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/*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
import org.testng.annotations.Test;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.util.zip.ZipInputStream;
import static org.testng.Assert.*;
/**
* @test
* @bug 8232879
* @summary Test OutputStream::write with Zip FS
* @modules jdk.zipfs
* @run testng/othervm CRCWriteTest
*/
public class CRCWriteTest {
// Jar File path used by the test
private final Path JAR_FILE = Path.of("CRCWrite.jar");
/**
* Validate that an OutputStream obtained for the Zip FileSystem
* can be used successfully with the OutputStream write methods
*/
@Test
public void zipFsOsDeflatedWriteTest() throws Exception {
Files.deleteIfExists(JAR_FILE);
String[] msg = {"Hello ", "Tennis Anyone", "!!!!"};
Entry e0 = Entry.of("Entry-0", ZipEntry.DEFLATED, String.join("",msg));
try (FileSystem zipfs = FileSystems.newFileSystem(JAR_FILE,
Map.of("create", "true"))) {
// Write to the Jar file using the various OutputStream write methods
try (OutputStream os = Files.newOutputStream(zipfs.getPath(e0.name))) {
for (byte b : msg[0].getBytes(StandardCharsets.UTF_8)) {
os.write(b);
}
os.write(msg[1].getBytes(StandardCharsets.UTF_8));
os.write(msg[2].getBytes(StandardCharsets.UTF_8), 0, msg[2].length());
}
}
verify(JAR_FILE, e0);
}
/**
* Represents an entry in a Zip file. An entry encapsulates a name, a
* compression method, and its contents/data.
*/
static class Entry {
private final String name;
private final int method;
private final byte[] bytes;
Entry(String name, int method, String contents) {
this.name = name;
this.method = method;
this.bytes = contents.getBytes(StandardCharsets.UTF_8);
}
static Entry of(String name, int method, String contents) {
return new Entry(name, method, contents);
}
/**
* Returns a new Entry with the same name and compression method as this
* Entry but with the given content.
*/
Entry content(String contents) {
return new Entry(name, method, contents);
}
}
/**
* Verify that the given path is a Zip file containing exactly the
* given entries.
*/
private static void verify(Path zipfile, Entry... entries) throws IOException {
// check entries with ZipFile API
try (ZipFile zf = new ZipFile(zipfile.toFile())) {
// check entry count
assertEquals(entries.length, zf.size());
// Check compression method and content of each entry
for (Entry e : entries) {
ZipEntry ze = zf.getEntry(e.name);
assertNotNull(ze);
assertEquals(e.method, ze.getMethod());
try (InputStream in = zf.getInputStream(ze)) {
byte[] bytes = in.readAllBytes();
assertTrue(Arrays.equals(bytes, e.bytes));
}
}
}
// Check entries using ZipInputStream
for (Entry e : entries) {
try (ZipInputStream zis =
new ZipInputStream(new FileInputStream(zipfile.toFile()))) {
ZipEntry ze;
while ((ze = zis.getNextEntry()) != null) {
assertEquals(e.method, ze.getMethod());
byte[] bytes = zis.readAllBytes();
assertTrue(Arrays.equals(bytes, e.bytes));
}
}
}
// Check entries with FileSystem API
try (FileSystem fs = FileSystems.newFileSystem(zipfile)) {
// check entry count
Path top = fs.getPath("/");
long count = Files.find(top, Integer.MAX_VALUE,
(path, attrs) -> attrs.isRegularFile()).count();
assertEquals(entries.length, count);
// check content of each entry
for (Entry e : entries) {
Path file = fs.getPath(e.name);
byte[] bytes = Files.readAllBytes(file);
assertTrue(Arrays.equals(bytes, e.bytes));
}
}
}
}
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