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import org.testng.annotations.Test;

import java.nio.file.Path;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertTrue;

/*
 * @test
 * @bug 8210911
 * @summary jextract does not handle redundant forward, backward declarations of struct, union, enum properly
 * @modules jdk.jextract
 * @build JextractToolRunner
 * @run testng RedundantDeclsTest
 */
public class RedundantDeclsTest extends JextractToolRunner {
    @Test
    public void redundantDecls() {
        Path clzPath = getOutputFilePath("RedundentDecls.jar");
        checkSuccess(null,"-o", clzPath.toString(),
                getInputFilePath("redundantDecls.h").toString());
        Class<?> headerCls = loadClass("redundantDecls", clzPath);
        Class<?>[] inners = headerCls.getDeclaredClasses();
        assertEquals(inners.length, 4);

        Class<?> pointStruct = findClass(inners, "Point");
        assertNotNull(findStructFieldGet(pointStruct, "i"));
        assertNotNull(findStructFieldGet(pointStruct, "j"));

        Class<?> point3DStruct = findClass(inners, "Point3D");
        assertNotNull(findStructFieldGet(point3DStruct, "i"));
        assertNotNull(findStructFieldGet(point3DStruct, "j"));
        assertNotNull(findStructFieldGet(point3DStruct, "k"));

        checkIntField(headerCls, "R", 0);
        checkIntField(headerCls, "G", 1);
        checkIntField(headerCls, "B", 2);

        checkIntField(headerCls, "C", 0);
        checkIntField(headerCls, "M", 1);
        checkIntField(headerCls, "Y", 2);

        Class<?> rgbColor = findClass(inners, "RGBColor");
        assertNotNull(rgbColor);
        assertTrue(rgbColor.isAnnotation());

        Class<?> cmyColor = findClass(inners, "CMYColor");
        assertNotNull(cmyColor);
        assertTrue(cmyColor.isAnnotation());

        deleteFile(clzPath);
    }
}