Don't rely on implicit conversion of wxString to char*/wxChar*, it doesn't exist in STL build. Add explicit c_str(), wc_str() or t_str() calls. Closes #14420. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71820 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			457 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			457 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/////////////////////////////////////////////////////////////////////////////
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// Name:        tests/benchmarks/strings.cpp
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// Purpose:     String-related benchmarks
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// Author:      Vadim Zeitlin
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// Created:     2008-07-19
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// RCS-ID:      $Id$
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// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence:     wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/string.h"
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#include "wx/ffile.h"
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#include "bench.h"
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#include "htmlparser/htmlpars.h"
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static const char asciistr[] =
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    "This is just the first line of a very long 7 bit ASCII string"
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    "This is just the second line of a very long 7 bit ASCII string"
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    "This is just the third line of a very long 7 bit ASCII string"
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    "This is just the fourth line of a very long 7 bit ASCII string"
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    "This is just the fifth line of a very long 7 bit ASCII string"
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    "This is just the sixth line of a very long 7 bit ASCII string"
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    "This is just the seventh line of a very long 7 bit ASCII string"
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    "This is just the eighth line of a very long 7 bit ASCII string"
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    "This is just the ninth line of a very long 7 bit ASCII string"
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    "This is just the tenth line of a very long 7 bit ASCII string"
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    ;
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static const char utf8str[] =
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 0"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 1"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 2"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 3"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 4"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 5"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 6"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 7"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 8"
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    "\xD0\xA6\xD0\xB5\xD0\xBB\xD0\xBE\xD0\xB5 \xD1\x87\xD0\xB8\xD1\x81\xD0\xBB\xD0\xBE 9"
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    ;
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namespace
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{
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const wxString& GetTestAsciiString()
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{
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    static wxString testString;
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    if ( testString.empty() )
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    {
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        long num = Bench::GetNumericParameter();
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        if ( !num )
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            num = 1;
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        for ( long n = 0; n < num; n++ )
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            testString += wxString::FromAscii(asciistr);
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    }
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    return testString;
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}
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} // anonymous namespace
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// this is just a baseline
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BENCHMARK_FUNC(Strlen)
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{
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    if ( strlen(utf8str) != WXSIZEOF(utf8str) - 1 )
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        return false;
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    if ( strlen(asciistr) != WXSIZEOF(asciistr) - 1 )
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        return false;
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    return true;
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}
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// ----------------------------------------------------------------------------
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// FromUTF8() benchmarks
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// ----------------------------------------------------------------------------
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BENCHMARK_FUNC(FromUTF8)
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{
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    wxString s = wxString::FromUTF8(utf8str);
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    if ( s.empty() )
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        return false;
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    s = wxString::FromUTF8(asciistr);
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    if ( s.empty() )
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        return false;
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    return true;
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}
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BENCHMARK_FUNC(FromUTF8WithNpos)
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{
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    wxString s = wxString::FromUTF8(utf8str, wxString::npos);
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    if ( s.empty() )
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        return false;
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    s = wxString::FromUTF8(asciistr, wxString::npos);
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    if ( s.empty() )
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        return false;
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    return true;
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}
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BENCHMARK_FUNC(FromUTF8WithLen)
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{
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    wxString s = wxString::FromUTF8(utf8str, WXSIZEOF(utf8str));
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    if ( s.empty() )
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        return false;
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    s = wxString::FromUTF8(asciistr, WXSIZEOF(asciistr));
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    if ( s.empty() )
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        return false;
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    return true;
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}
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// ----------------------------------------------------------------------------
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// FromUTF8Unchecked() benchmarks
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// ----------------------------------------------------------------------------
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BENCHMARK_FUNC(FromUTF8Unchecked)
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{
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    wxString s = wxString::FromUTF8Unchecked(utf8str);
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    if ( s.empty() )
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        return false;
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    s = wxString::FromUTF8Unchecked(asciistr);
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    if ( s.empty() )
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        return false;
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    return true;
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}
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BENCHMARK_FUNC(FromUTF8UncheckedWithNpos)
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{
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    wxString s = wxString::FromUTF8Unchecked(utf8str, wxString::npos);
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    if ( s.empty() )
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        return false;
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    s = wxString::FromUTF8Unchecked(asciistr, wxString::npos);
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    if ( s.empty() )
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        return false;
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    return true;
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}
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BENCHMARK_FUNC(FromUTF8UncheckedWithLen)
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{
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    wxString s = wxString::FromUTF8Unchecked(utf8str, WXSIZEOF(utf8str));
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    if ( s.empty() )
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        return false;
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    s = wxString::FromUTF8Unchecked(asciistr, WXSIZEOF(asciistr));
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    if ( s.empty() )
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        return false;
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    return true;
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}
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// ----------------------------------------------------------------------------
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// FromAscii() benchmarks
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// ----------------------------------------------------------------------------
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BENCHMARK_FUNC(FromAscii)
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{
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    wxString s = wxString::FromAscii(asciistr);
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    if ( s.empty() )
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        return false;
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    return true;
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}
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BENCHMARK_FUNC(FromAsciiWithNpos)
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{
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    wxString s = wxString::FromAscii(asciistr);
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    if ( s.empty() )
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        return false;
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    return true;
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}
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BENCHMARK_FUNC(FromAsciiWithLen)
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{
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    wxString s = wxString::FromAscii(asciistr, WXSIZEOF(asciistr));
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    if ( s.empty() )
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        return false;
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    return true;
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}
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// ----------------------------------------------------------------------------
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// simple string iteration
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// ----------------------------------------------------------------------------
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// baseline
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BENCHMARK_FUNC(ForCString)
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{
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    for ( size_t n = 0; n < WXSIZEOF(asciistr); n++ )
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    {
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        if ( asciistr[n] == '~' )
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            return false;
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    }
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    return true;
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}
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BENCHMARK_FUNC(ForStringIndex)
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{
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    const wxString& s = GetTestAsciiString();
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    const size_t len = s.length();
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    for ( size_t n = 0; n < len; n++ )
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    {
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        if ( s[n] == '~' )
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            return false;
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    }
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    return true;
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}
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BENCHMARK_FUNC(ForStringIter)
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{
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    const wxString& s = GetTestAsciiString();
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    const wxString::const_iterator end = s.end();
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    for ( wxString::const_iterator i = s.begin(); i != end; ++i )
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    {
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        if ( *i == '~' )
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            return false;
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    }
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    return true;
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}
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BENCHMARK_FUNC(ForStringRIter)
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{
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    const wxString& s = GetTestAsciiString();
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    const wxString::const_reverse_iterator rend = s.rend();
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    for ( wxString::const_reverse_iterator i = s.rbegin(); i != rend; ++i )
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    {
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        if ( *i == '~' )
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            return false;
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    }
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    return true;
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}
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// ----------------------------------------------------------------------------
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// wxString::Replace()
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// ----------------------------------------------------------------------------
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const size_t ASCIISTR_LEN = strlen(asciistr);
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BENCHMARK_FUNC(ReplaceLoop)
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{
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    wxString str('x', ASCIISTR_LEN);
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    for ( size_t n = 0; n < ASCIISTR_LEN; n++ )
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    {
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        if ( str[n] == 'a' )
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            str[n] = 'z';
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    }
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    return str.length() != 0;
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}
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BENCHMARK_FUNC(ReplaceNone)
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{
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    wxString str('x', ASCIISTR_LEN);
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    return str.Replace("a", "z") == 0;
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}
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BENCHMARK_FUNC(ReplaceSome)
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{
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    wxString str(asciistr);
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    return str.Replace("7", "8") != 0;
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}
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BENCHMARK_FUNC(ReplaceAll)
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{
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    wxString str('x', ASCIISTR_LEN);
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    return str.Replace("x", "y") != 0;
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}
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BENCHMARK_FUNC(ReplaceLonger)
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{
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    wxString str('x', ASCIISTR_LEN);
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    return str.Replace("x", "yy") != 0;
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}
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BENCHMARK_FUNC(ReplaceShorter)
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{
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    wxString str('x', ASCIISTR_LEN);
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    return str.Replace("xx", "y") != 0;
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}
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// ----------------------------------------------------------------------------
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// string case conversion
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// ----------------------------------------------------------------------------
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BENCHMARK_FUNC(Lower)
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{
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    return GetTestAsciiString().Lower().length() > 0;
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}
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BENCHMARK_FUNC(Upper)
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{
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    return GetTestAsciiString().Upper().length() > 0;
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}
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// ----------------------------------------------------------------------------
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// string comparison
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// ----------------------------------------------------------------------------
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BENCHMARK_FUNC(StrcmpA)
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{
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    const wxString& s = GetTestAsciiString();
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    return wxCRT_StrcmpA(s.c_str(), s.c_str()) == 0;
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}
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BENCHMARK_FUNC(StrcmpW)
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{
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    const wxString& s = GetTestAsciiString();
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    return wxCRT_StrcmpW(s.wc_str(), s.wc_str()) == 0;
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}
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BENCHMARK_FUNC(StricmpA)
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{
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    const wxString& s = GetTestAsciiString();
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    return wxCRT_StricmpA(s.c_str(), s.c_str()) == 0;
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}
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BENCHMARK_FUNC(StricmpW)
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{
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    const wxString& s = GetTestAsciiString();
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    return wxCRT_StricmpW(s.wc_str(), s.wc_str()) == 0;
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}
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BENCHMARK_FUNC(StringCmp)
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{
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    const wxString& s = GetTestAsciiString();
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    return s.Cmp(s) == 0;
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}
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BENCHMARK_FUNC(StringCmpNoCase)
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{
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    const wxString& s = GetTestAsciiString();
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    return s.CmpNoCase(s) == 0;
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}
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// Also benchmark various native functions under MSW. Surprisingly/annoyingly
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// they sometimes have vastly better performance than alternatives, especially
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// for case-sensitive comparison (see #10375).
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#ifdef __WINDOWS__
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#include "wx/msw/wrapwin.h"
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BENCHMARK_FUNC(MSWlstrcmp)
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{
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    const wxString& s = GetTestAsciiString();
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    return lstrcmp(s.t_str(), s.t_str()) == 0;
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}
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BENCHMARK_FUNC(MSWlstrcmpi)
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{
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    const wxString& s = GetTestAsciiString();
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    return lstrcmpi(s.t_str(), s.t_str()) == 0;
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}
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BENCHMARK_FUNC(MSWCompareString)
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{
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    const wxString& s = GetTestAsciiString();
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    return ::CompareString
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             (
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                LOCALE_USER_DEFAULT,
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                0,
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                s.t_str(), s.length(),
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                s.t_str(), s.length()
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             ) == CSTR_EQUAL;
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}
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BENCHMARK_FUNC(MSWCompareStringIgnoreCase)
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{
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    const wxString& s = GetTestAsciiString();
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    return ::CompareString
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             (
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                LOCALE_USER_DEFAULT,
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                NORM_IGNORECASE,
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                s.t_str(), s.length(),
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                s.t_str(), s.length()
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             ) == CSTR_EQUAL;
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}
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#endif // __WINDOWS__
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// ----------------------------------------------------------------------------
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// string buffers: wx[W]CharBuffer
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// ----------------------------------------------------------------------------
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BENCHMARK_FUNC(CharBuffer)
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{
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    wxString str(asciistr);
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    // NB: wxStrlen() is here to simulate some use of the returned buffer.
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    //     Both mb_str() and wc_str() are used so that this code does something
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    //     nontrivial in any build.
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    return wxStrlen(str.mb_str()) == ASCIISTR_LEN &&
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           wxStrlen(str.wc_str()) == ASCIISTR_LEN;
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}
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// ----------------------------------------------------------------------------
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// wxString::operator[] - parse large HTML page
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// ----------------------------------------------------------------------------
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class DummyParser : public wx28HtmlParser
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{
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public:
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    virtual wxObject* GetProduct() { return NULL; }
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    virtual void AddText(const wxChar*) {}
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};
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BENCHMARK_FUNC(ParseHTML)
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{
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    // static so that construction time is not counted
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    static DummyParser parser;
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    static wxString html;
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    if ( html.empty() )
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    {
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        wxString html1;
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        wxFFile("htmltest.html").ReadAll(&html1, wxConvUTF8);
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        // this is going to make for some invalid HTML, of course, but it
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        // doesn't really matter
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        long num = Bench::GetNumericParameter();
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						|
        if ( !num )
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            num = 1;
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        for ( long n = 0; n < num; n++ )
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            html += html1;
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    }
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    parser.Parse(html);
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    return true;
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}
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