/* TestCacheBlockFiles.cpp */ #include <stdio.h> #include <stdlib.h> #include <utime.h> #include <Files.h> #include <Strings.h> #include <Errors.h> #include <Resources.h> #include <Aliases.h> #include "nsCOMPtr.h" #include "nsCRT.h" #include "nsDirectoryServiceDefs.h" #include "nsError.h" #include "nsIComponentManager.h" #include "nsIComponentRegistrar.h" #include "nsIFile.h" #include "nsIFileStreams.h" #include "nsMemory.h" #include "nsIComponentRegistrar.h" #include "nsANSIFileStreams.h" #include "nsDiskCacheBlockFile.h" #include "prclist.h" /** * StressTest() */ typedef struct Allocation { int32_t start; int32_t count; } Allocation; nsresult StressTest(nsIFile * localFile, int32_t testNumber, bool readWrite) { nsresult rv = NS_OK; #define ITERATIONS 1024 #define MAX_ALLOCATIONS 256 Allocation block[MAX_ALLOCATIONS]; int32_t currentAllocations = 0; int32_t i; uint32_t a; char * writeBuf[4]; char readBuf[256 * 4]; if (readWrite) { for (i = 0; i < 4; i++) { writeBuf[i] = new char[256 * i]; if (!writeBuf[i]) { printf("Test %d: failed - out of memory\n", testNumber); rv = NS_ERROR_OUT_OF_MEMORY; goto exit; } memset(writeBuf[i], i, 256 * i); } } nsDiskCacheBlockFile * blockFile = new nsDiskCacheBlockFile; if (!blockFile) { printf("Test %d failed (unable to allocate nsDiskCacheBlockFile", testNumber); rv = NS_ERROR_OUT_OF_MEMORY; goto exit; } rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test %d: failed (Open returned: 0x%.8x)\n", testNumber, rv); goto exit; } i = ITERATIONS; while (i > 0) { if ((currentAllocations >= MAX_ALLOCATIONS) || ((currentAllocations > 0) && (rand() % 4 == 0))) { // deallocate if we've reached the limit, or 25% of the time we have allocations a = rand() % currentAllocations; if (readWrite) { // read verify deallocation rv = blockFile->ReadBlocks(readBuf, block[a].start, block[a].count); if (NS_FAILED(rv)) { printf("Test %d: failed (ReadBlocks() returned 0x%.8x)\n", testNumber, rv); goto exit; } // Verify buffer for (i = 0; i < 256 * block[a].count; i++) { if (readBuf[i] != block[a].count) { printf("Test %d: failed (verifying buffer 1)\n", testNumber); rv = NS_ERROR_FAILURE; goto exit; } } } rv = blockFile->DeallocateBlocks(block[a].start, block[a].count); if (NS_FAILED(rv)) { printf("Test %d: failed (DeallocateBlocks() returned %d)\n", testNumber, rv); goto exit; } --currentAllocations; if (currentAllocations > 0) block[a] = block[currentAllocations]; } else { // allocate blocks --i; a = currentAllocations++; block[a].count = rand() % 4 + 1; // allocate 1 to 4 blocks block[a].start = blockFile->AllocateBlocks(block[a].count); if (block[a].start < 0) { printf("Test %d: failed (AllocateBlocks() failed.)\n", testNumber); goto exit; } if (readWrite) { // write buffer rv = blockFile->WriteBlocks(writeBuf[block[a].count], block[a].start, block[a].count); if (NS_FAILED(rv)) { printf("Test %d: failed (WriteBlocks() returned 0x%.8x)\n",testNumber, rv); goto exit; } } } } // now deallocate remaining allocations i = currentAllocations; while (i--) { if (readWrite) { // read verify deallocation rv = blockFile->ReadBlocks(readBuf, block[a].start, block[a].count); if (NS_FAILED(rv)) { printf("Test %d: failed (ReadBlocks(1) returned 0x%.8x)\n", testNumber, rv); goto exit; } // Verify buffer for (i = 0; i < 256 * block[a].count; i++) { if (readBuf[i] != block[a].count) { printf("Test %d: failed (verifying buffer 1)\n", testNumber); rv = NS_ERROR_FAILURE; goto exit; } } } rv = blockFile->DeallocateBlocks(block[i].start, block[i].count); if (NS_FAILED(rv)) { printf("Test %d: failed (DeallocateBlocks() returned %d)\n", testNumber, rv); goto exit; } } exit: nsresult rv2 = blockFile->Close(); if (NS_FAILED(rv2)) { printf("Test %d: failed (Close returned: 0x%.8x)\n", testNumber, rv2); } return rv ? rv : rv2; } /** * main() */ int main(void) { // OSErr err; printf("hello world\n"); unsigned long now = time(0); srand(now); nsCOMPtr<nsIFile> file; nsCOMPtr<nsIFile> localFile; nsresult rv = NS_OK; { // Start up XPCOM nsCOMPtr<nsIServiceManager> servMan; NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr); nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan); NS_ASSERTION(registrar, "Null nsIComponentRegistrar"); if (registrar) registrar->AutoRegister(nullptr); // Get default directory rv = NS_GetSpecialDirectory(NS_XPCOM_CURRENT_PROCESS_DIR, getter_AddRefs(file)); if (NS_FAILED(rv)) { printf("NS_GetSpecialDirectory() failed : 0x%.8x\n", rv); goto exit; } char * currentDirPath; rv = file->GetPath(¤tDirPath); if (NS_FAILED(rv)) { printf("currentProcessDir->GetPath() failed : 0x%.8x\n", rv); goto exit; } printf("Current Process Directory: %s\n", currentDirPath); // Generate name for cache block file rv = file->Append("_CACHE_001_"); if (NS_FAILED(rv)) goto exit; // Delete existing file rv = file->Delete(false); if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND) goto exit; // Need nsIFile to open localFile = do_QueryInterface(file, &rv); if (NS_FAILED(rv)) { printf("do_QueryInterface(file) failed : 0x%.8x\n", rv); goto exit; } nsDiskCacheBlockFile * blockFile = new nsDiskCacheBlockFile; if (!blockFile) { rv = NS_ERROR_OUT_OF_MEMORY; goto exit; } //---------------------------------------------------------------- // local variables used in tests //---------------------------------------------------------------- uint32_t bytesWritten = 0; int32_t startBlock; int32_t i = 0; //---------------------------------------------------------------- // Test 1: Open nonexistent file //---------------------------------------------------------------- rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test 1: failed (Open returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->Close(); if (NS_FAILED(rv)) { printf("Test 1: failed (Close returned: 0x%.8x)\n", rv); goto exit; } printf("Test 1: passed\n"); //---------------------------------------------------------------- // Test 2: Open existing file (with no allocation) //---------------------------------------------------------------- rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test 2: failed (Open returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->Close(); if (NS_FAILED(rv)) { printf("Test 2: failed (Close returned: 0x%.8x)\n", rv); goto exit; } printf("Test 2: passed\n"); //---------------------------------------------------------------- // Test 3: Open existing file (bad format) size < kBitMapBytes //---------------------------------------------------------------- // Delete existing file rv = localFile->Delete(false); if (NS_FAILED(rv)) { printf("Test 3 failed (Delete returned: 0x%.8x)\n", rv); goto exit; } // write < kBitMapBytes to file nsANSIFileStream * stream = new nsANSIFileStream; if (!stream) { printf("Test 3 failed (unable to allocate stream\n", rv); goto exit; } NS_ADDREF(stream); rv = stream->Open(localFile); if (NS_FAILED(rv)) { NS_RELEASE(stream); printf("Test 3 failed (stream->Open returned: 0x%.8x)\n", rv); goto exit; } bytesWritten = 0; rv = stream->Write("Tell me something good.\n", 24, &bytesWritten); if (NS_FAILED(rv)) { NS_RELEASE(stream); printf("Test 3 failed (stream->Write returned: 0x%.8x)\n", rv); goto exit; } rv = stream->Close(); if (NS_FAILED(rv)) { NS_RELEASE(stream); printf("Test 3 failed (stream->Close returned: 0x%.8x)\n", rv); goto exit; } NS_RELEASE(stream); rv = blockFile->Open(localFile, 256); if (NS_SUCCEEDED(rv)) { printf("Test 3: failed (Open erroneously succeeded)\n", rv); (void) blockFile->Close(); goto exit; } printf("Test 3: passed\n"); //---------------------------------------------------------------- // Test 4: Open nonexistent file (again) //---------------------------------------------------------------- // Delete existing file rv = localFile->Delete(false); if (NS_FAILED(rv)) { printf("Test 4 failed (Delete returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test 4: failed (Open returned: 0x%.8x)\n", rv); goto exit; } printf("Test 4: passed\n"); //---------------------------------------------------------------- // Test 5: AllocateBlocks: invalid block count (0, 5) //---------------------------------------------------------------- startBlock = blockFile->AllocateBlocks(0); if (startBlock > -1) { printf("Test 5: failed (AllocateBlocks(0) erroneously succeeded)\n"); goto exit; } startBlock = blockFile->AllocateBlocks(5); if (startBlock > -1) { printf("Test 5: failed (AllocateBlocks(5) erroneously succeeded)\n"); goto exit; } printf("Test 5: passed\n"); //---------------------------------------------------------------- // Test 6: AllocateBlocks: valid block count (1, 2, 3, 4) //---------------------------------------------------------------- startBlock = blockFile->AllocateBlocks(1); if (startBlock != 0) { printf("Test 6: failed (AllocateBlocks(1) failed)\n"); goto exit; } startBlock = blockFile->AllocateBlocks(2); if (startBlock != 1) { printf("Test 6: failed (AllocateBlocks(2) failed)\n"); goto exit; } startBlock = blockFile->AllocateBlocks(3); if (startBlock != 4) { printf("Test 6: failed (AllocateBlocks(3) failed)\n"); goto exit; } startBlock = blockFile->AllocateBlocks(4); if (startBlock != 8) { printf("Test 6: failed (AllocateBlocks(4) failed)\n"); goto exit; } // blocks allocated should be 1220 3330 4444 printf("Test 6: passed\n"); // but bits could be mis-allocated //---------------------------------------------------------------- // Test 7: VerifyAllocation //---------------------------------------------------------------- rv = blockFile->VerifyAllocation(0,1); if (NS_FAILED(rv)) { printf("Test 7: failed (VerifyAllocation(0,1) returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->VerifyAllocation(1,2); if (NS_FAILED(rv)) { printf("Test 7: failed (VerifyAllocation(1,2) returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->VerifyAllocation(4,3); if (NS_FAILED(rv)) { printf("Test 7: failed (VerifyAllocation(4,3) returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->VerifyAllocation(8,4); if (NS_FAILED(rv)) { printf("Test 7: failed (VerifyAllocation(8,4) returned: 0x%.8x)\n", rv); goto exit; } printf("Test 7: passed\n"); //---------------------------------------------------------------- // Test 8: LastBlock //---------------------------------------------------------------- int32_t lastBlock = blockFile->LastBlock(); if (lastBlock != 11) { printf("Test 8: failed (LastBlock() returned: %d)\n", lastBlock); goto exit; } printf("Test 8: passed\n"); //---------------------------------------------------------------- // Test 9: DeallocateBlocks: bad startBlock ( < 0) //---------------------------------------------------------------- rv = blockFile->DeallocateBlocks(-1, 4); if (NS_SUCCEEDED(rv)) { printf("Test 9: failed (DeallocateBlocks(-1, 4) erroneously succeeded)\n"); goto exit; } printf("Test 9: passed\n"); //---------------------------------------------------------------- // Test 10: DeallocateBlocks: bad numBlocks (0, 5) //---------------------------------------------------------------- rv = blockFile->DeallocateBlocks(0, 0); if (NS_SUCCEEDED(rv)) { printf("Test 10: failed (DeallocateBlocks(0, 0) erroneously succeeded)\n"); goto exit; } rv = blockFile->DeallocateBlocks(0, 5); if (NS_SUCCEEDED(rv)) { printf("Test 10: failed (DeallocateBlocks(0, 5) erroneously succeeded)\n"); goto exit; } printf("Test 10: passed\n"); //---------------------------------------------------------------- // Test 11: DeallocateBlocks: unallocated blocks //---------------------------------------------------------------- rv = blockFile->DeallocateBlocks(12, 1); if (NS_SUCCEEDED(rv)) { printf("Test 11: failed (DeallocateBlocks(12, 1) erroneously succeeded)\n"); goto exit; } printf("Test 11: passed\n"); //---------------------------------------------------------------- // Test 12: DeallocateBlocks: 1, 2, 3, 4 (allocated in Test 6) //---------------------------------------------------------------- rv = blockFile->DeallocateBlocks(0, 1); if (NS_FAILED(rv)) { printf("Test 12: failed (DeallocateBlocks(12, 1) returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->DeallocateBlocks(1, 2); if (NS_FAILED(rv)) { printf("Test 12: failed (DeallocateBlocks(1, 2) returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->DeallocateBlocks(4, 3); if (NS_FAILED(rv)) { printf("Test 12: failed (DeallocateBlocks(4, 3) returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->DeallocateBlocks(8, 4); if (NS_FAILED(rv)) { printf("Test 12: failed (DeallocateBlocks(8, 4) returned: 0x%.8x)\n", rv); goto exit; } // zero blocks should be allocated rv = blockFile->Close(); if (NS_FAILED(rv)) { printf("Test 12: failed (Close returned: 0x%.8x)\n", rv); goto exit; } printf("Test 12: passed\n"); //---------------------------------------------------------------- // Test 13: Allocate/Deallocate boundary test //---------------------------------------------------------------- rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test 13: failed (Open returned: 0x%.8x)\n", rv); goto exit; } // fully allocate, 1 block at a time for (i=0; i< kBitMapBytes * 8; ++i) { startBlock = blockFile->AllocateBlocks(1); if (startBlock < 0) { printf("Test 13: failed (AllocateBlocks(1) failed on i=%d)\n", i); goto exit; } } // attempt allocation with full bit map startBlock = blockFile->AllocateBlocks(1); if (startBlock >= 0) { printf("Test 13: failed (AllocateBlocks(1) erroneously succeeded i=%d)\n", i); goto exit; } // deallocate all the bits for (i=0; i< kBitMapBytes * 8; ++i) { rv = blockFile->DeallocateBlocks(i,1); if (NS_FAILED(rv)) { printf("Test 13: failed (DeallocateBlocks(%d,1) returned: 0x%.8x)\n", i,rv); goto exit; } } // attempt deallocation beyond end of bit map rv = blockFile->DeallocateBlocks(i,1); if (NS_SUCCEEDED(rv)) { printf("Test 13: failed (DeallocateBlocks(%d,1) erroneously succeeded)\n", i); goto exit; } // bit map should be empty // fully allocate, 2 block at a time for (i=0; i< kBitMapBytes * 8; i+=2) { startBlock = blockFile->AllocateBlocks(2); if (startBlock < 0) { printf("Test 13: failed (AllocateBlocks(2) failed on i=%d)\n", i); goto exit; } } // attempt allocation with full bit map startBlock = blockFile->AllocateBlocks(2); if (startBlock >= 0) { printf("Test 13: failed (AllocateBlocks(2) erroneously succeeded i=%d)\n", i); goto exit; } // deallocate all the bits for (i=0; i< kBitMapBytes * 8; i+=2) { rv = blockFile->DeallocateBlocks(i,2); if (NS_FAILED(rv)) { printf("Test 13: failed (DeallocateBlocks(%d,2) returned: 0x%.8x)\n", i,rv); goto exit; } } // bit map should be empty // fully allocate, 4 block at a time for (i=0; i< kBitMapBytes * 8; i+=4) { startBlock = blockFile->AllocateBlocks(4); if (startBlock < 0) { printf("Test 13: failed (AllocateBlocks(4) failed on i=%d)\n", i); goto exit; } } // attempt allocation with full bit map startBlock = blockFile->AllocateBlocks(4); if (startBlock >= 0) { printf("Test 13: failed (AllocateBlocks(4) erroneously succeeded i=%d)\n", i); goto exit; } // deallocate all the bits for (i=0; i< kBitMapBytes * 8; i+=4) { rv = blockFile->DeallocateBlocks(i,4); if (NS_FAILED(rv)) { printf("Test 13: failed (DeallocateBlocks(%d,4) returned: 0x%.8x)\n", i,rv); goto exit; } } // bit map should be empty // allocate as many triple-blocks as possible for (i=0; i< kBitMapBytes * 8; i+=4) { startBlock = blockFile->AllocateBlocks(3); if (startBlock < 0) { printf("Test 13: failed (AllocateBlocks(3) failed on i=%d)\n", i); goto exit; } } // attempt allocation with "full" bit map startBlock = blockFile->AllocateBlocks(3); if (startBlock >= 0) { printf("Test 13: failed (AllocateBlocks(3) erroneously succeeded i=%d)\n", i); goto exit; } // leave some blocks allocated rv = blockFile->Close(); if (NS_FAILED(rv)) { printf("Test 13: failed (Close returned: 0x%.8x)\n", rv); goto exit; } printf("Test 13: passed\n"); //---------------------------------------------------------------- // Test 14: ValidateFile (open existing file w/size < allocated blocks //---------------------------------------------------------------- rv = blockFile->Open(localFile, 256); if (NS_SUCCEEDED(rv)) { printf("Test 14: failed (Open erroneously succeeded)\n"); goto exit; } // Delete existing file rv = localFile->Delete(false); if (NS_FAILED(rv)) { printf("Test 14 failed (Delete returned: 0x%.8x)\n", rv); goto exit; } printf("Test 14: passed\n"); //---------------------------------------------------------------- // Test 15: Allocate/Deallocate stress test //---------------------------------------------------------------- rv = StressTest(localFile, 15, false); if (NS_FAILED(rv)) goto exit; printf("Test 15: passed\n"); //---------------------------------------------------------------- // Test 16: WriteBlocks //---------------------------------------------------------------- rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test 16: failed (Open returned: 0x%.8x)\n", rv); goto exit; } char * one = new char[256 * 1]; char * two = new char[256 * 2]; char * three = new char[256 * 3]; char * four = new char[256 * 4]; if (!one || !two || !three || !four) { printf("Test 16: failed - out of memory\n"); rv = NS_ERROR_OUT_OF_MEMORY; goto exit; } memset(one, 1, 256); memset(two, 2, 256 * 2); memset(three, 3, 256 * 3); memset(four, 4, 256 * 4); startBlock = blockFile->AllocateBlocks(1); if (startBlock != 0) { printf("Test 16: failed (AllocateBlocks(1) failed)\n"); goto exit; } rv = blockFile->WriteBlocks(one, startBlock, 1); if (NS_FAILED(rv)) { printf("Test 16: failed (WriteBlocks(1) returned 0x%.8x)\n", rv); goto exit; } startBlock = blockFile->AllocateBlocks(2); if (startBlock != 1) { // starting with empy map, this allocation should begin at block 1 printf("Test 16: failed (AllocateBlocks(2) failed)\n"); goto exit; } rv = blockFile->WriteBlocks(two, startBlock, 2); if (NS_FAILED(rv)) { printf("Test 16: failed (WriteBlocks(2) returned 0x%.8x)\n", rv); goto exit; } startBlock = blockFile->AllocateBlocks(3); if (startBlock != 4) { // starting with empy map, this allocation should begin at block 4 printf("Test 16: failed (AllocateBlocks(3) failed)\n"); goto exit; } rv = blockFile->WriteBlocks(three, startBlock, 3); if (NS_FAILED(rv)) { printf("Test 16: failed (WriteBlocks(3) returned 0x%.8x)\n", rv); goto exit; } startBlock = blockFile->AllocateBlocks(4); if (startBlock != 8) { // starting with empy map, this allocation should begin at block 8 printf("Test 16: failed (AllocateBlocks(4) failed)\n"); goto exit; } rv = blockFile->WriteBlocks(four, startBlock, 4); if (NS_FAILED(rv)) { printf("Test 16: failed (WriteBlocks(4) returned 0x%.8x)\n", rv); goto exit; } printf("Test 16: passed\n"); //---------------------------------------------------------------- // Test 17: ReadBlocks //---------------------------------------------------------------- rv = blockFile->ReadBlocks(one, 0, 1); if (NS_FAILED(rv)) { printf("Test 17: failed (ReadBlocks(1) returned 0x%.8x)\n", rv); goto exit; } // Verify buffer for (i = 0; i < 256; i++) { if (one[i] != 1) { printf("Test 17: failed (verifying buffer 1)\n"); rv = NS_ERROR_FAILURE; goto exit; } } rv = blockFile->ReadBlocks(two, 1, 2); if (NS_FAILED(rv)) { printf("Test 17: failed (ReadBlocks(2) returned 0x%.8x)\n", rv); goto exit; } // Verify buffer for (i = 0; i < 256 * 2; i++) { if (two[i] != 2) { printf("Test 17: failed (verifying buffer 2)\n"); rv = NS_ERROR_FAILURE; goto exit; } } rv = blockFile->ReadBlocks(three, 4, 3); if (NS_FAILED(rv)) { printf("Test 17: failed (ReadBlocks(3) returned 0x%.8x)\n", rv); goto exit; } // Verify buffer for (i = 0; i < 256 * 3; i++) { if (three[i] != 3) { printf("Test 17: failed (verifying buffer 3)\n"); rv = NS_ERROR_FAILURE; goto exit; } } rv = blockFile->ReadBlocks(four, 8, 4); if (NS_FAILED(rv)) { printf("Test 17: failed (ReadBlocks(4) returned 0x%.8x)\n", rv); goto exit; } // Verify buffer for (i = 0; i < 256 * 4; i++) { if (four[i] != 4) { printf("Test 17: failed (verifying buffer 4)\n"); rv = NS_ERROR_FAILURE; goto exit; } } rv = blockFile->Close(); if (NS_FAILED(rv)) { printf("Test 17: failed (Close returned: 0x%.8x)\n", rv); goto exit; } printf("Test 17: passed\n"); //---------------------------------------------------------------- // Test 18: ValidateFile (open existing file with blocks allocated) //---------------------------------------------------------------- rv = blockFile->Open(localFile, 256); if (NS_FAILED(rv)) { printf("Test 18: failed (Open returned: 0x%.8x)\n", rv); goto exit; } rv = blockFile->Close(); if (NS_FAILED(rv)) { printf("Test 18: failed (Close returned: 0x%.8x)\n", rv); goto exit; } printf("Test 18: passed\n"); //---------------------------------------------------------------- // Test 19: WriteBlocks/ReadBlocks stress //---------------------------------------------------------------- rv = StressTest(localFile, 19, false); if (NS_FAILED(rv)) goto exit; printf("Test 19: passed\n"); exit: if (currentDirPath) free(currentDirPath); } // this scopes the nsCOMPtrs // no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM if (NS_FAILED(rv)) printf("Test failed: 0x%.8x\n", rv); rv = NS_ShutdownXPCOM(nullptr); NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed"); printf("XPCOM shut down.\n\n"); return 0; }