am d8836bb1: Cts test for DumpFileProvider.

* commit 'd8836bb1':
  Cts test for DumpFileProvider.

tests/tests/provider/src/android/provider/cts/ContactsContract_DumpFileProviderTest.java

+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed 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 android.provider.cts;
+
+import android.content.ContentResolver;
+import android.net.Uri;
+import android.test.AndroidTestCase;
+
+import java.io.FileNotFoundException;
+
+public class ContactsContract_DumpFileProviderTest extends AndroidTestCase {
+
+    private static final String URI_PREFIX = "content://com.android.contacts.dumpfile/";
+
+    private static final String[] NOT_ALLOWED_FILES = {
+            "not_allowed.txt",
+            "../A-contacts-db.zip",   // ".." is not allowed.
+            "/A-contacts-db.zip",     // "/" is not allowed
+            "-contacts-db.zip",       // no name prefix
+            "asdf-contacts-db.zip"};
+
+    private static final String[] ALLOWED_FILES = {
+            "1234567890abcdefABCDEF-contacts-db.zip",
+            "a-contacts-db.zip",
+            "0-contacts-db.zip",
+            "A-contacts-db.zip",
+            "abcdefabcdefabcdefabcdef-contacts-db.zip"};
+
+    private ContentResolver mResolver;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mResolver = getContext().getContentResolver();
+    }
+
+    public void testOpenFileDescriptor_throwsErrorWithIllegalFileName() {
+        for (String fileName : NOT_ALLOWED_FILES) {
+            Uri uri = Uri.parse(URI_PREFIX + fileName);
+            assertOpenFileDescriptorThrowsError(uri);
+        }
+    }
+
+    public void testOpenFileDescriptor_worksWithValidFileName() {
+        for (String fileName : ALLOWED_FILES) {
+            final Uri uri = Uri.parse(URI_PREFIX + fileName);
+            try {
+                mResolver.openFileDescriptor(uri, "r");
+            } catch (FileNotFoundException e) {
+
+            }
+        }
+    }
+
+    public void testQuery_throwsErrorWithIllegalFileName() {
+        for (String fileName : NOT_ALLOWED_FILES) {
+            final Uri uri = Uri.parse(URI_PREFIX + fileName);
+            assertQueryThrowsError(uri);
+        }
+    }
+
+    public void testQuery_worksWithValidFileName() {
+        for (String fileName : ALLOWED_FILES) {
+            final Uri uri = Uri.parse(URI_PREFIX + fileName);
+            mResolver.query(uri, null, null, null, null);
+        }
+    }
+
+    private void assertQueryThrowsError(Uri uri) {
+        try {
+            mResolver.query(uri, null, null, null, null);
+        } catch (IllegalArgumentException e) {
+            // pass
+            return;
+        }
+
+        fail("IllegalArgumentException expected but not thrown.");
+    }
+
+    private void assertOpenFileDescriptorThrowsError(Uri uri) {
+        try {
+            mResolver.openFileDescriptor(uri, "r");
+        } catch (IllegalArgumentException e) {
+            // pass
+            return;
+        } catch (FileNotFoundException e) {
+
+        }
+
+        fail("IllegalArgumentException expected but not thrown.");
+    }
+}