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KWSys 2016-01-07 (2418443e)

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Code extracted from:

    http://public.kitware.com/KWSys.git

at commit 2418443ed01e5caeb47908064fd4dad2eff4736f (master).

Upstream Shortlog
-----------------

Clinton Stimpson (1):
      2418443e FStream: Fix reading BOM on single-character files
This commit is contained in:
KWSys Upstream 2016-01-07 13:00:32 -05:00 committed by Brad King
parent ec1398d7ae
commit f2b0bf6e3f
2 changed files with 16 additions and 65 deletions
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2
FStream.cxx
View File

@ -34,6 +34,7 @@ BOM ReadBOM(std::istream& in)
in.read(reinterpret_cast<char*>(bom), 2);
if(!in.good())
{
in.clear();
in.seekg(orig);
return BOM_None;
}
@ -68,6 +69,7 @@ BOM ReadBOM(std::istream& in)
in.seekg(p);
return BOM_UTF16LE;
}
in.clear();
in.seekg(orig);
return BOM_None;
}

79
testFStream.cxx
View File

@ -41,8 +41,13 @@ static int testNoFile()
return 0;
}
static kwsys::FStream::BOM expected_bom[5] =
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,
@ -50,8 +55,10 @@ static kwsys::FStream::BOM expected_bom[5] =
kwsys::FStream::BOM_UTF32BE
};
static unsigned char expected_bom_data[5][5] =
static unsigned char expected_bom_data[num_test_files][5] =
{
{0},
{0},
{3, 0xEF, 0xBB, 0xBF},
{2, 0xFF, 0xFE},
{2, 0xFE, 0xFF},
@ -59,8 +66,10 @@ static unsigned char expected_bom_data[5][5] =
{4, 0x00, 0x00, 0xFE, 0xFF},
};
static unsigned char file_data[5][45] =
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},
@ -80,7 +89,7 @@ static unsigned char file_data[5][45] =
static int testBOM()
{
// test various encodings in binary mode
for(int i=0; i<5; i++)
for(int i=0; i<num_test_files; i++)
{
{
kwsys::ofstream out("bom.txt", kwsys::ofstream::binary);
@ -97,7 +106,7 @@ static int testBOM()
std::cout << "Unexpected BOM " << i << std::endl;
return 1;
}
char data[45];
char data[max_test_file_size];
in.read(data, file_data[i][0]);
if(!in.good())
{
@ -113,66 +122,6 @@ static int testBOM()
}
// test text file without bom
{
{
kwsys::ofstream out("bom.txt");
out << "Hello World";
}
kwsys::ifstream in("bom.txt");
kwsys::FStream::BOM bom = kwsys::FStream::ReadBOM(in);
if(bom != kwsys::FStream::BOM_None)
{
std::cout << "Unexpected BOM for none case" << std::endl;
return 1;
}
char data[45];
in.read(data, file_data[0][0]);
if(!in.good())
{
std::cout << "Unable to read data for none case" << std::endl;
return 1;
}
if(memcmp(data, file_data[0]+1, file_data[0][0]) != 0)
{
std::cout << "Incorrect read data for none case" << std::endl;
return 1;
}
}
// test text file with utf-8 bom
{
{
kwsys::ofstream out("bom.txt");
out.write(reinterpret_cast<const char*>(expected_bom_data[0]+1),
*expected_bom_data[0]);
out << "Hello World";
}
kwsys::ifstream in("bom.txt");
kwsys::FStream::BOM bom = kwsys::FStream::ReadBOM(in);
if(bom != kwsys::FStream::BOM_UTF8)
{
std::cout << "Unexpected BOM for utf-8 case" << std::endl;
return 1;
}
char data[45];
in.read(data, file_data[0][0]);
if(!in.good())
{
std::cout << "Unable to read data for utf-8 case" << std::endl;
return 1;
}
if(memcmp(data, file_data[0]+1, file_data[0][0]) != 0)
{
std::cout << "Incorrect read data for utf-8 case" << std::endl;
return 1;
}
}
return 0;
}