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added unit tests for kernel_* functions

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Steffen Vogel 2017-04-02 02:34:14 +02:00
parent c79af3677e
commit 96aa1fd37f
1 changed files with 73 additions and 0 deletions
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tests/unit/kernel.c Normal file
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/** Unit tests for kernel functions.
*
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
*********************************************************************************/
#include <criterion/criterion.h>
#include "kernel/kernel.h"
#include "utils.h"
/* This test is not portable, but we currently support x86 only */
Test(kernel, sizes)
{
int sz;
sz = kernel_get_page_size();
cr_assert_eq(sz, 1 << 12);
sz = kernel_get_hugepage_size();
cr_assert(sz == 1 << 22 || sz == 1 << 21);
sz = kernel_get_cacheline_size();
cr_assert_eq(sz, 64);
}
Test(kernel, hugepages)
{
int ret;
ret = kernel_set_nr_hugepages(25);
cr_assert_eq(ret, 0);
ret = kernel_get_nr_hugepages();
cr_assert_eq(ret, 25);
ret = kernel_set_nr_hugepages(10);
cr_assert_eq(ret, 0);
ret = kernel_get_nr_hugepages();
cr_assert_eq(ret, 10);
}
Test(kernel, version)
{
int ret;
struct version ver;
ret = kernel_get_version(&ver);
cr_assert_eq(ret, 0);
ret = version_cmp(&ver, &(struct version) { 100, 5 });
cr_assert_lt(ret, 0);
ret = version_cmp(&ver, &(struct version) { 2, 6 });
cr_assert_gt(ret, 0);
ret = version_cmp(&ver, &(struct version) { 4, 4 });
cr_assert_eq(ret, 0);
}
Test(kernel, module)
{
int ret;
ret = kernel_module_loaded("nf_nat");
cr_assert_eq(ret, 0);
ret = kernel_module_loaded("does_not_exist");
cr_assert_neq(ret, 0);
}