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Add unit tests for posix circ_buf unit. Jira NVGPU-4417 Change-Id: Ic0b04961cdd7813aed6f9b16fd0724b0e3cfeb2a Signed-off-by: ajesh <akv@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2287141 Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/*
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* Copyright (c) 2020, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include <stdint.h>
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#include <unit/io.h>
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#include <unit/unit.h>
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#include <nvgpu/circ_buf.h>
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#include "posix-circbuf.h"
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#define BUFFER_SIZE 16UL
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int test_circbufcnt(struct unit_module *m,
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struct gk20a *g, void *args)
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{
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unsigned int i;
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unsigned long head, tail, size, ret;
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head = 0;
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tail = 0;
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size = BUFFER_SIZE;
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for (i = 0; i < BUFFER_SIZE; i++) {
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head = i;
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ret = CIRC_CNT(head, tail, size);
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if (ret != i) {
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unit_return_fail(m, "CIRC_CNT failed %ld\n", ret);
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}
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}
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head = BUFFER_SIZE - 1;
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for (i = 0; i < BUFFER_SIZE; i++) {
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tail = (BUFFER_SIZE - 1) - i;
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ret = CIRC_CNT(head, tail, size);
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if (ret != i) {
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unit_return_fail(m, "CIRC_CNT failed %ld\n", ret);
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}
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}
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head = BUFFER_SIZE/2;
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tail = BUFFER_SIZE/2;
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ret = CIRC_CNT(head, tail, size);
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if (ret) {
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unit_return_fail(m, "CIRC_CNT failed %ld\n", ret);
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}
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return UNIT_SUCCESS;
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}
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int test_circbufspace(struct unit_module *m,
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struct gk20a *g, void *args)
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{
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unsigned int i;
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unsigned long head, tail, size, ret;
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tail = BUFFER_SIZE;
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size = BUFFER_SIZE;
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for (i = 0; i < BUFFER_SIZE; i++) {
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head = i;
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ret = CIRC_SPACE(head, tail, size);
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if (ret != ((BUFFER_SIZE - 1) - i)) {
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unit_return_fail(m, "CIRC_SPACE failed %ld\n", ret);
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}
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}
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return UNIT_SUCCESS;
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}
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struct unit_module_test posix_circbuf_tests[] = {
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UNIT_TEST(circbufcnt, test_circbufcnt, NULL, 0),
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UNIT_TEST(circbufspace, test_circbufspace, NULL, 0),
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};
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UNIT_MODULE(posix_circbuf, posix_circbuf_tests, UNIT_PRIO_POSIX_TEST);
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