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https://github.com/minetest/irrlicht.git
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8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
524 lines
14 KiB
C++
524 lines
14 KiB
C++
// Copyright (C) 2008-2012 Colin MacDonald
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// No rights reserved: this software is in the public domain.
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#include "testUtils.h"
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#include <memory.h>
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#include <stdio.h>
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#include <assert.h>
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#include <stdarg.h>
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#if defined(_MSC_VER) || defined(_IRR_WINDOWS_API_)
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#define _CRT_SECURE_NO_WARNINGS 1
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#include <windows.h> // For OutputDebugString()
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#endif // _MSC_VER || _IRR_WINDOWS_API_
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#ifdef _MSC_VER
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#pragma warning( disable: 4996)
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#endif
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using namespace irr;
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bool binaryCompareFiles(const char * fileName1, const char * fileName2)
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{
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assert(fileName1);
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assert(fileName2);
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if (!fileName1 || !fileName2)
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return false;
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FILE * file1 = fopen(fileName1, "rb");
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if (!file1)
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{
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logTestString("binaryCompareFiles: File '%s' cannot be opened\n", fileName1);
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assert(file1);
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return false;
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}
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FILE * file2 = fopen(fileName2, "rb");
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if (!file2)
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{
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logTestString("binaryCompareFiles: File '%s' cannot be opened\n", fileName2);
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(void)fclose(file1);
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assert(file2);
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return false;
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}
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(void)fseek(file1, 0, SEEK_END);
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(void)fseek(file2, 0, SEEK_END);
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const size_t file1Size = ftell(file1);
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const size_t file2Size = ftell(file2);
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if (file1Size != file2Size)
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{
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logTestString("binaryCompareFiles: Files are different sizes: %d vs %d\n",
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file1Size, file2Size);
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(void)fclose(file1);
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(void)fclose(file2);
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return false;
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}
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(void)fseek(file1, 0, SEEK_SET);
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(void)fseek(file2, 0, SEEK_SET);
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char file1Buffer[8196];
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char file2Buffer[8196];
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while (!feof(file1))
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{
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if (feof(file2)
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||(fread(file1Buffer, sizeof(file1Buffer), 1, file1) !=
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fread(file2Buffer, sizeof(file2Buffer), 1, file2)))
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{
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logTestString("binaryCompareFiles: Error during file reading\n");
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break;
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}
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if (memcmp(file1Buffer, file2Buffer, sizeof(file1Buffer)))
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{
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logTestString("binaryCompareFiles: files are different\n");
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break;
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}
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}
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bool filesAreIdentical = feof(file1) && feof(file2);
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(void)fclose(file1);
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(void)fclose(file2);
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return filesAreIdentical;
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}
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bool xmlCompareFiles(irr::io::IFileSystem * fs, const char * fileName1, const char * fileName2)
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{
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if (!fileName1 || !fileName2)
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return false;
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io::IXMLReaderUTF8* reader1 = fs->createXMLReaderUTF8(fileName1);
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if (!reader1)
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{
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logTestString("xmlCompareFiles: Could not create a XML reader for '%s'\n", fileName1);
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return false;
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}
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io::IXMLReaderUTF8* reader2 = fs->createXMLReaderUTF8(fileName2);
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if (!reader2)
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{
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logTestString("xmlCompareFiles: Could not create a XML reader for '%s'\n", fileName2);
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reader1->drop();
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return false;
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}
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bool different = false;
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bool read1 = reader1->read();
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bool read2 = reader2->read();
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if ( !read1 && !read2 )
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{
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logTestString("xmlCompareFiles: Both files have no nodes: '%s' %s - is this ok?\n", fileName1, fileName2);
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reader1->drop();
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reader2->drop();
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return true;
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}
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while (read1 && read2)
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{
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io::EXML_NODE type1 = reader1->getNodeType();
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io::EXML_NODE type2 = reader2->getNodeType();
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if ( type1 != type2 )
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{
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const c8* name1 = reader1->getNodeName();
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const c8* name2 = reader2->getNodeName();
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logTestString("xmlCompareFiles: file '%s' has different nodes than %s in nodes \"%s\" and \"%s\"\n"
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, fileName1, fileName2, name1 ? name1 : "NULL", name2 ? name2 : "NULL");
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different = true;
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break;
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}
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if ( reader1->isEmptyElement() != reader2->isEmptyElement() )
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{
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logTestString("xmlCompareFiles: file '%s' has different empty elements than %s\n", fileName1, fileName2);
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different = true;
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break;
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}
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switch ( type1 )
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{
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case io::EXN_NONE:
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case io::EXN_ELEMENT_END:
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break;
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case io::EXN_ELEMENT:
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{
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core::stringc name1(reader1->getNodeName());
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core::stringc name2(reader2->getNodeName());
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if ( name1 != name2 )
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{
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logTestString("xmlCompareFiles: %s has node %s where %s has node %s\n"
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, fileName1, name1.c_str(), fileName2, name2.c_str() );
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different = true;
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break;
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}
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unsigned int numAttributes1 = reader1->getAttributeCount();
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unsigned int numAttributes2 = reader2->getAttributeCount();
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if ( numAttributes1 != numAttributes2 )
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{
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logTestString("xmlCompareFiles: %s node %s has %d attributes where %s node %s has %d attributes\n"
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, fileName1, name1.c_str(), numAttributes1
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, fileName2, name2.c_str(), numAttributes2);
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different = true;
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break;
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}
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for ( unsigned int i=0; i < numAttributes1; ++i )
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{
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core::stringc attribName1(reader1->getAttributeName(int(i)));
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core::stringc attribName2(reader2->getAttributeName(int(i)));
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if ( attribName1 != attribName2 )
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{
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logTestString("xmlCompareFiles: %s node %s has attribute-name \"%s\" where %s node %s has name \"%s\"\n"
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, fileName1, name1.c_str(), attribName1.c_str()
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, fileName2, name2.c_str(), attribName2.c_str());
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different = true;
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break;
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}
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core::stringc attribVal1(reader1->getAttributeValue(int(i)));
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core::stringc attribVal2(reader2->getAttributeValue(int(i)));
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if ( attribName1 != attribName2 )
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{
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logTestString("xmlCompareFiles: %s node %s has attribute-value \"%s\" where %s node %s has value \"%s\"\n"
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, fileName1, name1.c_str(), attribVal1.c_str()
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, fileName2, name2.c_str(), attribVal2.c_str());
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different = true;
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break;
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}
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}
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break;
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}
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case io::EXN_TEXT:
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case io::EXN_UNKNOWN:
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case io::EXN_COMMENT:
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case io::EXN_CDATA:
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{
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core::stringc nodeData1( reader1->getNodeData() );
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core::stringc nodeData2( reader1->getNodeData() );
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// removeChars('\r') needed because irrXML doesn't do that (as it probably should)
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nodeData1.removeChars(core::stringc('\r'));
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nodeData2.removeChars(core::stringc('\r'));
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if ( nodeData1 != nodeData2 )
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{
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logTestString("xmlCompareFiles: %s has data \"%s\" where %s has data \"%s\"\n"
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, fileName1, nodeData1.c_str()
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, fileName2, nodeData2.c_str());
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different = true;
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}
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break;
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}
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}
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if ( different )
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break;
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read1 = reader1->read();
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read2 = reader2->read();
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}
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if ( !different && !read1 && !read2 )
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{
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reader1->drop();
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reader2->drop();
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return true;
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}
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if ( !different && read1 )
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{
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logTestString("xmlCompareFiles: file '%s' has more nodes than %s\n", fileName1, fileName2);
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}
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if ( !different && read2 )
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{
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logTestString("xmlCompareFiles: file '%s' has more nodes than %s\n", fileName2, fileName1);
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}
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reader1->drop();
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reader2->drop();
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return false;
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}
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//! Compare two images, returning the degree to which they match.
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/** \param image1 The first image to compare.
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\param image2 The second image to compare.
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\return The match, from 0.f to 100.f */
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static float fuzzyCompareImages(irr::video::IImage * image1,
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irr::video::IImage * image2)
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{
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assert(image1);
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assert(image2);
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if (!image1 || !image2)
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return 0.f;
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if (image1->getDimension() != image2->getDimension())
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{
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logTestString("fuzzyCompareImages: images are different sizes\n");
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return 0.f;
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}
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video::ECOLOR_FORMAT format1 = image1->getColorFormat();
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if (video::ECF_A8R8G8B8 != format1 && video::ECF_R8G8B8 != format1)
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{
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logTestString("fuzzyCompareImages: image 1 must be ECF_AR8G8B8 or ECF_R8G8B8\n");
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return 0.f;
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}
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video::ECOLOR_FORMAT format2 = image2->getColorFormat();
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if (video::ECF_A8R8G8B8 != format2 && video::ECF_R8G8B8 != format2)
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{
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logTestString("fuzzyCompareImages: image 2 must be ECF_AR8G8B8 or ECF_R8G8B8\n");
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return 0.f;
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}
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u8 * image1Data = (u8*)image1->getData();
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u8 * image2Data = (u8*)image2->getData();
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const u32 pixels = (image1->getPitch() * image1->getDimension().Height) / 4;
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u32 mismatchedColours = 0;
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for(u32 pixel = 0; pixel < pixels; ++pixel)
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{
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if (video::ECF_A8R8G8B8 == format1)
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image1Data++;
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const u8 r1 = *(image1Data++);
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const u8 g1 = *(image1Data++);
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const u8 b1 = *(image1Data++);
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if (video::ECF_A8R8G8B8 == format2)
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image2Data++;
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const u8 r2 = *(image2Data++);
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const u8 g2 = *(image2Data++);
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const u8 b2 = *(image2Data++);
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mismatchedColours += abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2);
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}
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const u32 totalColours = pixels * 255*3;
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return 100.f * (totalColours - mismatchedColours) / totalColours;
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}
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//! Compare two images, returning the degree to which they match.
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/** \param image1 The first image to compare.
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\param image2 The second image to compare.
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\return The match, from 0.f to 100.f */
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float fuzzyCompareImages(irr::video::IVideoDriver * driver,
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const char * fileName1, const char * fileName2)
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{
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assert(fileName1);
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assert(fileName2);
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irr::video::IImage * img1 = driver->createImageFromFile(fileName1);
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if (!img1)
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return 0;
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irr::video::IImage * img2 = driver->createImageFromFile(fileName2);
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const float result = fuzzyCompareImages(img1, img2);
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logTestString("Image match: %f%%\n", result);
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img1->drop();
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if (img2)
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img2->drop();
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return result;
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}
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void stabilizeScreenBackground(irr::video::IVideoDriver * driver,
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irr::video::SColor color)
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{
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for(int i = 0; i < 10000; ++i)
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{
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, color);
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driver->endScene();
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irr::video::IImage * screenshot = driver->createScreenShot();
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if (!screenshot)
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return;
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const video::ECOLOR_FORMAT format = screenshot->getColorFormat();
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if (format != video::ECF_R8G8B8)
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{
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irr::video::IImage * fixedScreenshot = driver->createImage(video::ECF_R8G8B8, screenshot->getDimension());
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screenshot->copyTo(fixedScreenshot);
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screenshot->drop();
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if (!fixedScreenshot)
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return;
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screenshot = fixedScreenshot;
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}
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u8 * image1Data = (u8*)screenshot->getData();
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const u32 pixels = (screenshot->getPitch() * screenshot->getDimension().Height) / 4;
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bool status = true;
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for(u32 pixel = 0; pixel < pixels; ++pixel)
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{
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const u8 r = *(image1Data++);
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const u8 g = *(image1Data++);
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const u8 b = *(image1Data++);
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if (r != color.getRed() || g != color.getGreen() || b != color.getBlue())
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{
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status = false;
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break;
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}
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}
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if (status)
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{
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screenshot->drop();
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return;
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}
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screenshot->drop();
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}
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logTestString("stabilizeScreenBackground failed\n");
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}
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irr::core::stringc shortDriverName(irr::video::IVideoDriver * driver)
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{
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irr::core::stringc driverName = driver->getName();
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// For OpenGL and Burning, chop the version number out. Other drivers have more stable version numbers.
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// TA: Sorry Rogerborg. burnings video also has the version number inside;-)
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// maybe you sould take the getDriverType Info for this
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if (driverName.find("OpenGL") > -1)
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driverName = "OpenGL";
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else if (driverName.find("Burning's Video") > -1)
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driverName = "Burning's Video";
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return driverName;
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}
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bool takeScreenshotAndCompareAgainstReference(irr::video::IVideoDriver * driver,
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const char * fileName,
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irr::f32 requiredMatch)
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{
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irr::video::IImage * screenshot = driver->createScreenShot();
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if (!screenshot)
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{
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logTestString("Failed to take screenshot\n");
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assert(false);
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return false;
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}
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const video::ECOLOR_FORMAT format = screenshot->getColorFormat();
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if (format != video::ECF_R8G8B8)
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{
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irr::video::IImage * fixedScreenshot = driver->createImage(video::ECF_R8G8B8, screenshot->getDimension());
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screenshot->copyTo(fixedScreenshot);
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screenshot->drop();
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if (!fixedScreenshot)
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{
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logTestString("Failed to convert screenshot to ECF_A8R8G8B8\n");
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assert(false);
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return false;
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}
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screenshot = fixedScreenshot;
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}
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irr::core::stringc driverName = shortDriverName(driver);
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irr::core::stringc referenceFilename = "media/";
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referenceFilename += driverName;
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referenceFilename += fileName;
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irr::video::IImage * reference = driver->createImageFromFile(referenceFilename.c_str());
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if (!reference)
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{
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logTestString("\n*** Failed to load reference image '%s'\n*** Creating from screenshot - please check this image.\n\n",
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referenceFilename.c_str());
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(void)driver->writeImageToFile(screenshot, referenceFilename.c_str());
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screenshot->drop();
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return false;
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}
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const float match = fuzzyCompareImages(screenshot, reference);
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logTestString("Image match: %f%%\n", match);
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if (match < requiredMatch)
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{
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irr::core::stringc mismatchFilename = "results/";
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mismatchFilename += driverName;
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mismatchFilename += fileName;
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logTestString("Writing mismatched image to '%s'\n", mismatchFilename.c_str());
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(void)driver->writeImageToFile(screenshot, mismatchFilename.c_str());
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}
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screenshot->drop();
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reference->drop();
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return (match >= requiredMatch);
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}
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static FILE * logFile = 0;
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bool openTestLog(bool startNewLog, const char * filename)
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{
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closeTestLog();
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if (startNewLog)
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logFile = fopen(filename, "w");
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else
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logFile = fopen(filename, "a");
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assert(logFile);
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if (!logFile)
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logTestString("\nWARNING: unable to open the test log file %s\n", filename);
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return (logFile != 0);
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}
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void closeTestLog(void)
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{
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if (logFile)
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{
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(void)fclose(logFile);
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logFile = 0;
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}
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}
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void logTestString(const char * format, ...)
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{
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char logString[1024];
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va_list arguments;
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va_start(arguments, format);
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vsprintf(logString, format, arguments);
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va_end(arguments);
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#if defined(_IRR_WINDOWS_API_)
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#if defined (_WIN32_WCE )
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core::stringw tmp(logString);
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tmp += L"\n";
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OutputDebugStringW(tmp.c_str());
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#else
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OutputDebugStringA(logString);
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OutputDebugStringA("\n");
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#endif
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#endif
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(void)printf(logString);
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if (logFile)
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{
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(void)fprintf(logFile, logString);
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(void)fflush(logFile);
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}
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#if defined(TESTING_ON_WINDOWS)
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OutputDebugStringA(logString);
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#endif // #if defined(TESTING_ON_WINDOWS)
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}
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