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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.freturn;
     18 
     19 import dxc.junit.DxTestCase;
     20 import dxc.junit.DxUtil;
     21 import dxc.junit.opcodes.freturn.jm.T_freturn_1;
     22 import dxc.junit.opcodes.freturn.jm.T_freturn_6;
     23 import dxc.junit.opcodes.freturn.jm.T_freturn_7;
     24 import dxc.junit.opcodes.freturn.jm.T_freturn_8;
     25 import dxc.junit.opcodes.freturn.jm.T_freturn_9;
     26 
     27 public class Test_freturn extends DxTestCase {
     28 
     29     /**
     30      * @title  simple
     31      */
     32     public void testN1() {
     33         T_freturn_1 t = new T_freturn_1();
     34         assertEquals(123456f, t.run());
     35     }
     36 
     37     /**
     38      * @title  check that frames are discarded and reinstananted correctly
     39      */
     40     public void testN2() {
     41         T_freturn_6 t = new T_freturn_6();
     42         assertEquals(123456f, t.run());
     43     }
     44 
     45     /**
     46      * @title  check that monitor is released by freturn
     47      */
     48     public void testN3() {
     49         assertTrue(T_freturn_7.execute());
     50     }
     51 
     52     /**
     53      * @title  Method is synchronized but thread is not monitor owner
     54      */
     55     public void testE1() {
     56         T_freturn_8 t = new T_freturn_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_freturn_9 t = new T_freturn_9();
     70         try {
     71             assertEquals(1f, 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     /**
     83      * @constraint 4.8.2.14
     84      * @title method's return type - void
     85      */
     86     public void testVFE1() {
     87         try {
     88             Class.forName("dxc.junit.opcodes.freturn.jm.T_freturn_2");
     89             fail("expected a verification exception");
     90         } catch (Throwable t) {
     91             DxUtil.checkVerifyException(t);
     92         }
     93     }
     94 
     95     /**
     96      * @constraint 4.8.2.14
     97      * @title method's return type - double
     98      */
     99     public void testVFE2() {
    100         try {
    101             Class.forName("dxc.junit.opcodes.freturn.jm.T_freturn_3");
    102             fail("expected a verification exception");
    103         } catch (Throwable t) {
    104             DxUtil.checkVerifyException(t);
    105         }
    106     }
    107 
    108     /**
    109      * @constraint 4.8.2.1
    110      * @title number of arguments
    111      */
    112     public void testVFE3() {
    113         try {
    114             Class.forName("dxc.junit.opcodes.freturn.jm.T_freturn_4");
    115             fail("expected a verification exception");
    116         } catch (Throwable t) {
    117             DxUtil.checkVerifyException(t);
    118         }
    119     }
    120 
    121     /**
    122      * @constraint 4.8.2.1
    123      * @title types of argument - double
    124      */
    125     public void testVFE4() {
    126         try {
    127             Class.forName("dxc.junit.opcodes.freturn.jm.T_freturn_5");
    128             fail("expected a verification exception");
    129         } catch (Throwable t) {
    130             DxUtil.checkVerifyException(t);
    131         }
    132     }
    133 
    134     /**
    135      * @constraint 4.8.2.5
    136      * @title stack size
    137      */
    138     public void testVFE5() {
    139         try {
    140             Class.forName("dxc.junit.opcodes.freturn.jm.T_freturn_10");
    141             fail("expected a verification exception");
    142         } catch (Throwable t) {
    143             DxUtil.checkVerifyException(t);
    144         }
    145     }
    146 
    147     /**
    148      * @constraint 4.8.2.1
    149      * @title types of argument - reference
    150      */
    151     public void testVFE6() {
    152         try {
    153             Class.forName("dxc.junit.opcodes.freturn.jm.T_freturn_11");
    154             fail("expected a verification exception");
    155         } catch (Throwable t) {
    156             DxUtil.checkVerifyException(t);
    157         }
    158     }
    159 }
    160