wxWidgets/tests/thread/tls.cpp

129 lines
3.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/thread/tls.cpp
// Purpose: wxTlsValue unit test
// Author: Vadim Zeitlin
// Created: 2008-08-28
// Copyright: (c) 2008 Vadim Zeitlin
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifndef WX_PRECOMP
#endif // WX_PRECOMP
#include "wx/thread.h"
#include "wx/tls.h"
#include <string>
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
namespace
{
// NB: this struct must be a POD, so don't use wxString as its member
struct PerThreadData
{
const char *name;
int number;
};
wxTLS_TYPE(PerThreadData) gs_threadDataVar;
#define gs_threadData wxTLS_VALUE(gs_threadDataVar)
wxTLS_TYPE(int) gs_threadIntVar;
#define gs_threadInt wxTLS_VALUE(gs_threadIntVar)
// ----------------------------------------------------------------------------
// test thread
// ----------------------------------------------------------------------------
// this thread arbitrarily modifies all global thread-specific variables to
// make sure that the changes in it are not visible from the main thread
class TLSTestThread : public wxThread
{
public:
// ctor both creates and starts the thread
TLSTestThread() : wxThread(wxTHREAD_JOINABLE) { Create(); Run(); }
virtual void *Entry() wxOVERRIDE
{
gs_threadInt = 17;
gs_threadData.name = "worker";
gs_threadData.number = 2;
// We can't use Catch asserts outside of the main thread,
// unfortunately.
wxASSERT( gs_threadData.name == std::string("worker") );
wxASSERT( gs_threadData.number == 2 );
return NULL;
}
};
} // anonymous namespace
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class TLSTestCase : public CppUnit::TestCase
{
public:
TLSTestCase() { }
private:
CPPUNIT_TEST_SUITE( TLSTestCase );
CPPUNIT_TEST( TestInt );
CPPUNIT_TEST( TestStruct );
CPPUNIT_TEST_SUITE_END();
void TestInt();
void TestStruct();
wxDECLARE_NO_COPY_CLASS(TLSTestCase);
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( TLSTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TLSTestCase, "TLSTestCase" );
void TLSTestCase::TestInt()
{
CPPUNIT_ASSERT_EQUAL( 0, gs_threadInt );
gs_threadInt++;
CPPUNIT_ASSERT_EQUAL( 1, gs_threadInt );
TLSTestThread().Wait();
CPPUNIT_ASSERT_EQUAL( 1, gs_threadInt );
}
void TLSTestCase::TestStruct()
{
CPPUNIT_ASSERT_EQUAL( NULL, gs_threadData.name );
CPPUNIT_ASSERT_EQUAL( 0, gs_threadData.number );
gs_threadData.name = "main";
gs_threadData.number = 1;
CPPUNIT_ASSERT_EQUAL( 1, gs_threadData.number );
TLSTestThread().Wait();
CPPUNIT_ASSERT_EQUAL( std::string("main"), gs_threadData.name );
CPPUNIT_ASSERT_EQUAL( 1, gs_threadData.number );
}