/* * Copyright (c) 2018, Google Inc. 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 8179373 * @summary javac -verbose logs the class path multiple times * @modules jdk.compiler * @run main VerboseClassPathTest */ import java.io.BufferedReader; import java.io.PrintWriter; import java.io.StringReader; import java.io.StringWriter; import java.nio.file.Path; import java.nio.file.Paths; import java.util.spi.ToolProvider; public class VerboseClassPathTest { public static void main(String... args) throws Exception { new VerboseClassPathTest().run(); } void run() throws Exception { String className = getClass().getName(); Path testSrc = Paths.get(System.getProperty("test.src")); Path file = testSrc.resolve(className + ".java"); ToolProvider javac = ToolProvider.findFirst("javac").orElseThrow(); StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw, true); int rc = javac.run( pw, pw, "-d", ",", "-source", "8", "-target", "8", "-verbose", file.toString()); String log = sw.toString(); System.out.println(log); if (rc != 0) { throw new Exception("compilation failed: rc=" + rc); } String expect = "[search path for class files:"; long count = new BufferedReader(new StringReader(log)) .lines() .filter(line -> line.startsWith(expect)) .count(); if (count != 1) { throw new Exception("expected '" + expect + "' to appear once, actual: " + count); } } }