1 files changed, 21 insertions, 3 deletions
diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index 9a17180..c08ab41 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -661,11 +661,14 @@ static ::std::vector<std::string> g_argvs;
 FilePath GetCurrentExecutableName() {
   FilePath result;
 
+  auto args = GetArgvs();
+  if (!args.empty()) {
 #if defined(GTEST_OS_WINDOWS) || defined(GTEST_OS_OS2)
-  result.Set(FilePath(GetArgvs()[0]).RemoveExtension("exe"));
+    result.Set(FilePath(args[0]).RemoveExtension("exe"));
 #else
-  result.Set(FilePath(GetArgvs()[0]));
+    result.Set(FilePath(args[0]));
 #endif  // GTEST_OS_WINDOWS
+  }
 
   return result.RemoveDirectoryName();
 }
@@ -1657,10 +1660,25 @@ std::string GetBoolAssertionFailureMessage(
   return msg.GetString();
 }
 
-// Helper function for implementing ASSERT_NEAR.
+// Helper function for implementing ASSERT_NEAR. Treats infinity as a specific
+// value, such that comparing infinity to infinity is equal, the distance
+// between -infinity and +infinity is infinity, and infinity <= infinity is
+// true.
 AssertionResult DoubleNearPredFormat(const char* expr1, const char* expr2,
                                      const char* abs_error_expr, double val1,
                                      double val2, double abs_error) {
+  // We want to return success when the two values are infinity and at least
+  // one of the following is true:
+  //  * The values are the same-signed infinity.
+  //  * The error limit itself is infinity.
+  // This is done here so that we don't end up with a NaN when calculating the
+  // difference in values.
+  if (std::isinf(val1) && std::isinf(val2) &&
+      (std::signbit(val1) == std::signbit(val2) ||
+       (abs_error > 0.0 && std::isinf(abs_error)))) {
+    return AssertionSuccess();
+  }
+
   const double diff = fabs(val1 - val2);
   if (diff <= abs_error) return AssertionSuccess();