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-rw-r--r--unittests/ADT/OwningPtrTest.cpp273
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diff --git a/unittests/ADT/OwningPtrTest.cpp b/unittests/ADT/OwningPtrTest.cpp
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--- a/unittests/ADT/OwningPtrTest.cpp
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-//===- llvm/unittest/ADT/OwningPtrTest.cpp - OwningPtr unit tests ---------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ADT/OwningPtr.h"
-#include "gtest/gtest.h"
-using namespace llvm;
-
-namespace {
-
-struct TrackDestructor {
- static unsigned Destructions;
- int val;
- explicit TrackDestructor(int val) : val(val) {}
- ~TrackDestructor() { ++Destructions; }
- static void ResetCounts() { Destructions = 0; }
-
-private:
- TrackDestructor(const TrackDestructor &other) LLVM_DELETED_FUNCTION;
- TrackDestructor &
- operator=(const TrackDestructor &other) LLVM_DELETED_FUNCTION;
- TrackDestructor(TrackDestructor &&other) LLVM_DELETED_FUNCTION;
- TrackDestructor &operator=(TrackDestructor &&other) LLVM_DELETED_FUNCTION;
-};
-
-unsigned TrackDestructor::Destructions = 0;
-
-// Test fixture
-class OwningPtrTest : public testing::Test {};
-
-TEST_F(OwningPtrTest, DefaultConstruction) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> O;
- EXPECT_FALSE(O);
- EXPECT_TRUE(!O);
- EXPECT_FALSE(O.get());
- EXPECT_FALSE(O.isValid());
- }
- EXPECT_EQ(0u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, PtrConstruction) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> O(new TrackDestructor(3));
- EXPECT_TRUE((bool)O);
- EXPECT_FALSE(!O);
- EXPECT_TRUE(O.get());
- EXPECT_TRUE(O.isValid());
- EXPECT_EQ(3, (*O).val);
- EXPECT_EQ(3, O->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, Reset) {
- TrackDestructor::ResetCounts();
- OwningPtr<TrackDestructor> O(new TrackDestructor(3));
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- O.reset();
- EXPECT_FALSE((bool)O);
- EXPECT_TRUE(!O);
- EXPECT_FALSE(O.get());
- EXPECT_FALSE(O.isValid());
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, Take) {
- TrackDestructor::ResetCounts();
- TrackDestructor *T = nullptr;
- {
- OwningPtr<TrackDestructor> O(new TrackDestructor(3));
- T = O.take();
- EXPECT_FALSE((bool)O);
- EXPECT_TRUE(!O);
- EXPECT_FALSE(O.get());
- EXPECT_FALSE(O.isValid());
- EXPECT_TRUE(T);
- EXPECT_EQ(3, T->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- delete T;
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, Release) {
- TrackDestructor::ResetCounts();
- TrackDestructor *T = nullptr;
- {
- OwningPtr<TrackDestructor> O(new TrackDestructor(3));
- T = O.release();
- EXPECT_FALSE((bool)O);
- EXPECT_TRUE(!O);
- EXPECT_FALSE(O.get());
- EXPECT_FALSE(O.isValid());
- EXPECT_TRUE(T);
- EXPECT_EQ(3, T->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- delete T;
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, MoveConstruction) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> A(new TrackDestructor(3));
- OwningPtr<TrackDestructor> B = std::move(A);
- EXPECT_FALSE((bool)A);
- EXPECT_TRUE(!A);
- EXPECT_FALSE(A.get());
- EXPECT_FALSE(A.isValid());
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_TRUE(B.isValid());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, MoveAssignment) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> A(new TrackDestructor(3));
- OwningPtr<TrackDestructor> B(new TrackDestructor(4));
- B = std::move(A);
- EXPECT_FALSE(A);
- EXPECT_TRUE(!A);
- EXPECT_FALSE(A.get());
- EXPECT_FALSE(A.isValid());
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_TRUE(B.isValid());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(1u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(2u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, Swap) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> A(new TrackDestructor(3));
- OwningPtr<TrackDestructor> B(new TrackDestructor(4));
- B.swap(A);
- EXPECT_TRUE((bool)A);
- EXPECT_FALSE(!A);
- EXPECT_TRUE(A.get());
- EXPECT_TRUE(A.isValid());
- EXPECT_EQ(4, (*A).val);
- EXPECT_EQ(4, A->val);
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_TRUE(B.isValid());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(2u, TrackDestructor::Destructions);
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> A(new TrackDestructor(3));
- OwningPtr<TrackDestructor> B(new TrackDestructor(4));
- swap(A, B);
- EXPECT_TRUE((bool)A);
- EXPECT_FALSE(!A);
- EXPECT_TRUE(A.get());
- EXPECT_TRUE(A.isValid());
- EXPECT_EQ(4, (*A).val);
- EXPECT_EQ(4, A->val);
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_TRUE(B.isValid());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(2u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, UniqueToOwningConstruction) {
- TrackDestructor::ResetCounts();
- {
- std::unique_ptr<TrackDestructor> A(new TrackDestructor(3));
- OwningPtr<TrackDestructor> B = std::move(A);
- EXPECT_FALSE(A);
- EXPECT_TRUE(!A);
- EXPECT_FALSE(A.get());
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_TRUE(B.isValid());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, UniqueToOwningAssignment) {
- TrackDestructor::ResetCounts();
- {
- std::unique_ptr<TrackDestructor> A(new TrackDestructor(3));
- OwningPtr<TrackDestructor> B(new TrackDestructor(4));
- B = std::move(A);
- EXPECT_FALSE(A);
- EXPECT_TRUE(!A);
- EXPECT_FALSE(A.get());
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_TRUE(B.isValid());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(1u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(2u, TrackDestructor::Destructions);
-}
-
-TEST_F(OwningPtrTest, TakeUniqueConstruction) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> A(new TrackDestructor(3));
- std::unique_ptr<TrackDestructor> B = A.take_unique();
- EXPECT_FALSE(A);
- EXPECT_TRUE(!A);
- EXPECT_FALSE(A.get());
- EXPECT_FALSE(A.isValid());
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-
-#if LLVM_HAS_RVALUE_REFERENCE_THIS
-TEST_F(OwningPtrTest, OwningToUniqueConstruction) {
- TrackDestructor::ResetCounts();
- {
- OwningPtr<TrackDestructor> A(new TrackDestructor(3));
- std::unique_ptr<TrackDestructor> B = std::move(A);
- EXPECT_FALSE(A);
- EXPECT_TRUE(!A);
- EXPECT_FALSE(A.get());
- EXPECT_FALSE(A.isValid());
- EXPECT_TRUE((bool)B);
- EXPECT_FALSE(!B);
- EXPECT_TRUE(B.get());
- EXPECT_EQ(3, (*B).val);
- EXPECT_EQ(3, B->val);
- EXPECT_EQ(0u, TrackDestructor::Destructions);
- }
- EXPECT_EQ(1u, TrackDestructor::Destructions);
-}
-#endif
-}
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