/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

/*

 * @test InlineMatcherTest

 * @bug 8074095

 * @library /testlibrary /../../test/lib

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI InlineMatcherTest

 * @summary Testing of compiler/InlineMatcher

 */

import java.lang.reflect.Method;

import java.util.ArrayList;

import sun.hotspot.WhiteBox;

public class InlineMatcherTest {

    /** Instance of WhiteBox */

    protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();

    Method helper;

    Method getDate;

    Method inner;

    Method toString;

    final public static int FORCE_INLINE = 2;

    final public static int DONT_INLINE = 1;

    final public static int NO_MATCH = 0;

    final public static int PARSING_FAILURE = -1;

    public InlineMatcherTest() {

    }

    public void test() throws Exception {

        // instantiate before calling getMethod on innerHelper

        TestCases testCases = new TestCases();

        helper = getMethod(InlineMatcherTest.class, "helper");

        testCases.add(helper, "*.*", PARSING_FAILURE);

        testCases.add(helper, "+*.*", FORCE_INLINE);

        testCases.add(helper, "++*.*", NO_MATCH); // + is a valid part of the

                                                  // class name

        testCases.add(helper, "-*.*", DONT_INLINE);

        testCases.add(helper, "--*.*", NO_MATCH); // - is a valid part of the

                                                  // class name

        testCases.add(helper, "+InlineMatcherTest.*", FORCE_INLINE);

        testCases.add(helper, "+InlineMatcherTest.helper", FORCE_INLINE);

        testCases.add(helper, "+InlineMatcherTest.helper()", FORCE_INLINE);

        testCases.add(helper, "+InlineMatcherTest.helper()V", FORCE_INLINE);

        testCases.add(helper, "+InlineMatcherTest.helper(", FORCE_INLINE);

        testCases.add(helper, "-InlineMatcherTest.*", DONT_INLINE);

        testCases.add(helper, "-InlineMatcherTest.helper", DONT_INLINE);

        testCases.add(helper, "-InlineMatcherTest.helper()", DONT_INLINE);

        testCases.add(helper, "-InlineMatcherTest.helper()V", DONT_INLINE);

        testCases.add(helper, "-InlineMatcherTest.helper(", DONT_INLINE);

        testCases.add(helper, "+abc.*", NO_MATCH);

        testCases.add(helper, "+*.abc", NO_MATCH);

        testCases.add(helper, "-abc.*", NO_MATCH);

        testCases.add(helper, "-*.abcls ", NO_MATCH);

        int failures = 0;

        for (TestCase t : testCases) {

            System.out.println("Test case: " + t.pattern);

            if (!t.test()) {

                failures++;

                System.out.println(" * FAILED");

            }

        }

        if (failures != 0) {

            throw new Exception("There where " + failures + " failures in this test");

        }

    }

    public static void main(String... args) throws Exception {

        InlineMatcherTest test = new InlineMatcherTest();

        test.test();

    }

    public void helper() {

    }

    private static Method getMethod(Class klass, String name, Class<?>... parameterTypes) {

        try {

            return klass.getDeclaredMethod(name, parameterTypes);

        } catch (NoSuchMethodException | SecurityException e) {

            throw new RuntimeException("exception on getting method Helper." + name, e);

        }

    }

    class TestCase {

        String pattern;

        Method testTarget;

        int expectedResult;

        public TestCase(Method testTarget, String pattern, int expectedResult) {

            this.testTarget = testTarget;

            this.pattern = pattern;

            this.expectedResult = expectedResult;

        }

        public String resultAsStr(int errorCode) {

            switch (errorCode) {

            case PARSING_FAILURE:

                return "Parsing failed";

            case NO_MATCH:

                return "No match";

            case DONT_INLINE:

                return "Dont Inline";

            case FORCE_INLINE:

                return "Force Inline";

            default:

                return "Unknown error";

            }

        }

        boolean test() {

            int result = WHITE_BOX.matchesInline(testTarget, pattern);

            if (result != expectedResult) {

                System.out

                        .println("FAIL Wrong result, Got: " + resultAsStr(result) + "\n TestCase: " + this.toString());

                return false;

            }

            return true;

        }

        @Override

        public String toString() {

            return "Method: '" + testTarget.toString() + "' Pattern: '" + pattern + "' Expected: "

                    + resultAsStr(expectedResult);

        }

        public void innerHelper() {

        }

    }

    class TestCases extends ArrayList<TestCase> {

        private static final long serialVersionUID = 1L;

        public boolean add(Method testTarget, String pattern, int expectedResult) {

            return super.add(new TestCase(testTarget, pattern, expectedResult));

        }

    }

}