llvm/libcxx
1
0
Fork 0
mirror of https://github.com/llvm-mirror/libcxx.git synced 2025-10-24 03:32:35 +08:00
Code Issues Packages Projects Releases Wiki Activity

Void cast runtime-unused variables. Patch from STL@microsoft.com

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@268284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2016-05-02 19:15:48 +00:00
parent 61a220ae5b
commit a9ea11398d
23 changed files with 69 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
test/std/utilities/allocator.adaptor/allocator.adaptor.types/allocator_pointers.pass.cpp
View File

@@ -37,7 +37,10 @@ void test_pointer()
{
typename std::allocator_traits<Alloc>::pointer vp;
typename std::allocator_traits<Alloc>::const_pointer cvp;
((void)vp); // Prevent unused warning
((void)cvp); // Prevent unused warning
static_assert(std::is_same<bool, decltype( vp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > vp)>::value, "");
@@ -71,7 +74,10 @@ void test_void_pointer()
{
typename std::allocator_traits<Alloc>::void_pointer vp;
typename std::allocator_traits<Alloc>::const_void_pointer cvp;
((void)vp); // Prevent unused warning
((void)cvp); // Prevent unused warning
static_assert(std::is_same<bool, decltype( vp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > vp)>::value, "");

10
test/std/utilities/memory/default.allocator/allocator_pointers.pass.cpp
View File

@@ -36,7 +36,10 @@ void test_pointer()
{
typename std::allocator_traits<Alloc>::pointer vp;
typename std::allocator_traits<Alloc>::const_pointer cvp;
((void)vp); // Prevent unused warning
((void)cvp); // Prevent unused warning
static_assert(std::is_same<bool, decltype( vp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > vp)>::value, "");
@@ -70,7 +73,10 @@ void test_void_pointer()
{
typename std::allocator_traits<Alloc>::void_pointer vp;
typename std::allocator_traits<Alloc>::const_void_pointer cvp;
((void)vp); // Prevent unused warning
((void)cvp); // Prevent unused warning
static_assert(std::is_same<bool, decltype( vp == vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp != vp)>::value, "");
static_assert(std::is_same<bool, decltype( vp > vp)>::value, "");

6
test/std/utilities/time/date.time/ctime.pass.cpp
View File

@@ -21,11 +21,15 @@
int main()
{
std::clock_t c = 0;
((void)c); // avoid unused warning
std::size_t s = 0;
std::time_t t = 0;
std::tm tm = {0};
char str[3];
((void)c); // Prevent unused warning
((void)s); // Prevent unused warning
((void)t); // Prevent unused warning
((void)tm); // Prevent unused warning
((void)str); // Prevent unused warning
static_assert((std::is_same<decltype(std::clock()), std::clock_t>::value), "");
static_assert((std::is_same<decltype(std::difftime(t,t)), double>::value), "");
static_assert((std::is_same<decltype(std::mktime(&tm)), std::time_t>::value), "");

3
test/std/utilities/utility/forward/forward.pass.cpp
View File

@@ -39,6 +39,9 @@ int main()
A a;
const A ca = A();
((void)a); // Prevent unused warning
((void)ca); // Prevent unused warning
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
static_assert(sizeof(test(std::forward<A>(a))) == 4, "");