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libutil: Add alignUp helper function

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Sergei Zimmerman 2025-10-20 21:08:49 +03:00
parent ddf7de0a76
commit a91b787524
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4 changed files with 43 additions and 0 deletions
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18
src/libutil-tests/alignment.cc Normal file
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@ -0,0 +1,18 @@
#include "nix/util/alignment.hh"
#include <gtest/gtest.h>
namespace nix {
TEST(alignUp, value)
{
for (uint64_t i = 1; i <= 8; ++i)
EXPECT_EQ(alignUp(i, 8), 8);
}
TEST(alignUp, notAPowerOf2)
{
ASSERT_DEATH({ alignUp(1u, 42); }, "alignment must be a power of 2");
}
} // namespace nix

1
src/libutil-tests/meson.build
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@ -44,6 +44,7 @@ config_priv_h = configure_file(
subdir('nix-meson-build-support/common')
sources = files(
'alignment.cc',
'archive.cc',
'args.cc',
'base-n.cc',