Allowed tests to pull more than one line of output in their quantum. Fixed uninitialized variables in the case that the test process could not start.

Source/CTest/cmCTestMultiProcessHandler.cxx

@@ -100,7 +100,8 @@ void cmCTestMultiProcessHandler::StartTestProcess(int test)
     }
   else
     {
-    testRun->EndTest(this->Completed, this->Total);
+    this->Completed++;
+    testRun->EndTest(this->Completed, this->Total, false);
     }
 }
 
@@ -209,7 +210,7 @@ bool cmCTestMultiProcessHandler::CheckOutput()
     cmCTestRunTest* p = *i;
     int test = p->GetIndex();
 
-    if(p->EndTest(this->Completed, this->Total))
+    if(p->EndTest(this->Completed, this->Total, true))
       {
       this->Passed->push_back(p->GetTestProperties()->Name);
       }

Source/CTest/cmCTestRunTest.cxx

@@ -38,25 +38,36 @@ bool cmCTestRunTest::IsRunning()
 void cmCTestRunTest::CheckOutput()
 {
   std::string out, err;
-  int pipe = this->TestProcess->CheckOutput(.1, out, err);
-  if(pipe == cmsysProcess_Pipe_STDOUT)
+  int pipe = this->TestProcess->CheckOutput(.1);
+  //start our timeout for reading the process output
+  double clock_start = cmSystemTools::GetTime();
+  while(this->TestProcess->GetNextOutputLine(out, err))
     {
-    cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, 
-               this->GetIndex() << ": " << out << std::endl);
-    this->ProcessOutput += out;
-    this->ProcessOutput += "\n";
-    }
-  else if(pipe == cmsysProcess_Pipe_STDERR)
-    {
-    cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, 
-               this->GetIndex() << ": " << err << std::endl);
-    this->ProcessOutput += err;
-    this->ProcessOutput += "\n";
+
+    if(pipe == cmsysProcess_Pipe_STDOUT)
+      {
+      cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, 
+                 this->GetIndex() << ": " << out << std::endl);
+      this->ProcessOutput += out;
+      this->ProcessOutput += "\n";
+      }
+    else if(pipe == cmsysProcess_Pipe_STDERR)
+      {
+      cmCTestLog(this->CTest, HANDLER_VERBOSE_OUTPUT, 
+                 this->GetIndex() << ": " << err << std::endl);
+      this->ProcessOutput += err;
+      this->ProcessOutput += "\n";
+      }
+    //timeout while reading process output (could denote infinite output)
+    if(cmSystemTools::GetTime() - clock_start > .1)
+      {
+      break;
+      }
     }
 }
 
 //---------------------------------------------------------
-bool cmCTestRunTest::EndTest(size_t completed, size_t total)
+bool cmCTestRunTest::EndTest(size_t completed, size_t total, bool started)
 {
   //restore the old environment
   if (this->ModifyEnv)
@@ -240,12 +251,14 @@ bool cmCTestRunTest::EndTest(size_t completed, size_t total)
       << "----------------------------------------------------------"
       << std::endl << std::endl;
     }
-  this->TestResult.Output = this->ProcessOutput;
-  this->TestResult.ReturnValue = this->TestProcess->GetExitValue();
-  this->TestResult.CompletionStatus = "Completed";
-  this->TestResult.ExecutionTime = this->TestProcess->GetTotalTime();
-  this->TestHandler->TestResults.push_back( this->TestResult );
-
+  if(started)
+    {
+    this->TestResult.Output = this->ProcessOutput;
+    this->TestResult.ReturnValue = this->TestProcess->GetExitValue();
+    this->TestResult.CompletionStatus = "Completed";
+    this->TestResult.ExecutionTime = this->TestProcess->GetTotalTime();
+    this->TestHandler->TestResults.push_back( this->TestResult );
+    }
   this->MemCheckPostProcess();
 
   delete this->TestProcess;
@@ -290,6 +303,7 @@ bool cmCTestRunTest::StartTest()
   this->TestResult.Properties = this->TestProperties;
   this->TestResult.ExecutionTime = 0;
   this->TestResult.ReturnValue = -1;
+  this->TestResult.CompletionStatus = "Not Run";
   this->TestResult.Status = cmCTestTestHandler::NOT_RUN;
   this->TestResult.TestCount = this->TestProperties->Index;  
   this->TestResult.Name = this->TestProperties->Name;

Source/CTest/cmCTestRunTest.h

@@ -56,7 +56,7 @@ public:
   //launch the test process, return whether it started correctly
   bool StartTest();
   //capture and report the test results
-  bool EndTest(size_t completed, size_t total);
+  bool EndTest(size_t completed, size_t total, bool started);
   //Called by ctest -N to log the command string
   void ComputeArguments();
 private:

Source/CTest/cmProcess.cxx

@@ -68,72 +68,80 @@ bool cmProcess::StartProcess()
   return (cmsysProcess_GetState(this->Process)
           == cmsysProcess_State_Executing);
 }
-  
-// return true if there is a new line of data
-// return false if there is no new data
-int cmProcess::CheckOutput(double timeout, 
-                            std::string& stdOutLine,
+
+bool cmProcess::GetNextOutputLine(std::string& stdOutLine,
                             std::string& stdErrLine)
 {
+  if(this->StdErrorBuffer.empty() && this->StdOutBuffer.empty())
+    {
+    return false;
+    }
   stdOutLine = "";
   stdErrLine = "";
   std::vector<char>::iterator outiter = 
     this->StdOutBuffer.begin();
   std::vector<char>::iterator erriter = 
     this->StdErrorBuffer.begin();
-  while(1)
+  // Check for a newline in stdout.
+  for(;outiter != this->StdOutBuffer.end(); ++outiter)
     {
-    // Check for a newline in stdout.
-    for(;outiter != this->StdOutBuffer.end(); ++outiter)
+    if((*outiter == '\r') && ((outiter+1) == this->StdOutBuffer.end()))
+      {
+      break;
+      }
+    else if(*outiter == '\n' || *outiter == '\0')
       {
-      if((*outiter == '\r') && ((outiter+1) == this->StdOutBuffer.end()))
+      int length = outiter-this->StdOutBuffer.begin();
+      if(length > 1 && *(outiter-1) == '\r')
         {
-        break;
+        --length;
         }
-      else if(*outiter == '\n' || *outiter == '\0')
+      if(length > 0)
         {
-        int length = outiter-this->StdOutBuffer.begin();
-        if(length > 1 && *(outiter-1) == '\r')
-          {
-          --length;
-          }
-        if(length > 0)
-          {
-          stdOutLine.append(&this->StdOutBuffer[0], length);
-          }
-        this->StdOutBuffer.erase(this->StdOutBuffer.begin(), outiter+1);
-        this->LastOutputPipe = cmsysProcess_Pipe_STDOUT;
-        return  this->LastOutputPipe;;
+        stdOutLine.append(&this->StdOutBuffer[0], length);
         }
+      this->StdOutBuffer.erase(this->StdOutBuffer.begin(), outiter+1);
+      this->LastOutputPipe = cmsysProcess_Pipe_STDOUT;
+      return true;
       }
+    }
 
-    // Check for a newline in stderr.
-    for(;erriter != this->StdErrorBuffer.end(); ++erriter)
+  // Check for a newline in stderr.
+  for(;erriter != this->StdErrorBuffer.end(); ++erriter)
+    {
+    if((*erriter == '\r') && ((erriter+1) == this->StdErrorBuffer.end()))
       {
-      if((*erriter == '\r') && ((erriter+1) == this->StdErrorBuffer.end()))
+      break;
+      }
+    else if(*erriter == '\n' || *erriter == '\0')
+      {
+      int length = erriter-this->StdErrorBuffer.begin();
+      if(length > 1 && *(erriter-1) == '\r')
         {
-        break;
+        --length;
         }
-      else if(*erriter == '\n' || *erriter == '\0')
+      if(length > 0)
         {
-        int length = erriter-this->StdErrorBuffer.begin();
-        if(length > 1 && *(erriter-1) == '\r')
-          {
-          --length;
-          }
-        if(length > 0)
-          {
-          stdErrLine.append(&this->StdErrorBuffer[0], length);
-          }
-        this->StdErrorBuffer.erase(this->StdErrorBuffer.begin(), erriter+1);
-        this->LastOutputPipe = cmsysProcess_Pipe_STDERR;
-        return this->LastOutputPipe;
+        stdErrLine.append(&this->StdErrorBuffer[0], length);
         }
+      this->StdErrorBuffer.erase(this->StdErrorBuffer.begin(), erriter+1);
+      this->LastOutputPipe = cmsysProcess_Pipe_STDERR;
+      return true;
       }
+    }
+  //If we get here, we have stuff waiting in the buffers, but no newline
+  return false;
+}
+// return true if there is a new line of data
+// return false if there is no new data
+int cmProcess::CheckOutput(double timeout)
+{
+  // Wait for data from the process.
+  int length;
+  char* data;
 
-    // No newlines found.  Wait for more data from the process.
-    int length;
-    char* data;
+  while(1)
+    {
     int pipe = cmsysProcess_WaitForData(this->Process, &data, 
                                         &length, &timeout);
     if(pipe == cmsysProcess_Pipe_Timeout)
@@ -147,7 +155,6 @@ int cmProcess::CheckOutput(double timeout,
       // Append to the stdout buffer.
       std::vector<char>::size_type size = this->StdOutBuffer.size();
       this->StdOutBuffer.insert(this->StdOutBuffer.end(), data, data+length);
-      outiter = this->StdOutBuffer.begin()+size;
       }
     else if(pipe == cmsysProcess_Pipe_STDERR)
       {
@@ -155,26 +162,17 @@ int cmProcess::CheckOutput(double timeout,
       std::vector<char>::size_type size = this->StdErrorBuffer.size();
       this->StdErrorBuffer.insert(this->StdErrorBuffer.end(),
                                   data, data+length);
-      erriter = this->StdErrorBuffer.begin()+size;
       }
     else if(pipe == cmsysProcess_Pipe_None)
       {
       // Both stdout and stderr pipes have broken.  Return leftover data.
       if(!this->StdOutBuffer.empty())
         {
-        stdOutLine.append(&this->StdOutBuffer[0],
-                          outiter-this->StdOutBuffer.begin());
-        this->StdOutBuffer.erase(this->StdOutBuffer.begin(),
-                                 this->StdOutBuffer.end());
         this->LastOutputPipe = cmsysProcess_Pipe_STDOUT;
         return this->LastOutputPipe;
         }
       else if(!this->StdErrorBuffer.empty())
         {
-        stdErrLine.append(&this->StdErrorBuffer[0],
-                          erriter-this->StdErrorBuffer.begin());
-        this->StdErrorBuffer.erase(this->StdErrorBuffer.begin(), 
-                                   this->StdErrorBuffer.end());
         this->LastOutputPipe = cmsysProcess_Pipe_STDERR;
         return this->LastOutputPipe;
         }
@@ -187,7 +185,6 @@ int cmProcess::CheckOutput(double timeout,
     }
 }
 
-
 // return the process status
 int cmProcess::GetProcessStatus()
 {

Source/CTest/cmProcess.h

@@ -41,9 +41,7 @@ public:
   bool StartProcess();
   
   // return process state
-  int CheckOutput(double timeout, 
-                  std::string& stdOutLine,
-                  std::string& stdErrLine);
+  int CheckOutput(double timeout);
   // return the process status
   int GetProcessStatus();
   // return true if the process is running
@@ -54,6 +52,7 @@ public:
   void SetId(int id) { this->Id = id;}
   int GetExitValue() { return this->ExitValue;}
   double GetTotalTime() { return this->TotalTime;}
+  bool GetNextOutputLine(std::string& stdOutLine, std::string& stdErrLine);
 private:
   int LastOutputPipe;
   double Timeout;