1 /* 2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @summary Verify no change in sources implies no change in binaries 27 * @bug 8054689 28 * @author Fredrik O 29 * @author sogoel (rewrite) 30 * @library /tools/lib 31 * @modules jdk.compiler/com.sun.tools.javac.api 32 * jdk.compiler/com.sun.tools.javac.main 33 * jdk.compiler/com.sun.tools.sjavac 34 * jdk.jdeps/com.sun.tools.javap 35 * @build Wrapper toolbox.ToolBox 36 * @run main Wrapper IncCompileNoChanges 37 */ 38 39 import java.util.*; 40 import java.nio.file.*; 41 42 public class IncCompileNoChanges extends SJavacTester { 43 public static void main(String... args) throws Exception { 44 IncCompileNoChanges nc = new IncCompileNoChanges(); 45 nc.test(); 46 } 47 48 // Remember the previous bin and headers state here. 49 Map<String,Long> previous_bin_state; 50 Map<String,Long> previous_headers_state; 51 52 void test() throws Exception { 53 Files.createDirectories(GENSRC); 54 Files.createDirectories(BIN); 55 Files.createDirectories(HEADERS); 56 57 initialCompile(); 58 incrementalCompileNoChanges(); 59 } 60 61 // Testing that no change in sources implies no change in binaries 62 void incrementalCompileNoChanges() throws Exception { 63 previous_bin_state = collectState(BIN); 64 previous_headers_state = collectState(HEADERS); 65 System.out.println("\nIn incrementalCompileNoChanges() "); 66 System.out.println("Testing that no change in sources implies no change in binaries"); 67 compile(GENSRC.toString(), 68 "-d", BIN.toString(), 69 "--state-dir=" + BIN, 70 "-h", HEADERS.toString(), 71 "-j", "1", 72 "--log=debug"); 73 Map<String,Long> new_bin_state = collectState(BIN); 74 verifyEqual(new_bin_state, previous_bin_state); 75 Map<String,Long> new_headers_state = collectState(HEADERS); 76 verifyEqual(previous_headers_state, new_headers_state); 77 } 78 }