <href>/caldav.php/assistant1/calendar-proxy-read/</href>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+</multistatus>
diff --git a/testing/tests/regression-suite/526-iCal-PROPFIND.test b/testing/tests/regression-suite/526-iCal-PROPFIND.test
new file mode 100644
index 00000000..f7e8647b
--- /dev/null
+++ b/testing/tests/regression-suite/526-iCal-PROPFIND.test
@@ -0,0 +1,19 @@
+#
+# Testing with a process similar to iCal 10.5
+#
+TYPE=PROPFIND
+URL=http://mycaldav/caldav.php/user1/
+HEAD
+
+HEADER=User-Agent: DAVKit/3.0.4 (652); CalendarStore/3.0.5 (841); iCal/3.0.5 (1270); Mac OS X/10.5.5 (9F33)
+HEADER=Content-Type: text/xml
+HEADER=Depth: 0
+
+BEGINDATA
+<?xml version="1.0" encoding="utf-8"?>
+<x0:propfind xmlns:x0="DAV:" >
+ <x0:prop>
+  <x0:group-membership/>
+ </x0:prop>
+</x0:propfind>
+ENDDATA
diff --git a/testing/tests/regression-suite/527-iCal-PROPFIND.result b/testing/tests/regression-suite/527-iCal-PROPFIND.result
new file mode 100644
index 00000000..59fde3ed
--- /dev/null
+++ b/testing/tests/regression-suite/527-iCal-PROPFIND.result
@@ -0,0 +1,46 @@
+HTTP/1.1 207 Multi-Status
+Date: Dow, 01 Jan 2000 00:00:00 GMT
+DAV: 1, 2, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy
+ETag: "1f0e016ecbd8566bc60b88a167178059"
+Content-Length: 1071
+Content-Type: text/xml; charset="utf-8"
+
+<?xml version="1.0" encoding="utf-8" ?>
+<multistatus xmlns="DAV:">
+ <response>
+  <href>/caldav.php/resmgr1/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+ <response>
+  <href>/caldav.php/resmgr1/calendar-proxy-read/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+ <response>
+  <href>/caldav.php/resmgr1/calendar-proxy-write/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+</multistatus>
diff --git a/testing/tests/regression-suite/527-iCal-PROPFIND.test b/testing/tests/regression-suite/527-iCal-PROPFIND.test
new file mode 100644
index 00000000..e9a1d145
--- /dev/null
+++ b/testing/tests/regression-suite/527-iCal-PROPFIND.test
@@ -0,0 +1,19 @@
+#
+# Testing with a process similar to iCal 10.5
+#
+TYPE=PROPFIND
+URL=http://mycaldav/caldav.php/resmgr1/
+HEAD
+
+HEADER=User-Agent: DAVKit/3.0.4 (652); CalendarStore/3.0.5 (841); iCal/3.0.5 (1270); Mac OS X/10.5.5 (9F33)
+HEADER=Content-Type: text/xml
+HEADER=Depth: 1
+
+BEGINDATA
+<?xml version="1.0" encoding="utf-8"?>
+<x0:propfind xmlns:x0="DAV:" >
+ <x0:prop>
+  <x0:group-membership/>
+ </x0:prop>
+</x0:propfind>
+ENDDATA
diff --git a/testing/tests/regression-suite/528-iCal-PROPFIND.result b/testing/tests/regression-suite/528-iCal-PROPFIND.result
new file mode 100644
index 00000000..59fde3ed
--- /dev/null
+++ b/testing/tests/regression-suite/528-iCal-PROPFIND.result
@@ -0,0 +1,46 @@
+HTTP/1.1 207 Multi-Status
+Date: Dow, 01 Jan 2000 00:00:00 GMT
+DAV: 1, 2, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy
+ETag: "1f0e016ecbd8566bc60b88a167178059"
+Content-Length: 1071
+Content-Type: text/xml; charset="utf-8"
+
+<?xml version="1.0" encoding="utf-8" ?>
+<multistatus xmlns="DAV:">
+ <response>
+  <href>/caldav.php/resmgr1/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+ <response>
+  <href>/caldav.php/resmgr1/calendar-proxy-read/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+ <response>
+  <href>/caldav.php/resmgr1/calendar-proxy-write/</href>
+  <propstat>
+   <prop>
+    <group-membership>
+     <href>/caldav.php/resource1/calendar-proxy-write/</href>
+     <href>/caldav.php/resource2/calendar-proxy-write/</href>
+    </group-membership>
+   </prop>
+   <status>HTTP/1.1 200 OK</status>
+  </propstat>
+ </response>
+</multistatus>
diff --git a/testing/tests/regression-suite/528-iCal-PROPFIND.test b/testing/tests/regression-suite/528-iCal-PROPFIND.test
new file mode 100644
index 00000000..e9a1d145
--- /dev/null
+++ b/testing/tests/regression-suite/528-iCal-PROPFIND.test
@@ -0,0 +1,19 @@
+#
+# Testing with a process similar to iCal 10.5
+#
+TYPE=PROPFIND
+URL=http://mycaldav/caldav.php/resmgr1/
+HEAD
+
+HEADER=User-Agent: DAVKit/3.0.4 (652); CalendarStore/3.0.5 (841); iCal/3.0.5 (1270); Mac OS X/10.5.5 (9F33)
+HEADER=Content-Type: text/xml
+HEADER=Depth: 1
+
+BEGINDATA
+<?xml version="1.0" encoding="utf-8"?>
+<x0:propfind xmlns:x0="DAV:" >
+ <x0:prop>
+  <x0:group-membership/>
+ </x0:prop>
+</x0:propfind>
+ENDDATA