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#ifndef __cxxtest__ErrorFormatter_h__
#define __cxxtest__ErrorFormatter_h__
//
// The ErrorFormatter is a TestListener that
// prints reports of the errors to an output
// stream. Since we cannot rely ou the standard
// iostreams, this header defines a base class
// analogout to std::ostream.
//
#include <cxxtest/TestRunner.h>
#include <cxxtest/TestListener.h>
#include <cxxtest/TestTracker.h>
#include <cxxtest/ValueTraits.h>
namespace CxxTest
{
class OutputStream
{
public:
virtual ~OutputStream() {}
virtual void flush() {}
virtual OutputStream &operator<<( unsigned /*number*/ ) { return *this; }
virtual OutputStream &operator<<( const char * /*string*/ ) { return *this; }
typedef void (*Manipulator)( OutputStream & );
virtual OutputStream &operator<<( Manipulator m ) { m( *this ); return *this; }
static void endl( OutputStream &o ) { (o << "\n").flush(); }
};
class ErrorFormatter : public TestListener
{
public:
ErrorFormatter( OutputStream *o, const char *preLine = ":", const char *postLine = "" ) :
_dotting( true ),
_reported( false ),
_o(o),
_preLine(preLine),
_postLine(postLine)
{
}
int run()
{
TestRunner::runAllTests( *this );
return tracker().failedTests();
}
void enterWorld( const WorldDescription & /*desc*/ )
{
(*_o) << "Running " << totalTests;
_o->flush();
_dotting = true;
_reported = false;
}
static void totalTests( OutputStream &o )
{
char s[WorldDescription::MAX_STRLEN_TOTAL_TESTS];
const WorldDescription &wd = tracker().world();
o << wd.strTotalTests( s ) << (wd.numTotalTests() == 1 ? " test" : " tests");
}
void enterSuite( const SuiteDescription & )
{
_reported = false;
}
void enterTest( const TestDescription & )
{
_reported = false;
}
void leaveTest( const TestDescription & )
{
if ( !tracker().testFailed() ) {
((*_o) << ".").flush();
_dotting = true;
}
}
void leaveWorld( const WorldDescription &desc )
{
if ( !tracker().failedTests() ) {
(*_o) << "OK!" << endl;
return;
}
newLine();
(*_o) << "Failed " << tracker().failedTests() << " of " << totalTests << endl;
unsigned numPassed = desc.numTotalTests() - tracker().failedTests();
(*_o) << "Success rate: " << (numPassed * 100 / desc.numTotalTests()) << "%" << endl;
}
void trace( const char *file, unsigned line, const char *expression )
{
stop( file, line ) << "Trace: " <<
expression << endl;
}
void warning( const char *file, unsigned line, const char *expression )
{
stop( file, line ) << "Warning: " <<
expression << endl;
}
void failedTest( const char *file, unsigned line, const char *expression )
{
stop( file, line ) << "Error: Test failed: " <<
expression << endl;
}
void failedAssert( const char *file, unsigned line, const char *expression )
{
stop( file, line ) << "Error: Assertion failed: " <<
expression << endl;
}
void failedAssertEquals( const char *file, unsigned line,
const char *xStr, const char *yStr,
const char *x, const char *y )
{
stop( file, line ) << "Error: Expected (" <<
xStr << " == " << yStr << "), found (" <<
x << " != " << y << ")" << endl;
}
void failedAssertSameData( const char *file, unsigned line,
const char *xStr, const char *yStr,
const char *sizeStr, const void *x,
const void *y, unsigned size )
{
stop( file, line ) << "Error: Expected " << sizeStr << " (" << size << ") bytes to be equal at (" <<
xStr << ") and (" << yStr << "), found:" << endl;
dump( x, size );
(*_o) << " differs from" << endl;
dump( y, size );
}
void failedAssertDelta( const char *file, unsigned line,
const char *xStr, const char *yStr, const char *dStr,
const char *x, const char *y, const char *d )
{
stop( file, line ) << "Error: Expected (" <<
xStr << " == " << yStr << ") up to " << dStr << " (" << d << "), found (" <<
x << " != " << y << ")" << endl;
}
void failedAssertDiffers( const char *file, unsigned line,
const char *xStr, const char *yStr,
const char *value )
{
stop( file, line ) << "Error: Expected (" <<
xStr << " != " << yStr << "), found (" <<
value << ")" << endl;
}
void failedAssertLessThan( const char *file, unsigned line,
const char *xStr, const char *yStr,
const char *x, const char *y )
{
stop( file, line ) << "Error: Expected (" <<
xStr << " < " << yStr << "), found (" <<
x << " >= " << y << ")" << endl;
}
void failedAssertLessThanEquals( const char *file, unsigned line,
const char *xStr, const char *yStr,
const char *x, const char *y )
{
stop( file, line ) << "Error: Expected (" <<
xStr << " <= " << yStr << "), found (" <<
x << " > " << y << ")" << endl;
}
void failedAssertRelation( const char *file, unsigned line,
const char *relation, const char *xStr, const char *yStr,
const char *x, const char *y )
{
stop( file, line ) << "Error: Expected " << relation << "( " <<
xStr << ", " << yStr << " ), found !" << relation << "( " << x << ", " << y << " )" << endl;
}
void failedAssertPredicate( const char *file, unsigned line,
const char *predicate, const char *xStr, const char *x )
{
stop( file, line ) << "Error: Expected " << predicate << "( " <<
xStr << " ), found !" << predicate << "( " << x << " )" << endl;
}
void failedAssertThrows( const char *file, unsigned line,
const char *expression, const char *type,
bool otherThrown )
{
stop( file, line ) << "Error: Expected (" << expression << ") to throw (" <<
type << ") but it " << (otherThrown ? "threw something else" : "didn't throw") <<
endl;
}
void failedAssertThrowsNot( const char *file, unsigned line, const char *expression )
{
stop( file, line ) << "Error: Expected (" << expression << ") not to throw, but it did" <<
endl;
}
protected:
OutputStream *outputStream() const
{
return _o;
}
private:
ErrorFormatter( const ErrorFormatter & );
ErrorFormatter &operator=( const ErrorFormatter & );
OutputStream &stop( const char *file, unsigned line )
{
newLine();
reportTest();
return (*_o) << file << _preLine << line << _postLine << ": ";
}
void newLine( void )
{
if ( _dotting ) {
(*_o) << endl;
_dotting = false;
}
}
void reportTest( void )
{
if( _reported )
return;
(*_o) << "In " << tracker().suite().suiteName() << "::" << tracker().test().testName() << ":" << endl;
_reported = true;
}
void dump( const void *buffer, unsigned size )
{
if ( !buffer )
dumpNull();
else
dumpBuffer( buffer, size );
}
void dumpNull()
{
(*_o) << " (null)" << endl;
}
void dumpBuffer( const void *buffer, unsigned size )
{
unsigned dumpSize = size;
if ( maxDumpSize() && dumpSize > maxDumpSize() )
dumpSize = maxDumpSize();
const unsigned char *p = (const unsigned char *)buffer;
(*_o) << " { ";
for ( unsigned i = 0; i < dumpSize; ++ i )
(*_o) << byteToHex( *p++ ) << " ";
if ( dumpSize < size )
(*_o) << "... ";
(*_o) << "}" << endl;
}
static void endl( OutputStream &o )
{
OutputStream::endl( o );
}
bool _dotting;
bool _reported;
OutputStream *_o;
const char *_preLine;
const char *_postLine;
};
}
#endif // __cxxtest__ErrorFormatter_h__
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