langtools/test/tools/javac/api/T6395981.java

/*
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/*
 * @test
 * @bug     6395981 6458819 7025784
 * @summary JavaCompilerTool and Tool must specify version of JLS and JVMS
 * @author  Peter von der Ah\u00e9
 * @run main/fail T6395981
 * @run main/fail T6395981 RELEASE_3 RELEASE_5 RELEASE_6
 * @run main/fail T6395981 RELEASE_0 RELEASE_1 RELEASE_2 RELEASE_3 RELEASE_4 RELEASE_5 RELEASE_6
 * @run main T6395981 RELEASE_3 RELEASE_4 RELEASE_5 RELEASE_6 RELEASE_7 RELEASE_8
 */

import java.util.EnumSet;
import java.util.Set;
import javax.lang.model.SourceVersion;
import javax.tools.Tool;
import javax.tools.ToolProvider;
import static javax.lang.model.SourceVersion.*;

public class T6395981 {
    public static void main(String... args) {
        Tool compiler = ToolProvider.getSystemJavaCompiler();
        Set<SourceVersion> expected = EnumSet.noneOf(SourceVersion.class);
        for (String arg : args)
            expected.add(SourceVersion.valueOf(arg));
        Set<SourceVersion> found = compiler.getSourceVersions();
        Set<SourceVersion> notExpected = EnumSet.copyOf(found);
        for (SourceVersion version : expected) {
            if (!found.contains(version))
                throw new AssertionError("Expected source version not found: " + version);
            else
                notExpected.remove(version);
        }
        if (!notExpected.isEmpty())
            throw new AssertionError("Unexpected source versions: " + notExpected);
    }
}