sof/test/cmocka/src/audio/buffer/buffer_write.c at c2ce371ea612bf15da29a175eada31022d2c3b39 · kv2019i/sof · GitHub

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// SPDX-License-Identifier: BSD-3-Clause
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Author: Slawomir Blauciak <slawomir.blauciak@linux.intel.com>

#include <sof/audio/component.h>
#include <sof/audio/buffer.h>
#include <sof/ipc/driver.h>
#include <sof/ipc/msg.h>
#include <sof/ipc/topology.h>
#include <sof/ipc/schedule.h>

#include <stdio.h>
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <math.h>
#include <stdint.h>
#include <cmocka.h>

static void test_audio_buffer_write_10_bytes_out_of_256_and_read_back
	(void **state)
{
	(void)state;

	struct sof_ipc_buffer test_buf_desc = {
		.size = 256
	};

	struct comp_buffer *buf = buffer_new(&test_buf_desc, BUFFER_USAGE_NOT_SHARED);

	assert_non_null(buf);
	assert_int_equal(audio_stream_get_avail_bytes(&buf->stream), 0);
	assert_int_equal(audio_stream_get_free_bytes(&buf->stream), 256);
	assert_ptr_equal(buf->stream.w_ptr, buf->stream.r_ptr);

	uint8_t bytes[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};

	memcpy_s(buf->stream.w_ptr, test_buf_desc.size, &bytes, 10);
	comp_update_buffer_produce(buf, 10);

	assert_int_equal(audio_stream_get_avail_bytes(&buf->stream), 10);
	assert_int_equal(audio_stream_get_free_bytes(&buf->stream), 246);
	assert_ptr_equal(buf->stream.w_ptr, (char *)buf->stream.r_ptr + 10);

	assert_int_equal(memcmp(buf->stream.r_ptr, &bytes, 10), 0);

	comp_update_buffer_consume(buf, 10);

	assert_int_equal(audio_stream_get_avail_bytes(&buf->stream), 0);
	assert_int_equal(audio_stream_get_free_bytes(&buf->stream), 256);
	assert_ptr_equal(buf->stream.w_ptr, buf->stream.r_ptr);

	buffer_free(buf);
}

static void test_audio_buffer_fill_10_bytes(void **state)
{
	(void)state;

	struct sof_ipc_buffer test_buf_desc = {
		.size = 10
	};

	struct comp_buffer *buf = buffer_new(&test_buf_desc, BUFFER_USAGE_NOT_SHARED);

	assert_non_null(buf);
	assert_int_equal(audio_stream_get_avail_bytes(&buf->stream), 0);
	assert_int_equal(audio_stream_get_free_bytes(&buf->stream), 10);
	assert_ptr_equal(buf->stream.w_ptr, buf->stream.r_ptr);

	uint8_t bytes[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};

	memcpy_s(buf->stream.w_ptr, test_buf_desc.size, &bytes, 10);
	comp_update_buffer_produce(buf, 10);

	assert_int_equal(audio_stream_get_avail_bytes(&buf->stream), 10);
	assert_int_equal(audio_stream_get_free_bytes(&buf->stream), 0);
	assert_ptr_equal(buf->stream.w_ptr, buf->stream.r_ptr);

	buffer_free(buf);
}

int main(void)
{
	const struct CMUnitTest tests[] = {
		cmocka_unit_test
			(test_audio_buffer_write_10_bytes_out_of_256_and_read_back),
		cmocka_unit_test(test_audio_buffer_fill_10_bytes)
	};

	cmocka_set_message_output(CM_OUTPUT_TAP);

	return cmocka_run_group_tests(tests, NULL, NULL);
}