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tests: clib: Make sure ssize_t type is signed

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Add a test that verifies that ssize_t type is signed which is
expected.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2019-07-08 13:06:47 +03:00
commit 3da2985b28
1 changed files with 12 additions and 0 deletions
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12
tests/lib/c_lib/src/main.c
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@ -20,6 +20,7 @@
#include <ztest.h>
#include <limits.h>
#include <sys/types.h>
#include <stdbool.h>
#include <stddef.h>
#include <zephyr/types.h>
@ -55,6 +56,16 @@ void test_limits(void)
zassert_true((long_max + long_one == LONG_MIN), NULL);
}
static ssize_t foobar(void)
{
return -1;
}
void test_ssize_t(void)
{
zassert_true(foobar() < 0, NULL);
}
/**
*
* @brief Test boolean types and values library
@ -288,6 +299,7 @@ void test_main(void)
{
ztest_test_suite(test_c_lib,
ztest_unit_test(test_limits),
ztest_unit_test(test_ssize_t),
ztest_unit_test(test_stdbool),
ztest_unit_test(test_stddef),
ztest_unit_test(test_stdint),