[llvm] r218783 - Add an immovable type to test Optional<T>::emplace more rigorously after r218732.

[David Blaikie]

Author: dblaikie
Date: Wed Oct  1 13:29:44 2014
New Revision: 218783

URL: http://llvm.org/viewvc/llvm-project?rev=218783&view=rev
Log:
Add an immovable type to test Optional<T>::emplace more rigorously after r218732.

Modified:
    llvm/trunk/unittests/ADT/OptionalTest.cpp

Modified: llvm/trunk/unittests/ADT/OptionalTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/ADT/OptionalTest.cpp?rev=218783&r1=218782&r2=218783&view=diff
==============================================================================
--- llvm/trunk/unittests/ADT/OptionalTest.cpp (original)
+++ llvm/trunk/unittests/ADT/OptionalTest.cpp Wed Oct  1 13:29:44 2014
@@ -324,15 +324,36 @@ TEST_F(OptionalTest, MoveOnlyAssigningAs
   EXPECT_EQ(1u, MoveOnly::Destructions);
 }
 
+struct Immovable {
+  static unsigned Constructions;
+  static unsigned Destructions;
+  int val;
+  explicit Immovable(int val) : val(val) {
+    ++Constructions;
+  }
+  ~Immovable() {
+    ++Destructions;
+  }
+  static void ResetCounts() {
+    Constructions = 0;
+    Destructions = 0;
+  }
+private:
+  // This should disable all move/copy operations.
+  Immovable(Immovable&& other) LLVM_DELETED_FUNCTION;
+};
+
+unsigned Immovable::Constructions = 0;
+unsigned Immovable::Destructions = 0;
+
 TEST_F(OptionalTest, MoveOnlyEmplace) {
-  Optional<MoveOnly> A;
-  MoveOnly::ResetCounts();
+  Optional<Immovable> A;
+  Immovable::ResetCounts();
   A.emplace(4);
   EXPECT_TRUE((bool)A);
   EXPECT_EQ(4, A->val);
-  EXPECT_EQ(0u, MoveOnly::MoveConstructions);
-  EXPECT_EQ(0u, MoveOnly::MoveAssignments);
-  EXPECT_EQ(0u, MoveOnly::Destructions);
+  EXPECT_EQ(1u, Immovable::Constructions);
+  EXPECT_EQ(0u, Immovable::Destructions);
 }
 
 #if LLVM_HAS_RVALUE_REFERENCE_THIS