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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 dot.junit.opcodes.neg_double;
     18 
     19 import dot.junit.DxTestCase;
     20 import dot.junit.DxUtil;
     21 import dot.junit.opcodes.neg_double.d.T_neg_double_1;
     22 import dot.junit.opcodes.neg_double.d.T_neg_double_4;
     23 
     24 public class Test_neg_double extends DxTestCase {
     25 
     26     /**
     27      * @title Argument = 1
     28      */
     29     public void testN1() {
     30         T_neg_double_1 t = new T_neg_double_1();
     31         assertEquals(-1d, t.run(1d));
     32     }
     33 
     34     /**
     35      * @title Argument = -1
     36      */
     37     public void testN2() {
     38         T_neg_double_1 t = new T_neg_double_1();
     39         assertEquals(1d, t.run(-1d));
     40     }
     41 
     42     /**
     43      * @title Argument = +0
     44      */
     45     public void testN3() {
     46         T_neg_double_1 t = new T_neg_double_1();
     47         assertEquals(-0d, t.run(+0d));
     48     }
     49 
     50     /**
     51      * @title Argument = -2.7
     52      */
     53     public void testN4() {
     54         T_neg_double_1 t = new T_neg_double_1();
     55         assertEquals(2.7d, t.run(-2.7d));
     56     }
     57 
     58     /**
     59      * @title Types of arguments - long, double. Dalvik doens't distinguish 64-bits types internally,
     60      * so this operation of long and double makes no sense but shall not crash the VM.
     61      */
     62 
     63     public void testN5() {
     64         T_neg_double_4 t = new T_neg_double_4();
     65         try {
     66             t.run(500000l);
     67         } catch (Throwable e) {
     68         }
     69     }
     70 
     71 
     72     /**
     73      * @title Argument = Double.NaN
     74      */
     75     public void testB1() {
     76         T_neg_double_1 t = new T_neg_double_1();
     77         assertEquals(Double.NaN, t.run(Double.NaN));
     78     }
     79 
     80     /**
     81      * @title Argument = Double.NEGATIVE_INFINITY
     82      */
     83     public void testB2() {
     84         T_neg_double_1 t = new T_neg_double_1();
     85         assertEquals(Double.POSITIVE_INFINITY, t.run(Double.NEGATIVE_INFINITY));
     86     }
     87 
     88     /**
     89      * @title Argument = Double.POSITIVE_INFINITY
     90      */
     91     public void testB3() {
     92         T_neg_double_1 t = new T_neg_double_1();
     93         assertEquals(Double.NEGATIVE_INFINITY, t.run(Double.POSITIVE_INFINITY));
     94     }
     95 
     96     /**
     97      * @title Argument = Double.MAX_VALUE
     98      */
     99     public void testB4() {
    100         T_neg_double_1 t = new T_neg_double_1();
    101         assertEquals(-1.7976931348623157E308d, t.run(Double.MAX_VALUE));
    102     }
    103 
    104     /**
    105      * @title Argument = Double.MIN_VALUE
    106      */
    107     public void testB5() {
    108         T_neg_double_1 t = new T_neg_double_1();
    109         assertEquals(-4.9E-324d, t.run(Double.MIN_VALUE));
    110     }
    111 
    112     /**
    113      * @constraint A24
    114      * @title number of registers
    115      */
    116     public void testVFE1() {
    117         try {
    118             Class.forName("dot.junit.opcodes.neg_double.d.T_neg_double_2");
    119             fail("expected a verification exception");
    120         } catch (Throwable t) {
    121             DxUtil.checkVerifyException(t);
    122         }
    123     }
    124 
    125 
    126 
    127     /**
    128      *
    129      * @constraint B1
    130      * @title type of argument - float
    131      */
    132     public void testVFE2() {
    133         try {
    134             Class.forName("dot.junit.opcodes.neg_double.d.T_neg_double_3");
    135             fail("expected a verification exception");
    136         } catch (Throwable t) {
    137             DxUtil.checkVerifyException(t);
    138         }
    139     }
    140 
    141     /**
    142      *
    143      * @constraint B1
    144      * @title type of argument - int
    145      */
    146     public void testVFE3() {
    147         try {
    148             Class.forName("dot.junit.opcodes.neg_double.d.T_neg_double_5");
    149             fail("expected a verification exception");
    150         } catch (Throwable t) {
    151             DxUtil.checkVerifyException(t);
    152         }
    153     }
    154 
    155     /**
    156      *
    157      * @constraint B1
    158      * @title type of argument - reference
    159      */
    160     public void testVFE4() {
    161         try {
    162             Class.forName("dot.junit.opcodes.neg_double.d.T_neg_double_6");
    163             fail("expected a verification exception");
    164         } catch (Throwable t) {
    165             DxUtil.checkVerifyException(t);
    166         }
    167     }
    168 
    169 }
    170