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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 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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 * questions.
 */
/**
 * @bug 8013497
 * @summary Tests for type annotation.
 * @author Charlie Wang
 */
import java.util.LinkedHashMap;
import java.util.Map;

public abstract class AnnotationTest {

    // combinations of annotations to test
    public final String[] annotationCombinations = new String[]{
        "",
        Helper.Declaration.ANNOTATION_TYPE_1 + " ",
        Helper.Declaration.ANNOTATION_TYPE_1 + " "
        + Helper.Declaration.ANNOTATION_TYPE_2 + " "
        + Helper.Declaration.ANNOTATION_TYPE_3 + " ",
        Helper.Declaration.ANNOTATION_TYPE_2 + " "
        + Helper.Declaration.ANNOTATION_TYPE_2 + " "
        + Helper.Declaration.ANNOTATION_TYPE_2 + " ",
        Helper.Declaration.ANNOTATION_TYPE_3 + " "
        + Helper.Declaration.ANNOTATION_TYPE_3 + " "
        + Helper.Declaration.ANNOTATION_TYPE_3 + " ",
        Helper.Declaration.ANNOTATION_TYPE_3 + " "};
    // unique index number for class names generated for test
    public static int clsIdx = 0;
    // a place to hold class name -- annotation correspondence
    public static Map<Object, String> testInput = new LinkedHashMap<>();

    public AnnotationTest() {
        clsIdx = 0;
        testInput.clear();
    }

    public void test() throws Exception {
        if (!checkResult()) {
            throw new RuntimeException("test fail.");
        } else {
            System.out.println("Pass.");
        }
    }

    public static synchronized String genBaseClass(String str) {
        Map<Helper.Declaration, Object> lhm = new LinkedHashMap<>();
        String testCode = "";
        lhm.put(Helper.Declaration.IMPORT, null);
        lhm.put(Helper.Declaration.CLASS, str);
        testCode += Helper.genDeclaration(lhm);
        lhm.clear();
        lhm.put(Helper.Declaration.ANNOTATION_TYPE_1, "");
        lhm.put(Helper.Declaration.ANNOTATION_TYPE_2, "");
        lhm.put(Helper.Declaration.ANNOTATION_TYPE_3, "");
        lhm.put(Helper.Declaration.CONTAINING_ANNOTATION_TYPE_1, "");
        lhm.put(Helper.Declaration.CONTAINING_ANNOTATION_TYPE_2, "");
        lhm.put(Helper.Declaration.CONTAINING_ANNOTATION_TYPE_3, "");
        testCode += Helper.genDeclaration(lhm);
        lhm.clear();
        return testCode;
    }
    
    protected Class loadClass(Object clsName) throws Exception {
        // Get Class object for the compiled class
        Class cls = null;
        if (clsName instanceof String) {
            cls = Helper.loadClass((String) clsName);
        } else {
            cls = (Class) clsName;
        }
        return cls;
    }

    protected void compileCode(Class<?> tcg) throws Exception {
        String testCode = GenTestCode(tcg);
        Helper.debugPrint(testCode);
        ClassLoader parentClassLoader = getClass().getClassLoader();
        // compile files into classes
        Helper.genClass(testCode, parentClassLoader, 
                TestCaseGenerator.testBaseClsName);
    }
    
    protected String GenTestCode(Class<?> tcg) {
        String testCode = "";
        for (Object tc : tcg.getEnumConstants()) {
            for (String anno : annotationCombinations) {
                testCode += ((TestCaseGenerator) tc).genTestCase(anno);
            }
        }
        return testCode;
    }

    protected abstract boolean checkResult() throws Exception;
}