1 files changed, 3 insertions, 6 deletions
diff --git a/googletest/samples/sample1_unittest.cc b/googletest/samples/sample1_unittest.cc
index aefc4f1..861eff9 100644
--- a/googletest/samples/sample1_unittest.cc
+++ b/googletest/samples/sample1_unittest.cc
@@ -46,7 +46,7 @@
 #include <limits.h>
 #include "sample1.h"
 #include "gtest/gtest.h"
-
+namespace {
 
 // Step 2. Use the TEST macro to define your tests.
 //
@@ -72,7 +72,6 @@
 //
 // </TechnicalDetails>
 
-
 // Tests Factorial().
 
 // Tests factorial of negative numbers.
@@ -100,9 +99,7 @@ TEST(FactorialTest, Negative) {
 }
 
 // Tests factorial of 0.
-TEST(FactorialTest, Zero) {
-  EXPECT_EQ(1, Factorial(0));
-}
+TEST(FactorialTest, Zero) { EXPECT_EQ(1, Factorial(0)); }
 
 // Tests factorial of positive numbers.
 TEST(FactorialTest, Positive) {
@@ -112,7 +109,6 @@ TEST(FactorialTest, Positive) {
   EXPECT_EQ(40320, Factorial(8));
 }
 
-
 // Tests IsPrime()
 
 // Tests negative input.
@@ -139,6 +135,7 @@ TEST(IsPrimeTest, Positive) {
   EXPECT_FALSE(IsPrime(6));
   EXPECT_TRUE(IsPrime(23));
 }
+}  // namespace
 
 // Step 3. Call RUN_ALL_TESTS() in main().
 //