ResInsight/Fwk/VizFwk/Tests/LibGeometry_UnitTests/cvfBoundingBox-Test.cpp
sigurdp bbebebadd5 Added complete VizFwk
Added the complete VizFwk from the ResInsight branch in Perforce as of
changelist 190.
2013-11-01 08:49:42 +01:00

391 lines
11 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library 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.
//
// This library 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 at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cvfBase.h"
#include "cvfBoundingBox.h"
#include <limits>
#include "gtest/gtest.h"
using namespace cvf;
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, BasicConstruction)
{
BoundingBox bb;
bb.add(Vec3f(10, 20, 30));
EXPECT_EQ(10, bb.min().x());
EXPECT_EQ(20, bb.min().y());
EXPECT_EQ(30, bb.min().z());
EXPECT_EQ(10, bb.max().x());
EXPECT_EQ(20, bb.max().y());
EXPECT_EQ(30, bb.max().z());
bb.add(Vec3f(1, 2, 3));
EXPECT_EQ(1, bb.min().x());
EXPECT_EQ(2, bb.min().y());
EXPECT_EQ(3, bb.min().z());
EXPECT_EQ(10, bb.max().x());
EXPECT_EQ(20, bb.max().y());
EXPECT_EQ(30, bb.max().z());
bb.add(Vec3f(-1, -2, -3));
EXPECT_EQ(-1, bb.min().x());
EXPECT_EQ(-2, bb.min().y());
EXPECT_EQ(-3, bb.min().z());
EXPECT_EQ(10, bb.max().x());
EXPECT_EQ(20, bb.max().y());
EXPECT_EQ(30, bb.max().z());
// Constructor with two input points
Vec3d vec1(-100, -200, -300);
Vec3d vec2(10, 20, 30);
BoundingBox bb2(vec1, vec2);
EXPECT_TRUE(vec1 == bb2.min());
EXPECT_TRUE(vec2 == bb2.max());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, CopyConstructor)
{
{
BoundingBox bb1;
bb1.add(Vec3d::ZERO);
EXPECT_TRUE(bb1.isValid());
EXPECT_DOUBLE_EQ(0, bb1.radius());
BoundingBox bb2(bb1);
EXPECT_TRUE(bb2.isValid());
EXPECT_DOUBLE_EQ(0, bb2.radius());
}
{
const BoundingBox bb1;
EXPECT_FALSE(bb1.isValid());
BoundingBox bb2(bb1);
EXPECT_FALSE(bb2.isValid());
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, Assignment)
{
{
BoundingBox bb1;
bb1.add(Vec3d::ZERO);
EXPECT_TRUE(bb1.isValid());
EXPECT_DOUBLE_EQ(0, bb1.radius());
BoundingBox bb2;
bb2 = bb1;
EXPECT_TRUE(bb2.isValid());
EXPECT_DOUBLE_EQ(0, bb2.radius());
}
{
const BoundingBox bb1;
EXPECT_FALSE(bb1.isValid());
BoundingBox bb2;
bb2 = bb1;
EXPECT_FALSE(bb2.isValid());
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, State)
{
BoundingBox bb;
EXPECT_FALSE(bb.isValid());
bb.add(Vec3f(10, 20, 30));
EXPECT_TRUE(bb.isValid());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, AddBB)
{
BoundingBox bb;
bb.add(Vec3f(10, 20, 30));
bb.add(Vec3f(100, 200, 300));
BoundingBox bb2;
bb2.add(bb);
EXPECT_TRUE(bb.min() == bb2.min());
EXPECT_TRUE(bb.max() == bb2.max());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, AddPoints)
{
Vec3dArray vA;
vA.resize(4);
ASSERT_EQ(4u, vA.size());
vA[0] = Vec3d(1,2,3);
vA[1] = Vec3d(1.1f, 2.2f, 3.3f);
vA[2] = Vec3d(0,0,0);
vA[3] = Vec3d(-4,-5,-6);
BoundingBox bb;
bb.add(vA);
EXPECT_TRUE(bb.min() == vA[3]);
EXPECT_TRUE(bb.max() == vA[1]);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, Computations)
{
BoundingBox bb;
Vec3d v1 = Vec3d(2, 4, 6);
Vec3d v2 = Vec3d(4, 8, 12);
bb.add(v1);
bb.add(v2);
Vec3d expectedCenter(3, 6, 9);
EXPECT_TRUE(expectedCenter == bb.center());
Vec3d expectedExtent = v2 - v1;
EXPECT_TRUE(expectedExtent == bb.extent());
const double expectedRadius = (v1 - v2).length() / 2.0;
EXPECT_EQ(expectedRadius, bb.radius());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
#ifdef _DEBUG
TEST(BoundingBoxDeathTest, AccessInvalidBox)
{
BoundingBox bb;
EXPECT_DEATH(bb.min(), "Assertion");
EXPECT_DEATH(bb.max(), "Assertion");
EXPECT_DEATH(bb.center(), "Assertion");
EXPECT_DEATH(bb.extent(), "Assertion");
EXPECT_DEATH(bb.radius(), "Assertion");
bb.reset();
EXPECT_DEATH(bb.min(), "Assertion");
EXPECT_DEATH(bb.max(), "Assertion");
EXPECT_DEATH(bb.center(), "Assertion");
EXPECT_DEATH(bb.extent(), "Assertion");
EXPECT_DEATH(bb.radius(), "Assertion");
}
#endif
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, ContainsPoint)
{
const BoundingBox bb(Vec3d(1.0, 1.0, 1.0), Vec3d(3.0, 3.0, 3.0));
EXPECT_TRUE(bb.contains(Vec3d(1.0, 1.0, 1.0)));
EXPECT_TRUE(bb.contains(Vec3d(3.0, 3.0, 3.0)));
EXPECT_TRUE(bb.contains(Vec3d(1.0, 2.0, 3.0)));
EXPECT_TRUE(bb.contains(Vec3d(1.1, 2.0, 2.9)));
EXPECT_FALSE(bb.contains(Vec3d( 0.0, 0.0, 0.0)));
EXPECT_FALSE(bb.contains(Vec3d(-1.0, -2.0, -3.0)));
EXPECT_FALSE(bb.contains(Vec3d( 1.0, 2.0, 4.0)));
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, Intersects)
{
const BoundingBox bb0(Vec3d(1.0, 1.0, 1.0), Vec3d(4.0, 4.0, 4.0));
{
BoundingBox bb(Vec3d(2.0, 2.0, 2.0), Vec3d(3.0, 3.0, 3.0));
EXPECT_TRUE(bb0.intersects(bb));
EXPECT_TRUE(bb.intersects(bb0));
}
{
BoundingBox bb(Vec3d(0.0, 0.0, 0.0), Vec3d(1.0, 1.0, 1.0));
EXPECT_TRUE(bb0.intersects(bb));
EXPECT_TRUE(bb.intersects(bb0));
}
{
BoundingBox bb(Vec3d(0.0, 0.0, 0.0), Vec3d(0.5, 0.5, 0.5));
EXPECT_FALSE(bb0.intersects(bb));
EXPECT_FALSE(bb.intersects(bb0));
}
{
BoundingBox bb(Vec3d(5.0, 6.0, 7.0), Vec3d(5.0, 6.0, 7.0));
EXPECT_FALSE(bb0.intersects(bb));
EXPECT_FALSE(bb.intersects(bb0));
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, CornerPoints)
{
const BoundingBox bb(Vec3d(1.0, 2.0, 3.0), Vec3d(4.0, 5.0, 6.0));
// 7---------6
// /| /| |z
// / | / | | / y
// 4---------5 | |/
// | 3------|--2 *---x
// | / | /
// |/ |/
// 0---------1
Vec3d c[8];
bb.cornerVertices(c);
EXPECT_TRUE(Vec3d(1, 2, 3) == c[0]);
EXPECT_TRUE(Vec3d(4, 2, 3) == c[1]);
EXPECT_TRUE(Vec3d(4, 5, 3) == c[2]);
EXPECT_TRUE(Vec3d(1, 5, 3) == c[3]);
EXPECT_TRUE(Vec3d(1, 2, 6) == c[4]);
EXPECT_TRUE(Vec3d(4, 2, 6) == c[5]);
EXPECT_TRUE(Vec3d(4, 5, 6) == c[6]);
EXPECT_TRUE(Vec3d(1, 5, 6) == c[7]);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, Transform)
{
BoundingBox bb;
Vec3d v1 = Vec3d(2, 4, 6);
Vec3d v2 = Vec3d(4, 8, 12);
bb.add(v1);
bb.add(v2);
Mat4d m;
Vec3d t(1,2,3);
m.setTranslation(t);
bb.transform(m);
EXPECT_EQ(3, bb.min().x());
EXPECT_EQ(6, bb.min().y());
EXPECT_EQ(9, bb.min().z());
EXPECT_EQ(5, bb.max().x());
EXPECT_EQ(10, bb.max().y());
EXPECT_EQ(15, bb.max().z());
BoundingBox b2 = bb.getTransformed(m);
EXPECT_EQ(3, bb.min().x());
EXPECT_EQ(6, bb.min().y());
EXPECT_EQ(9, bb.min().z());
EXPECT_EQ(5, bb.max().x());
EXPECT_EQ(10, bb.max().y());
EXPECT_EQ(15, bb.max().z());
EXPECT_EQ(4, b2.min().x());
EXPECT_EQ(8, b2.min().y());
EXPECT_EQ(12, b2.min().z());
EXPECT_EQ(6, b2.max().x());
EXPECT_EQ(12, b2.max().y());
EXPECT_EQ(18, b2.max().z());
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST(BoundingBoxTest, Expand)
{
BoundingBox bb;
Vec3d v1 = Vec3d(1, 2, 3);
Vec3d v2 = Vec3d(3, 6, 9);
bb.add(v1);
bb.add(v2);
Vec3d extent1 = bb.extent();
ASSERT_DOUBLE_EQ(2, extent1.x());
ASSERT_DOUBLE_EQ(4, extent1.y());
ASSERT_DOUBLE_EQ(6, extent1.z());
bb.expand(3);
Vec3d extent2 = bb.extent();
EXPECT_DOUBLE_EQ(5, extent2.x());
EXPECT_DOUBLE_EQ(7, extent2.y());
EXPECT_DOUBLE_EQ(9, extent2.z());
}