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/* xoreos - A reimplementation of BioWare's Aurora engine | ||
* | ||
* xoreos is the legal property of its developers, whose names | ||
* can be found in the AUTHORS file distributed with this source | ||
* distribution. | ||
* | ||
* xoreos is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License | ||
* as published by the Free Software Foundation; either version 3 | ||
* of the License, or (at your option) any later version. | ||
* | ||
* xoreos is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with xoreos. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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/** @file | ||
* Unit tests for the Vector3 class. | ||
*/ | ||
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#include "gtest/gtest.h" | ||
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#include "src/common/vector3.h" | ||
#include "src/common/maths.h" | ||
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GTEST_TEST(Vector3, constructorFloats) { | ||
const Common::Vector3 v(1.0f, 2.0f, 3.0f); | ||
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EXPECT_EQ(v._x, 1.0f); | ||
EXPECT_EQ(v._y, 2.0f); | ||
EXPECT_EQ(v._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, constructorFloatArray) { | ||
static const float kFloats[3] = { 1.0f, 2.0f, 3.0f }; | ||
const Common::Vector3 v(kFloats); | ||
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EXPECT_EQ(v._x, 1.0f); | ||
EXPECT_EQ(v._y, 2.0f); | ||
EXPECT_EQ(v._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, constructorCopy) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
const Common::Vector3 v2(v1); | ||
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EXPECT_EQ(v2._x, 1.0f); | ||
EXPECT_EQ(v2._y, 2.0f); | ||
EXPECT_EQ(v2._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorArrayRead) { | ||
const Common::Vector3 v(1.0f, 2.0f, 3.0f); | ||
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EXPECT_EQ(v[0], 1.0f); | ||
EXPECT_EQ(v[1], 2.0f); | ||
EXPECT_EQ(v[2], 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorArrayWrite) { | ||
Common::Vector3 v(1.0f, 2.0f, 3.0f); | ||
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v[0] = 4.0f; | ||
v[1] = 5.0f; | ||
v[2] = 6.0f; | ||
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EXPECT_EQ(v._x, 4.0f); | ||
EXPECT_EQ(v._y, 5.0f); | ||
EXPECT_EQ(v._z, 6.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorAssign) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
Common::Vector3 v2(4.0f, 5.0f, 6.0f); | ||
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v2 = v1; | ||
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EXPECT_EQ(v2._x, 1.0f); | ||
EXPECT_EQ(v2._y, 2.0f); | ||
EXPECT_EQ(v2._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorAdd) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
Common::Vector3 v2(4.0f, 5.0f, 6.0f); | ||
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v2 += v1; | ||
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EXPECT_EQ(v2._x, 5.0f); | ||
EXPECT_EQ(v2._y, 7.0f); | ||
EXPECT_EQ(v2._z, 9.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorSubtract) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
Common::Vector3 v2(4.0f, 5.0f, 6.0f); | ||
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v2 -= v1; | ||
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EXPECT_EQ(v2._x, 3.0f); | ||
EXPECT_EQ(v2._y, 3.0f); | ||
EXPECT_EQ(v2._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorMultiply) { | ||
Common::Vector3 v(1.0f, 2.0f, 3.0f); | ||
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v *= 2.0f; | ||
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EXPECT_EQ(v._x, 2.0f); | ||
EXPECT_EQ(v._y, 4.0f); | ||
EXPECT_EQ(v._z, 6.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorDivide) { | ||
Common::Vector3 v(2.0f, 4.0f, 6.0f); | ||
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v /= 2.0f; | ||
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EXPECT_EQ(v._x, 1.0f); | ||
EXPECT_EQ(v._y, 2.0f); | ||
EXPECT_EQ(v._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, multiply) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
Common::Vector3 v2(4.0f, 5.0f, 6.0f); | ||
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v2.multiply(v1); | ||
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EXPECT_EQ(v2._x, 4.0f); | ||
EXPECT_EQ(v2._y, 10.0f); | ||
EXPECT_EQ(v2._z, 18.0f); | ||
} | ||
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GTEST_TEST(Vector3, divide) { | ||
const Common::Vector3 v1(2.0f, 3.0f, 4.0f); | ||
Common::Vector3 v2(4.0f, 9.0f, 16.0f); | ||
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v2.divide(v1); | ||
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EXPECT_EQ(v2._x, 2.0f); | ||
EXPECT_EQ(v2._y, 3.0f); | ||
EXPECT_EQ(v2._z, 4.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorAddConst) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
const Common::Vector3 v2(4.0f, 5.0f, 6.0f); | ||
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const Common::Vector3 v3 = v2 + v1; | ||
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EXPECT_EQ(v3._x, 5.0f); | ||
EXPECT_EQ(v3._y, 7.0f); | ||
EXPECT_EQ(v3._z, 9.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorSubtractConst) { | ||
const Common::Vector3 v1(1.0f, 2.0f, 3.0f); | ||
const Common::Vector3 v2(4.0f, 5.0f, 6.0f); | ||
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const Common::Vector3 v3 = v2 - v1; | ||
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EXPECT_EQ(v3._x, 3.0f); | ||
EXPECT_EQ(v3._y, 3.0f); | ||
EXPECT_EQ(v3._z, 3.0f); | ||
} | ||
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GTEST_TEST(Vector3, operatorMultiplyConstFloat) { | ||
const Common::Vector3 v1(1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v2(0.0f, 1.0f, 0.0f); | ||
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const Common::Vector3 v3 = v1 * v2; | ||
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EXPECT_FLOAT_EQ(v3._x, 0.0f); | ||
EXPECT_FLOAT_EQ(v3._y, 0.0f); | ||
EXPECT_FLOAT_EQ(v3._z, 1.0f); | ||
} | ||
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GTEST_TEST(Vector3, cross) { | ||
const Common::Vector3 v1(1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v2(0.0f, 1.0f, 0.0f); | ||
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const Common::Vector3 v3 = v1.cross(v2); | ||
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EXPECT_FLOAT_EQ(v3._x, 0.0f); | ||
EXPECT_FLOAT_EQ(v3._y, 0.0f); | ||
EXPECT_FLOAT_EQ(v3._z, 1.0f); | ||
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const Common::Vector3 v4 = v2.cross(v1); | ||
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EXPECT_FLOAT_EQ(v4._x, 0.0f); | ||
EXPECT_FLOAT_EQ(v4._y, 0.0f); | ||
EXPECT_FLOAT_EQ(v4._z, -1.0f); | ||
} | ||
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GTEST_TEST(Vector3, dot) { | ||
const Common::Vector3 v1(1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v2(0.0f, 1.0f, 0.0f); | ||
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EXPECT_FLOAT_EQ(v1.dot(v2), 0.0f); | ||
EXPECT_FLOAT_EQ(v2.dot(v1), 0.0f); | ||
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const Common::Vector3 v3( 1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v4(-1.0f, 0.0f, 0.0f); | ||
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EXPECT_FLOAT_EQ(v3.dot(v4), -1.0f); | ||
EXPECT_FLOAT_EQ(v4.dot(v3), -1.0f); | ||
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const Common::Vector3 v5( 1.0f, 2.0f, 3.0f); | ||
const Common::Vector3 v6( 4.0f,-5.0f, 6.0f); | ||
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EXPECT_FLOAT_EQ(v5.dot(v6), 12.0f); | ||
EXPECT_FLOAT_EQ(v6.dot(v5), 12.0f); | ||
} | ||
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GTEST_TEST(Vector3, length) { | ||
const Common::Vector3 v1(1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v2(0.0f, 1.0f, 0.0f); | ||
const Common::Vector3 v3(0.0f, 0.0f, 1.0f); | ||
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EXPECT_FLOAT_EQ(v1.length(), 1.0f); | ||
EXPECT_FLOAT_EQ(v2.length(), 1.0f); | ||
EXPECT_FLOAT_EQ(v3.length(), 1.0f); | ||
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const Common::Vector3 v4(1.0f, 1.0f, 1.0f); | ||
EXPECT_FLOAT_EQ(v4.length(), std::sqrt(3.0f)); | ||
} | ||
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GTEST_TEST(Vector3, norm) { | ||
Common::Vector3 v1(1.0f, 0.0f, 0.0f); | ||
v1.norm(); | ||
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EXPECT_FLOAT_EQ(v1._x, 1.0f); | ||
EXPECT_FLOAT_EQ(v1._y, 0.0f); | ||
EXPECT_FLOAT_EQ(v1._z, 0.0f); | ||
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Common::Vector3 v2(0.0f, 1.0f, 0.0f); | ||
v2.norm(); | ||
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EXPECT_FLOAT_EQ(v2._x, 0.0f); | ||
EXPECT_FLOAT_EQ(v2._y, 1.0f); | ||
EXPECT_FLOAT_EQ(v2._z, 0.0f); | ||
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Common::Vector3 v3(0.0f, 0.0f, 1.0f); | ||
v3.norm(); | ||
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EXPECT_FLOAT_EQ(v3._x, 0.0f); | ||
EXPECT_FLOAT_EQ(v3._y, 0.0f); | ||
EXPECT_FLOAT_EQ(v3._z, 1.0f); | ||
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Common::Vector3 v4(1.0f, 1.0f, 1.0f); | ||
v4.norm(); | ||
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EXPECT_FLOAT_EQ(v4._x, 1.0f / std::sqrt(3)); | ||
EXPECT_FLOAT_EQ(v4._y, 1.0f / std::sqrt(3)); | ||
EXPECT_FLOAT_EQ(v4._z, 1.0f / std::sqrt(3)); | ||
} | ||
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GTEST_TEST(Vector3, angle) { | ||
const Common::Vector3 v1(1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v2(0.0f, 1.0f, 0.0f); | ||
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EXPECT_FLOAT_EQ(v1.angle(v2), 90.0f * M_PI / 180.0f); | ||
EXPECT_FLOAT_EQ(v2.angle(v1), 90.0f * M_PI / 180.0f); | ||
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const Common::Vector3 v3(1.0f, 0.0f, 0.0f); | ||
const Common::Vector3 v4(1.0f, std::sqrt(3.0f), 0.0f); | ||
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EXPECT_FLOAT_EQ(v3.angle(v4), 60.0f * M_PI / 180.0f); | ||
EXPECT_FLOAT_EQ(v4.angle(v3), 60.0f * M_PI / 180.0f); | ||
} |