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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.cmpg_float;
     18 
     19 import dot.junit.DxTestCase;
     20 import dot.junit.DxUtil;
     21 import dot.junit.opcodes.cmpg_float.d.T_cmpg_float_1;
     22 import dot.junit.opcodes.cmpg_float.d.T_cmpg_float_6;
     23 
     24 public class Test_cmpg_float extends DxTestCase {
     25     /**
     26      * @title Arguments = 3.14f, 2.7f
     27      */
     28     public void testN1() {
     29         T_cmpg_float_1 t = new T_cmpg_float_1();
     30         assertEquals(1, t.run(3.14f, 2.7f));
     31     }
     32 
     33     /**
     34      * @title Arguments = -3.14f, 2.7f
     35      */
     36     public void testN2() {
     37         T_cmpg_float_1 t = new T_cmpg_float_1();
     38         assertEquals(-1, t.run(-3.14f, 2.7f));
     39     }
     40 
     41     /**
     42      * @title Arguments = 3.14, 3.14
     43      */
     44     public void testN3() {
     45         T_cmpg_float_1 t = new T_cmpg_float_1();
     46         assertEquals(0, t.run(3.14f, 3.14f));
     47     }
     48 
     49     /**
     50      * @title Types of arguments - int, float. Dalvik doens't distinguish 32-bits types internally,
     51      * so this comparison of int and float makes no sense but shall not crash the VM.
     52      */
     53     public void testN4() {
     54         T_cmpg_float_6 t = new T_cmpg_float_6();
     55         try {
     56             t.run(123, 3.145f);
     57         } catch (Throwable e) {
     58         }
     59     }
     60 
     61     /**
     62      * @title Arguments = Float.NaN, Float.MAX_VALUE
     63      */
     64     public void testB1() {
     65         T_cmpg_float_1 t = new T_cmpg_float_1();
     66         assertEquals(1, t.run(Float.NaN, Float.MAX_VALUE));
     67     }
     68 
     69     /**
     70      * @title Arguments = +0, -0
     71      */
     72     public void testB2() {
     73         T_cmpg_float_1 t = new T_cmpg_float_1();
     74         assertEquals(0, t.run(+0f, -0f));
     75     }
     76 
     77     /**
     78      * @title Arguments = Float.NEGATIVE_INFINITY, Float.MIN_VALUE
     79      */
     80     public void testB3() {
     81         T_cmpg_float_1 t = new T_cmpg_float_1();
     82         assertEquals(-1, t.run(Float.NEGATIVE_INFINITY, Float.MIN_VALUE));
     83     }
     84 
     85     /**
     86      * @title Arguments = Float.POSITIVE_INFINITY, Float.MAX_VALUE
     87      */
     88     public void testB4() {
     89         T_cmpg_float_1 t = new T_cmpg_float_1();
     90         assertEquals(1, t.run(Float.POSITIVE_INFINITY, Float.MAX_VALUE));
     91     }
     92 
     93     /**
     94      * @title Arguments = Float.POSITIVE_INFINITY,
     95      * Float.NEGATIVE_INFINITY
     96      */
     97     public void testB5() {
     98         T_cmpg_float_1 t = new T_cmpg_float_1();
     99         assertEquals(1, t.run(Float.POSITIVE_INFINITY, Float.NEGATIVE_INFINITY));
    100     }
    101 
    102 
    103 
    104 
    105     /**
    106      * @constraint B1
    107      * @title types of arguments - float, double
    108      */
    109     public void testVFE1() {
    110         try {
    111             Class.forName("dot.junit.opcodes.cmpg_float.d.T_cmpg_float_2");
    112             fail("expected a verification exception");
    113         } catch (Throwable t) {
    114             DxUtil.checkVerifyException(t);
    115         }
    116     }
    117 
    118     /**
    119      * @constraint B1
    120      * @title types of arguments - long, float
    121      */
    122     public void testVFE2() {
    123         try {
    124             Class.forName("dot.junit.opcodes.cmpg_float.d.T_cmpg_float_3");
    125             fail("expected a verification exception");
    126         } catch (Throwable t) {
    127             DxUtil.checkVerifyException(t);
    128         }
    129     }
    130 
    131     /**
    132      * @constraint B1
    133      * @title types of arguments - reference, float
    134      */
    135     public void testVFE3() {
    136         try {
    137             Class.forName("dot.junit.opcodes.cmpg_float.d.T_cmpg_float_4");
    138             fail("expected a verification exception");
    139         } catch (Throwable t) {
    140             DxUtil.checkVerifyException(t);
    141         }
    142     }
    143 
    144     /**
    145      * @constraint A23
    146      * @title number of registers
    147      */
    148     public void testVFE4() {
    149         try {
    150             Class.forName("dot.junit.opcodes.cmpg_float.d.T_cmpg_float_5");
    151             fail("expected a verification exception");
    152         } catch (Throwable t) {
    153             DxUtil.checkVerifyException(t);
    154         }
    155     }
    156 
    157 }
    158