CTest/cmProcess: Adopt field tracking reason for the process timeout

A test process may timeout either because the test timeout was reached,
or the overall stop time was reached.  Shorten the lifetime for which
we track this state in `cmCTestRunTest`.

Source/CTest/cmCTestMultiProcessHandler.cxx

@@ -634,8 +634,9 @@ void cmCTestMultiProcessHandler::FinishTestProcess(
   int test = runner->GetIndex();
   auto* properties = runner->GetTestProperties();
 
-  bool testResult = runner->EndTest(this->Completed, this->Total, started);
-  if (runner->TimedOutForStopTime()) {
+  cmCTestRunTest::EndTestResult testResult =
+    runner->EndTest(this->Completed, this->Total, started);
+  if (testResult.StopTimePassed) {
     this->SetStopTimePassed();
   }
   if (started) {
@@ -646,7 +647,7 @@ void cmCTestMultiProcessHandler::FinishTestProcess(
     }
   }
 
-  if (testResult) {
+  if (testResult.Passed) {
     this->Passed->push_back(properties->Name);
   } else if (!properties->Disabled) {
     this->Failed->push_back(properties->Name);

Source/CTest/cmCTestRunTest.cxx

@@ -95,16 +95,15 @@ void cmCTestRunTest::CheckOutput(std::string const& line)
   }
 }
 
-bool cmCTestRunTest::EndTest(size_t completed, size_t total, bool started)
+cmCTestRunTest::EndTestResult cmCTestRunTest::EndTest(size_t completed,
+                                                      size_t total,
+                                                      bool started)
 {
   this->WriteLogOutputTop(completed, total);
   std::string reason;
   bool passed = true;
   cmProcess::State res =
     started ? this->TestProcess->GetProcessStatus() : cmProcess::State::Error;
-  if (res != cmProcess::State::Expired) {
-    this->TimeoutIsForStopTime = false;
-  }
   std::int64_t retVal = this->TestProcess->GetExitValue();
   bool forceFail = false;
   bool forceSkip = false;
@@ -344,8 +343,15 @@ bool cmCTestRunTest::EndTest(size_t completed, size_t total, bool started)
   if (!this->NeedsToRepeat()) {
     this->TestHandler->TestResults.push_back(this->TestResult);
   }
+  cmCTestRunTest::EndTestResult testResult;
+  testResult.Passed = passed || skipped;
+  if (res == cmProcess::State::Expired &&
+      this->TestProcess->GetTimeoutReason() ==
+        cmProcess::TimeoutReason::StopTime) {
+    testResult.StopTimePassed = true;
+  }
   this->TestProcess.reset();
-  return passed || skipped;
+  return testResult;
 }
 
 bool cmCTestRunTest::StartAgain(std::unique_ptr<cmCTestRunTest> runner,
@@ -772,8 +778,8 @@ bool cmCTestRunTest::ForkProcess()
     timeRemaining = cmDuration::zero();
   }
   if (!timeout || timeRemaining < *timeout) {
-    this->TimeoutIsForStopTime = true;
     timeout = timeRemaining;
+    this->TestProcess->SetTimeoutReason(cmProcess::TimeoutReason::StopTime);
   }
 
   if (timeout) {

Source/CTest/cmCTestRunTest.h

@@ -71,10 +71,16 @@ public:
                            std::string const& output,
                            std::string const& detail);
 
+  struct EndTestResult
+  {
+    bool Passed = false;
+    bool StopTimePassed = false;
+  };
+
   // launch the test process, return whether it started correctly
   bool StartTest(size_t completed, size_t total);
   // capture and report the test results
-  bool EndTest(size_t completed, size_t total, bool started);
+  EndTestResult EndTest(size_t completed, size_t total, bool started);
   // Called by ctest -N to log the command string
   void ComputeArguments();
 
@@ -90,8 +96,6 @@ public:
 
   void FinalizeTest(bool started = true);
 
-  bool TimedOutForStopTime() const { return this->TimeoutIsForStopTime; }
-
   void SetUseAllocatedResources(bool use)
   {
     this->UseAllocatedResources = use;
@@ -120,7 +124,6 @@ private:
   std::string GetTestPrefix(size_t completed, size_t total) const;
 
   cmCTestTestHandler::cmCTestTestProperties* TestProperties;
-  bool TimeoutIsForStopTime = false;
   // Pointer back to the "parent"; the handler that invoked this test run
   cmCTestTestHandler* TestHandler;
   cmCTest* CTest;

Source/CTest/cmProcess.h

@@ -41,6 +41,14 @@ public:
   // Return true if the process starts
   bool StartProcess(uv_loop_t& loop, std::vector<size_t>* affinity);
 
+  enum class TimeoutReason
+  {
+    Normal,
+    StopTime,
+  };
+  void SetTimeoutReason(TimeoutReason r) { this->TimeoutReason_ = r; }
+  TimeoutReason GetTimeoutReason() const { return this->TimeoutReason_; }
+
   enum class State
   {
     Starting,
@@ -79,6 +87,7 @@ public:
 
 private:
   cm::optional<cmDuration> Timeout;
+  TimeoutReason TimeoutReason_ = TimeoutReason::Normal;
   std::chrono::steady_clock::time_point StartTime;
   cmDuration TotalTime;
   bool ReadHandleClosed = false;