Method FileInputStreamReader

tests/lib/testlib.h:1744–1746

public:
    FileInputStreamReader(std::FILE *file, const std::string &name) : file(file), name(name), line(1) {
        // No operations.
    }

    void setTestCase(int testCase) {
        if (testCase < 0 || testCase > __TESTLIB_MAX_TEST_CASE)