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	This involved some minor tweaks for the various types of tests, added predicates to the test framework (necessary for test_entries and test_alloc), and cleaned up some of the testing semantics such as reporting how many tests are filtered, showing permutation config on the result screen, and properly inheriting suite config in cases.
		
			
				
	
	
		
			567 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			TOML
		
	
	
	
	
	
			
		
		
	
	
			567 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			TOML
		
	
	
	
	
	
| # allocator tests
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| # note for these to work there are many constraints on the device geometry
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| 
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| [[case]] # parallel allocation test
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| code = '''
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|     const char *names[FILES] = {"bacon", "eggs", "pancakes"};
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|     lfs_file_t files[FILES];
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| 
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_mkdir(&lfs, "breakfast") => 0;
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|     lfs_unmount(&lfs) => 0;
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| 
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|     lfs_mount(&lfs, &cfg) => 0;
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|     for (int n = 0; n < FILES; n++) {
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|         sprintf(path, "breakfast/%s", names[n]);
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|         lfs_file_open(&lfs, &files[n], path,
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|                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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|     }
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|     for (int n = 0; n < FILES; n++) {
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|         size = strlen(names[n]);
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|         for (lfs_size_t i = 0; i < SIZE; i += size) {
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|             lfs_file_write(&lfs, &files[n], names[n], size) => size;
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|         }
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|     }
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|     for (int n = 0; n < FILES; n++) {
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|         lfs_file_close(&lfs, &files[n]) => 0;
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|     }
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|     lfs_unmount(&lfs) => 0;
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| 
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|     lfs_mount(&lfs, &cfg) => 0;
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|     for (int n = 0; n < FILES; n++) {
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|         sprintf(path, "breakfast/%s", names[n]);
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|         lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
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|         size = strlen(names[n]);
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|         for (lfs_size_t i = 0; i < SIZE; i += size) {
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|             lfs_file_read(&lfs, &file, buffer, size) => size;
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|             assert(memcmp(buffer, names[n], size) == 0);
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|         }
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|         lfs_file_close(&lfs, &file) => 0;
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|     }
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|     lfs_unmount(&lfs) => 0;
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| '''
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| define.FILES = 3
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| define.SIZE = '(((LFS_BLOCK_SIZE-8)*(LFS_BLOCK_COUNT-4)) / FILES)'
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| 
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| [[case]] # serial allocation test
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| code = '''
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|     const char *names[FILES] = {"bacon", "eggs", "pancakes"};
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| 
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_mkdir(&lfs, "breakfast") => 0;
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|     lfs_unmount(&lfs) => 0;
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| 
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|     for (int n = 0; n < FILES; n++) {
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|         lfs_mount(&lfs, &cfg) => 0;
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|         sprintf(path, "breakfast/%s", names[n]);
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|         lfs_file_open(&lfs, &file, path,
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|                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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|         size = strlen(names[n]);
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|         memcpy(buffer, names[n], size);
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|         for (int i = 0; i < SIZE; i += size) {
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|             lfs_file_write(&lfs, &file, buffer, size) => size;
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|         }
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|         lfs_file_close(&lfs, &file) => 0;
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|         lfs_unmount(&lfs) => 0;
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|     }
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| 
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|     lfs_mount(&lfs, &cfg) => 0;
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|     for (int n = 0; n < FILES; n++) {
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|         sprintf(path, "breakfast/%s", names[n]);
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|         lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
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|         size = strlen(names[n]);
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|         for (int i = 0; i < SIZE; i += size) {
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|             lfs_file_read(&lfs, &file, buffer, size) => size;
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|             assert(memcmp(buffer, names[n], size) == 0);
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|         }
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|         lfs_file_close(&lfs, &file) => 0;
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|     }
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|     lfs_unmount(&lfs) => 0;
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| '''
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| define.FILES = 3
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| define.SIZE = '(((LFS_BLOCK_SIZE-8)*(LFS_BLOCK_COUNT-4)) / FILES)'
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| 
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| [[case]] # parallel allocation reuse test
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| code = '''
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|     const char *names[FILES] = {"bacon", "eggs", "pancakes"};
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|     lfs_file_t files[FILES];
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| 
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|     lfs_format(&lfs, &cfg) => 0;
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| 
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|     for (int c = 0; c < CYCLES; c++) {
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|         lfs_mount(&lfs, &cfg) => 0;
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|         lfs_mkdir(&lfs, "breakfast") => 0;
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|         lfs_unmount(&lfs) => 0;
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| 
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|         lfs_mount(&lfs, &cfg) => 0;
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|         for (int n = 0; n < FILES; n++) {
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|             sprintf(path, "breakfast/%s", names[n]);
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|             lfs_file_open(&lfs, &files[n], path,
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|                     LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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|         }
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|         for (int n = 0; n < FILES; n++) {
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|             size = strlen(names[n]);
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|             for (int i = 0; i < SIZE; i += size) {
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|                 lfs_file_write(&lfs, &files[n], names[n], size) => size;
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|             }
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|         }
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|         for (int n = 0; n < FILES; n++) {
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|             lfs_file_close(&lfs, &files[n]) => 0;
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|         }
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|         lfs_unmount(&lfs) => 0;
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| 
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|         lfs_mount(&lfs, &cfg) => 0;
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|         for (int n = 0; n < FILES; n++) {
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|             sprintf(path, "breakfast/%s", names[n]);
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|             lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
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|             size = strlen(names[n]);
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|             for (int i = 0; i < SIZE; i += size) {
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|                 lfs_file_read(&lfs, &file, buffer, size) => size;
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|                 assert(memcmp(buffer, names[n], size) == 0);
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|             }
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|             lfs_file_close(&lfs, &file) => 0;
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|         }
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|         lfs_unmount(&lfs) => 0;
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| 
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|         lfs_mount(&lfs, &cfg) => 0;
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|         for (int n = 0; n < FILES; n++) {
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|             sprintf(path, "breakfast/%s", names[n]);
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|             lfs_remove(&lfs, path) => 0;
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|         }
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|         lfs_remove(&lfs, "breakfast") => 0;
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|         lfs_unmount(&lfs) => 0;
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|     }
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| '''
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| define.FILES = 3
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| define.SIZE = '(((LFS_BLOCK_SIZE-8)*(LFS_BLOCK_COUNT-4)) / FILES)'
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| define.CYCLES = [1, 10]
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| 
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| [[case]] # serial allocation reuse test
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| code = '''
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|     const char *names[FILES] = {"bacon", "eggs", "pancakes"};
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| 
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|     lfs_format(&lfs, &cfg) => 0;
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| 
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|     for (int c = 0; c < CYCLES; c++) {
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|         lfs_mount(&lfs, &cfg) => 0;
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|         lfs_mkdir(&lfs, "breakfast") => 0;
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|         lfs_unmount(&lfs) => 0;
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| 
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|         for (int n = 0; n < FILES; n++) {
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|             lfs_mount(&lfs, &cfg) => 0;
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|             sprintf(path, "breakfast/%s", names[n]);
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|             lfs_file_open(&lfs, &file, path,
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|                     LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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|             size = strlen(names[n]);
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|             memcpy(buffer, names[n], size);
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|             for (int i = 0; i < SIZE; i += size) {
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|                 lfs_file_write(&lfs, &file, buffer, size) => size;
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|             }
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|             lfs_file_close(&lfs, &file) => 0;
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|             lfs_unmount(&lfs) => 0;
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|         }
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| 
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|         lfs_mount(&lfs, &cfg) => 0;
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|         for (int n = 0; n < FILES; n++) {
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|             sprintf(path, "breakfast/%s", names[n]);
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|             lfs_file_open(&lfs, &file, path, LFS_O_RDONLY) => 0;
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|             size = strlen(names[n]);
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|             for (int i = 0; i < SIZE; i += size) {
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|                 lfs_file_read(&lfs, &file, buffer, size) => size;
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|                 assert(memcmp(buffer, names[n], size) == 0);
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|             }
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|             lfs_file_close(&lfs, &file) => 0;
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|         }
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|         lfs_unmount(&lfs) => 0;
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| 
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|         lfs_mount(&lfs, &cfg) => 0;
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|         for (int n = 0; n < FILES; n++) {
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|             sprintf(path, "breakfast/%s", names[n]);
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|             lfs_remove(&lfs, path) => 0;
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|         }
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|         lfs_remove(&lfs, "breakfast") => 0;
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|         lfs_unmount(&lfs) => 0;
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|     }
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| '''
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| define.FILES = 3
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| define.SIZE = '(((LFS_BLOCK_SIZE-8)*(LFS_BLOCK_COUNT-4)) / FILES)'
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| define.CYCLES = [1, 10]
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| 
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| [[case]] # exhaustion test
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| code = '''
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     size = strlen("exhaustion");
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|     memcpy(buffer, "exhaustion", size);
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|     lfs_file_write(&lfs, &file, buffer, size) => size;
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|     lfs_file_sync(&lfs, &file) => 0;
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| 
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|     size = strlen("blahblahblahblah");
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|     memcpy(buffer, "blahblahblahblah", size);
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|     lfs_ssize_t res;
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|     while (true) {
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|         res = lfs_file_write(&lfs, &file, buffer, size);
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|         if (res < 0) {
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|             break;
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|         }
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| 
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|         res => size;
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|     }
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|     res => LFS_ERR_NOSPC;
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| 
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|     lfs_file_close(&lfs, &file) => 0;
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|     lfs_unmount(&lfs) => 0;
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| 
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_RDONLY);
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|     size = strlen("exhaustion");
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|     lfs_file_size(&lfs, &file) => size;
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|     lfs_file_read(&lfs, &file, buffer, size) => size;
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|     memcmp(buffer, "exhaustion", size) => 0;
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|     lfs_file_close(&lfs, &file) => 0;
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # exhaustion wraparound test
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| code = '''
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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| 
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|     lfs_file_open(&lfs, &file, "padding", LFS_O_WRONLY | LFS_O_CREAT);
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|     size = strlen("buffering");
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|     memcpy(buffer, "buffering", size);
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|     for (int i = 0; i < SIZE; i += size) {
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|         lfs_file_write(&lfs, &file, buffer, size) => size;
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|     }
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|     lfs_file_close(&lfs, &file) => 0;
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|     lfs_remove(&lfs, "padding") => 0;
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| 
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     size = strlen("exhaustion");
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|     memcpy(buffer, "exhaustion", size);
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|     lfs_file_write(&lfs, &file, buffer, size) => size;
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|     lfs_file_sync(&lfs, &file) => 0;
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| 
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|     size = strlen("blahblahblahblah");
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|     memcpy(buffer, "blahblahblahblah", size);
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|     lfs_ssize_t res;
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|     while (true) {
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|         res = lfs_file_write(&lfs, &file, buffer, size);
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|         if (res < 0) {
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|             break;
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|         }
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| 
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|         res => size;
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|     }
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|     res => LFS_ERR_NOSPC;
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| 
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|     lfs_file_close(&lfs, &file) => 0;
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|     lfs_unmount(&lfs) => 0;
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| 
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_RDONLY);
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|     size = strlen("exhaustion");
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|     lfs_file_size(&lfs, &file) => size;
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|     lfs_file_read(&lfs, &file, buffer, size) => size;
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|     memcmp(buffer, "exhaustion", size) => 0;
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|     lfs_file_close(&lfs, &file) => 0;
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|     lfs_remove(&lfs, "exhaustion") => 0;
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|     lfs_unmount(&lfs) => 0;
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| '''
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| define.SIZE = '(((LFS_BLOCK_SIZE-8)*(LFS_BLOCK_COUNT-4)) / 3)'
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| 
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| [[case]] # dir exhaustion test
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| code = '''
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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| 
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|     // find out max file size
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|     lfs_mkdir(&lfs, "exhaustiondir") => 0;
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|     size = strlen("blahblahblahblah");
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|     memcpy(buffer, "blahblahblahblah", size);
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     int count = 0;
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|     while (true) {
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|         err = lfs_file_write(&lfs, &file, buffer, size);
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|         if (err < 0) {
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|             break;
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|         }
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| 
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|         count += 1;
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|     }
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|     err => LFS_ERR_NOSPC;
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|     lfs_file_close(&lfs, &file) => 0;
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| 
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|     lfs_remove(&lfs, "exhaustion") => 0;
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|     lfs_remove(&lfs, "exhaustiondir") => 0;
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| 
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|     // see if dir fits with max file size
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     for (int i = 0; i < count; i++) {
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|         lfs_file_write(&lfs, &file, buffer, size) => size;
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|     }
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|     lfs_file_close(&lfs, &file) => 0;
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| 
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|     lfs_mkdir(&lfs, "exhaustiondir") => 0;
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|     lfs_remove(&lfs, "exhaustiondir") => 0;
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|     lfs_remove(&lfs, "exhaustion") => 0;
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| 
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|     // see if dir fits with > max file size
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     for (int i = 0; i < count+1; i++) {
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|         lfs_file_write(&lfs, &file, buffer, size) => size;
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|     }
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|     lfs_file_close(&lfs, &file) => 0;
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| 
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|     lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
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| 
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|     lfs_remove(&lfs, "exhaustion") => 0;
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| # Below, I don't like these tests. They're fragile and depend _heavily_
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| # on the geometry of the block device. But they are valuable. Eventually they
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| # should be removed and replaced with generalized tests.
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| 
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| [[case]] # chained dir exhaustion test
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| code = '''
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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| 
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|     // find out max file size
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|     lfs_mkdir(&lfs, "exhaustiondir") => 0;
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|     for (int i = 0; i < 10; i++) {
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|         sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
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|         lfs_mkdir(&lfs, path) => 0;
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|     }
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|     size = strlen("blahblahblahblah");
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|     memcpy(buffer, "blahblahblahblah", size);
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     int count = 0;
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|     while (true) {
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|         err = lfs_file_write(&lfs, &file, buffer, size);
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|         if (err < 0) {
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|             break;
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|         }
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| 
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|         count += 1;
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|     }
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|     err => LFS_ERR_NOSPC;
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|     lfs_file_close(&lfs, &file) => 0;
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| 
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|     lfs_remove(&lfs, "exhaustion") => 0;
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|     lfs_remove(&lfs, "exhaustiondir") => 0;
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|     for (int i = 0; i < 10; i++) {
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|         sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
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|         lfs_remove(&lfs, path) => 0;
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|     }
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| 
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|     // see that chained dir fails
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     for (int i = 0; i < count+1; i++) {
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|         lfs_file_write(&lfs, &file, buffer, size) => size;
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|     }
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|     lfs_file_sync(&lfs, &file) => 0;
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| 
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|     for (int i = 0; i < 10; i++) {
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|         sprintf(path, "dirwithanexhaustivelylongnameforpadding%d", i);
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|         lfs_mkdir(&lfs, path) => 0;
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|     }
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| 
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|     lfs_mkdir(&lfs, "exhaustiondir") => LFS_ERR_NOSPC;
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| 
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|     // shorten file to try a second chained dir
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|     while (true) {
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|         err = lfs_mkdir(&lfs, "exhaustiondir");
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|         if (err != LFS_ERR_NOSPC) {
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|             break;
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|         }
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| 
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|         lfs_ssize_t filesize = lfs_file_size(&lfs, &file);
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|         filesize > 0 => true;
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| 
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|         lfs_file_truncate(&lfs, &file, filesize - size) => 0;
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|         lfs_file_sync(&lfs, &file) => 0;
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|     }
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|     err => 0;
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| 
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|     lfs_mkdir(&lfs, "exhaustiondir2") => LFS_ERR_NOSPC;
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| 
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|     lfs_file_close(&lfs, &file) => 0;
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|     lfs_unmount(&lfs) => 0;
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| '''
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| define.LFS_BLOCK_SIZE = 512
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| define.LFS_BLOCK_COUNT = 1024
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| if = 'LFS_BLOCK_SIZE == 512 and LFS_BLOCK_COUNT == 1024'
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| 
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| [[case]] # split dir test
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| code = '''
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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| 
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|     // create one block hole for half a directory
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|     lfs_file_open(&lfs, &file, "bump", LFS_O_WRONLY | LFS_O_CREAT) => 0;
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|     for (lfs_size_t i = 0; i < cfg.block_size; i += 2) {
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|         memcpy(&buffer[i], "hi", 2);
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|     }
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|     lfs_file_write(&lfs, &file, buffer, cfg.block_size) => cfg.block_size;
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|     lfs_file_close(&lfs, &file) => 0;
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| 
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|     lfs_file_open(&lfs, &file, "exhaustion", LFS_O_WRONLY | LFS_O_CREAT);
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|     size = strlen("blahblahblahblah");
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|     memcpy(buffer, "blahblahblahblah", size);
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|     for (lfs_size_t i = 0;
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|             i < (cfg.block_count-4)*(cfg.block_size-8);
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|             i += size) {
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|         lfs_file_write(&lfs, &file, buffer, size) => size;
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|     }
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|     lfs_file_close(&lfs, &file) => 0;
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| 
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|     // remount to force reset of lookahead
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|     lfs_unmount(&lfs) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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| 
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|     // open hole
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|     lfs_remove(&lfs, "bump") => 0;
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| 
 | |
|     lfs_mkdir(&lfs, "splitdir") => 0;
 | |
|     lfs_file_open(&lfs, &file, "splitdir/bump",
 | |
|             LFS_O_WRONLY | LFS_O_CREAT) => 0;
 | |
|     for (lfs_size_t i = 0; i < cfg.block_size; i += 2) {
 | |
|         memcpy(&buffer[i], "hi", 2);
 | |
|     }
 | |
|     lfs_file_write(&lfs, &file, buffer, 2*cfg.block_size) => LFS_ERR_NOSPC;
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     lfs_unmount(&lfs) => 0;
 | |
| '''
 | |
| define.LFS_BLOCK_SIZE = 512
 | |
| define.LFS_BLOCK_COUNT = 1024
 | |
| if = 'LFS_BLOCK_SIZE == 512 and LFS_BLOCK_COUNT == 1024'
 | |
| 
 | |
| [[case]] # outdated lookahead test
 | |
| code = '''
 | |
|     lfs_format(&lfs, &cfg) => 0;
 | |
|     lfs_mount(&lfs, &cfg) => 0;
 | |
| 
 | |
|     // fill completely with two files
 | |
|     lfs_file_open(&lfs, &file, "exhaustion1",
 | |
|             LFS_O_WRONLY | LFS_O_CREAT) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     lfs_file_open(&lfs, &file, "exhaustion2",
 | |
|             LFS_O_WRONLY | LFS_O_CREAT) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2+1)/2)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     // remount to force reset of lookahead
 | |
|     lfs_unmount(&lfs) => 0;
 | |
|     lfs_mount(&lfs, &cfg) => 0;
 | |
| 
 | |
|     // rewrite one file
 | |
|     lfs_file_open(&lfs, &file, "exhaustion1",
 | |
|             LFS_O_WRONLY | LFS_O_TRUNC) => 0;
 | |
|     lfs_file_sync(&lfs, &file) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     // rewrite second file, this requires lookahead does not
 | |
|     // use old population
 | |
|     lfs_file_open(&lfs, &file, "exhaustion2",
 | |
|             LFS_O_WRONLY | LFS_O_TRUNC) => 0;
 | |
|     lfs_file_sync(&lfs, &file) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2+1)/2)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| '''
 | |
| define.LFS_BLOCK_SIZE = 512
 | |
| define.LFS_BLOCK_COUNT = 1024
 | |
| if = 'LFS_BLOCK_SIZE == 512 and LFS_BLOCK_COUNT == 1024'
 | |
| 
 | |
| [[case]] # outdated lookahead and split dir test
 | |
| code = '''
 | |
|     lfs_format(&lfs, &cfg) => 0;
 | |
|     lfs_mount(&lfs, &cfg) => 0;
 | |
| 
 | |
|     // fill completely with two files
 | |
|     lfs_file_open(&lfs, &file, "exhaustion1",
 | |
|             LFS_O_WRONLY | LFS_O_CREAT) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2)/2)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     lfs_file_open(&lfs, &file, "exhaustion2",
 | |
|             LFS_O_WRONLY | LFS_O_CREAT) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2+1)/2)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     // remount to force reset of lookahead
 | |
|     lfs_unmount(&lfs) => 0;
 | |
|     lfs_mount(&lfs, &cfg) => 0;
 | |
| 
 | |
|     // rewrite one file with a hole of one block
 | |
|     lfs_file_open(&lfs, &file, "exhaustion1",
 | |
|             LFS_O_WRONLY | LFS_O_TRUNC) => 0;
 | |
|     lfs_file_sync(&lfs, &file) => 0;
 | |
|     size = strlen("blahblahblahblah");
 | |
|     memcpy(buffer, "blahblahblahblah", size);
 | |
|     for (lfs_size_t i = 0;
 | |
|             i < ((cfg.block_count-2)/2 - 1)*(cfg.block_size-8);
 | |
|             i += size) {
 | |
|         lfs_file_write(&lfs, &file, buffer, size) => size;
 | |
|     }
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     // try to allocate a directory, should fail!
 | |
|     lfs_mkdir(&lfs, "split") => LFS_ERR_NOSPC;
 | |
| 
 | |
|     // file should not fail
 | |
|     lfs_file_open(&lfs, &file, "notasplit",
 | |
|             LFS_O_WRONLY | LFS_O_CREAT) => 0;
 | |
|     lfs_file_write(&lfs, &file, "hi", 2) => 2;
 | |
|     lfs_file_close(&lfs, &file) => 0;
 | |
| 
 | |
|     lfs_unmount(&lfs) => 0;
 | |
| '''
 | |
| define.LFS_BLOCK_SIZE = 512
 | |
| define.LFS_BLOCK_COUNT = 1024
 | |
| if = 'LFS_BLOCK_SIZE == 512 and LFS_BLOCK_COUNT == 1024'
 |