diff options
Diffstat (limited to 'unittests')
| -rw-r--r-- | unittests/ADT/SmallVectorTest.cpp | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/unittests/ADT/SmallVectorTest.cpp b/unittests/ADT/SmallVectorTest.cpp index 760d734386..99deb0c68a 100644 --- a/unittests/ADT/SmallVectorTest.cpp +++ b/unittests/ADT/SmallVectorTest.cpp @@ -139,6 +139,19 @@ int Constructable::numAssignmentCalls; int Constructable::numCopyAssignmentCalls; int Constructable::numMoveAssignmentCalls; +struct NonCopyable { + NonCopyable() {} + NonCopyable(NonCopyable &&) {} + NonCopyable &operator=(NonCopyable &&) { return *this; } + NonCopyable(const NonCopyable &) = delete; + NonCopyable &operator=(const NonCopyable &) = delete; +}; + +LLVM_ATTRIBUTE_USED void CompileTest() { + SmallVector<NonCopyable, 0> V; + V.resize(42); +} + // Test fixture class template <typename VectorT> class SmallVectorTest : public testing::Test { @@ -277,13 +290,26 @@ TYPED_TEST(SmallVectorTest, ResizeGrowTest) { this->theVector.resize(2); - // The extra constructor/destructor calls come from the temporary object used - // to initialize the contents of the resized array (via copy construction). - EXPECT_EQ(3, Constructable::getNumConstructorCalls()); - EXPECT_EQ(1, Constructable::getNumDestructorCalls()); + EXPECT_EQ(2, Constructable::getNumConstructorCalls()); + EXPECT_EQ(0, Constructable::getNumDestructorCalls()); EXPECT_EQ(2u, this->theVector.size()); } +TYPED_TEST(SmallVectorTest, ResizeWithElementsTest) { + this->theVector.resize(2); + + Constructable::reset(); + + this->theVector.resize(4); + + size_t Ctors = Constructable::getNumConstructorCalls(); + EXPECT_TRUE(Ctors == 2 || Ctors == 4); + size_t MoveCtors = Constructable::getNumMoveConstructorCalls(); + EXPECT_TRUE(MoveCtors == 0 || MoveCtors == 2); + size_t Dtors = Constructable::getNumDestructorCalls(); + EXPECT_TRUE(Dtors == 0 || Dtors == 2); +} + // Resize with fill value. TYPED_TEST(SmallVectorTest, ResizeFillTest) { SCOPED_TRACE("ResizeFillTest"); |