1 files changed, 120 insertions, 0 deletions
diff --git a/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/prefs/FilePreferencesImplTest.java b/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/prefs/FilePreferencesImplTest.java
new file mode 100644
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--- /dev/null
+++ b/harmony-tests/src/test/java/org/apache/harmony/tests/java/util/prefs/FilePreferencesImplTest.java
@@ -0,0 +1,120 @@
+/* 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.harmony.tests.java.util.prefs;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.prefs.BackingStoreException;
+import java.util.prefs.Preferences;
+import java.util.prefs.PreferencesFactory;
+import junit.framework.TestCase;
+import libcore.io.IoUtils;
+
+public class FilePreferencesImplTest extends TestCase {
+
+    private Preferences uroot;
+    private Preferences sroot;
+
+    @Override
+    protected void setUp() throws Exception {
+        File tmpDir = IoUtils.createTemporaryDirectory("FilePreferencesImplTest");
+        AbstractPreferencesTest.TestPreferencesFactory factory
+                = new AbstractPreferencesTest.TestPreferencesFactory(tmpDir.getAbsolutePath());
+
+        uroot = factory.userRoot().node("harmony_test");
+        sroot = factory.systemRoot().node("harmony_test");
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        uroot.removeNode();
+        sroot.removeNode();
+        uroot = null;
+        sroot = null;
+    }
+
+    public void testPutGet() throws IOException, BackingStoreException {
+        uroot.put("ukey1", "value1");
+        assertEquals("value1", uroot.get("ukey1", null));
+        String[] names = uroot.keys();
+        assertEquals(1, names.length);
+
+        uroot.put("ukey2", "value3");
+        assertEquals("value3", uroot.get("ukey2", null));
+        uroot.put("\u4e2d key1", "\u4e2d value1");
+        assertEquals("\u4e2d value1", uroot.get("\u4e2d key1", null));
+        names = uroot.keys();
+        assertEquals(3, names.length);
+
+        uroot.flush();
+        uroot.clear();
+        names = uroot.keys();
+        assertEquals(0, names.length);
+
+        sroot.put("skey1", "value1");
+        assertEquals("value1", sroot.get("skey1", null));
+        sroot.put("\u4e2d key1", "\u4e2d value1");
+        assertEquals("\u4e2d value1", sroot.get("\u4e2d key1", null));
+    }
+
+    public void testChildNodes() throws Exception {
+        Preferences child1 = uroot.node("child1");
+        Preferences child2 = uroot.node("\u4e2d child2");
+        Preferences grandchild = child1.node("grand");
+        assertNotNull(grandchild);
+
+        String[] childNames = uroot.childrenNames();
+        assertEquals(2, childNames.length);
+
+        childNames = child1.childrenNames();
+        assertEquals(1, childNames.length);
+
+        childNames = child2.childrenNames();
+        assertEquals(0, childNames.length);
+
+        child1.removeNode();
+        childNames = uroot.childrenNames();
+        assertEquals(1, childNames.length);
+
+        child2.removeNode();
+        childNames = uroot.childrenNames();
+        assertEquals(0, childNames.length);
+
+        child1 = sroot.node("child1");
+        child2 = sroot.node("child2");
+        childNames = sroot.childrenNames();
+
+        Preferences grandchild2 = child1.node("grand");
+        assertEquals(2, childNames.length);
+
+        childNames = child1.childrenNames();
+        assertEquals(1, childNames.length);
+
+        childNames = child2.childrenNames();
+        assertEquals(0, childNames.length);
+
+        child1.removeNode();
+        assertNotSame(child1, sroot.node("child1"));
+        assertSame(sroot.node("child1"), sroot.node("child1"));
+        sroot.node("child1").removeNode();
+        childNames = sroot.childrenNames();
+        assertEquals(1, childNames.length);
+        child2.removeNode();
+        childNames = sroot.childrenNames();
+        assertEquals(0, childNames.length);
+    }
+}