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Unified Diff: tests/CPlusPlusEleven.cpp

Issue 1809693002: Revert of Use std::unique_ptr. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 9 months ago
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Index: tests/CPlusPlusEleven.cpp
diff --git a/tests/CPlusPlusEleven.cpp b/tests/CPlusPlusEleven.cpp
index 5fbd46429d1373ca09281644e8dc9ee4c665ce9a..0cd2e937b24264cb4836073974b8d64166e5b046 100644
--- a/tests/CPlusPlusEleven.cpp
+++ b/tests/CPlusPlusEleven.cpp
@@ -28,3 +28,72 @@
Moveable src1; Moveable dst1(std::move(src1));
Moveable src2, dst2; dst2 = std::move(src2);
}
+
+#define TOO_BIG "The unique_ptr was bigger than expected."
+#define WEIRD_SIZE "The unique_ptr was a different size than expected."
+
+DEF_TEST(CPlusPlusEleven_UniquePtr, r) {
+ struct SmallUniquePtr {
+ Moveable* p;
+ };
+ struct BigUniquePtr {
+ void(*d)(Moveable*);
+ Moveable* p;
+ };
+
+ static_assert(sizeof(skstd::unique_ptr<Moveable>) == sizeof(SmallUniquePtr), TOO_BIG);
+ static_assert(sizeof(skstd::unique_ptr<Moveable[]>) == sizeof(SmallUniquePtr), TOO_BIG);
+
+ using proc = void(*)(Moveable*);
+ static_assert(sizeof(skstd::unique_ptr<Moveable, proc>) == sizeof(BigUniquePtr), WEIRD_SIZE);
+ static_assert(sizeof(skstd::unique_ptr<Moveable[], proc>) == sizeof(BigUniquePtr), WEIRD_SIZE);
+
+ {
+ skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, deleter<Moveable>);
+ static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE);
+
+ auto u2 = std::move(u);
+ static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE);
+ }
+
+ {
+ skstd::unique_ptr<Moveable, void(*)(Moveable*)> u(nullptr, [](Moveable* m){ deleter(m); });
+ static_assert(sizeof(u) == sizeof(BigUniquePtr), WEIRD_SIZE);
+
+ auto u2 = std::move(u);
+ static_assert(sizeof(u2) == sizeof(BigUniquePtr), WEIRD_SIZE);
+ }
+
+ {
+ auto d = [](Moveable* m){ deleter(m); };
+ skstd::unique_ptr<Moveable, decltype(d)> u(nullptr, d);
+ static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
+
+ auto u2 = std::move(u);
+ static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
+ }
+
+ {
+ skstd::unique_ptr<Moveable, Deleter<Moveable>> u(nullptr, Deleter<Moveable>());
+ static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
+
+ auto u2 = std::move(u);
+ static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
+ }
+
+ {
+ skstd::unique_ptr<Moveable, Deleter<Moveable>> u(new Moveable(), Deleter<Moveable>());
+ static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
+
+ auto u2 = std::move(u);
+ static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
+ }
+
+ {
+ skstd::unique_ptr<const void, Deleter<const void>> u(new Moveable(), Deleter<const void>());
+ static_assert(sizeof(u) == sizeof(SmallUniquePtr), TOO_BIG);
+
+ auto u2 = std::move(u);
+ static_assert(sizeof(u2) == sizeof(SmallUniquePtr), TOO_BIG);
+ }
+}
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