Merge gtest-1.3.0.

[oota-llvm.git] / utils / unittest / googletest / include / gtest / internal / gtest-internal.h

diff --git a/utils/unittest/googletest/include/gtest/internal/gtest-internal.h b/utils/unittest/googletest/include/gtest/internal/gtest-internal.h
index 242ffea12f925c9ccb4ce47e2943c610e84001f9..def4b5970a7789b3367b4150039d750cbcb6b126 100644 (file)
--- a/utils/unittest/googletest/include/gtest/internal/gtest-internal.h
+++ b/utils/unittest/googletest/include/gtest/internal/gtest-internal.h
@@ -39,7 +39,7 @@
 
 #include <gtest/internal/gtest-port.h>
 
-#ifdef GTEST_OS_LINUX
+#if GTEST_OS_LINUX
 #include <stdlib.h>
 #include <sys/types.h>
 #include <sys/wait.h>
@@ -566,7 +566,7 @@ class TestFactoryImpl : public TestFactoryBase {
   virtual Test* CreateTest() { return new TestClass; }
 };
 
-#ifdef GTEST_OS_WINDOWS
+#if GTEST_OS_WINDOWS
 
 // Predicate-formatters for implementing the HRESULT checking macros
 // {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED}
@@ -620,7 +620,7 @@ TestInfo* MakeAndRegisterTestInfo(
     TearDownTestCaseFunc tear_down_tc,
     TestFactoryBase* factory);
 
-#if defined(GTEST_HAS_TYPED_TEST) || defined(GTEST_HAS_TYPED_TEST_P)
+#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
 
 // State of the definition of a type-parameterized test case.
 class TypedTestCasePState {
@@ -636,6 +636,7 @@ class TypedTestCasePState {
       fprintf(stderr, "%s Test %s must be defined before "
               "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n",
               FormatFileLocation(file, line).c_str(), test_name, case_name);
+      fflush(stderr);
       abort();
     }
     defined_test_names_.insert(test_name);
@@ -768,6 +769,9 @@ String GetCurrentOsStackTraceExceptTop(UnitTest* unit_test, int skip_count);
 // Returns the number of failed test parts in the given test result object.
 int GetFailedPartCount(const TestResult* result);
 
+// A helper for suppressing warnings on unreachable code in some macros.
+bool AlwaysTrue();
+
 }  // namespace internal
 }  // namespace testing
 
@@ -784,12 +788,18 @@ int GetFailedPartCount(const TestResult* result);
 #define GTEST_SUCCESS_(message) \
   GTEST_MESSAGE_(message, ::testing::TPRT_SUCCESS)
 
+// Suppresses MSVC warnings 4072 (unreachable code) for the code following
+// statement if it returns or throws (or doesn't return or throw in some
+// situations).
+#define GTEST_HIDE_UNREACHABLE_CODE_(statement) \
+  if (::testing::internal::AlwaysTrue()) { statement; }
+
 #define GTEST_TEST_THROW_(statement, expected_exception, fail) \
   GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
   if (const char* gtest_msg = "") { \
     bool gtest_caught_expected = false; \
     try { \
-      statement; \
+      GTEST_HIDE_UNREACHABLE_CODE_(statement); \
     } \
     catch (expected_exception const&) { \
       gtest_caught_expected = true; \
@@ -813,7 +823,7 @@ int GetFailedPartCount(const TestResult* result);
   GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
   if (const char* gtest_msg = "") { \
     try { \
-      statement; \
+      GTEST_HIDE_UNREACHABLE_CODE_(statement); \
     } \
     catch (...) { \
       gtest_msg = "Expected: " #statement " doesn't throw an exception.\n" \
@@ -829,7 +839,7 @@ int GetFailedPartCount(const TestResult* result);
   if (const char* gtest_msg = "") { \
     bool gtest_caught_any = false; \
     try { \
-      statement; \
+      GTEST_HIDE_UNREACHABLE_CODE_(statement); \
     } \
     catch (...) { \
       gtest_caught_any = true; \
@@ -855,7 +865,7 @@ int GetFailedPartCount(const TestResult* result);
   GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
   if (const char* gtest_msg = "") { \
     ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \
-    { statement; } \
+    GTEST_HIDE_UNREACHABLE_CODE_(statement); \
     if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \
       gtest_msg = "Expected: " #statement " doesn't generate new fatal " \
                   "failures in the current thread.\n" \