TestDeepFinishClassStack.java

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 * version 2 for more details (a copy is included in the LICENSE file that
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8156097
 * @summary Check that nested TypeEnter.MembersPhase invocations don't cause StackOverflowError
 * @library /tools/lib
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.main
 */
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

import toolbox.JavacTask;
import toolbox.ToolBox;

public class TestDeepFinishClassStack {
    public static void main(String... args) throws IOException {
        new TestDeepFinishClassStack().run();
    }

    int depth = 1000;

    void run() throws IOException {
        Path src = Paths.get("src");

        Files.createDirectories(src);

        ToolBox tb = new ToolBox();

        for (int i = 0; i < depth; i++) {
            tb.writeJavaFiles(src, "public class C" + i + " { public void test(C" + (i + 1) + " c) { } }");
        }

        tb.writeJavaFiles(src, "public class C" + depth + " { }");

        new JavacTask(tb).files(src.resolve("C0.java"))
                         .sourcepath(src)
                         .outdir(".")
                         .run()
                         .writeAll();
    }

}