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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_float;
     18 
     19 import dot.junit.DxTestCase;
     20 import dot.junit.DxUtil;
     21 import dot.junit.opcodes.neg_float.d.T_neg_float_1;
     22 import dot.junit.opcodes.neg_float.d.T_neg_float_6;
     23 
     24 public class Test_neg_float extends DxTestCase {
     25 
     26     /**
     27      * @title Argument = 1
     28      */
     29     public void testN1() {
     30         T_neg_float_1 t = new T_neg_float_1();
     31         assertEquals(-1f, t.run(1f));
     32     }
     33 
     34     /**
     35      * @title Argument = -1
     36      */
     37     public void testN2() {
     38         T_neg_float_1 t = new T_neg_float_1();
     39         assertEquals(1f, t.run(-1f));
     40     }
     41 
     42     /**
     43      * @title Argument = +0
     44      */
     45     public void testN3() {
     46         T_neg_float_1 t = new T_neg_float_1();
     47         assertEquals(-0f, t.run(+0f));
     48     }
     49 
     50     /**
     51      * @title Argument = -2.7
     52      */
     53     public void testN4() {
     54         T_neg_float_1 t = new T_neg_float_1();
     55         assertEquals(2.7f, t.run(-2.7f));
     56     }
     57 
     58     /**
     59      * @title Argument = Float.NaN
     60      */
     61     public void testB1() {
     62         T_neg_float_1 t = new T_neg_float_1();
     63         assertEquals(Float.NaN, t.run(Float.NaN));
     64     }
     65 
     66     /**
     67      * @title Argument = Float.NEGATIVE_INFINITY
     68      */
     69     public void testB2() {
     70         T_neg_float_1 t = new T_neg_float_1();
     71         assertEquals(Float.POSITIVE_INFINITY, t.run(Float.NEGATIVE_INFINITY));
     72     }
     73 
     74     /**
     75      * @title Argument = Float.POSITIVE_INFINITY
     76      */
     77     public void testB3() {
     78         T_neg_float_1 t = new T_neg_float_1();
     79         assertEquals(Float.NEGATIVE_INFINITY, t.run(Float.POSITIVE_INFINITY));
     80     }
     81 
     82     /**
     83      * @title Argument = Float.MAX_VALUE
     84      */
     85     public void testB4() {
     86         T_neg_float_1 t = new T_neg_float_1();
     87         assertEquals(-3.4028235E38f, t.run(Float.MAX_VALUE));
     88     }
     89 
     90     /**
     91      * @title Argument = Float.MIN
     92      */
     93     public void testB5() {
     94         T_neg_float_1 t = new T_neg_float_1();
     95         assertEquals(-1.4E-45f, t.run(Float.MIN_VALUE));
     96     }
     97 
     98     /**
     99      * @constraint A23
    100      * @title number of registers
    101      */
    102     public void testVFE1() {
    103         try {
    104             Class.forName("dot.junit.opcodes.neg_float.d.T_neg_float_2");
    105             fail("expected a verification exception");
    106         } catch (Throwable t) {
    107             DxUtil.checkVerifyException(t);
    108         }
    109     }
    110 
    111 
    112 
    113     /**
    114      *
    115      * @constraint B1
    116      * @title type of argument - double
    117      */
    118     public void testVFE2() {
    119         try {
    120             Class.forName("dot.junit.opcodes.neg_float.d.T_neg_float_3");
    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 testVFE3() {
    133         try {
    134             Class.forName("dot.junit.opcodes.neg_float.d.T_neg_float_4");
    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 - reference
    145      */
    146     public void testVFE4() {
    147         try {
    148             Class.forName("dot.junit.opcodes.neg_float.d.T_neg_float_5");
    149             fail("expected a verification exception");
    150         } catch (Throwable t) {
    151             DxUtil.checkVerifyException(t);
    152         }
    153     }
    154 
    155     /**
    156      * @constraint B1
    157      * @title Types of arguments - float, int. The verifier checks that ints
    158      * and floats are not used interchangeably.
    159      */
    160     public void testVFE5() {
    161         try {
    162             Class.forName("dot.junit.opcodes.neg_float.d.T_neg_float_6");
    163             fail("expected a verification exception");
    164         } catch (Throwable t) {
    165             DxUtil.checkVerifyException(t);
    166         }
    167     }
    168 }
    169