test/langtools/tools/javac/recovery/AnnotationRecovery.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 8270139
 * @summary Verify error recovery w.r.t. annotations
 * @library /tools/lib
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.main
 *          jdk.jdeps/com.sun.tools.classfile
 * @build toolbox.ToolBox toolbox.JavacTask
 * @run main AnnotationRecovery
 */

import java.nio.file.Path;
import java.util.List;
import java.util.Objects;

import toolbox.JavacTask;
import toolbox.Task.Expect;
import toolbox.Task.OutputKind;
import toolbox.TestRunner;
import toolbox.ToolBox;

public class AnnotationRecovery extends TestRunner {

    ToolBox tb;

    public AnnotationRecovery() {
        super(System.err);
        tb = new ToolBox();
    }

    public static void main(String[] args) throws Exception {
        AnnotationRecovery t = new AnnotationRecovery();
        t.runTests();
    }

    @Test
    public void testRepeatableAnnotationMissingContainer() throws Exception {
        String code = """
                      import java.lang.annotation.Repeatable;

                      @Repeatable(TestContainer.class)
                      @interface Test { int value(); }
                      """;
        Path curPath = Path.of(".");
        List<String> actual = new JavacTask(tb)
                .options("-XDrawDiagnostics", "-XDdev")
                .sources(code)
                .outdir(curPath)
                .run(Expect.FAIL)
                .getOutputLines(OutputKind.DIRECT);

        List<String> expected = List.of(
                "Test.java:3:13: compiler.err.cant.resolve: kindname.class, TestContainer, , ",
                "1 error"
        );

        if (!Objects.equals(actual, expected)) {
            error("Expected: " + expected + ", but got: " + actual);
        }
    }

    @Test
    public void testRepeatableAnnotationWrongAttribute() throws Exception {
        String code = """
                      import java.lang.annotation.Repeatable;

                      @Repeatable(wrong=TestContainer.class)
                      @interface Test { int value(); }
                      @interface TestContainer { Test value(); }
                      """;
        Path curPath = Path.of(".");
        List<String> actual = new JavacTask(tb)
                .options("-XDrawDiagnostics", "-XDdev")
                .sources(code)
                .outdir(curPath)
                .run(Expect.FAIL)
                .getOutputLines(OutputKind.DIRECT);

        List<String> expected = List.of(
                "Test.java:3:13: compiler.err.cant.resolve.location.args: kindname.method, wrong, , , (compiler.misc.location: kindname.annotation, java.lang.annotation.Repeatable, null)",
                "Test.java:3:1: compiler.err.annotation.missing.default.value: java.lang.annotation.Repeatable, value",
                "2 errors"
        );

        if (!Objects.equals(actual, expected)) {
            error("Expected: " + expected + ", but got: " + actual);
        }
    }

}