LineageOS/android_external_libcxx
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix the recently introduced test to work on C++03

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@304629 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2017-06-03 01:21:29 +00:00
parent b1d8bca727
commit 118d2fef02
1 changed files with 13 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
test/libcxx/containers/unord/next_pow2.pass.cpp
View File

@@ -8,6 +8,7 @@
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// //
// REQUIRES: long_tests // REQUIRES: long_tests
// UNSUPPORTED: c++98, c++03
// Not a portable test // Not a portable test
@@ -30,6 +31,12 @@ is_power_of_two(unsigned long n)
return __builtin_popcount(n) == 1; return __builtin_popcount(n) == 1;
} }
void test_next_pow2_val(size_t n)
{
std::size_t npow2 = std::__next_hash_pow2(n);
assert(is_power_of_two(npow2) && npow2 > n);
}
void void
test_next_pow2() test_next_pow2()
{ {
@@ -47,11 +54,12 @@ test_next_pow2()
assert(std::__next_hash_pow2(pow2) == pow2); assert(std::__next_hash_pow2(pow2) == pow2);
} }
for (std::size_t n : {3, 7, 9, 15, 127, 129}) test_next_pow2_val(3);
{ test_next_pow2_val(7);
std::size_t npow2 = std::__next_hash_pow2(n); test_next_pow2_val(9);
assert(is_power_of_two(npow2) && npow2 > n); test_next_pow2_val(15);
} test_next_pow2_val(127);
test_next_pow2_val(129);
} }
// Note: this is only really useful when run with -fsanitize=undefined. // Note: this is only really useful when run with -fsanitize=undefined.