ENH: add the ability to block popup error dialogs in tests on windows

Source/cmCTest.cxx

@@ -359,6 +359,7 @@ cmCTest::cmCTest()
   m_ShowOnly               = false;
   m_RunConfigurationScript = false;
   m_TestModel              = cmCTest::EXPERIMENTAL;
+  m_InteractiveDebugMode   = true;
   m_TimeOut                = 0;
   m_CompatibilityMode      = 0;
   int cc; 
@@ -370,6 +371,11 @@ cmCTest::cmCTest()
 
 int cmCTest::Initialize()
 {
+  if(!m_InteractiveDebugMode)
+    {
+    this->BlockTestErrorDiagnostics();
+    }
+  
   m_ToplevelPath = cmSystemTools::GetCurrentWorkingDirectory();
   cmSystemTools::ConvertToUnixSlashes(m_ToplevelPath);
   if ( !this->ReadCustomConfigurationFileTree(m_ToplevelPath.c_str()) )
@@ -512,6 +518,21 @@ void cmCTest::UpdateCTestConfiguration()
     }
 }
 
+void cmCTest::BlockTestErrorDiagnostics()
+{
+  cmSystemTools::PutEnv("DART_TEST_FROM_DART=1");
+  cmSystemTools::PutEnv("DASHBOARD_TEST_FROM_CTEST=1");
+#if defined(_WIN32)
+  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX); 
+#endif
+}
+
+void cmCTest::SetTestModel(int mode)
+{
+  m_InteractiveDebugMode = false;
+  m_TestModel = mode;
+}
+
 bool cmCTest::SetTest(const char* ttype)
 {
   if ( cmSystemTools::LowerCase(ttype) == "all" )
@@ -4148,6 +4169,11 @@ int cmCTest::Run(std::vector<std::string>const& args, std::string* output)
       {
       m_TomorrowTag = true;
       }
+    if( arg.find("--interactive-debug-mode",0) == 0 && i < args.size() - 1 )
+      {
+      i++;
+      m_InteractiveDebugMode = cmSystemTools::IsOn(args[i].c_str());
+      }
     if( arg.find("--compatibility-mode",0) == 0 )
       {
       m_CompatibilityMode = true;

Source/cmCTest.h

@@ -117,10 +117,7 @@ public:
   /**
    * Set the cmake test mode (experimental, nightly, continuous).
    */
-  void SetTestModel(int mode)
-    {
-    m_TestModel = mode;
-    }
+  void SetTestModel(int mode);
 
   std::string GetTestModelString();
   static int GetTestModelFromString(const char* str);
@@ -356,7 +353,10 @@ private:
   tm_VectorOfStrings       m_CustomPostTest;
   tm_VectorOfStrings       m_CustomPreMemCheck;
   tm_VectorOfStrings       m_CustomPostMemCheck;
-
+  bool                     m_InteractiveDebugMode;
+  
+  void BlockTestErrorDiagnostics();
+  
   int ExecuteCommands(tm_VectorOfStrings& vec);
 
   /**