Refs #5464. Reverts push of performance test.

There's some linux path quirk that I'm not accounting for here, and I dont
have enough time to fix it today, so reverting.

This reverts commit 84c3e20.
This reverts commit c741880.

Code/Mantid/Framework/API/test/FileFinderTest.h

@@ -8,9 +8,7 @@
 
 #include <Poco/Path.h>
 #include <Poco/File.h>
-#include <boost/lexical_cast.hpp>
 
-#include <stdio.h>
 #include <fstream>
 
 using namespace Mantid::Kernel;
@@ -293,103 +291,4 @@ class FileFinderTest: public CxxTest::TestSuite
   Poco::File m_facFile;
 };
 
-class FileFinderTestPerformance : public CxxTest::TestSuite
-{
-public:
-  // This pair of boilerplate methods prevent the suite being created statically
-  // This means the constructor isn't called when running other tests
-  static FileFinderTestPerformance *createSuite() { return new FileFinderTestPerformance(); }
-  static void destroySuite( FileFinderTestPerformance *suite ) { delete suite; }
-
-  FileFinderTestPerformance() :
-    m_oldDataSearchDirectories(), m_dirPath("../Testing/FileFinderTestPerformanceDummyData/"),
-      // Keeping these as low as possible so as to keep the time of the test down, but users with 70,000+ files
-      // in a single folder looking for a range of hundreds of files are not unheard of.
-      m_filesInDir(10000), m_filesToFind(100)
-  {
-    // Create some dummy TOSCA run files to use.
-    Poco::File dir(m_dirPath);
-    dir.createDirectory();
-
-    for( size_t run = 0; run < m_filesInDir; ++run )
-    {
-      std::stringstream filename;
-      filename << m_dirPath << "TSC";
-      pad(filename, run);
-      filename << ".raw";
-
-      {
-        // Hoping for some speed increase from this (assuming no RVO optimisation 
-        // when using filename.str().c_str() ...):
-        const std::string& tmp = filename.str();
-        const char* cstr = tmp.c_str();
-
-        // Shun use of Poco, which is slower.
-        FILE * pFile;
-        pFile = fopen (cstr , "w");
-        if (pFile != NULL)
-        {
-          fclose (pFile);
-        }
-      }
-    }
-
-    // Set TOSCA as default instrument.
-    Mantid::Kernel::ConfigService::Instance().setString("default.instrument", "TSC");
-
-    // Add dummy directory to search path, saving old search paths to be put back later.
-    m_oldDataSearchDirectories = Mantid::Kernel::ConfigService::Instance().getString("datasearch.directories");
-    Mantid::Kernel::ConfigService::Instance().setString("datasearch.directories", dir.path());
-  }
-
-  ~FileFinderTestPerformance()
-  {
-    // Put back the old search paths.
-    Mantid::Kernel::ConfigService::Instance().setString("datasearch.directories", m_oldDataSearchDirectories);
-
-    // Destroy dummy folder and files.  
-    // Use Poco here so removing works on multiple platforms. Recursive .remove(true) also means we dont have to generate
-    // the filenames for a second time.
-    Poco::File dir(m_dirPath);
-    dir.remove(true);
-  }
-
-  void test_largeDirectoryOfFiles()
-  {
-    std::vector<std::string> files;
-    std::stringstream range;
-    range << (m_filesInDir - m_filesToFind) << "-" << (m_filesInDir - 1);
-    TS_ASSERT_THROWS_NOTHING( files = FileFinder::Instance().findRuns(range.str().c_str()) );
-    TS_ASSERT( files.size() == m_filesToFind );
-  }
-
-private:
-
-  /**
-   * Pad the given stringstream with zeros from a lookup, then add the run number.
-   */
-  void pad(std::stringstream & stream, size_t run)
-  {
-    if( run < 10 )
-      stream << "0000" << run;
-    else if( run < 100 )
-      stream << "000" << run;
-    else if( run < 1000 )
-      stream << "00" << run;
-    else if( run < 10000 )
-      stream << "0" << run;
-    else
-      stream << run;
-  }
-
-  // Temp storage.
-  std::string m_oldDataSearchDirectories;
-  // Path to directory where dummy files will be created.
-  std::string m_dirPath;
-  // Number of dummy files to create.
-  size_t m_filesInDir;
-  // Number of files to find.
-  size_t m_filesToFind;
-};
-
 #endif /*FILEFINDERTEST_H_*/