| 1 | /* $Id: tstRTAssertCompile.cpp 62477 2016-07-22 18:27:37Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT Testcase - AssertCompile* - A Compile Time Testcase.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2010-2016 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | */
|
|---|
| 26 |
|
|---|
| 27 |
|
|---|
| 28 | /*********************************************************************************************************************************
|
|---|
| 29 | * Header Files *
|
|---|
| 30 | *********************************************************************************************************************************/
|
|---|
| 31 | #include <iprt/assert.h>
|
|---|
| 32 |
|
|---|
| 33 |
|
|---|
| 34 | int main(int argc, char **argv)
|
|---|
| 35 | {
|
|---|
| 36 | /* Only positive tests here. */
|
|---|
| 37 | NOREF(argc); NOREF(argv);
|
|---|
| 38 |
|
|---|
| 39 | AssertCompile(true);
|
|---|
| 40 | AssertCompile(1);
|
|---|
| 41 | AssertCompile(2);
|
|---|
| 42 | AssertCompile(99);
|
|---|
| 43 |
|
|---|
| 44 | uint8_t u8; NOREF( u8);
|
|---|
| 45 | uint16_t u16; NOREF(u16);
|
|---|
| 46 | uint32_t u32; NOREF(u32);
|
|---|
| 47 | uint64_t u64; NOREF(u64);
|
|---|
| 48 | AssertCompileSize( u8, 1);
|
|---|
| 49 | AssertCompileSize(u16, 2);
|
|---|
| 50 | AssertCompileSize(u32, 4);
|
|---|
| 51 | AssertCompileSize(u64, 8);
|
|---|
| 52 |
|
|---|
| 53 | AssertCompileSizeAlignment( u8, 1);
|
|---|
| 54 | AssertCompileSizeAlignment(u16, 1);
|
|---|
| 55 | AssertCompileSizeAlignment(u16, 2);
|
|---|
| 56 | AssertCompileSizeAlignment(u32, 1);
|
|---|
| 57 | AssertCompileSizeAlignment(u32, 2);
|
|---|
| 58 | AssertCompileSizeAlignment(u32, 4);
|
|---|
| 59 | AssertCompileSizeAlignment(u64, 1);
|
|---|
| 60 | AssertCompileSizeAlignment(u64, 2);
|
|---|
| 61 | AssertCompileSizeAlignment(u64, 4);
|
|---|
| 62 | AssertCompileSizeAlignment(u64, 8);
|
|---|
| 63 |
|
|---|
| 64 | typedef struct STRUCT12S
|
|---|
| 65 | {
|
|---|
| 66 | uint8_t u8;
|
|---|
| 67 | uint8_t au8[8];
|
|---|
| 68 | uint64_t u64;
|
|---|
| 69 | uint8_t u8UnalignmentFiller1;
|
|---|
| 70 | uint32_t u32;
|
|---|
| 71 | uint8_t u8UnalignmentFiller2;
|
|---|
| 72 | uint16_t u16;
|
|---|
| 73 | const char *psz;
|
|---|
| 74 | uint32_t u32A;
|
|---|
| 75 | uint32_t u32B;
|
|---|
| 76 | } STRUCT1, STRUCT2;
|
|---|
| 77 |
|
|---|
| 78 | AssertCompileMemberSize(STRUCT1, u8, 1);
|
|---|
| 79 | AssertCompileMemberSize(STRUCT1, u16, 2);
|
|---|
| 80 | AssertCompileMemberSize(STRUCT1, u32, 4);
|
|---|
| 81 | AssertCompileMemberSize(STRUCT1, u64, 8);
|
|---|
| 82 |
|
|---|
| 83 | AssertCompileMemberSizeAlignment(STRUCT1, u8, 1);
|
|---|
| 84 | AssertCompileMemberSizeAlignment(STRUCT1, u16, 1);
|
|---|
| 85 | AssertCompileMemberSizeAlignment(STRUCT1, u16, 2);
|
|---|
| 86 | AssertCompileMemberSizeAlignment(STRUCT1, u32, 1);
|
|---|
| 87 | AssertCompileMemberSizeAlignment(STRUCT1, u32, 2);
|
|---|
| 88 | AssertCompileMemberSizeAlignment(STRUCT1, u32, 4);
|
|---|
| 89 | AssertCompileMemberSizeAlignment(STRUCT1, u64, 1);
|
|---|
| 90 | AssertCompileMemberSizeAlignment(STRUCT1, u64, 2);
|
|---|
| 91 | AssertCompileMemberSizeAlignment(STRUCT1, u64, 4);
|
|---|
| 92 | AssertCompileMemberSizeAlignment(STRUCT1, u64, 8);
|
|---|
| 93 | AssertCompileMemberSizeAlignment(STRUCT1, psz, sizeof(void *));
|
|---|
| 94 |
|
|---|
| 95 | AssertCompileMemberAlignment(STRUCT1, u8, 1);
|
|---|
| 96 | AssertCompileMemberAlignment(STRUCT1, u16, 1);
|
|---|
| 97 | AssertCompileMemberAlignment(STRUCT1, u16, 2);
|
|---|
| 98 | AssertCompileMemberAlignment(STRUCT1, u32, 1);
|
|---|
| 99 | AssertCompileMemberAlignment(STRUCT1, u32, 2);
|
|---|
| 100 | AssertCompileMemberAlignment(STRUCT1, u32, 4);
|
|---|
| 101 | AssertCompileMemberAlignment(STRUCT1, u64, 1);
|
|---|
| 102 | AssertCompileMemberAlignment(STRUCT1, u64, 2);
|
|---|
| 103 | AssertCompileMemberAlignment(STRUCT1, u64, 4);
|
|---|
| 104 | #if defined(__GNUC__) && ARCH_BITS >= 64
|
|---|
| 105 | AssertCompileMemberAlignment(STRUCT1, u64, 8);
|
|---|
| 106 | #endif
|
|---|
| 107 | AssertCompileMemberAlignment(STRUCT1, psz, sizeof(void *));
|
|---|
| 108 |
|
|---|
| 109 | AssertCompileMemberOffset(STRUCT1, u8, 0);
|
|---|
| 110 | AssertCompileMemberOffset(STRUCT1, au8, 1);
|
|---|
| 111 | #ifndef _MSC_VER /** @todo figure out why MSC has trouble with these expressions */
|
|---|
| 112 | AssertCompileMemberOffset(STRUCT1, au8[0], 1);
|
|---|
| 113 | AssertCompileMemberOffset(STRUCT1, au8[8], 9);
|
|---|
| 114 | #endif
|
|---|
| 115 |
|
|---|
| 116 | typedef union UNION1U
|
|---|
| 117 | {
|
|---|
| 118 | STRUCT1 s1;
|
|---|
| 119 | STRUCT2 s2;
|
|---|
| 120 | } UNION1;
|
|---|
| 121 |
|
|---|
| 122 | AssertCompile2MemberOffsets(UNION1, s1.u8, s2.u8);
|
|---|
| 123 | AssertCompile2MemberOffsets(UNION1, s1.u16, s2.u16);
|
|---|
| 124 | AssertCompile2MemberOffsets(UNION1, s1.u32, s2.u32);
|
|---|
| 125 | AssertCompile2MemberOffsets(UNION1, s1.u64, s2.u64);
|
|---|
| 126 | AssertCompile2MemberOffsets(UNION1, s1.psz, s2.psz);
|
|---|
| 127 |
|
|---|
| 128 | AssertCompileAdjacentMembers(STRUCT1, u32A, u32B);
|
|---|
| 129 | AssertCompileAdjacentMembers(STRUCT1, u8, au8);
|
|---|
| 130 | #ifndef _MSC_VER /** @todo figure out why MSC has trouble with these expressions */
|
|---|
| 131 | AssertCompileAdjacentMembers(STRUCT1, u8, au8[0]);
|
|---|
| 132 | AssertCompileAdjacentMembers(STRUCT1, au8[0], au8[1]);
|
|---|
| 133 | #endif
|
|---|
| 134 |
|
|---|
| 135 | AssertCompileMembersAtSameOffset(STRUCT1, u8, STRUCT2, u8);
|
|---|
| 136 | AssertCompileMembersAtSameOffset(STRUCT1, au8, STRUCT2, au8);
|
|---|
| 137 | AssertCompileMembersAtSameOffset(STRUCT1, u16, STRUCT2, u16);
|
|---|
| 138 | AssertCompileMembersAtSameOffset(STRUCT1, u32, STRUCT2, u32);
|
|---|
| 139 | AssertCompileMembersAtSameOffset(STRUCT1, u64, STRUCT2, u64);
|
|---|
| 140 |
|
|---|
| 141 | AssertCompileMembersSameSize(STRUCT1, u8, STRUCT2, u8);
|
|---|
| 142 | AssertCompileMembersSameSize(STRUCT1, au8, STRUCT2, au8);
|
|---|
| 143 | AssertCompileMembersSameSize(STRUCT1, u16, STRUCT2, u16);
|
|---|
| 144 | AssertCompileMembersSameSize(STRUCT1, u32, STRUCT2, u32);
|
|---|
| 145 | AssertCompileMembersSameSize(STRUCT1, u64, STRUCT2, u64);
|
|---|
| 146 |
|
|---|
| 147 | AssertCompileMembersSameSizeAndOffset(STRUCT1, u8, STRUCT2, u8);
|
|---|
| 148 | AssertCompileMembersSameSizeAndOffset(STRUCT1, au8, STRUCT2, au8);
|
|---|
| 149 | AssertCompileMembersSameSizeAndOffset(STRUCT1, u16, STRUCT2, u16);
|
|---|
| 150 | AssertCompileMembersSameSizeAndOffset(STRUCT1, u32, STRUCT2, u32);
|
|---|
| 151 | AssertCompileMembersSameSizeAndOffset(STRUCT1, u64, STRUCT2, u64);
|
|---|
| 152 |
|
|---|
| 153 | /*
|
|---|
| 154 | * Check some cdefs.h macros while where here, we'll be using
|
|---|
| 155 | * AssertCompile so it's kind of related.
|
|---|
| 156 | */
|
|---|
| 157 | #ifdef RT_COMPILER_SUPPORTS_VA_ARGS
|
|---|
| 158 | AssertCompile(RT_COUNT_VA_ARGS() == 0);
|
|---|
| 159 | AssertCompile(RT_COUNT_VA_ARGS(asdf) == 1);
|
|---|
| 160 | AssertCompile(RT_COUNT_VA_ARGS(yyyy) == 1);
|
|---|
| 161 | AssertCompile(RT_COUNT_VA_ARGS(_) == 1);
|
|---|
| 162 | AssertCompile(RT_COUNT_VA_ARGS(1, 2, 3, 4, 5, 6, 7, 8, 9, 0) == 10);
|
|---|
| 163 | #endif
|
|---|
| 164 | return 0;
|
|---|
| 165 | }
|
|---|
| 166 |
|
|---|
