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/*
* Copyright (c) 2016, 2017, 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 8159596
* @library /lib/testlibrary /test/lib
* @modules jdk.compiler
* jdk.jartool
* @build DryRunTest jdk.testlibrary.ProcessTools
* jdk.test.lib.compiler.CompilerUtils
* @run testng DryRunTest
* @summary Test java --dry-run
*/
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.spi.ToolProvider;
import jdk.test.lib.compiler.CompilerUtils;
import jdk.testlibrary.ProcessTools;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
@Test
public class DryRunTest {
private static final String TEST_SRC = System.getProperty("test.src");
private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
private static final Path MODS_DIR = Paths.get("mods");
private static final Path LIBS_DIR = Paths.get("libs");
// the module name of the test module
private static final String TEST_MODULE = "test";
private static final String M_MODULE = "m";
// the module main class
private static final String MAIN_CLASS = "jdk.test.Main";
private static final String MAIN_CLINIT_CLASS = "jdk.test.MainWithClinit";
@BeforeTest
public void compileTestModule() throws Exception {
// javac -d mods/$TESTMODULE src/$TESTMODULE/**
assertTrue(CompilerUtils.compile(SRC_DIR.resolve(M_MODULE),
MODS_DIR,
"--module-source-path", SRC_DIR.toString()));
assertTrue(CompilerUtils.compile(SRC_DIR.resolve(TEST_MODULE),
MODS_DIR,
"--module-source-path", SRC_DIR.toString()));
Files.createDirectories(LIBS_DIR);
// create JAR files with no module-info.class
assertTrue(jar(M_MODULE, "p/Lib.class") == 0);
assertTrue(jar(TEST_MODULE, "jdk/test/Main.class") == 0);
}
/**
* Execute "java" with the given arguments, returning the exit code.
*/
private int exec(String... args) throws Exception {
return ProcessTools.executeTestJava(args)
.outputTo(System.out)
.errorTo(System.out)
.getExitValue();
}
/**
* Launch module main
*/
public void testModule() throws Exception {
String dir = MODS_DIR.toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// no resolution failure
int exitValue = exec("--dry-run", "--module-path", dir, "-m", mid);
assertTrue(exitValue == 0);
}
/**
* Test dryrun that does not invoke <clinit> of the main class
*/
public void testMainClinit() throws Exception {
String dir = MODS_DIR.toString();
String mid = TEST_MODULE + "/" + MAIN_CLINIT_CLASS;
int exitValue = exec("--dry-run", "--module-path", dir, "-m", mid);
assertTrue(exitValue == 0);
// expect the test to fail if main class is initialized
exitValue = exec("--module-path", dir, "-m", mid);
assertTrue(exitValue != 0);
}
/**
* Test non-existence module in --add-modules
*/
public void testNonExistAddModules() throws Exception {
String dir = MODS_DIR.toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
int exitValue = exec("--dry-run", "--module-path", dir,
"--add-modules", "non.existence",
"-m", mid);
assertTrue(exitValue != 0);
}
/**
* Launch main class from class path
*/
public void testClassPath() throws Exception {
Path testJar = LIBS_DIR.resolve(TEST_MODULE + ".jar");
String libs = testJar.toString() + File.pathSeparator +
LIBS_DIR.resolve(M_MODULE + ".jar").toString();
// test pass with m.jar:test.jar
int exitValue = exec("-classpath", libs, MAIN_CLASS);
assertTrue(exitValue == 0);
// m.jar is not on classpath and fails with p.Lib not found
exitValue = exec("-classpath", testJar.toString(), MAIN_CLASS);
assertTrue(exitValue != 0);
// dry pass passes since main is not executed
exitValue = exec("--dry-run", "-classpath", testJar.toString(), MAIN_CLASS);
assertTrue(exitValue == 0);
}
/**
* Test automatic modules
*/
public void testAutomaticModule() throws Exception {
String libs = LIBS_DIR.resolve(M_MODULE + ".jar").toString() +
File.pathSeparator +
LIBS_DIR.resolve(TEST_MODULE + ".jar").toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// test main method with and without --add-modules mm
int exitValue = exec("--module-path", LIBS_DIR.toString(),
"-m", mid);
assertTrue(exitValue == 0);
}
/**
* module m not found
*/
public void testMissingModule() throws Exception {
String subdir = MODS_DIR.resolve(TEST_MODULE).toString();
String mid = TEST_MODULE + "/" + MAIN_CLASS;
// resolution failure
int exitValue = exec("--dry-run", "--module-path", subdir, "-m", mid);
assertTrue(exitValue != 0);
}
private static final ToolProvider JAR_TOOL = ToolProvider.findFirst("jar")
.orElseThrow(() ->
new RuntimeException("jar tool not found")
);
private static int jar(String name, String entries) throws IOException {
Path jar = LIBS_DIR.resolve(name + ".jar");
// jar --create ...
String classes = MODS_DIR.resolve(name).toString();
String[] args = {
"--create",
"--file=" + jar,
"-C", classes, entries
};
return JAR_TOOL.run(System.out, System.out, args);
}
}
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