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test(compat): test has_valid_section_index()

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Marcus Holland-Moritz 2025-08-28 20:34:31 +02:00
parent 968328d0bb
commit a2db02126f
1 changed files with 27 additions and 5 deletions
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32
test/compat_test.cpp
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@ -925,13 +925,32 @@ void walk_tree(reader::filesystem_v2 const& fs, T& cb,
} }
} }
int compare_versions(std::string_view v1str, std::string_view v2str) {
auto const v1 = split_to<std::vector<int>>(v1str, '.');
auto const v2 = split_to<std::vector<int>>(v2str, '.');
for (size_t i = 0; i < std::max(v1.size(), v2.size()); ++i) {
auto const n1 = i < v1.size() ? v1[i] : 0;
auto const n2 = i < v2.size() ? v2[i] : 0;
if (n1 > n2) {
return 1;
}
if (n1 < n2) {
return -1;
}
}
return 0;
}
void check_compat(logger& lgr [[maybe_unused]], reader::filesystem_v2 const& fs, void check_compat(logger& lgr [[maybe_unused]], reader::filesystem_v2 const& fs,
std::string const& version, bool enable_nlink) { std::string const& version, bool enable_nlink) {
bool const has_devices = not(version == "0.2.0" or version == "0.2.3"); bool const has_devices = compare_versions(version, "0.3.0") >= 0;
bool const has_ac_time = version == "0.2.0" or version == "0.2.3"; bool const has_ac_time = compare_versions(version, "0.3.0") < 0;
bool const nlink_affects_blocks = bool const nlink_affects_blocks = compare_versions(version, "0.5.0") >= 0;
not(version.starts_with("0.2.") or version.starts_with("0.3.") or bool const has_section_index = compare_versions(version, "0.6.0") >= 0;
version.starts_with("0.4."));
auto const expected_blocks = auto const expected_blocks =
nlink_affects_blocks and enable_nlink ? 2747 : 10614; nlink_affects_blocks and enable_nlink ? 2747 : 10614;
@ -956,6 +975,8 @@ void check_compat(logger& lgr [[maybe_unused]], reader::filesystem_v2 const& fs,
auto entry = fs.find("/format.sh"); auto entry = fs.find("/format.sh");
EXPECT_EQ(has_section_index, fs.has_valid_section_index());
ASSERT_TRUE(entry); ASSERT_TRUE(entry);
auto iv = entry->inode(); auto iv = entry->inode();
auto st = fs.getattr(iv); auto st = fs.getattr(iv);
@ -1446,6 +1467,7 @@ TEST_P(rewrite, filesystem_rewrite) {
reader::filesystem_v2 fs(lgr, os, mm); reader::filesystem_v2 fs(lgr, os, mm);
check_dynamic(version, fs, origmm, rebuild_metadata.has_value()); check_dynamic(version, fs, origmm, rebuild_metadata.has_value());
check_checksums(fs); check_checksums(fs);
EXPECT_TRUE(fs.has_valid_section_index());
} }
rewritten.str(std::string()); rewritten.str(std::string());