FasTC/Base/test/TestColor.cpp
Pavel Krajcevski 2159a6688a Add colors.
2013-10-08 15:07:43 -04:00

98 lines
3.5 KiB
C++

/* FasTC
* Copyright (c) 2013 University of North Carolina at Chapel Hill.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for educational, research, and non-profit purposes, without
* fee, and without a written agreement is hereby granted, provided that the
* above copyright notice, this paragraph, and the following four paragraphs
* appear in all copies.
*
* Permission to incorporate this software into commercial products may be
* obtained by contacting the authors or the Office of Technology Development
* at the University of North Carolina at Chapel Hill <otd@unc.edu>.
*
* This software program and documentation are copyrighted by the University of
* North Carolina at Chapel Hill. The software program and documentation are
* supplied "as is," without any accompanying services from the University of
* North Carolina at Chapel Hill or the authors. The University of North
* Carolina at Chapel Hill and the authors do not warrant that the operation of
* the program will be uninterrupted or error-free. The end-user understands
* that the program was developed for research purposes and is advised not to
* rely exclusively on the program for any reason.
*
* IN NO EVENT SHALL THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL OR THE
* AUTHORS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL,
* OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF
* THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF NORTH CAROLINA
* AT CHAPEL HILL OR THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND THE AUTHORS SPECIFICALLY
* DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY
* STATUTORY WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE PROVIDED HEREUNDER IS ON
* AN "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL AND
* THE AUTHORS HAVE NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS.
*
* Please send all BUG REPORTS to <pavel@cs.unc.edu>.
*
* The authors may be contacted via:
*
* Pavel Krajcevski
* Dept of Computer Science
* 201 S Columbia St
* Frederick P. Brooks, Jr. Computer Science Bldg
* Chapel Hill, NC 27599-3175
* USA
*
* <http://gamma.cs.unc.edu/FasTC/>
*/
#include "gtest/gtest.h"
#include "Color.h"
static const float kEpsilon = 1e-6;
TEST(Color, DefaultConstructor) {
FasTC::Color c;
EXPECT_EQ(c.R(), 0.0f);
EXPECT_EQ(c.G(), 0.0f);
EXPECT_EQ(c.B(), 0.0f);
EXPECT_EQ(c.A(), 0.0f);
}
TEST(Color, AssignmentConstructor) {
FasTC::Color c(1.0f, 0.0f, 3.0f, -1.0f);
EXPECT_EQ(c.R(), 1.0f);
EXPECT_EQ(c.G(), 0.0f);
EXPECT_EQ(c.B(), 3.0f);
EXPECT_EQ(c.A(), -1.0f);
}
TEST(Color, VectorOperators) {
FasTC::Color a(0.1, 0.2, 0.3, 0.4);
FasTC::Color b(0.2, 0.3, 0.4, 0.5);
FasTC::Color c = a + b;
EXPECT_NEAR(c.R(), 0.3, kEpsilon);
EXPECT_NEAR(c.G(), 0.5, kEpsilon);
EXPECT_NEAR(c.B(), 0.7, kEpsilon);
EXPECT_NEAR(c.A(), 0.9, kEpsilon);
FasTC::Color d = a - b;
EXPECT_NEAR(d.R(), -0.1, kEpsilon);
EXPECT_NEAR(d.G(), -0.1, kEpsilon);
EXPECT_NEAR(d.B(), -0.1, kEpsilon);
EXPECT_NEAR(d.A(), -0.1, kEpsilon);
}
TEST(Color, EqualityComparison) {
FasTC::Color a(0.1, 0.2, 0.3, 0.4);
FasTC::Color b(0.2, 0.3, 0.4, 0.5);
EXPECT_TRUE(a == a && b == b);
EXPECT_FALSE(a == b && b == a);
}