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tdepim/mimelib/test_boyermor.cpp

71 lines
2.4 KiB

#include <mimelib/boyermor.h>
#include <mimelib/string.h>
#include <iostream>
using std::cerr;
using std::cout;
using std::endl;
static const char * _haystack =
"haystackNeedleHaystackneedlehaYstackneeDlehaystack";
int main( int argc, char * argv[] ) {
if ( argc == 3 ) { // manual test
DwString needle( argv[1] );
DwString haystack( argv[2] );
DwBoyerMoore csbm( needle ); // case-sensitive
DwBoyerMoore cisbm( needle ); // case-insensitive
cout << "Case-sensitive search found ";
for ( size_t idx = 0 ; ( idx = csbm.FindIn( haystack, idx ) ) != DwString::npos ; ++idx )
cout << (int)idx << " ";
cout << endl;
cout << "Case-insensitive search found ";
for ( size_t idx = 0 ; ( idx = cisbm.FindIn( haystack, idx, false ) ) != DwString::npos ; ++idx )
cout << (int)idx << " ";
cout << endl;
exit( 0 );
} else if ( argc == 1 ) { // automated test
DwString haystack( _haystack );
DwBoyerMoore needle_cs( "needle" );
DwBoyerMoore needle_cis( "needle" );
DwBoyerMoore Needle_cs( "Needle" );
DwBoyerMoore Needle_cis( "Needle" );
DwBoyerMoore neeDle_cs( "neeDle" );
DwBoyerMoore neeDle_cis( "neeDle" );
assert( needle_cs.FindIn( haystack, 0 ) == 22 );
assert( needle_cs.FindIn( haystack, 23 ) == DwString::npos );
assert( needle_cis.FindIn( haystack, 0, false ) == 8 );
assert( needle_cis.FindIn( haystack, 9, false ) == 22 );
assert( needle_cis.FindIn( haystack, 23, false ) == 36 );
assert( needle_cis.FindIn( haystack, 37, false ) == DwString::npos );
assert( Needle_cs.FindIn( haystack, 0 ) == 8 );
assert( Needle_cs.FindIn( haystack, 9 ) == DwString::npos );
assert( Needle_cis.FindIn( haystack, 0, false ) == 8 );
assert( Needle_cis.FindIn( haystack, 9, false ) == 22 );
assert( Needle_cis.FindIn( haystack, 23, false ) == 36 );
assert( Needle_cis.FindIn( haystack, 37, false ) == DwString::npos );
assert( neeDle_cs.FindIn( haystack, 0 ) == 36 );
assert( neeDle_cs.FindIn( haystack, 37 ) == DwString::npos );
assert( neeDle_cis.FindIn( haystack, 0, false ) == 8 );
assert( neeDle_cis.FindIn( haystack, 9, false ) == 22 );
assert( neeDle_cis.FindIn( haystack, 23, false ) == 36 );
assert( neeDle_cis.FindIn( haystack, 37, false ) == DwString::npos );
} else {
cerr << "usage: test_boyermor [ <needle> <haystack> ]" << endl;
exit( 1 );
}
return 0;
};