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test: Add a macro to check that a value is not an error pointer

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Some functions can return ERR_PTR(errval). Add a unit test macro to check
that no error is returned in a pointer.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-07-06 12:54:37 -06:00
parent 0503e8207c
commit 85aeda4a62
1 changed files with 15 additions and 0 deletions
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15
include/test/ut.h
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@ -9,6 +9,8 @@
#ifndef __TEST_UT_H
#define __TEST_UT_H
#include <linux/err.h>
struct unit_test_state;
/**
@ -101,6 +103,19 @@ void ut_failf(struct unit_test_state *uts, const char *fname, int line,
} \
}
/* Assert that a pointer is not an error pointer */
#define ut_assertok_ptr(expr) { \
const void *val = (expr); \
\
if (IS_ERR(val)) { \
ut_failf(uts, __FILE__, __LINE__, __func__, \
#expr " = NULL", \
"Expected pointer, got error %ld", \
PTR_ERR(val)); \
return CMD_RET_FAILURE; \
} \
}
/* Assert that an operation succeeds (returns 0) */
#define ut_assertok(cond) ut_asserteq(0, cond)