Adds sample4_unittest to scons (by Vlad Losev); adds logic for getting the thread count on Mac (by Vlad Losev); adds HasFailure() and HasNonfatalFailure() (by Zhanyong Wan).

src/gtest-internal-inl.h

@@ -548,6 +548,9 @@ class TestResult {
   // Returns true iff the test fatally failed.
   bool HasFatalFailure() const;
 
+  // Returns true iff the test has a non-fatal failure.
+  bool HasNonfatalFailure() const;
+
   // Returns the elapsed time, in milliseconds.
   TimeInMillis elapsed_time() const { return elapsed_time_; }
 
@@ -575,6 +578,9 @@ class TestResult {
   // Increments the death test count, returning the new count.
   int increment_death_test_count() { return ++death_test_count_; }
 
+  // Clears the test part results.
+  void ClearTestPartResults() { test_part_results_.Clear(); }
+
   // Clears the object.
   void Clear();
  private:
@@ -1300,6 +1306,11 @@ inline UnitTestImpl* GetUnitTestImpl() {
   return UnitTest::GetInstance()->impl();
 }
 
+// Clears all test part results of the current test.
+inline void ClearCurrentTestPartResults() {
+  GetUnitTestImpl()->current_test_result()->ClearTestPartResults();
+}
+
 // Internal helper functions for implementing the simple regular
 // expression matcher.
 bool IsInSet(char ch, const char* str);

src/gtest-port.cc

@@ -42,6 +42,11 @@
 #include <unistd.h>
 #endif  // GTEST_OS_WINDOWS
 
+#if GTEST_OS_MAC
+#include <mach/mach_init.h>
+#include <mach/task.h>
+#endif  // GTEST_OS_MAC
+
 #ifdef _WIN32_WCE
 #include <windows.h>  // For TerminateProcess()
 #endif  // _WIN32_WCE
@@ -69,6 +74,22 @@ const int kStdErrFileno = 2;
 const int kStdErrFileno = STDERR_FILENO;
 #endif  // _MSC_VER
 
+// Returns the number of threads running in the process, or 0 to indicate that
+// we cannot detect it.
+size_t GetThreadCount() {
+#if GTEST_OS_MAC
+  mach_msg_type_number_t thread_count;
+  thread_act_port_array_t thread_list;
+  kern_return_t status = task_threads(mach_task_self(),
+                                      &thread_list, &thread_count);
+  return status == KERN_SUCCESS ? static_cast<size_t>(thread_count) : 0;
+#else
+  // There's no portable way to detect the number of threads, so we just
+  // return 0 to indicate that we cannot detect it.
+  return 0;
+#endif  // GTEST_OS_MAC
+}
+
 #if GTEST_USES_POSIX_RE
 
 // Implements RE.  Currently only needed for death tests.

src/gtest.cc

@@ -1852,7 +1852,7 @@ int TestResult::failed_part_count() const {
 }
 
 // Returns true iff the test part fatally failed.
-static bool TestPartFatallyFailed(const TestPartResult & result) {
+static bool TestPartFatallyFailed(const TestPartResult& result) {
   return result.fatally_failed();
 }
 
@@ -1861,6 +1861,16 @@ bool TestResult::HasFatalFailure() const {
   return test_part_results_.CountIf(TestPartFatallyFailed) > 0;
 }
 
+// Returns true iff the test part non-fatally failed.
+static bool TestPartNonfatallyFailed(const TestPartResult& result) {
+  return result.nonfatally_failed();
+}
+
+// Returns true iff the test has a non-fatal failure.
+bool TestResult::HasNonfatalFailure() const {
+  return test_part_results_.CountIf(TestPartNonfatallyFailed) > 0;
+}
+
 // Gets the number of all test parts.  This is the sum of the number
 // of successful test parts and the number of failed test parts.
 int TestResult::total_part_count() const {
@@ -2059,6 +2069,12 @@ bool Test::HasFatalFailure() {
   return internal::GetUnitTestImpl()->current_test_result()->HasFatalFailure();
 }
 
+// Returns true iff the current test has a non-fatal failure.
+bool Test::HasNonfatalFailure() {
+  return internal::GetUnitTestImpl()->current_test_result()->
+      HasNonfatalFailure();
+}
+
 // class TestInfo
 
 // Constructs a TestInfo object. It assumes ownership of the test factory