forked from Imagelibrary/littlefs
b72c96d440
The intention is to help interop with older minor versions of littlefs. Unfortunately, since lfs2.0 drivers cannot mount lfs2.1 images, there are situations where it would be useful to write to write strictly lfs2.0 compatible images. The solution here adds a "disk_version" configuration option which determines the behavior of lfs2.1 dependent features. Normally you would expect this to only change write behavior. But since the main change in lfs2.1 increased validation of erased data, we also need to skip this extra validation (fcrc) or see terrible slowdowns when writing.
128 lines
3.3 KiB
C
128 lines
3.3 KiB
C
/*
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* Runner for littlefs tests
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*
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* Copyright (c) 2022, The littlefs authors.
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef TEST_RUNNER_H
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#define TEST_RUNNER_H
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// override LFS_TRACE
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void test_trace(const char *fmt, ...);
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#define LFS_TRACE_(fmt, ...) \
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test_trace("%s:%d:trace: " fmt "%s\n", \
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__FILE__, \
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__LINE__, \
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__VA_ARGS__)
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#define LFS_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
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#define LFS_EMUBD_TRACE(...) LFS_TRACE_(__VA_ARGS__, "")
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// note these are indirectly included in any generated files
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#include "bd/lfs_emubd.h"
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#include <stdio.h>
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// give source a chance to define feature macros
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#undef _FEATURES_H
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#undef _STDIO_H
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// generated test configurations
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struct lfs_config;
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enum test_flags {
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TEST_REENTRANT = 0x1,
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};
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typedef uint8_t test_flags_t;
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typedef struct test_define {
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intmax_t (*cb)(void *data);
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void *data;
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} test_define_t;
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struct test_case {
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const char *name;
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const char *path;
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test_flags_t flags;
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size_t permutations;
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const test_define_t *defines;
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bool (*filter)(void);
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void (*run)(struct lfs_config *cfg);
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};
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struct test_suite {
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const char *name;
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const char *path;
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test_flags_t flags;
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const char *const *define_names;
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size_t define_count;
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const struct test_case *cases;
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size_t case_count;
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};
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// deterministic prng for pseudo-randomness in testes
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uint32_t test_prng(uint32_t *state);
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#define TEST_PRNG(state) test_prng(state)
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// access generated test defines
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intmax_t test_define(size_t define);
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#define TEST_DEFINE(i) test_define(i)
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// a few preconfigured defines that control how tests run
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#define READ_SIZE_i 0
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#define PROG_SIZE_i 1
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#define BLOCK_SIZE_i 2
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#define BLOCK_COUNT_i 3
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#define CACHE_SIZE_i 4
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#define LOOKAHEAD_SIZE_i 5
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#define BLOCK_CYCLES_i 6
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#define ERASE_VALUE_i 7
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#define ERASE_CYCLES_i 8
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#define BADBLOCK_BEHAVIOR_i 9
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#define POWERLOSS_BEHAVIOR_i 10
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#define DISK_VERSION_i 11
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#define READ_SIZE TEST_DEFINE(READ_SIZE_i)
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#define PROG_SIZE TEST_DEFINE(PROG_SIZE_i)
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#define BLOCK_SIZE TEST_DEFINE(BLOCK_SIZE_i)
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#define BLOCK_COUNT TEST_DEFINE(BLOCK_COUNT_i)
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#define CACHE_SIZE TEST_DEFINE(CACHE_SIZE_i)
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#define LOOKAHEAD_SIZE TEST_DEFINE(LOOKAHEAD_SIZE_i)
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#define BLOCK_CYCLES TEST_DEFINE(BLOCK_CYCLES_i)
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#define ERASE_VALUE TEST_DEFINE(ERASE_VALUE_i)
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#define ERASE_CYCLES TEST_DEFINE(ERASE_CYCLES_i)
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#define BADBLOCK_BEHAVIOR TEST_DEFINE(BADBLOCK_BEHAVIOR_i)
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#define POWERLOSS_BEHAVIOR TEST_DEFINE(POWERLOSS_BEHAVIOR_i)
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#define DISK_VERSION TEST_DEFINE(DISK_VERSION_i)
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#define TEST_IMPLICIT_DEFINES \
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TEST_DEF(READ_SIZE, PROG_SIZE) \
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TEST_DEF(PROG_SIZE, BLOCK_SIZE) \
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TEST_DEF(BLOCK_SIZE, 0) \
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TEST_DEF(BLOCK_COUNT, (1024*1024)/BLOCK_SIZE) \
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TEST_DEF(CACHE_SIZE, lfs_max(64,lfs_max(READ_SIZE,PROG_SIZE))) \
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TEST_DEF(LOOKAHEAD_SIZE, 16) \
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TEST_DEF(BLOCK_CYCLES, -1) \
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TEST_DEF(ERASE_VALUE, 0xff) \
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TEST_DEF(ERASE_CYCLES, 0) \
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TEST_DEF(BADBLOCK_BEHAVIOR, LFS_EMUBD_BADBLOCK_PROGERROR) \
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TEST_DEF(POWERLOSS_BEHAVIOR, LFS_EMUBD_POWERLOSS_NOOP) \
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TEST_DEF(DISK_VERSION, 0)
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#define TEST_IMPLICIT_DEFINE_COUNT 12
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#define TEST_GEOMETRY_DEFINE_COUNT 4
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#endif
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