lix/tests/unit/libstore-support/tests/path.cc
eldritch horrors 1342c8f18e Merge pull request #10074 from lf-/jade/ban-implicit-fallthrough
Warn on implicit switch case fallthrough

(cherry picked from commit 21282c3c204597641402c6bcff8fc9ee7bc31fa1)
Change-Id: I5ebbdfb6c037d2c55254f37dd391c07c2ce7443e
2024-03-07 00:11:12 -07:00

85 lines
1.8 KiB
C++

#include <regex>
#include <rapidcheck.h>
#include "path-regex.hh"
#include "store-api.hh"
#include "tests/hash.hh"
#include "tests/path.hh"
namespace nix {
void showValue(const StorePath & p, std::ostream & os)
{
os << p.to_string();
}
}
namespace rc {
using namespace nix;
Gen<StorePathName> Arbitrary<StorePathName>::arbitrary()
{
auto len = *gen::inRange<size_t>(
1,
StorePath::MaxPathLen - StorePath::HashLen);
std::string pre;
pre.reserve(len);
for (size_t c = 0; c < len; ++c) {
switch (auto i = *gen::inRange<uint8_t>(0, 10 + 2 * 26 + 6)) {
case 0 ... 9:
pre += '0' + i;
break;
case 10 ... 35:
pre += 'A' + (i - 10);
break;
case 36 ... 61:
pre += 'a' + (i - 36);
break;
case 62:
pre += '+';
break;
case 63:
pre += '-';
break;
case 64:
// names aren't permitted to start with a period,
// so just fall through to the next case here
if (c != 0) {
pre += '.';
break;
}
[[fallthrough]];
case 65:
pre += '_';
break;
case 66:
pre += '?';
break;
case 67:
pre += '=';
break;
default:
assert(false);
}
}
return gen::just(StorePathName {
.name = std::move(pre),
});
}
Gen<StorePath> Arbitrary<StorePath>::arbitrary()
{
return gen::just(StorePath {
*gen::arbitrary<Hash>(),
(*gen::arbitrary<StorePathName>()).name,
});
}
} // namespace rc