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Improve unique_ref tests

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This commit is contained in:
Sebastian Messmer 2017-04-06 11:10:57 +01:00
parent 3d56b97052
commit 1b80d7e99d
1 changed files with 56 additions and 27 deletions
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65
test/cpp-utils/pointer/unique_ref_test.cpp
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@ -629,20 +629,26 @@ TEST_F(UniqueRefTest, givenUniqueRefWithDefaultDeleter_whenDestructed_thenCallsD
EXPECT_TRUE(wasDestructed);
}
TEST_F(UniqueRefTest, givenUniqueRefWithDefaultDeleter_whenMoveConstructed_thenDoesntCallDefaultDeleter) {
TEST_F(UniqueRefTest, givenUniqueRefWithDefaultDeleter_whenMoveConstructed_thenCallsDefaultDeleterAfterSecondDestructed) {
bool wasDestructed = false;
auto obj = make_unique_ref<DestructableMock>(&wasDestructed);
auto obj2 = std::move(obj);
{
unique_ref<DestructableMock> obj2 = std::move(obj);
EXPECT_FALSE(wasDestructed);
}
EXPECT_TRUE(wasDestructed);
}
TEST_F(UniqueRefTest, givenUniqueRefWithDefaultDeleter_whenMoveAssigned_thenDoesntCallDefaultDeleter) {
TEST_F(UniqueRefTest, givenUniqueRefWithDefaultDeleter_whenMoveAssigned_thenCallDefaultDeleterAfterSecondDestructed) {
bool dummy = false;
bool wasDestructed = false;
auto obj = make_unique_ref<DestructableMock>(&wasDestructed);
auto obj2 = make_unique_ref<DestructableMock>(&dummy);
unique_ref<DestructableMock> obj = make_unique_ref<DestructableMock>(&wasDestructed);
{
unique_ref<DestructableMock> obj2 = make_unique_ref<DestructableMock>(&dummy);
obj2 = std::move(obj);
EXPECT_FALSE(wasDestructed);
}
EXPECT_TRUE(wasDestructed);
}
TEST_F(UniqueRefTest, givenUniqueRefWithDefaultDeleter_whenDestructCalled_thenCallsDefaultDeleter) {
@ -670,20 +676,26 @@ TEST_F(UniqueRefTest, givenUniqueRefWithCustomDefaultConstructibleDeleter_whenDe
EXPECT_TRUE(wasDestructed);
}
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDefaultConstructibleDeleter_whenMoveConstructed_thenDoesntCallCustomDeleter) {
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDefaultConstructibleDeleter_whenMoveConstructed_thenCallsCustomDeleterAfterSecondDestructed) {
bool wasDestructed = false;
auto obj = nullcheck(std::unique_ptr<bool, SetToTrueDeleter>(&wasDestructed)).value();
auto obj2 = std::move(obj);
unique_ref<bool, SetToTrueDeleter> obj = nullcheck(std::unique_ptr<bool, SetToTrueDeleter>(&wasDestructed)).value();
{
unique_ref<bool, SetToTrueDeleter> obj2 = std::move(obj);
EXPECT_FALSE(wasDestructed);
}
EXPECT_TRUE(wasDestructed);
}
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDefaultConstructibleDeleter_whenMoveAssigned_thenDoesntCallCustomDeleter) {
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDefaultConstructibleDeleter_whenMoveAssigned_thenCallsCustomDeleterAfterSecondDestructed) {
bool dummy = false;
bool wasDestructed = false;
auto obj = nullcheck(std::unique_ptr<bool, SetToTrueDeleter>(&wasDestructed)).value();
auto obj2 = nullcheck(std::unique_ptr<bool, SetToTrueDeleter>(&dummy)).value();
unique_ref<bool, SetToTrueDeleter> obj = nullcheck(std::unique_ptr<bool, SetToTrueDeleter>(&wasDestructed)).value();
{
unique_ref<bool, SetToTrueDeleter> obj2 = nullcheck(std::unique_ptr<bool, SetToTrueDeleter>(&dummy)).value();
obj2 = std::move(obj);
EXPECT_FALSE(wasDestructed);
}
EXPECT_TRUE(wasDestructed);
}
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDefaultConstructibleDeleter_whenDestructCalled_thenCallsCustomDeleter) {
@ -714,20 +726,26 @@ TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenDestructed_the
EXPECT_EQ(4, value);
}
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenMoveConstructed_thenDoesntCallCustomDeleterInstance) {
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenMoveConstructed_thenCallsCustomDeleterInstanceAfterSecondDestructed) {
int value = 0;
auto obj = nullcheck(std::unique_ptr<int, SetToDeleter>(&value, SetToDeleter(4))).value();
auto obj2 = std::move(obj);
unique_ref<int, SetToDeleter> obj = nullcheck(std::unique_ptr<int, SetToDeleter>(&value, SetToDeleter(4))).value();
{
unique_ref<int, SetToDeleter> obj2 = std::move(obj);
EXPECT_EQ(0, value);
}
EXPECT_EQ(4, value);
}
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenMoveAssigned_thenDoesntCallCustomDeleterInstance) {
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenMoveAssigned_thenCallsCustomDeleterInstanceAfterSecondDestructed) {
int dummy = 0;
int value = 0;
auto obj = nullcheck(std::unique_ptr<int, SetToDeleter>(&value, SetToDeleter(4))).value();
auto obj2 = nullcheck(std::unique_ptr<int, SetToDeleter>(&dummy, SetToDeleter(0))).value();
unique_ref<int, SetToDeleter> obj = nullcheck(std::unique_ptr<int, SetToDeleter>(&value, SetToDeleter(4))).value();
{
unique_ref<int, SetToDeleter> obj2 = nullcheck(std::unique_ptr<int, SetToDeleter>(&dummy, SetToDeleter(0))).value();
obj2 = std::move(obj);
EXPECT_EQ(0, value);
}
EXPECT_EQ(4, value);
}
TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenDestructCalled_thenCallsCustomDeleterInstance) {
@ -738,7 +756,7 @@ TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenDestructCalled
EXPECT_FALSE(obj.isValid());
}
TEST_F(UniqueRefTest, givenUniquePtrWithCustomDeleterInstance_whenMovedToUniqueRef_thenHasSameDeleterInstance) {
TEST_F(UniqueRefTest, givenUniquePtrWithCustomDeleterInstance_whenMovedToUniquePtr_thenHasSameDeleterInstance) {
int dummy = 0;
SetToDeleter deleter(4);
auto ptr = std::unique_ptr<int, SetToDeleter>(&dummy, deleter);
@ -762,3 +780,14 @@ TEST_F(UniqueRefTest, givenUniqueRefWithCustomDeleterInstance_whenMoveAssigning_
ref2 = std::move(ref);
EXPECT_EQ(4, ref2.get_deleter().value_);
}
TEST_F(UniqueRefTest, AllowsMoveConstructingToUniqueRefOfConst) {
unique_ref<int> a = make_unique_ref<int>(3);
unique_ref<const int> b = std::move(a);
}
TEST_F(UniqueRefTest, AllowsMoveAssigningToUniqueRefOfConst) {
unique_ref<int> a = make_unique_ref<int>(3);
unique_ref<const int> b = make_unique_ref<int>(10);
b = std::move(a);
}