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/*
* @ test
* @ bug 8240903
* @ summary Test consistency of moduleHashes attribute between builds
* @ library / test / lib
* @ run testng HashesOrderTest
*/
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.spi.ToolProvider;
import java.util.stream.Collectors;
import jdk.test.lib.compiler.ModuleInfoMaker;
import org.testng.annotations.Test;
import static org.testng.Assert .assertEquals;
public class HashesOrderTest {
private ToolProvider JMOD_TOOL = ToolProvider.findFirst("jmod" )
.orElseThrow(() ->
new RuntimeException("jmod tool not found" )
);
private String DATE = "2021-01-06T14:36:00+02:00" ;
private int NUM_MODULES = 64 ;
private Path mods;
private Path lib1;
private Path lib2;
private ModuleInfoMaker builder;
@Test
public void test() throws Exception {
mods = Path.of("mods" );
lib1 = Path.of("lib1" );
lib2 = Path.of("lib2" );
builder = new ModuleInfoMaker(Path.of("src" ));
Files.createDirectories(mods);
Files.createDirectories(lib1);
Files.createDirectories(lib2);
makeModule("ma" );
String moduleName;
for (int i = 0 ; i < NUM_MODULES; i++) {
moduleName = "m" + i + "b" ;
makeModule(moduleName, "ma" );
makeJmod(moduleName, lib1);
makeJmod(moduleName, lib2);
}
makeJmod("ma" , lib1, "--module-path" , lib1.toString(),
"--hash-modules" , ".*" );
Path jmod1 = lib1.resolve("ma.jmod" );
makeJmod("ma" , lib2, "--module-path" , lib2.toString(),
"--hash-modules" , ".*" );
Path jmod2 = lib2.resolve("ma.jmod" );
assertEquals(Files.mismatch(jmod1, jmod2), -1 );
}
private void makeModule(String mn, String... deps)
throws IOException
{
StringBuilder sb = new StringBuilder();
sb.append("module " )
.append(mn)
.append(" {" )
.append("\n" );
Arrays.stream(deps)
.forEach(req -> {
sb.append(" requires " );
sb.append(req)
.append(";\n" );
});
sb.append("}\n" );
builder.writeJavaFiles(mn, sb.toString());
builder.compile(mn, mods);
}
private void makeJmod(String moduleName, Path libName, String... options) {
Path mclasses = mods.resolve(moduleName);
Path outfile = libName.resolve(moduleName + ".jmod" );
List<String> args = new ArrayList<>();
args.add("create" );
Collections.addAll(args, options);
Collections.addAll(args, "--date" , DATE);
Collections.addAll(args, "--class-path" , mclasses.toString(),
outfile.toString());
runJmod(args);
}
private void runJmod(List<String> args) {
runJmod(args.toArray(new String[args.size()]));
}
private void runJmod(String... args) {
int rc = JMOD_TOOL.run(System.out, System.out, args);
System.out.println("jmod " + Arrays.stream(args).collect(Collectors.joining(" " )));
if (rc != 0 ) {
throw new AssertionError("jmod failed: rc = " + rc);
}
}
}
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