llvm/unittests/ADT/MoveOnly.h

   1 //===- llvm/unittest/ADT/MoveOnly.h - Optional unit tests -----------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_UNITTESTS_ADT_MOVEONLY_H
  10 #define LLVM_UNITTESTS_ADT_MOVEONLY_H
  11
  12 namespace llvm {
  13
  14 struct MoveOnly {
  15   static unsigned MoveConstructions;
  16   static unsigned Destructions;
  17   static unsigned MoveAssignments;
  18   int val;
  19   explicit MoveOnly(int val) : val(val) {
  20   }
  21   MoveOnly(MoveOnly&& other) {
  22     val = other.val;
  23     ++MoveConstructions;
  24   }
  25   MoveOnly &operator=(MoveOnly&& other) {
  26     val = other.val;
  27     ++MoveAssignments;
  28     return *this;
  29   }
  30   ~MoveOnly() {
  31     ++Destructions;
  32   }
  33   static void ResetCounts() {
  34     MoveConstructions = 0;
  35     Destructions = 0;
  36     MoveAssignments = 0;
  37   }
  38 };
  39
  40 }  // end namespace llvm
  41
  42 #endif // LLVM_UNITTESTS_ADT_MOVEONLY_H