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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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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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package org.graalvm.compiler.hotspot.test;

import static org.graalvm.compiler.debug.DebugOptions.Dump;
import static org.graalvm.compiler.debug.DebugOptions.MethodFilter;
import static org.graalvm.compiler.debug.DebugOptions.PrintGraph;
import static org.graalvm.compiler.test.SubprocessUtil.getVMCommandLine;
import static org.graalvm.compiler.test.SubprocessUtil.withoutDebuggerArguments;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.util.List;

import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.debug.DebugOptions.PrintGraphTarget;
import org.graalvm.compiler.test.SubprocessUtil;
import org.graalvm.compiler.test.SubprocessUtil.Subprocess;
import org.junit.Assert;
import org.junit.Test;

Tests reading options from a file specified by the graal.options.file.
/** * Tests reading options from a file specified by the {@code graal.options.file}. */
public class OptionsInFileTest extends GraalCompilerTest { @Test public void test() throws IOException, InterruptedException { String methodFilterValue = "a very unlikely method name"; String debugFilterValue = "a very unlikely debug scope"; File optionsFile = File.createTempFile("options", ".properties").getAbsoluteFile(); try { Assert.assertFalse(methodFilterValue.equals(MethodFilter.getDefaultValue())); Assert.assertFalse(debugFilterValue.equals(Dump.getDefaultValue())); Assert.assertEquals(PrintGraphTarget.File, PrintGraph.getDefaultValue()); try (PrintStream out = new PrintStream(new FileOutputStream(optionsFile))) { out.println(MethodFilter.getName() + "=" + methodFilterValue); out.println(Dump.getName() + "=" + debugFilterValue); out.println(PrintGraph.getName() + " = Network"); } List<String> vmArgs = withoutDebuggerArguments(getVMCommandLine()); vmArgs.removeIf(a -> a.startsWith("-Dgraal.")); vmArgs.add("-Dgraal.options.file=" + optionsFile); vmArgs.add("-XX:+JVMCIPrintProperties"); Subprocess proc = SubprocessUtil.java(vmArgs); String[] expected = { "graal.MethodFilter := \"a very unlikely method name\"", "graal.Dump := \"a very unlikely debug scope\"", "graal.PrintGraph := Network"}; for (String line : proc.output) { for (int i = 0; i < expected.length; i++) { if (expected[i] != null && line.contains(expected[i])) { expected[i] = null; } } } for (int i = 0; i < expected.length; i++) { if (expected[i] != null) { Assert.fail(String.format("Did not find '%s' in output of command:%n%s", expected[i], proc)); } } } finally { optionsFile.delete(); } } }