X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FADT%2FOptionalTest.cpp;h=18b59e315818eaa84eb35464e702b131c9099c1d;hb=813f44a29fd0fd140127023222d0633e23783bcc;hp=92c4eec487a6755bd6ba088414dba0fd3abf4ce5;hpb=66981fe20809820e30dc19ea37ff7487eb67a96f;p=oota-llvm.git

diff --git a/unittests/ADT/OptionalTest.cpp b/unittests/ADT/OptionalTest.cpp
index 92c4eec487a..18b59e31581 100644
--- a/unittests/ADT/OptionalTest.cpp
+++ b/unittests/ADT/OptionalTest.cpp
@@ -377,5 +377,18 @@ TEST_F(OptionalTest, MoveGetValueOr) {
 
 #endif // LLVM_HAS_RVALUE_REFERENCE_THIS
 
+TEST_F(OptionalTest, NoneComparison) {
+  Optional<int> o;
+  EXPECT_EQ(o, None);
+  EXPECT_EQ(None, o);
+  EXPECT_FALSE(o != None);
+  EXPECT_FALSE(None != o);
+  o = 3;
+  EXPECT_FALSE(o == None);
+  EXPECT_FALSE(None == o);
+  EXPECT_TRUE(o != None);
+  EXPECT_TRUE(None != o);
+}
+
 } // end anonymous namespace