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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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/*
* @ test
* @ summary Tests jdeps - m and - - module - path options on named modules and unnamed modules
* @ library . . / lib
* @ build CompilerUtils JdepsUtil
* @ modules jdk . jdeps / com . sun . tools . jdeps
* @ run testng ModuleTest
*/
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.*;
import java.util.stream.Collectors;
import com.sun.tools.jdeps.DepsAnalyzer;
import com.sun.tools.jdeps.Graph;
import org.testng.annotations.DataProvider;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import static org.testng.Assert .assertTrue;
public class ModuleTest {
private static final String TEST_SRC = System.getProperty("test.src" );
private static final String TEST_CLASSES = System.getProperty("test.classes" );
private static final Path SRC_DIR = Paths.get(TEST_SRC, "src" );
private static final Path MODS_DIR = Paths.get("mods" );
private static final Path UNNAMED_DIR = Paths.get("unnamed" );
// the names of the modules in this test
private static final String UNSUPPORTED = "unsupported" ;
private static String[] modules = new String[] {"mI" , "mII" , "mIII" , "mIV" , UNSUPPORTED};
/**
* Compiles all modules used by the test
*/
@BeforeTest
public void compileAll() throws Exception {
CompilerUtils.cleanDir(MODS_DIR);
CompilerUtils.cleanDir(UNNAMED_DIR);
assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, UNSUPPORTED,
"--add-exports" , "java.base/jdk.internal.perf=" + UNSUPPORTED));
// m4 is not referenced
Arrays.asList("mI" , "mII" , "mIII" , "mIV" )
.forEach(mn -> assertTrue(CompilerUtils.compileModule(SRC_DIR, MODS_DIR, mn)));
assertTrue(CompilerUtils.compile(SRC_DIR.resolve("mIII" ), UNNAMED_DIR, "-p" , MODS_DIR.toString()));
Files.delete (UNNAMED_DIR.resolve("module-info.class" ));
}
@DataProvider(name = "modules" )
public Object[][] expected() {
return new Object[][]{
{ "mIII" , new ModuleMetaData("mIII" ).requiresTransitive("java.sql" )
.requiresTransitive("mII" )
.requires("java.logging" )
.requiresTransitive("mI" )
.reference("p3" , "java.lang" , "java.base" )
.reference("p3" , "java.sql" , "java.sql" )
.reference("p3" , "java.util.logging" , "java.logging" )
.reference("p3" , "p1" , "mI" )
.reference("p3" , "p2" , "mII" )
.qualified("p3" , "p2.internal" , "mII" )
},
{ "mII" , new ModuleMetaData("mII" ).requiresTransitive("mI" )
.reference("p2" , "java.lang" , "java.base" )
.reference("p2" , "p1" , "mI" )
.reference("p2.internal" , "java.lang" , "java.base" )
.reference("p2.internal" , "java.io" , "java.base" )
},
{ "mI" , new ModuleMetaData("mI" ).requires("unsupported" )
.reference("p1" , "java.lang" , "java.base" )
.reference("p1.internal" , "java.lang" , "java.base" )
.reference("p1.internal" , "p1" , "mI" )
.reference("p1.internal" , "q" , "unsupported" )
},
{ "unsupported" , new ModuleMetaData("unsupported" )
.reference("q" , "java.lang" , "java.base" )
.jdkInternal("q" , "jdk.internal.perf" , "java.base" )
},
};
}
@Test(dataProvider = "modules" )
public void modularTest(String name, ModuleMetaData data) throws IOException {
// jdeps --module-path mods -m <name>
runTest(data, MODS_DIR.toString(), Set.of(name));
// jdeps --module-path libs/mI.jar:.... -m <name>
String mp = Arrays.stream(modules)
.filter(mn -> !mn.equals(name))
.map(mn -> MODS_DIR.resolve(mn).toString())
.collect(Collectors.joining(File.pathSeparator));
runTest(data, mp, Collections.emptySet(), MODS_DIR.resolve(name));
}
@DataProvider(name = "unnamed" )
public Object[][] unnamed() {
return new Object[][]{
{ "unnamed" , new ModuleMetaData("unnamed" , false )
.depends("java.sql" )
.depends("java.logging" )
.depends("mI" )
.depends("mII" )
.reference("p3" , "java.lang" , "java.base" )
.reference("p3" , "java.sql" , "java.sql" )
.reference("p3" , "java.util.logging" , "java.logging" )
.reference("p3" , "p1" , "mI" )
.reference("p3" , "p2" , "mII" )
.internal("p3" , "p2.internal" , "mII" )
},
};
}
@Test(dataProvider = "unnamed" )
public void unnamedTest(String name, ModuleMetaData data) throws IOException {
runTest(data, MODS_DIR.toString(), Set.of("mI" , "mII" ), UNNAMED_DIR);
}
private void runTest(ModuleMetaData data, String modulepath,
Set<String> roots, Path... paths)
throws IOException
{
// jdeps --module-path <modulepath> -m root paths
String cmd = String.format("jdeps --module-path %s --add-modules %s %s%n" ,
MODS_DIR, roots.stream().collect(Collectors.joining("," )), paths);
try (JdepsUtil.Command jdeps = JdepsUtil.newCommand(cmd)) {
jdeps.appModulePath(modulepath)
.addmods(roots);
Arrays.stream(paths).forEach(jdeps::addRoot);
// run the analyzer
DepsAnalyzer analyzer = jdeps.getDepsAnalyzer();
assertTrue(analyzer.run());
// analyze result
Graph<DepsAnalyzer.Node> g1 = analyzer.moduleGraph();
g1.nodes().stream()
.filter(u -> u.name.equals(data.moduleName))
.forEach(u -> data.checkRequires(u.name, g1.adjacentNodes(u)));
Graph<DepsAnalyzer.Node> g2 = analyzer.dependenceGraph();
g2.nodes().stream()
.filter(u -> u.name.equals(data.moduleName))
.forEach(u -> data.checkDependences(u.name, g2.adjacentNodes(u)));
jdeps.dumpOutput(System.err);
}
}
}
Messung V0.5 in Prozent C=95 H=79 G=87
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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