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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.float_to_double;
     18 
     19 import dot.junit.DxTestCase;
     20 import dot.junit.DxUtil;
     21 import dot.junit.opcodes.float_to_double.d.T_float_to_double_1;
     22 import dot.junit.opcodes.float_to_double.d.T_float_to_double_7;
     23 
     24 public class Test_float_to_double extends DxTestCase {
     25      /**
     26      * @title Argument = 0.5
     27      */
     28     public void testN1() {
     29         T_float_to_double_1 t = new T_float_to_double_1();
     30         assertEquals(0.5d, t.run(0.5f), 0d);
     31     }
     32 
     33     /**
     34      * @title Argument = 1
     35      */
     36     public void testN2() {
     37         T_float_to_double_1 t = new T_float_to_double_1();
     38         assertEquals(1d, t.run(1), 0d);
     39     }
     40 
     41     /**
     42      * @title Argument = -1
     43      */
     44     public void testN3() {
     45         T_float_to_double_1 t = new T_float_to_double_1();
     46         assertEquals(-1d, t.run(-1), 0d);
     47     }
     48 
     49     /**
     50      * @title Type of argument - int. Dalvik doens't distinguish 32-bits types internally,
     51      * so this conversion of int to double makes no sense but shall not crash the VM.
     52      */
     53 
     54     public void testN4() {
     55         T_float_to_double_7 t = new T_float_to_double_7();
     56         try {
     57             t.run(1);
     58         } catch (Throwable e) {
     59         }
     60     }
     61 
     62     /**
     63      * @title Argument = Float.MAX_VALUE
     64      */
     65     public void testB1() {
     66         T_float_to_double_1 t = new T_float_to_double_1();
     67         double r = 0x1.fffffeP+127d;
     68         assertEquals(r, t.run(Float.MAX_VALUE), 0d);
     69     }
     70 
     71     /**
     72      * @title Argument = Float.MIN_VALUE
     73      */
     74     public void testB2() {
     75         T_float_to_double_1 t = new T_float_to_double_1();
     76         double r = 0x0.000002P-126d;
     77         assertEquals(r, t.run(Float.MIN_VALUE), 0d);
     78     }
     79 
     80     /**
     81      * @title Argument = -0
     82      */
     83     public void testB3() {
     84         T_float_to_double_1 t = new T_float_to_double_1();
     85         assertEquals(-0d, t.run(-0), 0d);
     86     }
     87 
     88     /**
     89      * @title Argument = NaN
     90      */
     91     public void testB4() {
     92         T_float_to_double_1 t = new T_float_to_double_1();
     93         assertTrue(Double.isNaN(t.run(Float.NaN)));
     94     }
     95 
     96     /**
     97      * @title Argument = POSITIVE_INFINITY
     98      */
     99     public void testB5() {
    100         T_float_to_double_1 t = new T_float_to_double_1();
    101         assertTrue(Double.isInfinite(t.run(Float.POSITIVE_INFINITY)));
    102     }
    103 
    104     /**
    105      * @title Argument = NEGATIVE_INFINITY
    106      */
    107     public void testB6() {
    108         T_float_to_double_1 t = new T_float_to_double_1();
    109         assertTrue(Double.isInfinite(t.run(Float.NEGATIVE_INFINITY)));
    110     }
    111 
    112 
    113 
    114     /**
    115      * @constraint B1
    116      * @title type of argument - double
    117      */
    118     public void testVFE1() {
    119         try {
    120             Class.forName("dot.junit.opcodes.float_to_double.d.T_float_to_double_2");
    121             fail("expected a verification exception");
    122         } catch (Throwable t) {
    123             DxUtil.checkVerifyException(t);
    124         }
    125     }
    126 
    127     /**
    128      *
    129      * @constraint B1
    130      * @title type of argument - long
    131      */
    132     public void testVFE2() {
    133         try {
    134             Class.forName("dot.junit.opcodes.float_to_double.d.T_float_to_double_3");
    135             fail("expected a verification exception");
    136         } catch (Throwable t) {
    137             DxUtil.checkVerifyException(t);
    138         }
    139     }
    140 
    141     /**
    142      * @constraint A24
    143      * @title number of registers
    144      */
    145     public void testVFE3() {
    146         try {
    147             Class.forName("dot.junit.opcodes.float_to_double.d.T_float_to_double_4");
    148             fail("expected a verification exception");
    149         } catch (Throwable t) {
    150             DxUtil.checkVerifyException(t);
    151         }
    152     }
    153 
    154     /**
    155      * @constraint B1
    156      * @title type of argument - reference
    157      */
    158     public void testVFE4() {
    159         try {
    160             Class.forName("dot.junit.opcodes.float_to_double.d.T_float_to_double_5");
    161             fail("expected a verification exception");
    162         } catch (Throwable t) {
    163             DxUtil.checkVerifyException(t);
    164         }
    165     }
    166 
    167     /**
    168      * @constraint A23
    169      * @title number of registers
    170      */
    171     public void testVFE5() {
    172         try {
    173             Class.forName("dot.junit.opcodes.float_to_double.d.T_float_to_double_6");
    174             fail("expected a verification exception");
    175         } catch (Throwable t) {
    176             DxUtil.checkVerifyException(t);
    177         }
    178     }
    179 
    180 }
    181