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 * @build Wrapper toolbox.ToolBox 35 * @run main Wrapper IncCompileNoChanges 36 */ 37 38 import java.util.*; 39 import java.nio.file.*; 40 41 public class IncCompileNoChanges extends SJavacTester { 42 public static void main(String... args) throws Exception { 43 IncCompileNoChanges nc = new IncCompileNoChanges(); 44 nc.test(); 45 } 46 47 // Remember the previous bin and headers state here. 48 Map<String,Long> previous_bin_state; 49 Map<String,Long> previous_headers_state; 50 51 void test() throws Exception { 52 Files.createDirectories(GENSRC); 53 Files.createDirectories(BIN); 54 Files.createDirectories(HEADERS); 55 56 initialCompile(); 57 incrementalCompileNoChanges(); 58 } 59 60 // Testing that no change in sources implies no change in binaries 61 void incrementalCompileNoChanges() throws Exception { 62 previous_bin_state = collectState(BIN); 63 previous_headers_state = collectState(HEADERS); 64 System.out.println("\nIn incrementalCompileNoChanges() "); 65 System.out.println("Testing that no change in sources implies no change in binaries"); 66 compile(GENSRC.toString(), 67 "-d", BIN.toString(), 68 "--state-dir=" + BIN, 69 "-h", HEADERS.toString(), 70 "-j", "1", 71 "--log=debug"); 72 Map<String,Long> new_bin_state = collectState(BIN); 73 verifyEqual(new_bin_state, previous_bin_state); 74 Map<String,Long> new_headers_state = collectState(HEADERS); 75 verifyEqual(previous_headers_state, new_headers_state); 76 } 77 }