package org.graalvm.compiler.core.test;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Comparator;
import org.graalvm.compiler.debug.DebugOptions;
import org.graalvm.compiler.debug.PathUtilities;
import org.graalvm.compiler.options.OptionKey;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.test.AddExports;
import org.junit.Assume;
import org.junit.Test;
@AddExports("jdk.internal.vm.compiler/org.graalvm.compiler.printer")
public class GraalDebugHandlersFactoryTest extends GraalCompilerTest {
@Test
public void createUniqueTest() throws Exception {
Field maxFileNameLengthField = PathUtilities.class.getDeclaredField("MAX_FILE_NAME_LENGTH");
try {
maxFileNameLengthField.setAccessible(true);
} catch (RuntimeException ex) {
Assume.assumeFalse("If InaccessibleObjectException is thrown, skip the test, we are on JDK9", ex.getClass().getSimpleName().equals("InaccessibleObjectException"));
}
int maxFileNameLength = maxFileNameLengthField.getInt(null);
Method createUniqueMethod = PathUtilities.class.getDeclaredMethod("createUnique", OptionValues.class, OptionKey.class, String.class, String.class, String.class, boolean.class);
createUniqueMethod.setAccessible(true);
Path tmpDir = Files.createTempDirectory(Paths.get("."), "createUniqueTest");
OptionValues options = new OptionValues(OptionValues.asMap(DebugOptions.DumpPath, tmpDir.toString()));
try {
for (boolean createDirectory : new boolean[]{true, false}) {
for (String ext : new String[]{"", ".bgv", ".graph-strings"}) {
for (int i = 0; i < maxFileNameLength + 5; i++) {
String id = new String(new char[i]).replace('\0', 'i');
String label = "";
createUniqueMethod.invoke(null, options, null, id, label, ext, createDirectory);
id = "";
label = new String(new char[i]).replace('\0', 'l');
createUniqueMethod.invoke(null, options, null, id, label, ext, createDirectory);
}
}
}
} finally {
deleteTree(tmpDir);
}
}
private static void deleteTree(Path root) throws IOException {
Files.walk(root).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete);
}
}