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![Simon Glass](/assets/img/avatar_default.png)
The malloc() implementations provides a way of finding out the approximate amount of memory that is allocated. Add helper functions to make it easier to access this and see changes over time. This is useful for tests that want to check if memory has been allocated or freed. Signed-off-by: Simon Glass <sjg@chromium.org>
169 lines
4.6 KiB
C
169 lines
4.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Simple unit test library
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*
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* Copyright (c) 2013 Google, Inc
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*/
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#ifndef __TEST_UT_H
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#define __TEST_UT_H
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#include <linux/err.h>
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struct unit_test_state;
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/**
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* ut_fail() - Record failure of a unit test
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*
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* @uts: Test state
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* @fname: Filename where the error occurred
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* @line: Line number where the error occurred
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* @func: Function name where the error occurred
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* @cond: The condition that failed
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*/
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void ut_fail(struct unit_test_state *uts, const char *fname, int line,
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const char *func, const char *cond);
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/**
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* ut_failf() - Record failure of a unit test
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*
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* @uts: Test state
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* @fname: Filename where the error occurred
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* @line: Line number where the error occurred
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* @func: Function name where the error occurred
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* @cond: The condition that failed
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* @fmt: printf() format string for the error, followed by args
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*/
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void ut_failf(struct unit_test_state *uts, const char *fname, int line,
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const char *func, const char *cond, const char *fmt, ...)
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__attribute__ ((format (__printf__, 6, 7)));
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/* Assert that a condition is non-zero */
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#define ut_assert(cond) \
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if (!(cond)) { \
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ut_fail(uts, __FILE__, __LINE__, __func__, #cond); \
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return CMD_RET_FAILURE; \
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}
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/* Assert that a condition is non-zero, with printf() string */
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#define ut_assertf(cond, fmt, args...) \
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if (!(cond)) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, #cond, \
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fmt, ##args); \
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return CMD_RET_FAILURE; \
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}
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/* Assert that two int expressions are equal */
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#define ut_asserteq(expr1, expr2) { \
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unsigned int val1 = (expr1), val2 = (expr2); \
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\
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if (val1 != val2) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr1 " == " #expr2, \
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"Expected %#x (%d), got %#x (%d)", val1, val1, \
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val2, val2); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that two string expressions are equal */
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#define ut_asserteq_str(expr1, expr2) { \
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const char *val1 = (expr1), *val2 = (expr2); \
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\
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if (strcmp(val1, val2)) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr1 " = " #expr2, \
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"Expected \"%s\", got \"%s\"", val1, val2); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that two memory areas are equal */
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#define ut_asserteq_mem(expr1, expr2, len) { \
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const u8 *val1 = (u8 *)(expr1), *val2 = (u8 *)(expr2); \
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const uint __len = len; \
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\
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if (memcmp(val1, val2, __len)) { \
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char __buf1[64 + 1] = "\0"; \
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char __buf2[64 + 1] = "\0"; \
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bin2hex(__buf1, val1, min(__len, (uint)32)); \
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bin2hex(__buf2, val2, min(__len, (uint)32)); \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr1 " = " #expr2, \
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"Expected \"%s\", got \"%s\"", \
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__buf1, __buf2); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that two pointers are equal */
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#define ut_asserteq_ptr(expr1, expr2) { \
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const void *val1 = (expr1), *val2 = (expr2); \
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\
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if (val1 != val2) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr1 " = " #expr2, \
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"Expected %p, got %p", val1, val2); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that a pointer is NULL */
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#define ut_assertnull(expr) { \
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const void *val = (expr); \
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\
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if (val != NULL) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr " != NULL", \
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"Expected NULL, got %p", val); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that a pointer is not NULL */
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#define ut_assertnonnull(expr) { \
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const void *val = (expr); \
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\
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if (val == NULL) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr " = NULL", \
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"Expected non-null, got NULL"); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that a pointer is not an error pointer */
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#define ut_assertok_ptr(expr) { \
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const void *val = (expr); \
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\
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if (IS_ERR(val)) { \
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ut_failf(uts, __FILE__, __LINE__, __func__, \
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#expr " = NULL", \
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"Expected pointer, got error %ld", \
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PTR_ERR(val)); \
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return CMD_RET_FAILURE; \
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} \
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}
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/* Assert that an operation succeeds (returns 0) */
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#define ut_assertok(cond) ut_asserteq(0, cond)
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/**
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* ut_check_free() - Return the number of bytes free in the malloc() pool
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*
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* @return bytes free
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*/
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ulong ut_check_free(void);
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/**
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* ut_check_delta() - Return the number of bytes allocated/freed
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*
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* @last: Last value from ut_check_free
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* @return free memory delta from @last; positive means more memory has been
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* allocated, negative means less has been allocated (i.e. some is freed)
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*/
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long ut_check_delta(ulong last);
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#endif
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