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