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tests: drivers: eeprom: add tests for the EEPROM API

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Add EEPROM API test suite.

The test suite is written to run in userspace but it is currently only
whitelisted for native_posix and native_posix_64 boards which do not
support userspace.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2019-11-07 14:19:08 +01:00 • committed by Anas Nashif
commit 1266860dcf
4 changed files with 129 additions and 0 deletions
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12
tests/drivers/eeprom/CMakeLists.txt Normal file
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#
# Copyright (c) 2019 Vestas Wind Systems A/S
#
# SPDX-License-Identifier: Apache-2.0
#
cmake_minimum_required(VERSION 3.13.1)
include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
project(eeprom_api)
FILE(GLOB app_sources src/*.c)
target_sources(app PRIVATE ${app_sources})

3
tests/drivers/eeprom/prj.conf Normal file
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CONFIG_ZTEST=y
CONFIG_TEST_USERSPACE=y
CONFIG_EEPROM=y

110
tests/drivers/eeprom/src/main.c Normal file
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/*
* Copyright (c) 2019 Vestas Wind Systems A/S
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <ztest.h>
#include <drivers/eeprom.h>
#include <device.h>
static void test_size(void)
{
struct device *eeprom;
size_t size;
eeprom = device_get_binding(DT_ALIAS_EEPROM_0_LABEL);
size = eeprom_get_size(eeprom);
zassert_not_equal(0, size, "Unexpected size of zero bytes");
}
static void test_out_of_bounds(void)
{
const u8_t data[4] = { 0x01, 0x02, 0x03, 0x03 };
struct device *eeprom;
size_t size;
int rc;
eeprom = device_get_binding(DT_ALIAS_EEPROM_0_LABEL);
size = eeprom_get_size(eeprom);
rc = eeprom_write(eeprom, size - 1, data, sizeof(data));
zassert_equal(-EINVAL, rc, "Unexpected error code (%d)", rc);
}
static void test_write_and_verify(void)
{
const u8_t wr_buf1[4] = { 0xFF, 0xEE, 0xDD, 0xCC };
const u8_t wr_buf2[sizeof(wr_buf1)] = { 0xAA, 0xBB, 0xCC, 0xDD };
u8_t rd_buf[sizeof(wr_buf1)];
struct device *eeprom;
int rc;
eeprom = device_get_binding(DT_ALIAS_EEPROM_0_LABEL);
rc = eeprom_write(eeprom, 0, wr_buf1, sizeof(wr_buf1));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = eeprom_read(eeprom, 0, rd_buf, sizeof(rd_buf));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = memcmp(wr_buf1, rd_buf, sizeof(wr_buf1));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = eeprom_write(eeprom, 0, wr_buf2, sizeof(wr_buf2));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = eeprom_read(eeprom, 0, rd_buf, sizeof(rd_buf));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = memcmp(wr_buf2, rd_buf, sizeof(wr_buf2));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
}
static void test_zero_length_write(void)
{
const u8_t wr_buf1[4] = { 0x10, 0x20, 0x30, 0x40 };
const u8_t wr_buf2[sizeof(wr_buf1)] = { 0xAA, 0xBB, 0xCC, 0xDD };
u8_t rd_buf[sizeof(wr_buf1)];
struct device *eeprom;
int rc;
eeprom = device_get_binding(DT_ALIAS_EEPROM_0_LABEL);
rc = eeprom_write(eeprom, 0, wr_buf1, sizeof(wr_buf1));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = eeprom_read(eeprom, 0, rd_buf, sizeof(rd_buf));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = memcmp(wr_buf1, rd_buf, sizeof(wr_buf1));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = eeprom_write(eeprom, 0, wr_buf2, 0);
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = eeprom_read(eeprom, 0, rd_buf, sizeof(rd_buf));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
rc = memcmp(wr_buf1, rd_buf, sizeof(wr_buf1));
zassert_equal(0, rc, "Unexpected error code (%d)", rc);
}
void test_main(void)
{
static struct device *eeprom;
eeprom = device_get_binding(DT_ALIAS_EEPROM_0_LABEL);
zassert_not_null(eeprom, "Unable to get EEPROM device");
k_object_access_grant(eeprom, k_current_get());
ztest_test_suite(eeprom_api,
ztest_user_unit_test(test_size),
ztest_user_unit_test(test_out_of_bounds),
ztest_user_unit_test(test_write_and_verify),
ztest_user_unit_test(test_zero_length_write));
ztest_run_test_suite(eeprom_api);
}

4
tests/drivers/eeprom/testcase.yaml Normal file
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tests:
peripheral.eeprom:
platform_whitelist: native_posix native_posix_64
tags: drivers userspace