diff --git a/llvm/unittests/Support/ProcessTest.cpp b/llvm/unittests/Support/ProcessTest.cpp
index 58a7c4a..e57c0e6 100644
--- a/llvm/unittests/Support/ProcessTest.cpp
+++ b/llvm/unittests/Support/ProcessTest.cpp
@@ -30,6 +30,13 @@
 #endif
 
   EXPECT_LT(1u, process::get_self()->page_size());
+
+  EXPECT_LT(TimeValue::MinTime, process::get_self()->get_user_time());
+  EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_user_time());
+  EXPECT_LT(TimeValue::MinTime, process::get_self()->get_system_time());
+  EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_system_time());
+  EXPECT_LT(TimeValue::MinTime, process::get_self()->get_wall_time());
+  EXPECT_GT(TimeValue::MaxTime, process::get_self()->get_wall_time());
 }
 
 } // end anonymous namespace