v31.1-roots.1 · Commit 7: [PATCH 07/17] feat(rpc): preserve Roots operator interfaces on v31
src/test/fs_tests.cpp
Before: src/test/fs_tests.cpp · After: src/test/fs_tests.cpp
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index 988ab18d08dfd72c1e91717ff072c9578e38cb9b..79773b0acd3e595525dffb3d6c23e195c8340a16 100644
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src/test/fs_tests.cpp
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@@ -8,11 +8,17 @@
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#include <boost/test/unit_test.hpp>
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#include <cstdio>
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#include <fstream>
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#include <ios>
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#include <limits>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#ifndef WIN32
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#include <sys/resource.h>
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#include <unistd.h>
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#endif
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@@ -160,4 +166,43 @@ BOOST_AUTO_TEST_CASE(rename)
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fs::remove(path2);
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}
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#ifndef WIN32
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BOOST_AUTO_TEST_CASE(file_descriptor_limit_bounds)
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{
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struct rlimit limit{};
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BOOST_REQUIRE_EQUAL(getrlimit(RLIMIT_NOFILE, &limit), 0);
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const int expected{limit.rlim_cur == RLIM_INFINITY || std::cmp_greater_equal(limit.rlim_cur, std::numeric_limits<int>::max())
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? std::numeric_limits<int>::max() : static_cast<int>(limit.rlim_cur)};
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// A zero request must retain the current soft limit, saturating the int result.
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BOOST_CHECK_EQUAL(RaiseFileDescriptorLimit(0), expected);
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struct rlimit after{};
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BOOST_REQUIRE_EQUAL(getrlimit(RLIMIT_NOFILE, &after), 0);
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BOOST_CHECK_EQUAL(after.rlim_cur, limit.rlim_cur);
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BOOST_CHECK_EQUAL(after.rlim_max, limit.rlim_max);
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}
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#endif
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BOOST_AUTO_TEST_CASE(allocate_file_range_preserves_data)
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{
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const auto path{m_args.GetDataDirBase() / "allocate-range.dat"};
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const auto close_file{[](FILE* file) { std::fclose(file); }};
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std::unique_ptr<FILE, decltype(close_file)> file{fsbridge::fopen(path, "w+b"), close_file};
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BOOST_REQUIRE(file);
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std::vector<unsigned char> contents(3 * 65536);
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for (size_t i{0}; i < contents.size(); ++i) contents[i] = static_cast<unsigned char>(i / 65536 + 1);
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BOOST_REQUIRE_EQUAL(std::fwrite(contents.data(), 1, contents.size(), file.get()), contents.size());
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BOOST_REQUIRE_EQUAL(std::fflush(file.get()), 0);
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AllocateFileRange(file.get(), 65536, static_cast<unsigned int>(contents.size() - 65536 + 256));
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BOOST_REQUIRE_EQUAL(std::fseek(file.get(), 0, SEEK_SET), 0);
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std::vector<unsigned char> actual(contents.size());
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BOOST_REQUIRE_EQUAL(std::fread(actual.data(), 1, actual.size(), file.get()), actual.size());
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BOOST_CHECK(actual == contents);
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// Allocation entirely inside a live file must never shorten it.
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AllocateFileRange(file.get(), 65536, 128);
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BOOST_REQUIRE_EQUAL(std::fseek(file.get(), 0, SEEK_END), 0);
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BOOST_CHECK_EQUAL(std::ftell(file.get()), contents.size() + 256);
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}
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BOOST_AUTO_TEST_SUITE_END()
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