| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing#kwsys for details. */ |
| #include "kwsysPrivate.h" |
| |
| #if defined(_MSC_VER) |
| # pragma warning(disable : 4786) |
| #endif |
| |
| #include KWSYS_HEADER(FStream.hxx) |
| #include <string.h> |
| #ifdef __BORLANDC__ |
| # include <mem.h> /* memcmp */ |
| #endif |
| |
| // Work-around CMake dependency scanning limitation. This must |
| // duplicate the above list of headers. |
| #if 0 |
| # include "FStream.hxx.in" |
| #endif |
| |
| #include <iostream> |
| |
| static int testNoFile() |
| { |
| kwsys::ifstream in_file("NoSuchFile.txt"); |
| if (in_file) { |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| static const int num_test_files = 7; |
| static const int max_test_file_size = 45; |
| |
| static kwsys::FStream::BOM expected_bom[num_test_files] = { |
| kwsys::FStream::BOM_None, kwsys::FStream::BOM_None, |
| kwsys::FStream::BOM_UTF8, kwsys::FStream::BOM_UTF16LE, |
| kwsys::FStream::BOM_UTF16BE, kwsys::FStream::BOM_UTF32LE, |
| kwsys::FStream::BOM_UTF32BE |
| }; |
| |
| static unsigned char expected_bom_data[num_test_files][5] = { |
| { 0 }, |
| { 0 }, |
| { 3, 0xEF, 0xBB, 0xBF }, |
| { 2, 0xFF, 0xFE }, |
| { 2, 0xFE, 0xFF }, |
| { 4, 0xFF, 0xFE, 0x00, 0x00 }, |
| { 4, 0x00, 0x00, 0xFE, 0xFF }, |
| }; |
| |
| static unsigned char file_data[num_test_files][max_test_file_size] = { |
| { 1, 'H' }, |
| { 11, 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd' }, |
| { 11, 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd' }, |
| { 22, 0x48, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x6C, 0x00, 0x6F, 0x00, 0x20, |
| 0x00, 0x57, 0x00, 0x6F, 0x00, 0x72, 0x00, 0x6C, 0x00, 0x64, 0x00 }, |
| { 22, 0x00, 0x48, 0x00, 0x65, 0x00, 0x6C, 0x00, 0x6C, 0x00, 0x6F, 0x00, |
| 0x20, 0x00, 0x57, 0x00, 0x6F, 0x00, 0x72, 0x00, 0x6C, 0x00, 0x64 }, |
| { 44, 0x48, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, |
| 0x00, 0x6C, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, |
| 0x00, 0x57, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, 0x72, 0x00, 0x00, |
| 0x00, 0x6C, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00 }, |
| { 44, 0x00, 0x00, 0x00, 0x48, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, |
| 0x6C, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, |
| 0x20, 0x00, 0x00, 0x00, 0x57, 0x00, 0x00, 0x00, 0x6F, 0x00, 0x00, 0x00, |
| 0x72, 0x00, 0x00, 0x00, 0x6C, 0x00, 0x00, 0x00, 0x64 }, |
| }; |
| |
| static int testBOM() |
| { |
| // test various encodings in binary mode |
| for (int i = 0; i < num_test_files; i++) { |
| { |
| kwsys::ofstream out("bom.txt", kwsys::ofstream::binary); |
| out.write(reinterpret_cast<const char*>(expected_bom_data[i] + 1), |
| *expected_bom_data[i]); |
| out.write(reinterpret_cast<const char*>(file_data[i] + 1), |
| file_data[i][0]); |
| } |
| |
| kwsys::ifstream in("bom.txt", kwsys::ofstream::binary); |
| kwsys::FStream::BOM bom = kwsys::FStream::ReadBOM(in); |
| if (bom != expected_bom[i]) { |
| std::cout << "Unexpected BOM " << i << std::endl; |
| return 1; |
| } |
| char data[max_test_file_size]; |
| in.read(data, file_data[i][0]); |
| if (!in.good()) { |
| std::cout << "Unable to read data " << i << std::endl; |
| return 1; |
| } |
| |
| if (memcmp(data, file_data[i] + 1, file_data[i][0]) != 0) { |
| std::cout << "Incorrect read data " << i << std::endl; |
| return 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| int testFStream(int, char* []) |
| { |
| int ret = 0; |
| |
| ret |= testNoFile(); |
| ret |= testBOM(); |
| |
| return ret; |
| } |