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-rw-r--r--core/fxcrt/cfx_retain_ptr.h7
-rw-r--r--core/fxcrt/cfx_retain_ptr_unittest.cpp23
2 files changed, 29 insertions, 1 deletions
diff --git a/core/fxcrt/cfx_retain_ptr.h b/core/fxcrt/cfx_retain_ptr.h
index 0267ae04cd..5db384f334 100644
--- a/core/fxcrt/cfx_retain_ptr.h
+++ b/core/fxcrt/cfx_retain_ptr.h
@@ -44,7 +44,7 @@ class CFX_RetainPtr {
T* Get() const { return m_pObj.get(); }
void Swap(CFX_RetainPtr& that) { m_pObj.swap(that.m_pObj); }
- // TODO(tsepez): temporary scaffolding, to be removed.
+ // Useful for passing notion of object ownership across a C API.
T* Leak() { return m_pObj.release(); }
void Unleak(T* ptr) { m_pObj.reset(ptr); }
@@ -54,6 +54,11 @@ class CFX_RetainPtr {
return *this;
}
+ CFX_RetainPtr& operator=(CFX_RetainPtr&& that) {
+ m_pObj.reset(that.Leak());
+ return *this;
+ }
+
bool operator==(const CFX_RetainPtr& that) const {
return Get() == that.Get();
}
diff --git a/core/fxcrt/cfx_retain_ptr_unittest.cpp b/core/fxcrt/cfx_retain_ptr_unittest.cpp
index 3168b5a4c7..f097b4b28c 100644
--- a/core/fxcrt/cfx_retain_ptr_unittest.cpp
+++ b/core/fxcrt/cfx_retain_ptr_unittest.cpp
@@ -65,6 +65,8 @@ TEST(fxcrt, RetainPtrMoveCtor) {
CFX_RetainPtr<PseudoRetainable> ptr1(&obj);
{
CFX_RetainPtr<PseudoRetainable> ptr2(std::move(ptr1));
+ EXPECT_EQ(nullptr, ptr1.Get());
+ EXPECT_EQ(&obj, ptr2.Get());
EXPECT_EQ(1, obj.retain_count());
EXPECT_EQ(0, obj.release_count());
}
@@ -185,6 +187,27 @@ TEST(fxcrt, RetainPtrAssign) {
EXPECT_EQ(2, obj.release_count());
}
+TEST(fxcrt, RetainPtrMoveAssign) {
+ PseudoRetainable obj;
+ {
+ CFX_RetainPtr<PseudoRetainable> ptr1(&obj);
+ {
+ CFX_RetainPtr<PseudoRetainable> ptr2;
+ EXPECT_EQ(&obj, ptr1.Get());
+ EXPECT_EQ(nullptr, ptr2.Get());
+ ptr2 = std::move(ptr1);
+ EXPECT_EQ(nullptr, ptr1.Get());
+ EXPECT_EQ(&obj, ptr2.Get());
+ EXPECT_EQ(1, obj.retain_count());
+ EXPECT_EQ(0, obj.release_count());
+ }
+ EXPECT_EQ(1, obj.retain_count());
+ EXPECT_EQ(1, obj.release_count());
+ }
+ EXPECT_EQ(1, obj.retain_count());
+ EXPECT_EQ(1, obj.release_count());
+}
+
TEST(fxcrt, RetainPtrEquals) {
PseudoRetainable obj1;
PseudoRetainable obj2;