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			507 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			TOML
		
	
	
	
	
	
			
		
		
	
	
			507 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			TOML
		
	
	
	
	
	
| 
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| [[case]] # interspersed file test
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| define.SIZE = [10, 100]
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| define.FILES = [4, 10, 26]
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| code = '''
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|     lfs_file_t files[FILES];
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|     const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_file_open(&lfs, &files[j], path,
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|                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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|     }
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| 
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|     for (int i = 0; i < SIZE; i++) {
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|         for (int j = 0; j < FILES; j++) {
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|             lfs_file_write(&lfs, &files[j], &alphas[j], 1) => 1;
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|         }
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|     }
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| 
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|     for (int j = 0; j < FILES; j++) {
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|         lfs_file_close(&lfs, &files[j]);
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|     }
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| 
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|     lfs_dir_open(&lfs, &dir, "/") => 0;
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, ".") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "..") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_dir_read(&lfs, &dir, &info) => 1;
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|         assert(strcmp(info.name, path) == 0);
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|         assert(info.type == LFS_TYPE_REG);
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|         assert(info.size == SIZE);
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|     }
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|     lfs_dir_read(&lfs, &dir, &info) => 0;
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|     lfs_dir_close(&lfs, &dir) => 0;
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| 
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_file_open(&lfs, &files[j], path, LFS_O_RDONLY) => 0;
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|     }
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| 
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|     for (int i = 0; i < 10; i++) {
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|         for (int j = 0; j < FILES; j++) {
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|             lfs_file_read(&lfs, &files[j], buffer, 1) => 1;
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|             assert(buffer[0] == alphas[j]);
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|         }
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|     }
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| 
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|     for (int j = 0; j < FILES; j++) {
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|         lfs_file_close(&lfs, &files[j]);
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|     }
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| 
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # interspersed remove file test
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| define.SIZE = [10, 100]
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| define.FILES = [4, 10, 26]
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| code = '''
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|     const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_file_open(&lfs, &file, path,
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|                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_EXCL) => 0;
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|         for (int i = 0; i < SIZE; i++) {
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|             lfs_file_write(&lfs, &file, &alphas[j], 1) => 1;
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|         }
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|         lfs_file_close(&lfs, &file);
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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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|     lfs_file_open(&lfs, &file, "zzz", LFS_O_WRONLY | LFS_O_CREAT) => 0;
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|     for (int j = 0; j < FILES; j++) {
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|         lfs_file_write(&lfs, &file, (const void*)"~", 1) => 1;
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|         lfs_file_sync(&lfs, &file) => 0;
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| 
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_remove(&lfs, path) => 0;
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|     }
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|     lfs_file_close(&lfs, &file);
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| 
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|     lfs_dir_open(&lfs, &dir, "/") => 0;
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, ".") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "..") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "zzz") == 0);
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|     assert(info.type == LFS_TYPE_REG);
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|     assert(info.size == FILES);
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|     lfs_dir_read(&lfs, &dir, &info) => 0;
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|     lfs_dir_close(&lfs, &dir) => 0;
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| 
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|     lfs_file_open(&lfs, &file, "zzz", LFS_O_RDONLY) => 0;
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|     for (int i = 0; i < FILES; i++) {
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|         lfs_file_read(&lfs, &file, buffer, 1) => 1;
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|         assert(buffer[0] == '~');
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|     }
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|     lfs_file_close(&lfs, &file);
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| 
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # remove inconveniently test
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| define.SIZE = [10, 100]
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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_t files[3];
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|     lfs_file_open(&lfs, &files[0], "e", LFS_O_WRONLY | LFS_O_CREAT) => 0;
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|     lfs_file_open(&lfs, &files[1], "f", LFS_O_WRONLY | LFS_O_CREAT) => 0;
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|     lfs_file_open(&lfs, &files[2], "g", LFS_O_WRONLY | LFS_O_CREAT) => 0;
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| 
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|     for (int i = 0; i < SIZE/2; i++) {
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|         lfs_file_write(&lfs, &files[0], (const void*)"e", 1) => 1;
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|         lfs_file_write(&lfs, &files[1], (const void*)"f", 1) => 1;
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|         lfs_file_write(&lfs, &files[2], (const void*)"g", 1) => 1;
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|     }
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| 
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|     lfs_remove(&lfs, "f") => 0;
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| 
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|     for (int i = 0; i < SIZE/2; i++) {
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|         lfs_file_write(&lfs, &files[0], (const void*)"e", 1) => 1;
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|         lfs_file_write(&lfs, &files[1], (const void*)"f", 1) => 1;
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|         lfs_file_write(&lfs, &files[2], (const void*)"g", 1) => 1;
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|     }
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| 
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|     lfs_file_close(&lfs, &files[0]);
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|     lfs_file_close(&lfs, &files[1]);
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|     lfs_file_close(&lfs, &files[2]);
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| 
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|     lfs_dir_open(&lfs, &dir, "/") => 0;
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, ".") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "..") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "e") == 0);
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|     assert(info.type == LFS_TYPE_REG);
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|     assert(info.size == SIZE);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "g") == 0);
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|     assert(info.type == LFS_TYPE_REG);
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|     assert(info.size == SIZE);
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|     lfs_dir_read(&lfs, &dir, &info) => 0;
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|     lfs_dir_close(&lfs, &dir) => 0;
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| 
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|     lfs_file_open(&lfs, &files[0], "e", LFS_O_RDONLY) => 0;
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|     lfs_file_open(&lfs, &files[1], "g", LFS_O_RDONLY) => 0;
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|     for (int i = 0; i < SIZE; i++) {
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|         lfs_file_read(&lfs, &files[0], buffer, 1) => 1;
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|         assert(buffer[0] == 'e');
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|         lfs_file_read(&lfs, &files[1], buffer, 1) => 1;
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|         assert(buffer[0] == 'g');
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|     }
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|     lfs_file_close(&lfs, &files[0]);
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|     lfs_file_close(&lfs, &files[1]);
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| 
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # reentrant interspersed file test
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| define.SIZE = [10, 100]
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| define.FILES = [4, 10, 26]
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| reentrant = true
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| code = '''
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|     lfs_file_t files[FILES];
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|     const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
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| 
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|     err = lfs_mount(&lfs, &cfg);
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|     if (err) {
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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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| 
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_file_open(&lfs, &files[j], path,
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|                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
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|     }
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| 
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|     for (int i = 0; i < SIZE; i++) {
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|         for (int j = 0; j < FILES; j++) {
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|             size = lfs_file_size(&lfs, &files[j]);
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|             assert((int)size >= 0);
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|             if ((int)size <= i) {
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|                 lfs_file_write(&lfs, &files[j], &alphas[j], 1) => 1;
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|                 lfs_file_sync(&lfs, &files[j]) => 0;
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|             }
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|         }
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|     }
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| 
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|     for (int j = 0; j < FILES; j++) {
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|         lfs_file_close(&lfs, &files[j]);
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|     }
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| 
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|     lfs_dir_open(&lfs, &dir, "/") => 0;
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, ".") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     lfs_dir_read(&lfs, &dir, &info) => 1;
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|     assert(strcmp(info.name, "..") == 0);
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|     assert(info.type == LFS_TYPE_DIR);
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_dir_read(&lfs, &dir, &info) => 1;
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|         assert(strcmp(info.name, path) == 0);
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|         assert(info.type == LFS_TYPE_REG);
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|         assert(info.size == SIZE);
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|     }
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|     lfs_dir_read(&lfs, &dir, &info) => 0;
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|     lfs_dir_close(&lfs, &dir) => 0;
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| 
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|     for (int j = 0; j < FILES; j++) {
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|         sprintf(path, "%c", alphas[j]);
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|         lfs_file_open(&lfs, &files[j], path, LFS_O_RDONLY) => 0;
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|     }
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| 
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|     for (int i = 0; i < 10; i++) {
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|         for (int j = 0; j < FILES; j++) {
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|             lfs_file_read(&lfs, &files[j], buffer, 1) => 1;
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|             assert(buffer[0] == alphas[j]);
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|         }
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|     }
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| 
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|     for (int j = 0; j < FILES; j++) {
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|         lfs_file_close(&lfs, &files[j]);
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|     }
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| 
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # open same file reading from separate file handles
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| define.READERS = 3
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| define.SIZE = [10, 100, 1000, 10000]
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| define.RDMODE = ['LFS_O_RDONLY', 'LFS_O_RDWR']
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| code = '''
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|     const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
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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, "shared", LFS_O_CREAT | LFS_O_WRONLY) => 0;
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|     for (int j = 0; j < SIZE; j++) {
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|         lfs_file_write(&lfs, &file, &alphas[j % 26], 1) => 1;
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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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|     // open all files
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_t readers[READERS];
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|     for (int i = 0; i < READERS; i++) {
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|         lfs_file_open(&lfs, &readers[i], "shared", RDMODE) => 0;
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|     }
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| 
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|     // perform operations while all readers are open
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|     for (int i = 0; i < READERS; i++) {
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|         for (int j = 0; j < SIZE; j++) {
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|             lfs_file_read(&lfs, &readers[i], buffer, 1) => 1;
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|             assert(buffer[0] == alphas[j % 26]);
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|         }
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|     }
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| 
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|     for (int i = 0; i < READERS; i++) {
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|         lfs_file_close(&lfs, &readers[i]) => 0;
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|     }
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # open same file reading and writing from separate file handles
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| define.READERS = 3
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| define.SIZE = [10, 100, 1000, 10000]
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| define.RDMODE = ['LFS_O_RDONLY', 'LFS_O_RDWR']
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| define.WRMODE = ['LFS_O_WRONLY', 'LFS_O_RDWR']
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| code = '''
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|     const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
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|     const char nums[] = "0123456789";
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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, "shared", LFS_O_CREAT | LFS_O_WRONLY) => 0;
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|     for (int j = 0; j < SIZE; j++) {
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|         lfs_file_write(&lfs, &file, &alphas[j % 26], 1) => 1;
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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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|     // open all files
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_t writer;
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|     lfs_file_t readers[READERS];
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|     lfs_file_open(&lfs, &writer, "shared", WRMODE) => 0;
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|     for (int i = 0; i < READERS; i++) {
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|         lfs_file_open(&lfs, &readers[i], "shared", RDMODE) => 0;
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|     }
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| 
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|     // perform operations while all readers are open
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|     for (int j = 0; j < SIZE; j++) {
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|         lfs_file_write(&lfs, &writer, &nums[j % 10], 1) => 1;
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|     }
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| 
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|     for (int i = 0; i < READERS; i++) {
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|         for (int j = 0; j < SIZE/2; j++) {
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|             lfs_file_read(&lfs, &readers[i], buffer, 1) => 1;
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|             assert(buffer[0] == alphas[j % 26]);
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|         }
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|     }
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| 
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|     // sync, now write should reflect in all open files
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|     lfs_file_sync(&lfs, &writer) => 0;
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| 
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|     for (int i = 0; i < READERS; i++) {
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|         for (int j = SIZE/2; j < SIZE; j++) {
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|             lfs_file_read(&lfs, &readers[i], buffer, 1) => 1;
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|             assert(buffer[0] == nums[j % 10]);
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|         }
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|     }
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| 
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|     // double check our writer reflects its own changes
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|     if (WRMODE == LFS_O_RDWR) {
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|         lfs_file_rewind(&lfs, &writer) => 0;
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|         for (int j = 0; j < SIZE; j++) {
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|             lfs_file_read(&lfs, &writer, buffer, 1) => 1;
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|             assert(buffer[0] == nums[j % 10]);
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|         }
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|     }
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| 
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|     for (int i = 0; i < READERS; i++) {
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|         lfs_file_close(&lfs, &readers[i]) => 0;
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|     }
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|     lfs_unmount(&lfs) => 0;
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| '''
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| 
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| [[case]] # check that attributes are updated in open files
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| define.READERS = 3
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| define.SIZE = 10
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| define.RDMODE = ['LFS_O_RDONLY', 'LFS_O_RDWR']
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| define.WRMODE = ['LFS_O_WRONLY', 'LFS_O_RDWR']
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| code = '''
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|     const char alphas[] = "abcdefghijklmnopqrstuvwxyz";
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|     const char nums[] = "0123456789";
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|     lfs_format(&lfs, &cfg) => 0;
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|     lfs_mount(&lfs, &cfg) => 0;
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|     const struct lfs_file_config filecfg = {
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|         .attr_count = 3,
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|         .attrs = (struct lfs_attr[]){
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|             {'A', "a",   1},
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|             {'B', "bb",  2},
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|             {'C', "ccc", 3},
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|         },
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|     };
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|     lfs_file_opencfg(&lfs, &file, "shared",
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|             LFS_O_CREAT | LFS_O_WRONLY, &filecfg) => 0;
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|     for (int j = 0; j < SIZE; j++) {
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|         lfs_file_write(&lfs, &file, &alphas[j % 26], 1) => 1;
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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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|     // open all files
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|     lfs_mount(&lfs, &cfg) => 0;
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|     lfs_file_t writer;
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|     const struct lfs_file_config writercfg = {
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|         .attr_count = 3,
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|         .attrs = (struct lfs_attr[]){
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|             {'A', &(uint8_t[1]){0}, 1},
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|             {'B', &(uint8_t[2]){0}, 2},
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|             {'C', &(uint8_t[3]){0}, 3}}};
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|     lfs_file_t readers[READERS];
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|     const struct lfs_file_config readercfgs[READERS] = {
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|         {   .attr_count = 3,
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|             .attrs = (struct lfs_attr[]){
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|                 {'A', &(uint8_t[1]){0}, 1},
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|                 {'B', &(uint8_t[2]){0}, 2},
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|                 {'C', &(uint8_t[3]){0}, 3}}},
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|         {   .attr_count = 3,
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|             .attrs = (struct lfs_attr[]){
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|                 {'A', &(uint8_t[1]){0}, 1},
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|                 {'B', &(uint8_t[2]){0}, 2},
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|                 {'C', &(uint8_t[3]){0}, 3}}},
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|         {   .attr_count = 3,
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|             .attrs = (struct lfs_attr[]){
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|                 {'A', &(uint8_t[1]){0}, 1},
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|                 {'B', &(uint8_t[2]){0}, 2},
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|                 {'C', &(uint8_t[3]){0}, 3}}}};
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|     lfs_file_opencfg(&lfs, &writer, "shared",
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|             WRMODE, &writercfg) => 0;
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|     for (int i = 0; i < READERS; i++) {
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|         lfs_file_opencfg(&lfs, &readers[i], "shared",
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|                 RDMODE, &readercfgs[i]) => 0;
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|     }
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| 
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|     // perform operations while all readers are open
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|     writercfg.attrs[0].size = 1;
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|     memcpy(writercfg.attrs[0].buffer, "0", 1);
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|     writercfg.attrs[1].size = 2;
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|     memcpy(writercfg.attrs[1].buffer, "11", 2);
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|     writercfg.attrs[2].size = 3;
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|     memcpy(writercfg.attrs[2].buffer, "222", 3);
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|     for (int j = 0; j < SIZE; j++) {
 | |
|         lfs_file_write(&lfs, &writer, &nums[j % 10], 1) => 1;
 | |
|     }
 | |
| 
 | |
|     for (int i = 0; i < READERS; i++) {
 | |
|         assert(readercfgs[i].attrs[0].size == 1);
 | |
|         assert(memcmp(readercfgs[i].attrs[0].buffer, "a", 1) == 0);
 | |
|         assert(readercfgs[i].attrs[1].size == 2);
 | |
|         assert(memcmp(readercfgs[i].attrs[1].buffer, "bb", 2) == 0);
 | |
|         assert(readercfgs[i].attrs[2].size == 3);
 | |
|         assert(memcmp(readercfgs[i].attrs[2].buffer, "ccc", 3) == 0);
 | |
|         for (int j = 0; j < SIZE; j++) {
 | |
|             lfs_file_read(&lfs, &readers[i], buffer, 1) => 1;
 | |
|             assert(buffer[0] == alphas[j % 26]);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     // sync, now write should reflect in all open files
 | |
|     lfs_file_sync(&lfs, &writer) => 0;
 | |
| 
 | |
|     for (int i = 0; i < READERS; i++) {
 | |
|         assert(readercfgs[i].attrs[0].size == 1);
 | |
|         assert(memcmp(readercfgs[i].attrs[0].buffer, "0", 1) == 0);
 | |
|         assert(readercfgs[i].attrs[1].size == 2);
 | |
|         assert(memcmp(readercfgs[i].attrs[1].buffer, "11", 2) == 0);
 | |
|         assert(readercfgs[i].attrs[2].size == 3);
 | |
|         assert(memcmp(readercfgs[i].attrs[2].buffer, "222", 3) == 0);
 | |
|         lfs_file_rewind(&lfs, &readers[i]) => 0;
 | |
|         for (int j = 0; j < SIZE; j++) {
 | |
|             lfs_file_read(&lfs, &readers[i], buffer, 1) => 1;
 | |
|             assert(buffer[0] == nums[j % 10]);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     // double check our writer reflects its own changes
 | |
|     if (WRMODE == LFS_O_RDWR) {
 | |
|         assert(writercfg.attrs[0].size == 1);
 | |
|         assert(memcmp(writercfg.attrs[0].buffer, "0", 1) == 0);
 | |
|         assert(writercfg.attrs[1].size == 2);
 | |
|         assert(memcmp(writercfg.attrs[1].buffer, "11", 2) == 0);
 | |
|         assert(writercfg.attrs[2].size == 3);
 | |
|         assert(memcmp(writercfg.attrs[2].buffer, "222", 3) == 0);
 | |
|         lfs_file_rewind(&lfs, &writer) => 0;
 | |
|         for (int j = 0; j < SIZE; j++) {
 | |
|             lfs_file_read(&lfs, &writer, buffer, 1) => 1;
 | |
|             assert(buffer[0] == nums[j % 10]);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     // now try explicit lfs_setattr calls, this should still update open files
 | |
|     lfs_setattr(&lfs, "shared", 'A', "A",   1) => 0;
 | |
|     lfs_setattr(&lfs, "shared", 'B', "BB",  2) => 0;
 | |
|     lfs_setattr(&lfs, "shared", 'C', "CCC", 3) => 0;
 | |
| 
 | |
|     for (int i = 0; i < READERS; i++) {
 | |
|         assert(readercfgs[i].attrs[0].size == 1);
 | |
|         assert(memcmp(readercfgs[i].attrs[0].buffer, "A", 1) == 0);
 | |
|         assert(readercfgs[i].attrs[1].size == 2);
 | |
|         assert(memcmp(readercfgs[i].attrs[1].buffer, "BB", 2) == 0);
 | |
|         assert(readercfgs[i].attrs[2].size == 3);
 | |
|         assert(memcmp(readercfgs[i].attrs[2].buffer, "CCC", 3) == 0);
 | |
|         lfs_file_rewind(&lfs, &readers[i]) => 0;
 | |
|         for (int j = 0; j < SIZE; j++) {
 | |
|             lfs_file_read(&lfs, &readers[i], buffer, 1) => 1;
 | |
|             assert(buffer[0] == nums[j % 10]);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (WRMODE == LFS_O_RDWR) {
 | |
|         assert(writercfg.attrs[0].size == 1);
 | |
|         assert(memcmp(writercfg.attrs[0].buffer, "A", 1) == 0);
 | |
|         assert(writercfg.attrs[1].size == 2);
 | |
|         assert(memcmp(writercfg.attrs[1].buffer, "BB", 2) == 0);
 | |
|         assert(writercfg.attrs[2].size == 3);
 | |
|         assert(memcmp(writercfg.attrs[2].buffer, "CCC", 3) == 0);
 | |
|         lfs_file_rewind(&lfs, &writer) => 0;
 | |
|         for (int j = 0; j < SIZE; j++) {
 | |
|             lfs_file_read(&lfs, &writer, buffer, 1) => 1;
 | |
|             assert(buffer[0] == nums[j % 10]);
 | |
|         }
 | |
|     } else if (WRMODE == LFS_O_WRONLY) {
 | |
|         // this should NOT update wronly attributes, these may be
 | |
|         // stored in read-only memory
 | |
|         assert(writercfg.attrs[0].size == 1);
 | |
|         assert(memcmp(writercfg.attrs[0].buffer, "0", 1) == 0);
 | |
|         assert(writercfg.attrs[1].size == 2);
 | |
|         assert(memcmp(writercfg.attrs[1].buffer, "11", 2) == 0);
 | |
|         assert(writercfg.attrs[2].size == 3);
 | |
|         assert(memcmp(writercfg.attrs[2].buffer, "222", 3) == 0);
 | |
|     }
 | |
| 
 | |
|     for (int i = 0; i < READERS; i++) {
 | |
|         lfs_file_close(&lfs, &readers[i]) => 0;
 | |
|     }
 | |
|     lfs_unmount(&lfs) => 0;
 | |
| '''
 |