/usr/include/wibble/test.h is in libwibble-dev 1.1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | // -*- C++ -*-
#include <wibble/string.h>
#include <iostream>
#include <cstdlib>
#ifndef WIBBLE_TEST_H
#define WIBBLE_TEST_H
namespace wibble {
// TODO use TLS
extern int assertFailure;
struct Location {
const char *file;
int line, iteration;
std::string stmt;
Location( const char *f, int l, std::string st, int iter = -1 )
: file( f ), line( l ), iteration( iter ), stmt( st ) {}
};
#define LOCATION(stmt) ::wibble::Location( __FILE__, __LINE__, stmt )
#undef assert // silence a gcc warning if we had assert.h included
#ifndef NDEBUG
#define LOCATION_I(stmt, i) ::wibble::Location( __FILE__, __LINE__, stmt, i )
#define assert(x) assert_fn( LOCATION( #x ), x )
#define assert_pred(p, x) assert_pred_fn( \
LOCATION( #p "( " #x " )" ), x, p( x ) )
#define assert_eq(x, y) assert_eq_fn( LOCATION( #x " == " #y ), x, y )
#define assert_leq(x, y) assert_leq_fn( LOCATION( #x " <= " #y ), x, y )
#define assert_eq_l(i, x, y) assert_eq_fn( LOCATION_I( #x " == " #y, i ), x, y )
#define assert_neq(x, y) assert_neq_fn( LOCATION( #x " != " #y ), x, y )
#define assert_list_eq(x, y) \
assert_list_eq_fn( LOCATION( #x " == " #y ), \
sizeof( y ) / sizeof( y[0] ), x, y )
#else
#define assert(x) ((void)0)
#define assert_pred(p, x) ((void)0)
#define assert_eq(x, y) ((void)0)
#define assert_leq(x, y) ((void)0)
#define assert_eq_l(i, x, y) ((void)0)
#define assert_neq(x, y) ((void)0)
#define assert_list_eq(x, y) ((void)0)
#endif
#define assert_unreachable(...) assert_die_fn( LOCATION( wibble::str::fmtf(__VA_ARGS__) ) )
#define assert_unimplemented() assert_die_fn( LOCATION( "not imlemented" ) )
#define assert_die() assert_die_fn( LOCATION( "forbidden code path tripped" ) )
struct AssertFailed {
std::ostream &stream;
std::ostringstream str;
bool expect;
AssertFailed( Location l, std::ostream &s = std::cerr )
: stream( s )
{
expect = assertFailure > 0;
str << l.file << ": " << l.line;
if ( l.iteration != -1 )
str << " (iteration " << l.iteration << ")";
str << ": assertion `" << l.stmt << "' failed;";
}
~AssertFailed() {
if ( expect )
++assertFailure;
else {
stream << str.str() << std::endl;
abort();
}
}
};
template< typename X >
inline AssertFailed &operator<<( AssertFailed &f, X x )
{
f.str << x;
return f;
}
template< typename X >
void assert_fn( Location l, X x )
{
if ( !x ) {
AssertFailed f( l );
}
}
void assert_die_fn( Location l ) __attribute__((noreturn));
template< typename X, typename Y >
void assert_eq_fn( Location l, X x, Y y )
{
if ( !( x == y ) ) {
AssertFailed f( l );
f << " got ["
<< x << "] != [" << y
<< "] instead";
}
}
template< typename X, typename Y >
void assert_leq_fn( Location l, X x, Y y )
{
if ( !( x <= y ) ) {
AssertFailed f( l );
f << " got ["
<< x << "] > [" << y
<< "] instead";
}
}
template< typename X >
void assert_pred_fn( Location l, X x, bool p )
{
if ( !p ) {
AssertFailed f( l );
f << " for " << x;
}
}
template< typename X >
void assert_list_eq_fn(
Location loc, int c, X l, const typename X::Type check[] )
{
int i = 0;
while ( !l.empty() ) {
if ( l.head() != check[ i ] ) {
AssertFailed f( loc );
f << " list disagrees at position "
<< i << ": [" << wibble::str::fmt( l.head() )
<< "] != [" << wibble::str::fmt( check[ i ] )
<< "]";
}
l = l.tail();
++ i;
}
if ( i != c ) {
AssertFailed f( loc );
f << " got ["
<< i << "] != [" << c << "] instead";
}
}
template< typename X, typename Y >
void assert_neq_fn( Location l, X x, Y y )
{
if ( x != y )
return;
AssertFailed f( l );
f << " got ["
<< x << "] == [" << y << "] instead";
}
inline void beginAssertFailure() {
assertFailure = 1;
}
inline void endAssertFailure() {
#ifndef NDEBUG
const int f = assertFailure;
assertFailure = 0;
#endif
assert( f > 1 );
}
struct ExpectFailure {
ExpectFailure() { beginAssertFailure(); }
~ExpectFailure() { endAssertFailure(); }
};
}
typedef void Test;
#endif
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