/* * Copyright (c) 2011, 2015, 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. */ /* * @test * @bug 6836682 7025988 * @summary JavacFileManager handling of zip64 archives (Scenario A and B) * @modules jdk.compiler * jdk.jartool/sun.tools.jar * @compile -XDignore.symbol.file T6836682.java Utils.java * @run main T6836682 */ /* * This test consists of two scenarios: * * Scenario A: create a jar with entries exceeding 64K, and see if the javac * can handle this large jar on the classpath. Generally this test completes * within a minute * * Scenario B: create a jar with a large enough file exceeding 4GB, and * similarly test javac. This test is known to be slow and problematic on * certain operating systems, thus this test can be selected by passing a * property through jtreg as follows: * -javaoptions=-DT6836682.testScenarioB=true. * Note this test will only run iff all the disk requirements are met at runtime. */ import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.nio.file.Files; import java.nio.file.Path; import java.util.zip.CRC32; import java.util.zip.ZipEntry; import java.util.zip.ZipOutputStream; public class T6836682 { private static final long GIGA = 1024 * 1024 * 1024; private static final int BUFFER_LEN = Short.MAX_VALUE * 2; static long getCount(long minlength) { return (minlength / BUFFER_LEN) + 1; } static long computeCRC(long minlength) { CRC32 crc = new CRC32(); byte[] buffer = new byte[BUFFER_LEN]; long count = getCount(minlength); for (long i = 0; i < count; i++) { crc.update(buffer); } return crc.getValue(); } static long computeCRC(File inFile) throws IOException { byte[] buffer = new byte[8192]; CRC32 crc = new CRC32(); FileInputStream fis = null; BufferedInputStream bis = null; try { fis = new FileInputStream(inFile); bis = new BufferedInputStream(fis); int n = bis.read(buffer); while (n > 0) { crc.update(buffer, 0, n); n = bis.read(buffer); } } finally { Utils.close(bis); Utils.close(fis); } return crc.getValue(); } static void createLargeFile(OutputStream os, long minlength) throws IOException { byte[] buffer = new byte[BUFFER_LEN]; long count = getCount(minlength); for (long i = 0; i < count; i++) { os.write(buffer); } os.flush(); } static void createJarWithLargeFile(File jarFile, File javaFile, long minlength) throws IOException { Utils.createClassFile(javaFile, null, true); File classFile = new File(Utils.getClassFileName(javaFile)); ZipOutputStream zos = null; BufferedOutputStream bos = null; FileInputStream fis = null; try { zos = new ZipOutputStream(new FileOutputStream(jarFile)); zos.setLevel(ZipOutputStream.STORED); zos.setMethod(0); bos = new BufferedOutputStream(zos); ZipEntry ze = new ZipEntry("large.data"); ze.setCompressedSize(getCount(minlength) * BUFFER_LEN); ze.setSize(getCount(minlength) * BUFFER_LEN); ze.setCrc(computeCRC(minlength)); ze.setMethod(ZipEntry.STORED); zos.putNextEntry(ze); createLargeFile(bos, minlength); ze = new ZipEntry(classFile.getName()); ze.setCompressedSize(classFile.length()); ze.setSize(classFile.length()); ze.setCrc(computeCRC(classFile)); ze.setMethod(ZipEntry.STORED); zos.putNextEntry(ze); fis = new FileInputStream(classFile); Utils.copyStream(fis, bos); bos.flush(); zos.closeEntry(); } finally { Utils.close(bos); Utils.close(zos); Utils.close(fis); } // deleted to prevent accidental linkage new File(Utils.getClassFileName(javaFile)).delete(); } static void createLargeJar(File jarFile, File javaFile) throws IOException { File classFile = new File(Utils.getClassFileName(javaFile)); Utils.createClassFile(javaFile, null, true); ZipOutputStream zos = null; FileInputStream fis = null; final int MAX = Short.MAX_VALUE * 2 + 10; ZipEntry ze = null; try { zos = new ZipOutputStream(new FileOutputStream(jarFile)); zos.setLevel(ZipOutputStream.STORED); zos.setMethod(ZipOutputStream.STORED); for (int i = 0; i < MAX ; i++) { ze = new ZipEntry("X" + i + ".txt"); ze.setSize(0); ze.setCompressedSize(0); ze.setCrc(0); zos.putNextEntry(ze); } // add a class file ze = new ZipEntry(classFile.getName()); ze.setCompressedSize(classFile.length()); ze.setSize(classFile.length()); ze.setCrc(computeCRC(classFile)); zos.putNextEntry(ze); fis = new FileInputStream(classFile); Utils.copyStream(fis, zos); } finally { Utils.close(zos); Utils.close(fis); // deleted to prevent accidental linkage new File(Utils.getClassFileName(javaFile)).delete(); } } // a jar with entries exceeding 64k + a class file for the existential test public static void testScenarioA(String... args) throws IOException { File largeJar = new File("large.jar"); File javaFile = new File("Foo.java"); createLargeJar(largeJar, javaFile); File testFile = new File("Bar.java"); try { Utils.createJavaFile(testFile, javaFile); if (!Utils.compile("-doe", "-verbose", "-cp", largeJar.getAbsolutePath(), testFile.getAbsolutePath())) { throw new IOException("test failed"); } } finally { Utils.deleteFile(largeJar); } } // a jar with an enormous file + a class file for the existential test public static void testScenarioB(String... args) throws IOException { final File largeJar = new File("huge.jar"); final File javaFile = new File("Foo.java"); final Path path = largeJar.getAbsoluteFile().getParentFile().toPath(); final long available = Files.getFileStore(path).getUsableSpace(); final long MAX_VALUE = 0xFFFF_FFFFL; final long absolute = MAX_VALUE + 1L; final long required = (long)(absolute * 1.1); // pad for sundries System.out.println("\tavailable: " + available / GIGA + " GB"); System.out.println("\trequired: " + required / GIGA + " GB"); if (available > required) { createJarWithLargeFile(largeJar, javaFile, absolute); File testFile = new File("Bar.java"); Utils.createJavaFile(testFile, javaFile); try { if (!Utils.compile("-doe", "-verbose", "-cp", largeJar.getAbsolutePath(), testFile.getAbsolutePath())) { throw new IOException("test failed"); } } finally { Utils.deleteFile(largeJar); } } else { System.out.println("Warning: testScenarioB passes vacuously," + " requirements exceeds available space"); } } public static void main(String... args) throws IOException { testScenarioA(); System.out.println("testScenarioA: PASS"); if (Boolean.getBoolean("T6836682.testScenarioB")) { testScenarioB(); System.out.println("testScenarioB: PASS"); } else { System.out.println("Warning: testScenarioB, large file test skipped"); } } }