8f8d58d193
Change {DECLARE,IMPLEMENT}_*CLASS and {DECLARE,BEGIN,END}_EVENT_TABLE
occurrences to use the wx-prefixed version of the macros.
340 lines
10 KiB
C++
340 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/textfile/textfile.cpp
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// Purpose: wxTextFile unit test
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// Author: Vadim Zeitlin
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// Created: 2006-03-31
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// Copyright: (c) 2006 Vadim Zeitlin
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_TEXTFILE
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#ifndef WX_PRECOMP
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#endif // WX_PRECOMP
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#include "wx/ffile.h"
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#include "wx/textfile.h"
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#ifdef __VISUALC__
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#define unlink _unlink
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#endif
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class TextFileTestCase : public CppUnit::TestCase
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{
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public:
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TextFileTestCase()
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{
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srand((unsigned)time(NULL));
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}
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virtual void tearDown() { unlink(GetTestFileName()); }
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private:
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CPPUNIT_TEST_SUITE( TextFileTestCase );
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CPPUNIT_TEST( ReadEmpty );
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CPPUNIT_TEST( ReadDOS );
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CPPUNIT_TEST( ReadDOSLast );
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CPPUNIT_TEST( ReadUnix );
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CPPUNIT_TEST( ReadUnixLast );
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CPPUNIT_TEST( ReadMac );
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CPPUNIT_TEST( ReadMacLast );
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CPPUNIT_TEST( ReadMixed );
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CPPUNIT_TEST( ReadMixedWithFuzzing );
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CPPUNIT_TEST( ReadCRCRLF );
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#if wxUSE_UNICODE
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CPPUNIT_TEST( ReadUTF8 );
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CPPUNIT_TEST( ReadUTF16 );
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#endif // wxUSE_UNICODE
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CPPUNIT_TEST( ReadBig );
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CPPUNIT_TEST_SUITE_END();
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void ReadEmpty();
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void ReadDOS();
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void ReadDOSLast();
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void ReadUnix();
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void ReadUnixLast();
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void ReadMac();
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void ReadMacLast();
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void ReadMixed();
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void ReadMixedWithFuzzing();
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void ReadCRCRLF();
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#if wxUSE_UNICODE
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void ReadUTF8();
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void ReadUTF16();
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#endif // wxUSE_UNICODE
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void ReadBig();
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// return the name of the test file we use
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static const char *GetTestFileName() { return "textfiletest.txt"; }
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// create the test file with the given contents
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static void CreateTestFile(const char *contents)
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{
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CreateTestFile(strlen(contents), contents);
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}
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// create the test file with the given contents (version must be used if
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// contents contains NULs)
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static void CreateTestFile(size_t len, const char *contents);
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wxDECLARE_NO_COPY_CLASS(TextFileTestCase);
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};
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION( TextFileTestCase );
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// also include in its own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextFileTestCase, "TextFileTestCase" );
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void TextFileTestCase::CreateTestFile(size_t len, const char *contents)
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{
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FILE *f = fopen(GetTestFileName(), "wb");
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CPPUNIT_ASSERT( f );
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CPPUNIT_ASSERT_EQUAL( len, fwrite(contents, 1, len, f) );
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CPPUNIT_ASSERT_EQUAL( 0, fclose(f) );
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}
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void TextFileTestCase::ReadEmpty()
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{
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CreateTestFile("");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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CPPUNIT_ASSERT_EQUAL( (size_t)0, f.GetLineCount() );
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}
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void TextFileTestCase::ReadDOS()
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{
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CreateTestFile("foo\r\nbar\r\nbaz");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
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}
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void TextFileTestCase::ReadDOSLast()
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{
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CreateTestFile("foo\r\n");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
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CPPUNIT_ASSERT_EQUAL( 1, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( "foo", f.GetFirstLine() );
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}
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void TextFileTestCase::ReadUnix()
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{
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CreateTestFile("foo\nbar\nbaz");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
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}
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void TextFileTestCase::ReadUnixLast()
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{
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CreateTestFile("foo\n");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
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CPPUNIT_ASSERT_EQUAL( 1, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( "foo", f.GetFirstLine() );
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}
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void TextFileTestCase::ReadMac()
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{
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CreateTestFile("foo\rbar\r\rbaz");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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CPPUNIT_ASSERT_EQUAL( (size_t)4, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(1) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(2) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(3) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("foo")), f.GetLine(0) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("")), f.GetLine(2) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
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}
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void TextFileTestCase::ReadMacLast()
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{
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CreateTestFile("foo\r");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
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CPPUNIT_ASSERT_EQUAL( 1, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( "foo", f.GetFirstLine() );
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}
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void TextFileTestCase::ReadMixed()
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{
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CreateTestFile("foo\rbar\r\nbaz\n");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(1) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(2) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("foo")), f.GetFirstLine() );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
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CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
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}
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void TextFileTestCase::ReadMixedWithFuzzing()
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{
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for ( int iteration = 0; iteration < 100; iteration++)
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{
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// Create a random buffer with lots of newlines. This is intended to catch
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// bad parsing in unexpected situations such as the one from ReadCRCRLF()
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// (which is so common it deserves a test of its own).
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static const char CHOICES[] = {'\r', '\n', 'X'};
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const size_t BUF_LEN = 100;
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char data[BUF_LEN + 1];
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data[0] = 'X';
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data[BUF_LEN] = '\0';
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unsigned linesCnt = 0;
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for ( size_t i = 1; i < BUF_LEN; i++ )
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{
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char ch = CHOICES[rand() % WXSIZEOF(CHOICES)];
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data[i] = ch;
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if ( ch == '\r' || (ch == '\n' && data[i-1] != '\r') )
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linesCnt++;
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}
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if (data[BUF_LEN-1] != '\r' && data[BUF_LEN-1] != '\n')
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linesCnt++; // last line was unterminated
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CreateTestFile(data);
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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CPPUNIT_ASSERT_EQUAL( (size_t)linesCnt, f.GetLineCount() );
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}
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}
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void TextFileTestCase::ReadCRCRLF()
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{
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// Notepad may create files with CRCRLF line endings (see
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// http://stackoverflow.com/questions/6998506/text-file-with-0d-0d-0a-line-breaks).
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// Older versions of wx would loose all data when reading such files.
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// Test that the data are read, but don't worry about empty lines in between or
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// line endings. Also include a longer streak of CRs, because they can
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// happen as well.
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CreateTestFile("foo\r\r\nbar\r\r\r\nbaz\r\r\n");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
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wxString all;
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for ( wxString str = f.GetFirstLine(); !f.Eof(); str = f.GetNextLine() )
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all += str;
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CPPUNIT_ASSERT_EQUAL( "foobarbaz", all );
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}
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#if wxUSE_UNICODE
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void TextFileTestCase::ReadUTF8()
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{
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CreateTestFile("\xd0\x9f\n"
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"\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82");
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), wxConvUTF8) );
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CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
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#ifdef wxHAVE_U_ESCAPE
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CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
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CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
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f.GetLastLine() );
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#endif // wxHAVE_U_ESCAPE
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}
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void TextFileTestCase::ReadUTF16()
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{
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CreateTestFile(16,
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"\x1f\x04\x0d\x00\x0a\x00"
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"\x40\x04\x38\x04\x32\x04\x35\x04\x42\x04");
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wxTextFile f;
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wxMBConvUTF16LE conv;
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CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), conv) );
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CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
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CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
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#ifdef wxHAVE_U_ESCAPE
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CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
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CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
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f.GetLastLine() );
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#endif // wxHAVE_U_ESCAPE
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}
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#endif // wxUSE_UNICODE
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void TextFileTestCase::ReadBig()
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{
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static const size_t NUM_LINES = 10000;
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{
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wxFFile f(GetTestFileName(), "w");
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for ( size_t n = 0; n < NUM_LINES; n++ )
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{
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fprintf(f.fp(), "Line %lu\n", (unsigned long)n + 1);
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}
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}
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wxTextFile f;
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CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
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CPPUNIT_ASSERT_EQUAL( NUM_LINES, f.GetLineCount() );
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CPPUNIT_ASSERT_EQUAL( wxString("Line 1"), f[0] );
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CPPUNIT_ASSERT_EQUAL( wxString("Line 999"), f[998] );
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CPPUNIT_ASSERT_EQUAL( wxString("Line 1000"), f[999] );
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CPPUNIT_ASSERT_EQUAL( wxString::Format("Line %lu", (unsigned long)NUM_LINES),
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f[NUM_LINES - 1] );
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}
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#endif // wxUSE_TEXTFILE
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