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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Simple unit test library
*
* Copyright (c) 2013 Google, Inc
*/
#ifndef __TEST_UT_H
#define __TEST_UT_H
#include <command.h>
#include <hexdump.h>
#include <linux/err.h>
#include <test/test.h>
struct unit_test_state;
/**
* ut_fail() - Record failure of a unit test
*
* @uts: Test state
* @fname: Filename where the error occurred
* @line: Line number where the error occurred
* @func: Function name where the error occurred
* @cond: The condition that failed
*/
void ut_fail(struct unit_test_state *uts, const char *fname, int line,
const char *func, const char *cond);
/**
* ut_failf() - Record failure of a unit test
*
* @uts: Test state
* @fname: Filename where the error occurred
* @line: Line number where the error occurred
* @func: Function name where the error occurred
* @cond: The condition that failed
* @fmt: printf() format string for the error, followed by args
*/
void ut_failf(struct unit_test_state *uts, const char *fname, int line,
const char *func, const char *cond, const char *fmt, ...)
__attribute__ ((format (__printf__, 6, 7)));
/**
* ut_check_console_line() - Check the next console line against expectations
*
* This creates a string and then checks it against the next line of console
* output obtained with console_record_readline().
*
* After the function returns, uts->expect_str holds the expected string and
* uts->actual_str holds the actual string read from the console.
*
* @uts: Test state
* @fmt: printf() format string for the error, followed by args
* Return: 0 if OK, other value on error
*/
int ut_check_console_line(struct unit_test_state *uts, const char *fmt, ...)
__attribute__ ((format (__printf__, 2, 3)));
/**
* ut_check_console_linen() - Check part of the next console line
*
* This creates a string and then checks it against the next line of console
* output obtained with console_record_readline(). Only the length of the
* string is checked
*
* After the function returns, uts->expect_str holds the expected string and
* uts->actual_str holds the actual string read from the console.
*
* @uts: Test state
* @fmt: printf() format string for the error, followed by args
* Return: 0 if OK, other value on error
*/
int ut_check_console_linen(struct unit_test_state *uts, const char *fmt, ...)
__attribute__ ((format (__printf__, 2, 3)));
/**
* ut_check_skipline() - Check that the next console line exists and skip it
*
* @uts: Test state
* Return: 0 if OK, other value on error
*/
int ut_check_skipline(struct unit_test_state *uts);
/**
* ut_check_skip_to_line() - skip output until a line is found
*
* This creates a string and then checks it against the following lines of
* console output obtained with console_record_readline() until it is found.
*
* After the function returns, uts->expect_str holds the expected string and
* uts->actual_str holds the actual string read from the console.
*
* @uts: Test state
* @fmt: printf() format string to look for, followed by args
* Return: 0 if OK, -ENOENT if not found, other value on error
*/
int ut_check_skip_to_line(struct unit_test_state *uts, const char *fmt, ...);
/**
* ut_check_skip_to_linen() - skip output until a partial line is found
*
* This creates a string and then checks it against the following lines of
* console output obtained with console_record_readline() until it is found.
* Only the characters up to the length of the string are checked, so the line
* may extend further
*
* After the function returns, uts->expect_str holds the expected string and
* uts->actual_str holds the actual string read from the console.
*
* @uts: Test state
* @fmt: printf() format string to look for, followed by args
* Return: 0 if OK, -ENOENT if not found, other value on error
*/
int ut_check_skip_to_linen(struct unit_test_state *uts, const char *fmt, ...);
/**
* ut_check_console_end() - Check there is no more console output
*
* After the function returns, uts->actual_str holds the actual string read
* from the console
*
* @uts: Test state
* Return: 0 if OK (console has no output), other value on error
*/
int ut_check_console_end(struct unit_test_state *uts);
/**
* ut_check_console_dump() - Check that next lines have a print_buffer() dump
*
* This only supports a byte dump.
*
* @total_bytes: Size of the expected dump in bytes`
* Return: 0 if OK (looks like a dump and the length matches), other value on
* error
*/
int ut_check_console_dump(struct unit_test_state *uts, int total_bytes);
/* Report a failure, with printf() string */
#define ut_reportf(fmt, args...) \
ut_failf(uts, __FILE__, __LINE__, __func__, "report", \
fmt, ##args)
/* Assert that a condition is non-zero */
#define ut_assert(cond) ({ \
int __ret = 0; \
\
if (!(cond)) { \
ut_fail(uts, __FILE__, __LINE__, __func__, #cond); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that a condition is non-zero, with printf() string */
#define ut_assertf(cond, fmt, args...) ({ \
int __ret = 0; \
\
if (!(cond)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, #cond, \
fmt, ##args); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that two int expressions are equal */
#define ut_asserteq(expr1, expr2) ({ \
unsigned int _val1 = (expr1), _val2 = (expr2); \
int __ret = 0; \
\
if (_val1 != _val2) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " == " #expr2, \
"Expected %#x (%d), got %#x (%d)", \
_val1, _val1, _val2, _val2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that two 64 int expressions are equal */
#define ut_asserteq_64(expr1, expr2) ({ \
u64 _val1 = (expr1), _val2 = (expr2); \
int __ret = 0; \
\
if (_val1 != _val2) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " == " #expr2, \
"Expected %#llx (%lld), got %#llx (%lld)", \
(unsigned long long)_val1, \
(unsigned long long)_val1, \
(unsigned long long)_val2, \
(unsigned long long)_val2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that two string expressions are equal */
#define ut_asserteq_str(expr1, expr2) ({ \
const char *_val1 = (expr1), *_val2 = (expr2); \
int __ret = 0; \
\
if (strcmp(_val1, _val2)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " = " #expr2, \
"Expected \"%s\", got \"%s\"", _val1, _val2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/*
* Assert that two string expressions are equal, up to length of the
* first
*/
#define ut_asserteq_strn(expr1, expr2) ({ \
const char *_val1 = (expr1), *_val2 = (expr2); \
int _len = strlen(_val1); \
int __ret = 0; \
\
if (memcmp(_val1, _val2, _len)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " = " #expr2, \
"Expected \"%.*s\", got \"%.*s\"", \
_len, _val1, _len, _val2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that two memory areas are equal */
#define ut_asserteq_mem(expr1, expr2, len) ({ \
const u8 *_val1 = (u8 *)(expr1), *_val2 = (u8 *)(expr2); \
const uint __len = len; \
int __ret = 0; \
\
if (memcmp(_val1, _val2, __len)) { \
char __buf1[64 + 1] = "\0"; \
char __buf2[64 + 1] = "\0"; \
bin2hex(__buf1, _val1, min(__len, (uint)32)); \
bin2hex(__buf2, _val2, min(__len, (uint)32)); \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " = " #expr2, \
"Expected \"%s\", got \"%s\"", \
__buf1, __buf2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that two pointers are equal */
#define ut_asserteq_ptr(expr1, expr2) ({ \
const void *_val1 = (expr1), *_val2 = (expr2); \
int __ret = 0; \
\
if (_val1 != _val2) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " = " #expr2, \
"Expected %p, got %p", _val1, _val2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that two addresses (converted from pointers) are equal */
#define ut_asserteq_addr(expr1, expr2) ({ \
ulong _val1 = map_to_sysmem(expr1); \
ulong _val2 = map_to_sysmem(expr2); \
int __ret = 0; \
\
if (_val1 != _val2) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr1 " = " #expr2, \
"Expected %lx, got %lx", _val1, _val2); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that a pointer is NULL */
#define ut_assertnull(expr) ({ \
const void *_val = (expr); \
int __ret = 0; \
\
if (_val) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr " != NULL", \
"Expected NULL, got %p", _val); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that a pointer is not NULL */
#define ut_assertnonnull(expr) ({ \
const void *_val = (expr); \
int __ret = 0; \
\
if (!_val) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr " = NULL", \
"Expected non-null, got NULL"); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that a pointer is not an error pointer */
#define ut_assertok_ptr(expr) ({ \
const void *_val = (expr); \
int __ret = 0; \
\
if (IS_ERR(_val)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr " = NULL", \
"Expected pointer, got error %ld", \
PTR_ERR(_val)); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that an operation succeeds (returns 0) */
#define ut_assertok(cond) ut_asserteq(0, cond)
/* Assert that the next console output line matches */
#define ut_assert_nextline(fmt, args...) ({ \
int __ret = 0; \
\
if (ut_check_console_line(uts, fmt, ##args)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "\nExpected '%s',\n got '%s'", \
uts->expect_str, uts->actual_str); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that the next console output line matches up to the length */
#define ut_assert_nextlinen(fmt, args...) ({ \
int __ret = 0; \
\
if (ut_check_console_linen(uts, fmt, ##args)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "\nExpected '%s',\n got '%s'", \
uts->expect_str, uts->actual_str); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that there is a 'next' console output line, and skip it */
#define ut_assert_skipline() ({ \
int __ret = 0; \
\
if (ut_check_skipline(uts)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "\nExpected a line, got end"); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that a following console output line matches */
#define ut_assert_skip_to_line(fmt, args...) ({ \
int __ret = 0; \
\
if (ut_check_skip_to_line(uts, fmt, ##args)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "\nExpected '%s',\n got to '%s'", \
uts->expect_str, uts->actual_str); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that a following console output line matches */
#define ut_assert_skip_to_linen(fmt, args...) ({ \
int __ret = 0; \
\
if (ut_check_skip_to_linen(uts, fmt, ##args)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "\nExpected '%s',\n got to '%s'", \
uts->expect_str, uts->actual_str); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that there is no more console output */
#define ut_assert_console_end() ({ \
int __ret = 0; \
\
if (ut_check_console_end(uts)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", "Expected no more output, got '%s'",\
uts->actual_str); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that the next lines are print_buffer() dump at an address */
#define ut_assert_nextlines_are_dump(total_bytes) ({ \
int __ret = 0; \
\
if (ut_check_console_dump(uts, total_bytes)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
"console", \
"Expected dump of length %x bytes, got '%s'", \
total_bytes, uts->actual_str); \
return CMD_RET_FAILURE; \
} \
__ret; \
})
/* Assert that the next console output line is empty */
#define ut_assert_nextline_empty() \
ut_assert_nextline("%s", "")
/**
* ut_check_free() - Return the number of bytes free in the malloc() pool
*
* Return: bytes free
*/
ulong ut_check_free(void);
/**
* ut_check_delta() - Return the number of bytes allocated/freed
*
* @last: Last value from ut_check_free
* Return: free memory delta from @last; positive means more memory has been
* allocated, negative means less has been allocated (i.e. some is freed)
*/
long ut_check_delta(ulong last);
/**
* ut_silence_console() - Silence the console if requested by the user
*
* This stops test output from appear on the console. It is the default on
* sandbox, unless the -v flag is given. For other boards, this does nothing.
*
* @uts: Test state (in case in future we want to keep state here)
*/
void ut_silence_console(struct unit_test_state *uts);
/**
* ut_unsilence_console() - Unsilence the console after a test
*
* This restarts console output again and turns off console recording. This
* happens on all boards, including sandbox.
*/
void ut_unsilence_console(struct unit_test_state *uts);
/**
* ut_set_skip_delays() - Sets whether delays should be skipped
*
* Normally functions like mdelay() cause U-Boot to wait for a while. This
* allows all such delays to be skipped on sandbox, to speed up tests
*
* @uts: Test state (in case in future we want to keep state here)
* @skip_delays: true to skip delays, false to process them normally
*/
void ut_set_skip_delays(struct unit_test_state *uts, bool skip_delays);
/**
* test_get_state() - Get the active test state
*
* Return: the currently active test state, or NULL if none
*/
struct unit_test_state *test_get_state(void);
/**
* test_set_state() - Set the active test state
*
* @uts: Test state to use as currently active test state, or NULL if none
*/
void test_set_state(struct unit_test_state *uts);
/**
* ut_run_tests() - Run a set of tests
*
* This runs the test, handling any preparation and clean-up needed. It prints
* the name of each test before running it.
*
* @category: Category of these tests. This is a string printed at the start to
* announce the the number of tests
* @prefix: String prefix for the tests. Any tests that have this prefix will be
* printed without the prefix, so that it is easier to see the unique part
* of the test name. If NULL, no prefix processing is done
* @tests: List of tests to run
* @count: Number of tests to run
* @select_name: Name of a single test to run (from the list provided). If NULL
* then all tests are run
* @runs_per_test: Number of times to run each test (typically 1)
* @force_run: Run tests that are marked as manual-only (UT_TESTF_MANUAL)
* @test_insert: String describing a test to run after n other tests run, in the
* format n:name where n is the number of tests to run before this one and
* name is the name of the test to run. This is used to find which test causes
* another test to fail. If the one test fails, testing stops immediately.
* Pass NULL to disable this
* Return: 0 if all tests passed, -1 if any failed
*/
int ut_run_list(const char *name, const char *prefix, struct unit_test *tests,
int count, const char *select_name, int runs_per_test,
bool force_run, const char *test_insert);
#endif