Home | History | Annotate | Download | only in tests 
      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include "../include/type_traits.h"
     30 #ifndef ANDROID_ASTL_TYPE_TRAITS_H__
     31 #error "Wrong header included!!"
     32 #endif
     33 
     34 #include "common.h"
     35 
     36 namespace android {
     37 
     38 using std::true_type;
     39 using std::false_type;
     40 
     41 bool testTrueFalseType()
     42 {
     43     EXPECT_TRUE(true_type::value == true);
     44     EXPECT_TRUE(false_type::value == false);
     45     EXPECT_TRUE(true_type::type::value == true);
     46     EXPECT_TRUE(false_type::type::value == false);
     47 
     48     typedef true_type::value_type       true_value_type;
     49     typedef true_type::type             true_type;
     50     typedef true_type::type::value_type true_type_value_type;
     51     typedef true_type::type::type       true_type_type;
     52 
     53     typedef false_type::value_type       false_value_type;
     54     typedef false_type::type             false_type;
     55     typedef false_type::type::value_type false_type_value_type;
     56     typedef false_type::type::type       false_type_type;
     57     return true;
     58 }
     59 
     60 bool testIsIntegral()
     61 {
     62     using std::is_integral;
     63     EXPECT_TRUE(is_integral<bool>::value == true);
     64     EXPECT_TRUE(is_integral<char>::value == true);
     65     EXPECT_TRUE(is_integral<signed char>::value == true);
     66     EXPECT_TRUE(is_integral<unsigned char>::value == true);
     67     EXPECT_TRUE(is_integral<wchar_t>::value == true);
     68     EXPECT_TRUE(is_integral<short>::value == true);
     69     EXPECT_TRUE(is_integral<unsigned short>::value == true);
     70     EXPECT_TRUE(is_integral<int>::value == true);
     71     EXPECT_TRUE(is_integral<unsigned int>::value == true);
     72     EXPECT_TRUE(is_integral<long>::value == true);
     73     EXPECT_TRUE(is_integral<unsigned long>::value == true);
     74     EXPECT_TRUE(is_integral<long long>::value == true);
     75     EXPECT_TRUE(is_integral<unsigned long long>::value == true);
     76 
     77     // const
     78     EXPECT_TRUE(is_integral<int const>::value == true);
     79     EXPECT_TRUE(is_integral<const int>::value == true);
     80 
     81     // volatile
     82     EXPECT_TRUE(is_integral<int volatile>::value == true);
     83     EXPECT_TRUE(is_integral<int const volatile>::value == true);
     84 
     85     // float is not
     86     EXPECT_TRUE(is_integral<float>::value == false);
     87     return true;
     88 }
     89 
     90 bool testIsFloatingPoint()
     91 {
     92     using std::is_floating_point;
     93     EXPECT_TRUE(is_floating_point<float>::value == true);
     94     EXPECT_TRUE(is_floating_point<double>::value == true);
     95     EXPECT_TRUE(is_floating_point<long double>::value == true);
     96     return true;
     97 }
     98 
     99 bool testIsPointer()
    100 {
    101     using std::is_pointer;
    102     EXPECT_TRUE(is_pointer<float>::value == false);
    103     EXPECT_TRUE(is_pointer<int *>::value == true);
    104     return true;
    105 }
    106 
    107 class A {};
    108 
    109 bool testIsPodOrClass()
    110 {
    111     using std::is_class;
    112     using std::is_pod;
    113     EXPECT_TRUE(is_pod<float>::value == true);
    114     EXPECT_TRUE(is_pod<int *>::value == true);
    115     EXPECT_TRUE(is_pod<A>::value == false);
    116 
    117     EXPECT_TRUE(is_class<float>::value == false);
    118     EXPECT_TRUE(is_class<int *>::value == false);
    119     EXPECT_TRUE(is_class<A>::value == true);
    120     return true;
    121 }
    122 }  // namespace android
    123 
    124 int main(int argc, char **argv)
    125 {
    126     FAIL_UNLESS(testTrueFalseType);
    127     FAIL_UNLESS(testIsIntegral);
    128     FAIL_UNLESS(testIsFloatingPoint);
    129     FAIL_UNLESS(testIsPointer);
    130     FAIL_UNLESS(testIsPodOrClass);
    131     return kPassed;
    132 }
    133