Ported platform timer test.

Engine/source/platform/test/platformTimerTest.cpp

@@ -0,0 +1,93 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2014 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#ifdef TORQUE_TESTS_ENABLED
+#include "testing/unitTesting.h"
+#include "platform/platformTimer.h"
+#include "core/util/journal/process.h"
+#include "math/mMath.h"
+
+TEST(Platform, AdvanceTime)
+{
+   U32 time = Platform::getVirtualMilliseconds();
+   Platform::advanceTime(10);
+   U32 newTime = Platform::getVirtualMilliseconds();
+   EXPECT_EQ(10, newTime - time)
+      << "We advanced 10ms but didn't get a 10ms delta!";
+}
+
+TEST(Platform, Sleep)
+{
+   U32 start = Platform::getRealMilliseconds();
+   Platform::sleep(500);
+   U32 end = Platform::getRealMilliseconds();
+   EXPECT_GE(end - start, 500)
+      << "We didn't sleep at least as long as we requested!";
+};
+
+TEST(TimeManager, BasicAPI)
+{
+   struct handle
+   {
+      S32 mElapsedTime;
+      S32 mNumberCalls;
+
+      void timeEvent(S32 timeDelta)
+      {
+         mElapsedTime += timeDelta;
+         mNumberCalls++;
+      
+         if(mElapsedTime >= 1000)
+            Process::requestShutdown();
+      }
+   } handler;
+
+   handler.mElapsedTime = handler.mNumberCalls = 0;
+
+   // Initialize the time manager...
+   TimeManager time;
+   time.timeEvent.notify(&handler, &handle::timeEvent);
+
+   // Event loop till at least one second has passed.
+   const U32 start = Platform::getRealMilliseconds();
+
+   while(Process::processEvents())
+   {
+      // If we go too long, kill it off...
+      if(Platform::getRealMilliseconds() - start > 30*1000)
+      {
+         EXPECT_TRUE(false)
+            << "Terminated process loop due to watchdog, not due to time manager event, after 30 seconds.";
+         Process::requestShutdown();
+      }
+   }
+   const U32 end = Platform::getRealMilliseconds();
+
+   // Now, confirm we have approximately similar elapsed times.
+   S32 elapsedRealTime = end - start;
+   EXPECT_LT(mAbs(elapsedRealTime - handler.mElapsedTime), 50)
+      << "Failed to elapse time to within the desired tolerance.";
+   EXPECT_GT(handler.mNumberCalls, 0)
+      << "Somehow got no event callbacks from TimeManager?";
+};
+
+#endif