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Diffstat (limited to 'tests/CoreTests/android/core/GZIPStreamTest.java')
-rw-r--r-- | tests/CoreTests/android/core/GZIPStreamTest.java | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/tests/CoreTests/android/core/GZIPStreamTest.java b/tests/CoreTests/android/core/GZIPStreamTest.java deleted file mode 100644 index dd56fb7..0000000 --- a/tests/CoreTests/android/core/GZIPStreamTest.java +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright (C) 2008 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.core; - -import junit.framework.TestCase; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.util.zip.GZIPInputStream; -import java.util.zip.GZIPOutputStream; -import android.test.suitebuilder.annotation.MediumTest; - -/** - * Deflates and inflates some test data with GZipStreams - */ -public class GZIPStreamTest extends TestCase { - - @MediumTest - public void testGZIPStream() throws Exception { - ByteArrayOutputStream bytesOut = new ByteArrayOutputStream(); - createGZIP(bytesOut); - - byte[] zipData; - zipData = bytesOut.toByteArray(); - - /* - FileOutputStream outFile = new FileOutputStream("/tmp/foo.gz"); - outFile.write(zipData, 0, zipData.length); - outFile.close(); - */ - - /* - FileInputStream inFile = new FileInputStream("/tmp/foo.gz"); - int inputLength = inFile.available(); - zipData = new byte[inputLength]; - if (inFile.read(zipData) != inputLength) - throw new RuntimeException(); - inFile.close(); - */ - - ByteArrayInputStream bytesIn = new ByteArrayInputStream(zipData); - scanGZIP(bytesIn); - } - - /* - * stepStep == 0 --> >99% compression - * stepStep == 1 --> ~30% compression - * stepStep == 2 --> no compression - */ - static byte[] makeSampleFile(int stepStep) throws IOException { - byte[] sample = new byte[128 * 1024]; - byte val, step; - int i, j, offset; - - val = 0; - step = 1; - offset = 0; - for (i = 0; i < (128 * 1024) / 256; i++) { - for (j = 0; j < 256; j++) { - sample[offset++] = val; - val += step; - } - - step += stepStep; - } - - return sample; - } - - static void createGZIP(ByteArrayOutputStream bytesOut) throws IOException { - GZIPOutputStream out = new GZIPOutputStream(bytesOut); - try { - byte[] input = makeSampleFile(1); - out.write(input, 0, input.length); - //out.finish(); - } finally { - out.close(); - } - } - - static void scanGZIP(ByteArrayInputStream bytesIn) throws IOException { - GZIPInputStream in = new GZIPInputStream(bytesIn); - try { - ByteArrayOutputStream contents = new ByteArrayOutputStream(); - byte[] buf = new byte[4096]; - int len, totalLen = 0; - - while ((len = in.read(buf)) > 0) { - contents.write(buf, 0, len); - totalLen += len; - } - - assertEquals(totalLen, 128 * 1024); - } finally { - in.close(); - } - } -} - |