06a086e8d2
Make sure we exit the loop when reading the file in chunks in wxFile::ReadAll() and add a unit test for it to ensure that it's really correct. Closes #14725. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72614 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/file/filetest.cpp
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// Purpose: wxFile unit test
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// Author: Vadim Zeitlin
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// Created: 2009-09-12
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// RCS-ID: $Id$
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// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
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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_FILE
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#include "wx/file.h"
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#include "testfile.h"
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class FileTestCase : public CppUnit::TestCase
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{
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public:
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FileTestCase() { }
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private:
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CPPUNIT_TEST_SUITE( FileTestCase );
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CPPUNIT_TEST( ReadAll );
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#if wxUSE_UNICODE
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CPPUNIT_TEST( RoundTripUTF8 );
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CPPUNIT_TEST( RoundTripUTF16 );
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CPPUNIT_TEST( RoundTripUTF32 );
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#endif // wxUSE_UNICODE
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CPPUNIT_TEST( TempFile );
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CPPUNIT_TEST_SUITE_END();
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void ReadAll();
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#if wxUSE_UNICODE
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void RoundTripUTF8() { DoRoundTripTest(wxConvUTF8); }
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void RoundTripUTF16() { DoRoundTripTest(wxMBConvUTF16()); }
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void RoundTripUTF32() { DoRoundTripTest(wxMBConvUTF32()); }
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#endif // wxUSE_UNICODE
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void DoRoundTripTest(const wxMBConv& conv);
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void TempFile();
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wxDECLARE_NO_COPY_CLASS(FileTestCase);
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};
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// ----------------------------------------------------------------------------
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// CppUnit macros
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// ----------------------------------------------------------------------------
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CPPUNIT_TEST_SUITE_REGISTRATION( FileTestCase );
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileTestCase, "FileTestCase" );
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// ----------------------------------------------------------------------------
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// tests implementation
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// ----------------------------------------------------------------------------
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void FileTestCase::ReadAll()
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{
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TestFile tf;
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const char* text = "Ream\nde";
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{
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wxFile fout(tf.GetName(), wxFile::write);
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CPPUNIT_ASSERT( fout.IsOpened() );
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fout.Write(text, strlen(text));
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CPPUNIT_ASSERT( fout.Close() );
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}
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{
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wxFile fin(tf.GetName(), wxFile::read);
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CPPUNIT_ASSERT( fin.IsOpened() );
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wxString s;
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CPPUNIT_ASSERT( fin.ReadAll(&s) );
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CPPUNIT_ASSERT_EQUAL( text, s );
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}
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}
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#if wxUSE_UNICODE
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void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
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{
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TestFile tf;
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// Explicit length is needed because of the embedded NUL.
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const wxString data("Hello\0UTF!", 10);
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{
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wxFile fout(tf.GetName(), wxFile::write);
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CPPUNIT_ASSERT( fout.IsOpened() );
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CPPUNIT_ASSERT( fout.Write(data, conv) );
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}
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{
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wxFile fin(tf.GetName(), wxFile::read);
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CPPUNIT_ASSERT( fin.IsOpened() );
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const ssize_t len = fin.Length();
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wxCharBuffer buf(len);
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CPPUNIT_ASSERT_EQUAL( len, fin.Read(buf.data(), len) );
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wxString dataReadBack(buf, conv, len);
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CPPUNIT_ASSERT_EQUAL( data, dataReadBack );
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}
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}
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#endif // wxUSE_UNICODE
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void FileTestCase::TempFile()
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{
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wxTempFile tmpFile;
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CPPUNIT_ASSERT( tmpFile.Open(wxT("test2")) && tmpFile.Write(wxT("the answer is 42")) );
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CPPUNIT_ASSERT( tmpFile.Commit() );
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CPPUNIT_ASSERT( wxRemoveFile(wxT("test2")) );
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}
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#endif // wxUSE_FILE
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