2 files changed, 72 insertions, 0 deletions
diff --git a/unittests/ADT/CMakeLists.txt b/unittests/ADT/CMakeLists.txt
index 2125657433..8ad303a9e1 100644
--- a/unittests/ADT/CMakeLists.txt
+++ b/unittests/ADT/CMakeLists.txt
@@ -35,6 +35,7 @@ set(ADTSources
   TripleTest.cpp
   TwineTest.cpp
   VariadicFunctionTest.cpp
+  polymorphic_ptr_test.cpp
  )
 
 # They cannot be compiled on MSVC9 due to its bug.
diff --git a/unittests/ADT/polymorphic_ptr_test.cpp b/unittests/ADT/polymorphic_ptr_test.cpp
new file mode 100644
index 0000000000..e1e9c42fce
--- /dev/null
+++ b/unittests/ADT/polymorphic_ptr_test.cpp
@@ -0,0 +1,71 @@
+//===- llvm/unittest/ADT/polymorphic_ptr.h - polymorphic_ptr<T> tests -----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+#include "llvm/ADT/polymorphic_ptr.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace llvm;
+
+namespace {
+
+TEST(polymorphic_ptr_test, Basic) {
+  struct S {
+    S(int x) : x(x) {}
+    int x;
+  };
+
+  polymorphic_ptr<S> null;
+  EXPECT_FALSE((bool)null);
+  EXPECT_TRUE(!null);
+  EXPECT_EQ((S*)0, null.get());
+
+  S *s = new S(42);
+  polymorphic_ptr<S> p(s);
+  EXPECT_TRUE((bool)p);
+  EXPECT_FALSE(!p);
+  EXPECT_TRUE(p != null);
+  EXPECT_FALSE(p == null);
+  EXPECT_TRUE(p == s);
+  EXPECT_TRUE(s == p);
+  EXPECT_FALSE(p != s);
+  EXPECT_FALSE(s != p);
+  EXPECT_EQ(s, &*p);
+  EXPECT_EQ(s, p.operator->());
+  EXPECT_EQ(s, p.get());
+  EXPECT_EQ(42, p->x);
+
+  EXPECT_EQ(s, p.take());
+  EXPECT_FALSE((bool)p);
+  EXPECT_TRUE(!p);
+  p = s;
+  EXPECT_TRUE((bool)p);
+  EXPECT_FALSE(!p);
+  EXPECT_EQ(s, &*p);
+  EXPECT_EQ(s, p.operator->());
+  EXPECT_EQ(s, p.get());
+  EXPECT_EQ(42, p->x);
+
+  polymorphic_ptr<S> p2((llvm_move(p)));
+  EXPECT_FALSE((bool)p);
+  EXPECT_TRUE(!p);
+  EXPECT_TRUE((bool)p2);
+  EXPECT_FALSE(!p2);
+  EXPECT_EQ(s, &*p2);
+
+  using std::swap;
+  swap(p, p2);
+  EXPECT_TRUE((bool)p);
+  EXPECT_FALSE(!p);
+  EXPECT_EQ(s, &*p);
+  EXPECT_FALSE((bool)p2);
+  EXPECT_TRUE(!p2);
+}
+
+}