1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2009, 2010 Google Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #include "config.h" 23 #include "TypeTraits.h" 24 25 #include "Assertions.h" 26 27 namespace WTF { 28 29 COMPILE_ASSERT(IsInteger<bool>::value, WTF_IsInteger_bool_true); 30 COMPILE_ASSERT(IsInteger<char>::value, WTF_IsInteger_char_true); 31 COMPILE_ASSERT(IsInteger<signed char>::value, WTF_IsInteger_signed_char_true); 32 COMPILE_ASSERT(IsInteger<unsigned char>::value, WTF_IsInteger_unsigned_char_true); 33 COMPILE_ASSERT(IsInteger<short>::value, WTF_IsInteger_short_true); 34 COMPILE_ASSERT(IsInteger<unsigned short>::value, WTF_IsInteger_unsigned_short_true); 35 COMPILE_ASSERT(IsInteger<int>::value, WTF_IsInteger_int_true); 36 COMPILE_ASSERT(IsInteger<unsigned int>::value, WTF_IsInteger_unsigned_int_true); 37 COMPILE_ASSERT(IsInteger<long>::value, WTF_IsInteger_long_true); 38 COMPILE_ASSERT(IsInteger<unsigned long>::value, WTF_IsInteger_unsigned_long_true); 39 COMPILE_ASSERT(IsInteger<long long>::value, WTF_IsInteger_long_long_true); 40 COMPILE_ASSERT(IsInteger<unsigned long long>::value, WTF_IsInteger_unsigned_long_long_true); 41 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED) 42 COMPILE_ASSERT(IsInteger<wchar_t>::value, WTF_IsInteger_wchar_t_true); 43 #endif 44 COMPILE_ASSERT(!IsInteger<char*>::value, WTF_IsInteger_char_pointer_false); 45 COMPILE_ASSERT(!IsInteger<const char*>::value, WTF_IsInteger_const_char_pointer_false); 46 COMPILE_ASSERT(!IsInteger<volatile char*>::value, WTF_IsInteger_volatile_char_pointer_false); 47 COMPILE_ASSERT(!IsInteger<double>::value, WTF_IsInteger_double_false); 48 COMPILE_ASSERT(!IsInteger<float>::value, WTF_IsInteger_float_false); 49 50 COMPILE_ASSERT(IsPod<bool>::value, WTF_IsPod_bool_true); 51 COMPILE_ASSERT(IsPod<char>::value, WTF_IsPod_char_true); 52 COMPILE_ASSERT(IsPod<signed char>::value, WTF_IsPod_signed_char_true); 53 COMPILE_ASSERT(IsPod<unsigned char>::value, WTF_IsPod_unsigned_char_true); 54 COMPILE_ASSERT(IsPod<short>::value, WTF_IsPod_short_true); 55 COMPILE_ASSERT(IsPod<unsigned short>::value, WTF_IsPod_unsigned_short_true); 56 COMPILE_ASSERT(IsPod<int>::value, WTF_IsPod_int_true); 57 COMPILE_ASSERT(IsPod<unsigned int>::value, WTF_IsPod_unsigned_int_true); 58 COMPILE_ASSERT(IsPod<long>::value, WTF_IsPod_long_true); 59 COMPILE_ASSERT(IsPod<unsigned long>::value, WTF_IsPod_unsigned_long_true); 60 COMPILE_ASSERT(IsPod<long long>::value, WTF_IsPod_long_long_true); 61 COMPILE_ASSERT(IsPod<unsigned long long>::value, WTF_IsPod_unsigned_long_long_true); 62 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED) 63 COMPILE_ASSERT(IsPod<wchar_t>::value, WTF_IsPod_wchar_t_true); 64 #endif 65 COMPILE_ASSERT(IsPod<char*>::value, WTF_IsPod_char_pointer_true); 66 COMPILE_ASSERT(IsPod<const char*>::value, WTF_IsPod_const_char_pointer_true); 67 COMPILE_ASSERT(IsPod<volatile char*>::value, WTF_IsPod_volatile_char_pointer_true); 68 COMPILE_ASSERT(IsPod<double>::value, WTF_IsPod_double_true); 69 COMPILE_ASSERT(IsPod<long double>::value, WTF_IsPod_long_double_true); 70 COMPILE_ASSERT(IsPod<float>::value, WTF_IsPod_float_true); 71 COMPILE_ASSERT(!IsPod<IsPod<bool> >::value, WTF_IsPod_struct_false); 72 73 enum IsConvertibleToIntegerCheck { }; 74 COMPILE_ASSERT(IsConvertibleToInteger<IsConvertibleToIntegerCheck>::value, WTF_IsConvertibleToInteger_enum_true); 75 COMPILE_ASSERT(IsConvertibleToInteger<bool>::value, WTF_IsConvertibleToInteger_bool_true); 76 COMPILE_ASSERT(IsConvertibleToInteger<char>::value, WTF_IsConvertibleToInteger_char_true); 77 COMPILE_ASSERT(IsConvertibleToInteger<signed char>::value, WTF_IsConvertibleToInteger_signed_char_true); 78 COMPILE_ASSERT(IsConvertibleToInteger<unsigned char>::value, WTF_IsConvertibleToInteger_unsigned_char_true); 79 COMPILE_ASSERT(IsConvertibleToInteger<short>::value, WTF_IsConvertibleToInteger_short_true); 80 COMPILE_ASSERT(IsConvertibleToInteger<unsigned short>::value, WTF_IsConvertibleToInteger_unsigned_short_true); 81 COMPILE_ASSERT(IsConvertibleToInteger<int>::value, WTF_IsConvertibleToInteger_int_true); 82 COMPILE_ASSERT(IsConvertibleToInteger<unsigned int>::value, WTF_IsConvertibleToInteger_unsigned_int_true); 83 COMPILE_ASSERT(IsConvertibleToInteger<long>::value, WTF_IsConvertibleToInteger_long_true); 84 COMPILE_ASSERT(IsConvertibleToInteger<unsigned long>::value, WTF_IsConvertibleToInteger_unsigned_long_true); 85 COMPILE_ASSERT(IsConvertibleToInteger<long long>::value, WTF_IsConvertibleToInteger_long_long_true); 86 COMPILE_ASSERT(IsConvertibleToInteger<unsigned long long>::value, WTF_IsConvertibleToInteger_unsigned_long_long_true); 87 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED) 88 COMPILE_ASSERT(IsConvertibleToInteger<wchar_t>::value, WTF_IsConvertibleToInteger_wchar_t_true); 89 #endif 90 COMPILE_ASSERT(IsConvertibleToInteger<double>::value, WTF_IsConvertibleToInteger_double_true); 91 COMPILE_ASSERT(IsConvertibleToInteger<long double>::value, WTF_IsConvertibleToInteger_long_double_true); 92 COMPILE_ASSERT(IsConvertibleToInteger<float>::value, WTF_IsConvertibleToInteger_float_true); 93 COMPILE_ASSERT(!IsConvertibleToInteger<char*>::value, WTF_IsConvertibleToInteger_char_pointer_false); 94 COMPILE_ASSERT(!IsConvertibleToInteger<const char*>::value, WTF_IsConvertibleToInteger_const_char_pointer_false); 95 COMPILE_ASSERT(!IsConvertibleToInteger<volatile char*>::value, WTF_IsConvertibleToInteger_volatile_char_pointer_false); 96 COMPILE_ASSERT(!IsConvertibleToInteger<IsConvertibleToInteger<bool> >::value, WTF_IsConvertibleToInteger_struct_false); 97 98 COMPILE_ASSERT((IsSameType<bool, bool>::value), WTF_IsSameType_bool_true); 99 COMPILE_ASSERT((IsSameType<int*, int*>::value), WTF_IsSameType_int_pointer_true); 100 COMPILE_ASSERT((!IsSameType<int, int*>::value), WTF_IsSameType_int_int_pointer_false); 101 COMPILE_ASSERT((!IsSameType<bool, const bool>::value), WTF_IsSameType_const_change_false); 102 COMPILE_ASSERT((!IsSameType<bool, volatile bool>::value), WTF_IsSameType_volatile_change_false); 103 104 template <typename T> 105 class TestBaseClass { 106 }; 107 108 class TestDerivedClass : public TestBaseClass<int> { 109 }; 110 111 COMPILE_ASSERT((IsSubclass<TestDerivedClass, TestBaseClass<int> >::value), WTF_Test_IsSubclass_Derived_From_Base); 112 COMPILE_ASSERT((!IsSubclass<TestBaseClass<int>, TestDerivedClass>::value), WTF_Test_IsSubclass_Base_From_Derived); 113 COMPILE_ASSERT((IsSubclassOfTemplate<TestDerivedClass, TestBaseClass>::value), WTF_Test_IsSubclassOfTemplate_Base_From_Derived); 114 COMPILE_ASSERT((IsSameType<RemoveTemplate<TestBaseClass<int>, TestBaseClass>::Type, int>::value), WTF_Test_RemoveTemplate); 115 COMPILE_ASSERT((IsSameType<RemoveTemplate<int, TestBaseClass>::Type, int>::value), WTF_Test_RemoveTemplate_WithoutTemplate); 116 117 118 COMPILE_ASSERT((IsSameType<bool, RemoveConst<const bool>::Type>::value), WTF_test_RemoveConst_const_bool); 119 COMPILE_ASSERT((!IsSameType<bool, RemoveConst<volatile bool>::Type>::value), WTF_test_RemoveConst_volatile_bool); 120 121 COMPILE_ASSERT((IsSameType<bool, RemoveVolatile<bool>::Type>::value), WTF_test_RemoveVolatile_bool); 122 COMPILE_ASSERT((!IsSameType<bool, RemoveVolatile<const bool>::Type>::value), WTF_test_RemoveVolatile_const_bool); 123 COMPILE_ASSERT((IsSameType<bool, RemoveVolatile<volatile bool>::Type>::value), WTF_test_RemoveVolatile_volatile_bool); 124 125 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<bool>::Type>::value), WTF_test_RemoveConstVolatile_bool); 126 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<const bool>::Type>::value), WTF_test_RemoveConstVolatile_const_bool); 127 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<volatile bool>::Type>::value), WTF_test_RemoveConstVolatile_volatile_bool); 128 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<const volatile bool>::Type>::value), WTF_test_RemoveConstVolatile_const_volatile_bool); 129 130 COMPILE_ASSERT((IsSameType<int, RemovePointer<int>::Type>::value), WTF_Test_RemovePointer_int); 131 COMPILE_ASSERT((IsSameType<int, RemovePointer<int*>::Type>::value), WTF_Test_RemovePointer_int_pointer); 132 COMPILE_ASSERT((!IsSameType<int, RemovePointer<int**>::Type>::value), WTF_Test_RemovePointer_int_pointer_pointer); 133 134 } // namespace WTF 135
