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https://github.com/Telecominfraproject/OpenCellular.git
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89cae30e57
Added unit test for motion_sense lid angle calculations. Added unit test for math_util arc_cos() function. BUG=none Original-BUG=chrome-os-partner:25640 BRANCH=rambi TEST=make buildall Original-Change-Id: I35debf6fc0e2d9996debc2ede175acaa060df627 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/186720 Reviewed-by: Vic Yang <victoryang@chromium.org> (cherry picked from commit 55c3e8ee14693d6d667b5d21f0dcbb14d185ccbe) Change-Id: I017315128f318424cd3000affae785c69afd29d6 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/187434 Reviewed-by: Randall Spangler <rspangler@chromium.org>
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Test motion sense code.
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*/
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#include <math.h>
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#include "math_util.h"
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#include "motion_sense.h"
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#include "test_util.h"
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/*****************************************************************************/
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/* Mock functions */
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/* Need to define accelerometer init and read functions just to compile. */
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int accel_init(enum accel_id id)
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{
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return EC_SUCCESS;
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}
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int accel_read(enum accel_id id, int *x_acc, int *y_acc, int *z_acc)
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{
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return EC_SUCCESS;
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}
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/*****************************************************************************/
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/* Test utilities */
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/* Macro to compare two floats and check if they are equal within diff. */
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#define IS_FLOAT_EQUAL(a, b, diff) ((a) >= ((b) - diff) && (a) <= ((b) + diff))
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#define ACOS_TOLERANCE_DEG 0.5f
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#define RAD_TO_DEG (180.0f / 3.1415926f)
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static int test_acos(void)
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{
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float a, b;
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float test;
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/* Test a handful of values. */
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for (test = -1.0; test <= 1.0; test += 0.01) {
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a = arc_cos(test);
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b = acos(test) * RAD_TO_DEG;
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TEST_ASSERT(IS_FLOAT_EQUAL(a, b, ACOS_TOLERANCE_DEG));
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}
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return EC_SUCCESS;
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}
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void run_test(void)
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{
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test_reset();
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RUN_TEST(test_acos);
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test_print_result();
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}
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