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|
///////////////////////////////////////////////////////////////////////////////
// Name: tests/textfile/textfile.cpp
// Purpose: wxTextFile unit test
// Author: Vadim Zeitlin
// Created: 2006-03-31
// Copyright: (c) 2006 Vadim Zeitlin
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_TEXTFILE
#ifndef WX_PRECOMP
#endif // WX_PRECOMP
#include "wx/ffile.h"
#include "wx/textfile.h"
#ifdef __VISUALC__
#define unlink _unlink
#endif
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class TextFileTestCase : public CppUnit::TestCase
{
public:
TextFileTestCase()
{
srand((unsigned)time(NULL));
}
virtual void tearDown() { unlink(GetTestFileName()); }
private:
CPPUNIT_TEST_SUITE( TextFileTestCase );
CPPUNIT_TEST( ReadEmpty );
CPPUNIT_TEST( ReadDOS );
CPPUNIT_TEST( ReadDOSLast );
CPPUNIT_TEST( ReadUnix );
CPPUNIT_TEST( ReadUnixLast );
CPPUNIT_TEST( ReadMac );
CPPUNIT_TEST( ReadMacLast );
CPPUNIT_TEST( ReadMixed );
CPPUNIT_TEST( ReadMixedWithFuzzing );
CPPUNIT_TEST( ReadCRCRLF );
#if wxUSE_UNICODE
CPPUNIT_TEST( ReadUTF8 );
CPPUNIT_TEST( ReadUTF16 );
#endif // wxUSE_UNICODE
CPPUNIT_TEST( ReadBig );
CPPUNIT_TEST_SUITE_END();
void ReadEmpty();
void ReadDOS();
void ReadDOSLast();
void ReadUnix();
void ReadUnixLast();
void ReadMac();
void ReadMacLast();
void ReadMixed();
void ReadMixedWithFuzzing();
void ReadCRCRLF();
#if wxUSE_UNICODE
void ReadUTF8();
void ReadUTF16();
#endif // wxUSE_UNICODE
void ReadBig();
// return the name of the test file we use
static const char *GetTestFileName() { return "textfiletest.txt"; }
// create the test file with the given contents
static void CreateTestFile(const char *contents)
{
CreateTestFile(strlen(contents), contents);
}
// create the test file with the given contents (version must be used if
// contents contains NULs)
static void CreateTestFile(size_t len, const char *contents);
DECLARE_NO_COPY_CLASS(TextFileTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( TextFileTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextFileTestCase, "TextFileTestCase" );
void TextFileTestCase::CreateTestFile(size_t len, const char *contents)
{
FILE *f = fopen(GetTestFileName(), "wb");
CPPUNIT_ASSERT( f );
CPPUNIT_ASSERT_EQUAL( len, fwrite(contents, 1, len, f) );
CPPUNIT_ASSERT_EQUAL( 0, fclose(f) );
}
void TextFileTestCase::ReadEmpty()
{
CreateTestFile("");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
CPPUNIT_ASSERT_EQUAL( (size_t)0, f.GetLineCount() );
}
void TextFileTestCase::ReadDOS()
{
CreateTestFile("foo\r\nbar\r\nbaz");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
}
void TextFileTestCase::ReadDOSLast()
{
CreateTestFile("foo\r\n");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
CPPUNIT_ASSERT_EQUAL( 1, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( "foo", f.GetFirstLine() );
}
void TextFileTestCase::ReadUnix()
{
CreateTestFile("foo\nbar\nbaz");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
}
void TextFileTestCase::ReadUnixLast()
{
CreateTestFile("foo\n");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
CPPUNIT_ASSERT_EQUAL( 1, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( "foo", f.GetFirstLine() );
}
void TextFileTestCase::ReadMac()
{
CreateTestFile("foo\rbar\r\rbaz");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
CPPUNIT_ASSERT_EQUAL( (size_t)4, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(1) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(2) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(3) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("foo")), f.GetLine(0) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("")), f.GetLine(2) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
}
void TextFileTestCase::ReadMacLast()
{
CreateTestFile("foo\r");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
CPPUNIT_ASSERT_EQUAL( 1, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( "foo", f.GetFirstLine() );
}
void TextFileTestCase::ReadMixed()
{
CreateTestFile("foo\rbar\r\nbaz\n");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(1) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(2) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("foo")), f.GetFirstLine() );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
}
void TextFileTestCase::ReadMixedWithFuzzing()
{
for ( int iteration = 0; iteration < 100; iteration++)
{
// Create a random buffer with lots of newlines. This is intended to catch
// bad parsing in unexpected situations such as the one from ReadCRCRLF()
// (which is so common it deserves a test of its own).
static const char CHOICES[] = {'\r', '\n', 'X'};
const size_t BUF_LEN = 100;
char data[BUF_LEN + 1];
data[0] = 'X';
data[BUF_LEN] = '\0';
unsigned linesCnt = 0;
for ( size_t i = 1; i < BUF_LEN; i++ )
{
char ch = CHOICES[rand() % WXSIZEOF(CHOICES)];
data[i] = ch;
if ( ch == '\r' || (ch == '\n' && data[i-1] != '\r') )
linesCnt++;
}
if (data[BUF_LEN-1] != '\r' && data[BUF_LEN-1] != '\n')
linesCnt++; // last line was unterminated
CreateTestFile(data);
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
CPPUNIT_ASSERT_EQUAL( (size_t)linesCnt, f.GetLineCount() );
}
}
void TextFileTestCase::ReadCRCRLF()
{
// Notepad may create files with CRCRLF line endings (see
// http://stackoverflow.com/questions/6998506/text-file-with-0d-0d-0a-line-breaks).
// Older versions of wx would loose all data when reading such files.
// Test that the data are read, but don't worry about empty lines in between or
// line endings. Also include a longer streak of CRs, because they can
// happen as well.
CreateTestFile("foo\r\r\nbar\r\r\r\nbaz\r\r\n");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
wxString all;
for ( wxString str = f.GetFirstLine(); !f.Eof(); str = f.GetNextLine() )
all += str;
CPPUNIT_ASSERT_EQUAL( "foobarbaz", all );
}
#if wxUSE_UNICODE
void TextFileTestCase::ReadUTF8()
{
CreateTestFile("\xd0\x9f\n"
"\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82");
wxTextFile f;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), wxConvUTF8) );
CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
#ifdef wxHAVE_U_ESCAPE
CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
f.GetLastLine() );
#endif // wxHAVE_U_ESCAPE
}
void TextFileTestCase::ReadUTF16()
{
CreateTestFile(16,
"\x1f\x04\x0d\x00\x0a\x00"
"\x40\x04\x38\x04\x32\x04\x35\x04\x42\x04");
wxTextFile f;
wxMBConvUTF16LE conv;
CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), conv) );
CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
#ifdef wxHAVE_U_ESCAPE
CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
f.GetLastLine() );
#endif // wxHAVE_U_ESCAPE
}
#endif // wxUSE_UNICODE
void TextFileTestCase::ReadBig()
{
static const size_t NUM_LINES = 10000;
{
wxFFile f(GetTestFileName(), "w");
for ( size_t n = 0; n < NUM_LINES; n++ )
{
fprintf(f.fp(), "Line %lu\n", (unsigned long)n + 1);
}
}
wxTextFile f;
CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
CPPUNIT_ASSERT_EQUAL( NUM_LINES, f.GetLineCount() );
CPPUNIT_ASSERT_EQUAL( wxString("Line 1"), f[0] );
CPPUNIT_ASSERT_EQUAL( wxString("Line 999"), f[998] );
CPPUNIT_ASSERT_EQUAL( wxString("Line 1000"), f[999] );
CPPUNIT_ASSERT_EQUAL( wxString::Format("Line %lu", (unsigned long)NUM_LINES),
f[NUM_LINES - 1] );
}
#endif // wxUSE_TEXTFILE
|
