Added possibility to start test from backup state

tests/powerloss.h

@@ -42,6 +42,7 @@ class Powerloss : public Test{
 
 	char flashfile[13] = "Flash_backup";
 	char mramfile[13]  = "Mram__backup";
+	char filesizefil[15]= "filsize_backup";
 public:
 	static constexpr const char* name = "powerloss";
 
@@ -90,6 +91,10 @@ public:
             ef.close();
             ofstream em(mramfile, ios::out | ios::binary);
             mMrams.front()->serialize(em);
+            em.close();
+            ofstream es(filesizefil, ios::out | ios::binary);
+            es.write(reinterpret_cast<char*>(&filesizeBackup), sizeof(unsigned int) * numberOfFiles);
+            es.close();
         }
     }
 
@@ -133,6 +138,7 @@ public:
                 if(!silent) fprintf(stderr, "\nFile %u of different size (was %lu, should %u)\n",
                                     file, info.fsize, filesize[file]);
                 fsif->f_close(&fd);
+                return -1;
             }
 
             int ret = fsif->f_open(&fd, filename.c_str(), FSIF_READ);
@@ -255,6 +261,36 @@ public:
 		unsigned long accesses = 0;
 		unsigned long powerlosses = 0;
 
+		{
+            ifstream inf(flashfile,   ios::in | ios::binary);
+            ifstream inm(mramfile,    ios::in | ios::binary);
+            ifstream ins(filesizefil, ios::in | ios::binary);
+            if(inf.is_open() && inm.is_open() && ins.is_open())
+            {
+                if(!silent)
+                {
+                    printf("Found existing serialized memory files.\n");
+                }
+                //Files exist! For testing purposes, we continue the last test
+                fsif->unmount();
+                mFCs.front()->getDebugInterface()->deserialize(inf);
+                inf.close();
+                mMrams.front()->deserialize(inm);
+                inm.close();
+                ins.read(reinterpret_cast<char*>(&filesizeBackup), sizeof(unsigned int) * numberOfFiles);
+                ins.close();
+                TraceMask bkp = traceMask;
+                traceMask = (traceMask & ~PAFFS_WRITE_VERIFY_AS) |
+                             PAFFS_TRACE_JOURNAL |
+                             PAFFS_TRACE_ASCACHE |
+                             PAFFS_TRACE_PACACHE |
+                             PAFFS_TRACE_PAGESTATEM |
+                             PAFFS_TRACE_VERBOSE;
+                fsif->mount();
+                traceMask = bkp;
+            }
+		}
+
 		while(true)
 		{
 		    enableCallback();
@@ -281,8 +317,10 @@ public:
             inm.close();
 
             TraceMask bkp = traceMask;
-            traceMask |= PAFFS_TRACE_JOURNAL |
+            traceMask = (traceMask & ~PAFFS_WRITE_VERIFY_AS) |
+                         PAFFS_TRACE_JOURNAL |
                          PAFFS_TRACE_ASCACHE |
+                         PAFFS_TRACE_PACACHE |
                          PAFFS_TRACE_PAGESTATEM |
                          PAFFS_TRACE_VERBOSE;
             fsif->mount();