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Add some negative (and positive) static_assert checks for ArrayRef-of-pointer conversions introduced in r216709

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216830 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2014-08-31 01:33:41 +00:00
parent 6e153ad30a
commit 07f352637c
1 changed files with 17 additions and 0 deletions
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17
unittests/ADT/ArrayRefTest.cpp
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@ -13,6 +13,23 @@
#include "gtest/gtest.h"
using namespace llvm;
// Check that the ArrayRef-of-pointer converting constructor only allows adding
// cv qualifiers (not removing them, or otherwise changing the type)
static_assert(
std::is_convertible<ArrayRef<int *>, ArrayRef<const int *>>::value,
"Adding const");
static_assert(
std::is_convertible<ArrayRef<int *>, ArrayRef<volatile int *>>::value,
"Adding volatile");
static_assert(!std::is_convertible<ArrayRef<int *>, ArrayRef<float *>>::value,
"Changing pointer of one type to a pointer of another");
static_assert(
!std::is_convertible<ArrayRef<const int *>, ArrayRef<int *>>::value,
"Removing const");
static_assert(
!std::is_convertible<ArrayRef<volatile int *>, ArrayRef<int *>>::value,
"Removing volatile");
namespace llvm {
TEST(ArrayRefTest, AllocatorCopy) {