1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package openjdk.jcov.filter.simplemethods;
  26 
  27 import org.objectweb.asm.tree.ClassNode;
  28 import org.testng.annotations.BeforeTest;
  29 import org.testng.annotations.DataProvider;
  30 import org.testng.annotations.Test;
  31 
  32 import java.io.IOException;
  33 
  34 import static openjdk.jcov.filter.simplemethods.TestUtils.findTestMethod;
  35 import static org.testng.Assert.assertEquals;
  36 
  37 public class GettersTest {
  38 
  39     Getters tested;
  40     ClassNode cls;
  41 
  42     @BeforeTest
  43     public void init() throws IOException {
  44         tested = new Getters();
  45         cls = TestUtils.findTestClass(this.getClass());
  46     }
  47 
  48     @DataProvider(name = "cases")
  49     public Object[][] cases() {
  50         return new Object[][] {
  51                 {"getField()I", true, "A getter"},
  52                 {"getConstant()Ljava/lang/Object;", true, "A constant getter"},
  53                 {"getObjectField()Ljava/lang/String;", true, "An object getter"},
  54                 {"getStaticConstant()I", true, "A constant getter using LDC"},
  55                 {"getStaticField()Ljava/lang/Object;", true, "A static getter"},
  56                 {"getFieldToString()Ljava/lang/String;", false, "Returning toString() of a field"},
  57                 {"getOtherField()J", true, "A getter for other field object"},
  58                 {"empty()V", false, "Empty"}
  59         };
  60     }
  61     @Test(dataProvider = "cases")
  62     public void test(String method, boolean result, String description) {
  63         assertEquals(tested.test(cls, findTestMethod(cls, method)), result, description);
  64     }
  65 
  66     //test data
  67     int aField;
  68     String anObjectField;
  69     static Object aStaticField;
  70     static final int CONSTANT=7532957;
  71 
  72     class Other {
  73         long aField;
  74     }
  75 
  76     Other other;
  77 
  78     int getField() {
  79         return aField;
  80     }
  81 
  82     Object getConstant() {
  83         return null;
  84     }
  85 
  86     int getStaticConstant() {
  87         return CONSTANT;
  88     }
  89 
  90     long getOtherField() {
  91         return other.aField;
  92     }
  93 
  94     String getObjectField() {
  95         return anObjectField;
  96     }
  97 
  98     String getFieldToString() {
  99         return anObjectField.toString();
 100     }
 101 
 102     static Object getStaticField() {
 103         return aStaticField;
 104     }
 105 
 106     void empty() {
 107     }
 108 }