1 files changed, 60 insertions, 0 deletions
diff --git a/public/tier0/testthread.h b/public/tier0/testthread.h
new file mode 100644
index 0000000..6ffda65
--- /dev/null
+++ b/public/tier0/testthread.h
@@ -0,0 +1,60 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: exposes testing thread functions
+//
+//=============================================================================
+
+#ifndef TESTTHREAD_H
+#define TESTTHREAD_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier0/dbg.h"
+
+// test callback
+typedef void (STDCALL *TestFunc)(void *pv);
+
+// runs the test function
+DBG_INTERFACE void Test_RunTest(TestFunc func, void *pvArg);
+
+// call to give the test thread a chance to run
+// calling thread will block until the test thread yields
+// doesn't do anything if no tests are running
+DBG_INTERFACE void Test_RunFrame();
+
+// true if any tests are running, or have ran
+DBG_INTERFACE bool Test_IsActive();
+
+// sets that the test has failed
+DBG_INTERFACE void Test_SetFailed();
+
+// true if any tests have failed, due to an assert, warning, or explicit fail
+DBG_INTERFACE bool Test_HasFailed();
+
+// true if any tests have completed
+DBG_INTERFACE bool Test_HasFinished();
+
+// terminates the test thread
+DBG_INTERFACE void Test_TerminateThread();
+
+// the following functions should only be called from the test thread
+
+// yields to the main thread for a single frame
+// passing in is a count of the number of frames that have been yielded by this yield macro
+// can be used to assert if a test thread is blocked foor
+DBG_INTERFACE void TestThread_Yield();
+
+// utility functions to pause the test frame until the selected condition is true
+#define YIELD_UNTIL(x) { int iYieldCount = 0; while (!(x)) { TestThread_Yield(); iYieldCount++; if ( iYieldCount >= 100 ) { AssertMsg( false, #x ); break; } } }
+
+// use this like a while(1) loop, with break; to stop yielding
+#define YIELD_UNTIL_BREAK() for (; true; TestThread_Yield())
+
+// yields for a single frame
+#define YIELD_FRAME() { TestThread_Yield(); }
+#define YIELD_TWO_FRAMES() { TestThread_Yield(); TestThread_Yield(); }
+
+
+
+#endif // TESTTHREAD_H