/*
 * Copyright (c) 2018, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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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package openjdk.jcov.filter.simplemethods;

import org.objectweb.asm.tree.ClassNode;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import java.io.IOException;

import static openjdk.jcov.filter.simplemethods.TestUtils.findTestMethod;
import static org.testng.Assert.assertEquals;

public class GettersTest {

    Getters tested;
    ClassNode cls;

    @BeforeTest
    public void init() throws IOException {
        tested = new Getters();
        cls = TestUtils.findTestClass(this.getClass());
    }

    @DataProvider(name = "cases")
    public Object[][] cases() {
        return new Object[][] {
                {"getField()I", true, "A getter"},
                {"getConstant()Ljava/lang/Object;", true, "A constant getter"},
                {"getObjectField()Ljava/lang/String;", true, "An object getter"},
                {"getStaticConstant()I", true, "A constant getter using LDC"},
                {"getStaticField()Ljava/lang/Object;", true, "A static getter"},
                {"getFieldToString()Ljava/lang/String;", false, "Returning toString() of a field"},
                {"getOtherField()J", true, "A getter for other field object"},
                {"empty()V", false, "Empty"}
        };
    }
    @Test(dataProvider = "cases")
    public void test(String method, boolean result, String description) {
        assertEquals(tested.test(cls, findTestMethod(cls, method)), result, description);
    }

    //test data
    int aField;
    String anObjectField;
    static Object aStaticField;
    static final int CONSTANT=7532957;

    class Other {
        long aField;
    }

    Other other;

    int getField() {
        return aField;
    }

    Object getConstant() {
        return null;
    }

    int getStaticConstant() {
        return CONSTANT;
    }

    long getOtherField() {
        return other.aField;
    }

    String getObjectField() {
        return anObjectField;
    }

    String getFieldToString() {
        return anObjectField.toString();
    }

    static Object getStaticField() {
        return aStaticField;
    }

    void empty() {
    }
}