Jia Sui
4fde941291
只接 std::exception 的话，第三方库或跨 FFI 边界抛出来的东西照样会逃出 main 走 abort， 和上一个 commit 修掉的是同一类故障：ctest 看不到原因，栈也不展开。引擎内现有的抛出确实 都是 std::exception 派生，但这一层缺的是「无论什么异常都到不了 terminate」的保证，补上它 才让 main 的边界真正闭合。 只加 catch 分支，输出通道沿用各文件原来那一个（fprintf / cerr / fmt::println）， 不改任何断言。
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#include "../../core/data_path.h"
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#include <cstdlib>
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#include <filesystem>
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#include <stdexcept>
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#include <cstdio>
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namespace
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{
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void set_data_directory(const std::filesystem::path &path)
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{
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#ifdef _WIN32
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if (_wputenv_s(L"METASEQUOIA_IME_DATA_DIR", path.c_str()) != 0)
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#else
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if (setenv("METASEQUOIA_IME_DATA_DIR", metasequoia::path_to_utf8(path).c_str(), 1) != 0)
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#endif
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{
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throw std::runtime_error("Failed to set the data directory override.");
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}
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}
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} // namespace
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int run_test()
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{
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const std::filesystem::path expected =
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std::filesystem::temp_directory_path() / std::filesystem::u8path("metasequoia-ime-词库");
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set_data_directory(expected);
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if (metasequoia::data_directory() != expected)
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{
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throw std::runtime_error("The data directory override was ignored.");
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}
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if (metasequoia::data_file_path("msime.db") != expected / "msime.db")
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{
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throw std::runtime_error("The data file path was not joined with the platform separator.");
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}
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if (metasequoia::path_to_utf8(metasequoia::data_file_path(std::filesystem::u8path("词库.db"))) !=
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metasequoia::path_to_utf8(expected / std::filesystem::u8path("词库.db")))
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{
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throw std::runtime_error("The data file path was not preserved as UTF-8.");
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}
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return 0;
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}
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int main()
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{
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try
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{
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return run_test();
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}
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catch (const std::exception &error)
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{
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std::fprintf(stderr, "%s\n", error.what());
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return 1;
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}
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catch (...)
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{
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std::fprintf(stderr, "An exception escaped the test body.\n");
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return 1;
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}
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}
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