SLING-11653 : DefaultAclManager.calculateEnforcedIntermediatePath fails for supported ancestor
diff --git a/src/main/java/org/apache/sling/feature/cpconverter/accesscontrol/DefaultAclManager.java b/src/main/java/org/apache/sling/feature/cpconverter/accesscontrol/DefaultAclManager.java
index 9ad7378..9a87849 100644
--- a/src/main/java/org/apache/sling/feature/cpconverter/accesscontrol/DefaultAclManager.java
+++ b/src/main/java/org/apache/sling/feature/cpconverter/accesscontrol/DefaultAclManager.java
@@ -390,6 +390,8 @@
         String relIntermediate = getRelativeIntermediatePath(intermediatePath);
         if (Text.isDescendantOrEqual(supportedPath, relIntermediate)) {
             return relIntermediate;
+        } else if (Text.isDescendant(relIntermediate, supportedPath)) {
+            return supportedPath;
         } else {
             String parent = Text.getRelativeParent(relIntermediate, 1);
             while (!parent.isEmpty() && !"/".equals(parent)) {
diff --git a/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/AclManagerTest.java b/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/AclManagerTest.java
index e6ec850..6730c88 100644
--- a/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/AclManagerTest.java
+++ b/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/AclManagerTest.java
@@ -345,12 +345,6 @@
         assertEquals(expected, actual);
     }
 
-    @Test(expected = IllegalStateException.class)
-    public void testCalculateEnforcedIntermediatePath() throws Exception {
-        DefaultAclManager aclManager = new DefaultAclManager(null, "system");
-        aclManager.calculateEnforcedIntermediatePath("/home/users/system/some/path");
-    }
-
     @Test(expected = ConverterException.class)
     public void testAddRepoinitExtentionInvalidTxt() throws Exception {
         DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
diff --git a/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/EnforceInfoTest.java b/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/EnforceInfoTest.java
new file mode 100644
index 0000000..953587f
--- /dev/null
+++ b/src/test/java/org/apache/sling/feature/cpconverter/accesscontrol/EnforceInfoTest.java
@@ -0,0 +1,99 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sling.feature.cpconverter.accesscontrol;
+
+import org.apache.sling.feature.cpconverter.ConverterException;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class EnforceInfoTest {
+
+    @Test
+    public void testEnforcePrincipalBasedMissingPath() {
+        DefaultAclManager aclManager = new DefaultAclManager(null, "system");
+        assertFalse(aclManager.enforcePrincipalBased("systemuser"));
+
+        aclManager.recordSystemUserIds("systemuser");
+        assertFalse(aclManager.enforcePrincipalBased("systemuser"));
+    }
+    
+    @Test
+    public void testEnforcePrincipalBased() {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+        assertFalse(aclManager.enforcePrincipalBased("systemuser"));
+        
+        aclManager.recordSystemUserIds("systemuser");
+        assertTrue(aclManager.enforcePrincipalBased("systemuser"));
+    }
+
+    @Test
+    public void testEnforcePrincipalBasedMappedById() {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+        aclManager.addMapping(new Mapping("service:subservice=systemuser", false));
+        aclManager.recordSystemUserIds("systemuser");
+        assertFalse(aclManager.enforcePrincipalBased("systemuser"));
+    }
+
+    @Test
+    public void testEnforcePrincipalBasedMappedByIdEnforceConversion() {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+        aclManager.addMapping(new Mapping("service:subservice=systemuser", true));
+        aclManager.recordSystemUserIds("systemuser");
+        assertTrue(aclManager.enforcePrincipalBased("systemuser"));
+    }
+
+    @Test
+    public void testCalculateEnforcedIntermediateMissingPath() throws Exception {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+
+        assertEquals("system/cq:services", aclManager.calculateEnforcedIntermediatePath(null));
+        assertEquals("system/cq:services", aclManager.calculateEnforcedIntermediatePath(""));
+    }
+    
+    @Test
+    public void testCalculateEnforcedIntermediatePathSubTree() throws Exception {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+
+        assertEquals("system/cq:services/some/path", aclManager.calculateEnforcedIntermediatePath("/home/users/system/cq:services/some/path"));
+        assertEquals("system/cq:services/some/path", aclManager.calculateEnforcedIntermediatePath("/home/users/system/some/path"));
+    }
+    
+    @Test
+    public void testCalculateEnforcedIntermediatePath() throws Exception {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+
+        assertEquals("system/cq:services", aclManager.calculateEnforcedIntermediatePath("/home/users/system/cq:services"));
+        assertEquals("system/cq:services", aclManager.calculateEnforcedIntermediatePath("/home/users/system"));
+    }
+    
+    @Test(expected = IllegalStateException.class)
+    public void testCalculateEnforcedIntermediatePathMissingPath() throws Exception {
+        DefaultAclManager aclManager = new DefaultAclManager(null, "system");
+        aclManager.calculateEnforcedIntermediatePath("/home/users/system/some/path");
+    }
+    
+    @Test(expected = ConverterException.class)
+    public void testCalculateEnforcedIntermediatePathOutsideSupportedScope() throws Exception {
+        DefaultAclManager aclManager = new DefaultAclManager("/home/users/system/cq:services", "system");
+        aclManager.calculateEnforcedIntermediatePath("/home/users");
+    }
+}
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