diff -r 000000000000 -r bde4ae8d615e os/textandloc/textandlocutils/nearestlangutils/tsrc/t_langutilsimp.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/textandloc/textandlocutils/nearestlangutils/tsrc/t_langutilsimp.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,136 @@
+#ifndef __T_LANGUTILSIMP_H__
+#define __T_LANGUTILSIMP_H__
+
+//#include <w32std.h>
+#include <test/testexecutestepbase.h>
+#include <langutil.h>
+#include "LangUtilImpl.h"
+#include "T_LangUtilsTestShareFunc.h"
+
+struct SDowngradeTest
+    {
+    TLanguage iIn[4];
+    TLanguage iOut[9];
+    };
+
+class RTestDirectoryScanner : public RDirectoryScanner
+    {
+public:
+    RTestDirectoryScanner(CDesCArray*& aMember)
+        : iOpenError(0), iFilesThatExist(aMember)
+        {
+        for (TInt i = 0; i != 26; ++i)
+            iDriveError[i] = 0;
+        }
+    virtual TInt Open(RFs&, const TDesC& aMatchPattern)
+        {
+        iMatch = aMatchPattern;
+        iIndex = 0;
+        return iOpenError;
+        }
+    virtual TInt Next(TEntry& aOut)
+        {
+        if (!iFilesThatExist)
+            return KErrEof;
+        while (iIndex < iFilesThatExist->Count())
+            {
+            TInt i = iIndex++;
+            if (0 <= (*iFilesThatExist)[i].MatchF(iMatch))
+                {
+                TPtrC fullName=(*iFilesThatExist)[i];
+                TParsePtrC name(fullName);
+                aOut.iName=name.NameAndExt();
+                if (1 < fullName.Length() && fullName[1] == ':')
+                    {
+                    TInt drive = fullName[0];
+                    if ('a' <= drive && drive <= 'z')
+                        drive -= 'a';
+                    else
+                        {
+                        ASSERT('A' <= drive && drive <= 'Z');
+                        drive -= 'A';
+                        }
+                    return iDriveError[drive];
+                    }
+                return KErrNone;
+                }
+            }
+        return KErrEof;
+        }
+    virtual void Close() {}
+    TInt iOpenError;
+    TInt iDriveError[26];
+private:
+    CDesCArray *&iFilesThatExist;
+    TInt iIndex;
+    TFileName iMatch;
+    };
+
+
+class TTestNearestLanguageFileFinder : public TNearestLanguageFileFinder
+    {
+public:
+    TTestNearestLanguageFileFinder(const RFs& aFs)
+        : TNearestLanguageFileFinder(aFs), iTestScanner(iFilesThatExist)
+        {
+        iFilesThatExist = 0;
+        iFilesSearchedFor = 0;
+        }
+    ~TTestNearestLanguageFileFinder()
+        {
+        delete iFilesThatExist;
+        delete iFilesSearchedFor;
+        }
+    virtual TInt GetCustomResourceDriveNumber() const { return iCustomRscDrive; }
+    virtual TBool FileExists(const TDesC& aFileName) const
+        {
+        ASSERT(aFileName[1] == ':');
+        ASSERT(0 == aFileName.Left(1).CompareF(iDrivesChecked.Left(1)));
+        iDrivesChecked.Delete(0, 1);
+        ASSERT(0 <= aFileName.MatchF(iFileCheckedFor));
+        if (iFilesSearchedFor)
+            {
+            ASSERT(0 == aFileName.CompareF((*iFilesSearchedFor)[0]));
+            iFilesSearchedFor->Delete(0);
+            }
+        if (!iFilesThatExist)
+            return EFalse;
+        TInt i;
+        iFilesThatExist->Find(aFileName, i);
+        return (0 <= i && i < iFilesThatExist->Count())? ETrue : EFalse;
+        }
+    virtual RDirectoryScanner& DirectoryScanner() { return iTestScanner; }
+
+    TInt iCustomRscDrive;
+    CDesCArray* iFilesThatExist;
+    // File that is expected to go into FileExists.
+    // Can contain wildcards.
+    TFileName iFileCheckedFor;
+    // Drives expected in calls to FileExists. The first one is checked then
+    // discarded each time FileExists is called.
+    mutable TBuf<26> iDrivesChecked;
+    CDesCArray* iFilesSearchedFor;
+    RTestDirectoryScanner iTestScanner;
+    };
+
+
+class CT_LANGUTILSIMP : public CTestStep
+    {
+public:
+    CT_LANGUTILSIMP();
+protected:  
+    TVerdict doTestStepL();
+private:
+    void TestLANGUTILSIMP();
+    void TestPath(const TLanguagePath& aPath, const TLanguage* aExpected, TInt aExpectedCount);
+    void TestAddLanguage();
+    void TestDowngrade(SDowngradeTest& aTest);
+    void TestMakeLanguageDowngradePath();
+    void SetUpFinderForLanguageAndDriveSearchL(TTestNearestLanguageFileFinder& aFinder);
+    void TestNearestLanguageFinder();
+
+    };
+
+_LIT(KTestStep_T_LANGUTILSIMP, "T_LANGUTILSIMP");
+
+#endif