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webrtc/modules/audio_processing/beamformer/array_util_unittest.cc
Mirko Bonadei 92ea95e34a Fixing WebRTC after moving from src/webrtc to src/ 
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
2017-09-15 05:02:56 +00:00

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/*
* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// MSVC++ requires this to be set before any other includes to get M_PI.
#define _USE_MATH_DEFINES
#include "modules/audio_processing/beamformer/array_util.h"
#include <math.h>
#include <vector>
#include "test/gtest.h"
namespace webrtc {
bool operator==(const Point& lhs, const Point& rhs) {
return lhs.x() == rhs.x() && lhs.y() == rhs.y() && lhs.z() == rhs.z();
}
TEST(ArrayUtilTest, PairDirection) {
EXPECT_EQ(Point(1.f, 2.f, 3.f),
PairDirection(Point(0.f, 0.f, 0.f), Point(1.f, 2.f, 3.f)));
EXPECT_EQ(Point(-1.f, -2.f, -3.f),
PairDirection(Point(1.f, 2.f, 3.f), Point(0.f, 0.f, 0.f)));
EXPECT_EQ(Point(0.f, 0.f, 0.f),
PairDirection(Point(1.f, 0.f, 0.f), Point(1.f, 0.f, 0.f)));
EXPECT_EQ(Point(-1.f, 2.f, 0.f),
PairDirection(Point(1.f, 0.f, 0.f), Point(0.f, 2.f, 0.f)));
EXPECT_EQ(Point(-4.f, 4.f, -4.f),
PairDirection(Point(1.f, -2.f, 3.f), Point(-3.f, 2.f, -1.f)));
}
TEST(ArrayUtilTest, DotProduct) {
EXPECT_FLOAT_EQ(0.f, DotProduct(Point(0.f, 0.f, 0.f), Point(1.f, 2.f, 3.f)));
EXPECT_FLOAT_EQ(0.f, DotProduct(Point(1.f, 0.f, 2.f), Point(0.f, 3.f, 0.f)));
EXPECT_FLOAT_EQ(0.f, DotProduct(Point(1.f, 1.f, 0.f), Point(1.f, -1.f, 0.f)));
EXPECT_FLOAT_EQ(2.f, DotProduct(Point(1.f, 0.f, 0.f), Point(2.f, 0.f, 0.f)));
EXPECT_FLOAT_EQ(-6.f,
DotProduct(Point(-2.f, 0.f, 0.f), Point(3.f, 0.f, 0.f)));
EXPECT_FLOAT_EQ(-10.f,
DotProduct(Point(1.f, -2.f, 3.f), Point(-3.f, 2.f, -1.f)));
}
TEST(ArrayUtilTest, CrossProduct) {
EXPECT_EQ(Point(0.f, 0.f, 0.f),
CrossProduct(Point(0.f, 0.f, 0.f), Point(1.f, 2.f, 3.f)));
EXPECT_EQ(Point(0.f, 0.f, 1.f),
CrossProduct(Point(1.f, 0.f, 0.f), Point(0.f, 1.f, 0.f)));
EXPECT_EQ(Point(1.f, 0.f, 0.f),
CrossProduct(Point(0.f, 1.f, 0.f), Point(0.f, 0.f, 1.f)));
EXPECT_EQ(Point(0.f, -1.f, 0.f),
CrossProduct(Point(1.f, 0.f, 0.f), Point(0.f, 0.f, 1.f)));
EXPECT_EQ(Point(-4.f, -8.f, -4.f),
CrossProduct(Point(1.f, -2.f, 3.f), Point(-3.f, 2.f, -1.f)));
}
TEST(ArrayUtilTest, AreParallel) {
EXPECT_TRUE(AreParallel(Point(0.f, 0.f, 0.f), Point(1.f, 2.f, 3.f)));
EXPECT_FALSE(AreParallel(Point(1.f, 0.f, 2.f), Point(0.f, 3.f, 0.f)));
EXPECT_FALSE(AreParallel(Point(1.f, 2.f, 0.f), Point(1.f, -0.5f, 0.f)));
EXPECT_FALSE(AreParallel(Point(1.f, -2.f, 3.f), Point(-3.f, 2.f, -1.f)));
EXPECT_TRUE(AreParallel(Point(1.f, 0.f, 0.f), Point(2.f, 0.f, 0.f)));
EXPECT_TRUE(AreParallel(Point(1.f, 2.f, 3.f), Point(-2.f, -4.f, -6.f)));
}
TEST(ArrayUtilTest, ArePerpendicular) {
EXPECT_TRUE(ArePerpendicular(Point(0.f, 0.f, 0.f), Point(1.f, 2.f, 3.f)));
EXPECT_TRUE(ArePerpendicular(Point(1.f, 0.f, 2.f), Point(0.f, 3.f, 0.f)));
EXPECT_TRUE(ArePerpendicular(Point(1.f, 2.f, 0.f), Point(1.f, -0.5f, 0.f)));
EXPECT_FALSE(ArePerpendicular(Point(1.f, -2.f, 3.f), Point(-3.f, 2.f, -1.f)));
EXPECT_FALSE(ArePerpendicular(Point(1.f, 0.f, 0.f), Point(2.f, 0.f, 0.f)));
EXPECT_FALSE(ArePerpendicular(Point(1.f, 2.f, 3.f), Point(-2.f, -4.f, -6.f)));
}
TEST(ArrayUtilTest, GetMinimumSpacing) {
std::vector<Point> geometry;
geometry.push_back(Point(0.f, 0.f, 0.f));
geometry.push_back(Point(0.1f, 0.f, 0.f));
EXPECT_FLOAT_EQ(0.1f, GetMinimumSpacing(geometry));
geometry.push_back(Point(0.f, 0.05f, 0.f));
EXPECT_FLOAT_EQ(0.05f, GetMinimumSpacing(geometry));
geometry.push_back(Point(0.f, 0.f, 0.02f));
EXPECT_FLOAT_EQ(0.02f, GetMinimumSpacing(geometry));
geometry.push_back(Point(-0.003f, -0.004f, 0.02f));
EXPECT_FLOAT_EQ(0.005f, GetMinimumSpacing(geometry));
}
TEST(ArrayUtilTest, GetDirectionIfLinear) {
std::vector<Point> geometry;
geometry.push_back(Point(0.f, 0.f, 0.f));
geometry.push_back(Point(0.1f, 0.f, 0.f));
EXPECT_TRUE(
AreParallel(Point(1.f, 0.f, 0.f), *GetDirectionIfLinear(geometry)));
geometry.push_back(Point(0.15f, 0.f, 0.f));
EXPECT_TRUE(
AreParallel(Point(1.f, 0.f, 0.f), *GetDirectionIfLinear(geometry)));
geometry.push_back(Point(-0.2f, 0.f, 0.f));
EXPECT_TRUE(
AreParallel(Point(1.f, 0.f, 0.f), *GetDirectionIfLinear(geometry)));
geometry.push_back(Point(0.05f, 0.f, 0.f));
EXPECT_TRUE(
AreParallel(Point(1.f, 0.f, 0.f), *GetDirectionIfLinear(geometry)));
geometry.push_back(Point(0.1f, 0.1f, 0.f));
EXPECT_FALSE(GetDirectionIfLinear(geometry));
geometry.push_back(Point(0.f, 0.f, -0.2f));
EXPECT_FALSE(GetDirectionIfLinear(geometry));
}
TEST(ArrayUtilTest, GetNormalIfPlanar) {
std::vector<Point> geometry;
geometry.push_back(Point(0.f, 0.f, 0.f));
geometry.push_back(Point(0.1f, 0.f, 0.f));
EXPECT_FALSE(GetNormalIfPlanar(geometry));
geometry.push_back(Point(0.15f, 0.f, 0.f));
EXPECT_FALSE(GetNormalIfPlanar(geometry));
geometry.push_back(Point(0.1f, 0.2f, 0.f));
EXPECT_TRUE(AreParallel(Point(0.f, 0.f, 1.f), *GetNormalIfPlanar(geometry)));
geometry.push_back(Point(0.f, -0.15f, 0.f));
EXPECT_TRUE(AreParallel(Point(0.f, 0.f, 1.f), *GetNormalIfPlanar(geometry)));
geometry.push_back(Point(0.f, 0.1f, 0.2f));
EXPECT_FALSE(GetNormalIfPlanar(geometry));
geometry.push_back(Point(0.f, 0.f, -0.15f));
EXPECT_FALSE(GetNormalIfPlanar(geometry));
geometry.push_back(Point(0.1f, 0.2f, 0.f));
EXPECT_FALSE(GetNormalIfPlanar(geometry));
}
TEST(ArrayUtilTest, GetArrayNormalIfExists) {
std::vector<Point> geometry;
geometry.push_back(Point(0.f, 0.f, 0.f));
geometry.push_back(Point(0.1f, 0.f, 0.f));
EXPECT_TRUE(
AreParallel(Point(0.f, 1.f, 0.f), *GetArrayNormalIfExists(geometry)));
geometry.push_back(Point(0.15f, 0.f, 0.f));
EXPECT_TRUE(
AreParallel(Point(0.f, 1.f, 0.f), *GetArrayNormalIfExists(geometry)));
geometry.push_back(Point(0.1f, 0.f, 0.2f));
EXPECT_TRUE(
AreParallel(Point(0.f, 1.f, 0.f), *GetArrayNormalIfExists(geometry)));
geometry.push_back(Point(0.f, 0.f, -0.1f));
EXPECT_TRUE(
AreParallel(Point(0.f, 1.f, 0.f), *GetArrayNormalIfExists(geometry)));
geometry.push_back(Point(0.1f, 0.2f, 0.3f));
EXPECT_FALSE(GetArrayNormalIfExists(geometry));
geometry.push_back(Point(0.f, -0.1f, 0.f));
EXPECT_FALSE(GetArrayNormalIfExists(geometry));
geometry.push_back(Point(1.f, 0.f, -0.2f));
EXPECT_FALSE(GetArrayNormalIfExists(geometry));
}
TEST(ArrayUtilTest, DegreesToRadians) {
EXPECT_FLOAT_EQ(0.f, DegreesToRadians(0.f));
EXPECT_FLOAT_EQ(static_cast<float>(M_PI) / 6.f, DegreesToRadians(30.f));
EXPECT_FLOAT_EQ(-static_cast<float>(M_PI) / 4.f, DegreesToRadians(-45.f));
EXPECT_FLOAT_EQ(static_cast<float>(M_PI) / 3.f, DegreesToRadians(60.f));
EXPECT_FLOAT_EQ(-static_cast<float>(M_PI) / 2.f, DegreesToRadians(-90.f));
EXPECT_FLOAT_EQ(2.f * static_cast<float>(M_PI) / 3.f,
DegreesToRadians(120.f));
EXPECT_FLOAT_EQ(-3.f * static_cast<float>(M_PI) / 4.f,
DegreesToRadians(-135.f));
EXPECT_FLOAT_EQ(5.f * static_cast<float>(M_PI) / 6.f,
DegreesToRadians(150.f));
EXPECT_FLOAT_EQ(-static_cast<float>(M_PI), DegreesToRadians(-180.f));
}
TEST(ArrayUtilTest, RadiansToDegrees) {
EXPECT_FLOAT_EQ(0.f, RadiansToDegrees(0.f));
EXPECT_FLOAT_EQ(30.f, RadiansToDegrees(M_PI / 6.f));
EXPECT_FLOAT_EQ(-45.f, RadiansToDegrees(-M_PI / 4.f));
EXPECT_FLOAT_EQ(60.f, RadiansToDegrees(M_PI / 3.f));
EXPECT_FLOAT_EQ(-90.f, RadiansToDegrees(-M_PI / 2.f));
EXPECT_FLOAT_EQ(120.f, RadiansToDegrees(2.f * M_PI / 3.f));
EXPECT_FLOAT_EQ(-135.f, RadiansToDegrees(-3.f * M_PI / 4.f));
EXPECT_FLOAT_EQ(150.f, RadiansToDegrees(5.f * M_PI / 6.f));
EXPECT_FLOAT_EQ(-180.f, RadiansToDegrees(-M_PI));
}
} // namespace webrtc
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