am f27297d2: Merge "Add BinaryDictReader."

* commit 'f27297d2ece8a247a8b9e18d4e65dc0d0ba68b77':
  Add BinaryDictReader.

1 files changed, 138 insertions, 0 deletions

diff --git a/tests/src/com/android/inputmethod/latin/makedict/BinaryDictReaderTests.java b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictReaderTests.java
new file mode 100644
index 000000000..5f6950a4e
--- /dev/null
+++ b/tests/src/com/android/inputmethod/latin/makedict/BinaryDictReaderTests.java
@@ -0,0 +1,138 @@
+/*
+ * 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 com.android.inputmethod.latin.makedict;
+
+import com.android.inputmethod.latin.makedict.BinaryDictInputOutput.FusionDictionaryBufferInterface;
+import com.android.inputmethod.latin.makedict.BinaryDictReader.FusionDictionaryBufferFactory;
+import com.android.inputmethod.latin.makedict.BinaryDictReader.FusionDictionaryBufferFromByteArrayFactory;
+import com.android.inputmethod.latin.makedict.BinaryDictReader.FusionDictionaryBufferFromByteBufferFactory;
+
+import android.test.AndroidTestCase;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * Unit tests for BinaryDictReader
+ */
+public class BinaryDictReaderTests extends AndroidTestCase {
+    private static final String TAG = BinaryDictReaderTests.class.getSimpleName();
+
+    private final byte[] data = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
+
+    // Utilities for testing
+    public void writeDataToFile(final File file) {
+        FileOutputStream outStream = null;
+        try {
+            outStream = new FileOutputStream(file);
+            outStream.write(data);
+        } catch (IOException e) {
+            fail ("Can't write data to the test file");
+        } finally {
+            if (outStream != null) {
+                try {
+                    outStream.close();
+                } catch (IOException e) {
+                    Log.e(TAG, "Failed to close the output stream", e);
+                }
+            }
+        }
+    }
+
+    @SuppressWarnings("null")
+    public void runTestOpenBuffer(final String testName,
+            final FusionDictionaryBufferFactory factory) {
+        File testFile = null;
+        try {
+            testFile = File.createTempFile(testName, ".tmp", getContext().getCacheDir());
+        } catch (IOException e) {
+            Log.e(TAG, "IOException while the creating temporary file", e);
+        }
+
+        assertNotNull(testFile);
+        final BinaryDictReader reader = new BinaryDictReader(testFile);
+        try {
+            reader.openBuffer(factory);
+        } catch (Exception e) {
+            Log.e(TAG, "Failed to open the buffer", e);
+        }
+
+        writeDataToFile(testFile);
+
+        try {
+            reader.openBuffer(factory);
+        } catch (Exception e) {
+            Log.e(TAG, "Raised the exception while opening buffer", e);
+        }
+
+        assertEquals(testFile.length(), reader.getBuffer().capacity());
+    }
+
+    public void testOpenBufferWithByteBuffer() {
+        runTestOpenBuffer("testOpenBufferWithByteBuffer",
+                new FusionDictionaryBufferFromByteBufferFactory());
+    }
+
+    public void testOpenBufferWithByteArray() {
+        runTestOpenBuffer("testOpenBufferWithByteArray",
+                new FusionDictionaryBufferFromByteArrayFactory());
+    }
+
+    @SuppressWarnings("null")
+    public void runTestGetBuffer(final String testName,
+            final FusionDictionaryBufferFactory factory) {
+        File testFile = null;
+        try {
+            testFile = File.createTempFile(testName, ".tmp", getContext().getCacheDir());
+        } catch (IOException e) {
+            Log.e(TAG, "IOException while the creating temporary file", e);
+        }
+
+        final BinaryDictReader reader = new BinaryDictReader(testFile);
+
+        // the default return value of getBuffer() must be null.
+        assertNull("the default return value of getBuffer() is not null", reader.getBuffer());
+
+        writeDataToFile(testFile);
+        assertTrue(testFile.exists());
+        Log.d(TAG, "file length = " + testFile.length());
+
+        FusionDictionaryBufferInterface buffer = null;
+        try {
+            buffer = reader.openAndGetBuffer(factory);
+        } catch (IOException e) {
+            Log.e(TAG, "Failed to open and get the buffer", e);
+        }
+        assertNotNull("the buffer must not be null", buffer);
+
+        for (int i = 0; i < data.length; ++i) {
+            assertEquals(data[i], buffer.readUnsignedByte());
+        }
+    }
+
+    public void testGetBufferWithByteBuffer() {
+        runTestGetBuffer("testGetBufferWithByteBuffer",
+                new FusionDictionaryBufferFromByteBufferFactory());
+    }
+
+    public void testGetBufferWithByteArray() {
+        runTestGetBuffer("testGetBufferWithByteArray",
+                new FusionDictionaryBufferFromByteArrayFactory());
+    }
+}