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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package dxc.junit.opcodes.ireturn;
     18 
     19 import dxc.junit.DxTestCase;
     20 import dxc.junit.DxUtil;
     21 import dxc.junit.opcodes.ireturn.jm.T_ireturn_1;
     22 import dxc.junit.opcodes.ireturn.jm.T_ireturn_6;
     23 import dxc.junit.opcodes.ireturn.jm.T_ireturn_7;
     24 import dxc.junit.opcodes.ireturn.jm.T_ireturn_8;
     25 import dxc.junit.opcodes.ireturn.jm.T_ireturn_9;
     26 
     27 public class Test_ireturn extends DxTestCase {
     28 
     29     /**
     30      * @title  simple
     31      */
     32     public void testN1() {
     33         T_ireturn_1 t = new T_ireturn_1();
     34         assertEquals(123456, t.run());
     35     }
     36 
     37     /**
     38      * @title  check that frames are discarded and reinstananted correctly
     39      */
     40     public void testN2() {
     41         T_ireturn_6 t = new T_ireturn_6();
     42         assertEquals(123456, t.run());
     43     }
     44 
     45     /**
     46      * @title  check that monitor is released by ireturn
     47      */
     48     public void testN3() {
     49         assertTrue(T_ireturn_7.execute());
     50     }
     51 
     52     /**
     53      * @title  Method is synchronized but thread is not monitor owner
     54      */
     55     public void testE1() {
     56         T_ireturn_8 t = new T_ireturn_8();
     57         try {
     58             assertTrue(t.run());
     59             fail("expected IllegalMonitorStateException");
     60         } catch (IllegalMonitorStateException imse) {
     61             // expected
     62         }
     63     }
     64 
     65     /**
     66      * @title  Lock structural rule 1 is violated
     67      */
     68     public void testE2() {
     69         T_ireturn_9 t = new T_ireturn_9();
     70         try {
     71             assertEquals(1, t.run());
     72             // the JVM spec says that it is optional to implement the structural
     73             // lock rules, see JVM spec 8.13 and monitorenter/exit opcodes.
     74             System.out.print("dvmvfe:");
     75             //fail("expected IllegalMonitorStateException");
     76         } catch (IllegalMonitorStateException imse) {
     77             // expected
     78         }
     79     }
     80 
     81     /**
     82      * @constraint 4.8.2.14
     83      * @title method's return type - void
     84      */
     85     public void testVFE1() {
     86         try {
     87             Class.forName("dxc.junit.opcodes.ireturn.jm.T_ireturn_2");
     88             fail("expected a verification exception");
     89         } catch (Throwable t) {
     90             DxUtil.checkVerifyException(t);
     91         }
     92     }
     93 
     94     /**
     95      * @constraint 4.8.2.14
     96      * @title method's return type - double
     97      */
     98     public void testVFE2() {
     99         try {
    100             Class.forName("dxc.junit.opcodes.ireturn.jm.T_ireturn_3");
    101             fail("expected a verification exception");
    102         } catch (Throwable t) {
    103             DxUtil.checkVerifyException(t);
    104         }
    105     }
    106 
    107     /**
    108      * @constraint 4.8.2.1
    109      * @title number of arguments
    110      */
    111     public void testVFE3() {
    112         try {
    113             Class.forName("dxc.junit.opcodes.ireturn.jm.T_ireturn_4");
    114             fail("expected a verification exception");
    115         } catch (Throwable t) {
    116             DxUtil.checkVerifyException(t);
    117         }
    118     }
    119 
    120     /**
    121      * @constraint 4.8.2.1
    122      * @title types of argument - double
    123      */
    124     public void testVFE4() {
    125         try {
    126             Class.forName("dxc.junit.opcodes.ireturn.jm.T_ireturn_5");
    127             fail("expected a verification exception");
    128         } catch (Throwable t) {
    129             DxUtil.checkVerifyException(t);
    130         }
    131     }
    132 
    133     /**
    134      * @constraint 4.8.2.5
    135      * @title stack size
    136      */
    137     public void testVFE5() {
    138         try {
    139             Class.forName("dxc.junit.opcodes.ireturn.jm.T_ireturn_10");
    140             fail("expected a verification exception");
    141         } catch (Throwable t) {
    142             DxUtil.checkVerifyException(t);
    143         }
    144     }
    145 
    146     /**
    147      * @constraint 4.8.2.1
    148      * @title types of argument - reference
    149      */
    150     public void testVFE6() {
    151         try {
    152             Class.forName("dxc.junit.opcodes.ireturn.jm.T_ireturn_11");
    153             fail("expected a verification exception");
    154         } catch (Throwable t) {
    155             DxUtil.checkVerifyException(t);
    156         }
    157     }
    158 }
    159