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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.ishl;
     18 
     19 import dxc.junit.DxTestCase;
     20 import dxc.junit.DxUtil;
     21 import dxc.junit.opcodes.ishl.jm.T_ishl_1;
     22 
     23 public class Test_ishl extends DxTestCase {
     24 
     25     /**
     26      * @title  15 << 1
     27      */
     28     public void testN1() {
     29         T_ishl_1 t = new T_ishl_1();
     30         assertEquals(30, t.run(15, 1));
     31     }
     32 
     33     /**
     34      * @title  33 << 2
     35      */
     36     public void testN2() {
     37         T_ishl_1 t = new T_ishl_1();
     38         assertEquals(132, t.run(33, 2));
     39     }
     40 
     41     /**
     42      * @title  -15 << 1
     43      */
     44     public void testN3() {
     45         T_ishl_1 t = new T_ishl_1();
     46         assertEquals(-30, t.run(-15, 1));
     47     }
     48 
     49     /**
     50      * @title  Arguments = 1 & -1
     51      */
     52     public void testN4() {
     53         T_ishl_1 t = new T_ishl_1();
     54         assertEquals(0x80000000, t.run(1, -1));
     55     }
     56 
     57     /**
     58      * @title  Verify that shift distance is actually in range 0 to 32.
     59      */
     60     public void testN5() {
     61         T_ishl_1 t = new T_ishl_1();
     62         assertEquals(66, t.run(33, 33));
     63     }
     64 
     65     /**
     66      * FIXME: do we need to check that all the shift distances (0..31) works
     67      * fine?
     68      */
     69 
     70     /**
     71      * @title  Arguments = 0 & -1
     72      */
     73     public void testB1() {
     74         T_ishl_1 t = new T_ishl_1();
     75         assertEquals(0, t.run(0, -1));
     76     }
     77 
     78     /**
     79      * @title  Arguments = Integer.MAX_VALUE & 1
     80      */
     81     public void testB2() {
     82         T_ishl_1 t = new T_ishl_1();
     83         assertEquals(0xfffffffe, t.run(Integer.MAX_VALUE, 1));
     84     }
     85 
     86     /**
     87      * @title  Arguments = Integer.MIN_VALUE & 1
     88      */
     89     public void testB3() {
     90         T_ishl_1 t = new T_ishl_1();
     91         assertEquals(0, t.run(Integer.MIN_VALUE, 1));
     92     }
     93 
     94     /**
     95      * @title  Arguments = 1 & 0
     96      */
     97     public void testB4() {
     98         T_ishl_1 t = new T_ishl_1();
     99         assertEquals(1, t.run(1, 0));
    100     }
    101 
    102     /**
    103      * @constraint 4.8.2.1
    104      * @title number of arguments
    105      */
    106     public void testVFE1() {
    107         try {
    108             Class.forName("dxc.junit.opcodes.ishl.jm.T_ishl_2");
    109             fail("expected a verification exception");
    110         } catch (Throwable t) {
    111             DxUtil.checkVerifyException(t);
    112         }
    113     }
    114 
    115     /**
    116      * @constraint 4.8.2.1
    117      * @title types of arguments - double & int
    118      */
    119     public void testVFE2() {
    120         try {
    121             Class.forName("dxc.junit.opcodes.ishl.jm.T_ishl_3");
    122             fail("expected a verification exception");
    123         } catch (Throwable t) {
    124             DxUtil.checkVerifyException(t);
    125         }
    126     }
    127 
    128     /**
    129      * @constraint 4.8.2.1
    130      * @title types of arguments - long & int
    131      */
    132     public void testVFE3() {
    133         try {
    134             Class.forName("dxc.junit.opcodes.ishl.jm.T_ishl_4");
    135             fail("expected a verification exception");
    136         } catch (Throwable t) {
    137             DxUtil.checkVerifyException(t);
    138         }
    139     }
    140 
    141     /**
    142      * @constraint 4.8.2.1
    143      * @title types of arguments - reference & int
    144      */
    145     public void testVFE4() {
    146         try {
    147             Class.forName("dxc.junit.opcodes.ishl.jm.T_ishl_5");
    148             fail("expected a verification exception");
    149         } catch (Throwable t) {
    150             DxUtil.checkVerifyException(t);
    151         }
    152     }
    153 
    154 }
    155