/*************************************************************************
** ColorTest.cpp                                                        **
**                                                                      **
** This file is part of dvisvgm -- the DVI to SVG converter             **
** Copyright (C) 2005-2014 Martin Gieseking <martin.gieseking@uos.de>   **
**                                                                      **
** This program 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 program 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 this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/

#include <gtest/gtest.h>
#include "Color.h"

TEST(ColorTest, construct) {
	Color c1(UInt8(1), UInt8(2), UInt8(3));
	EXPECT_EQ(c1.rgbString(), "#010203");
	Color c2(1.0f/255, 2.0f/255, 3.0f/255);
	EXPECT_EQ(c2.rgbString(), "#010203");
	Color c3 = "Blue";
	EXPECT_EQ(c3.rgbString(), "#0000ff");
	Color c4 = "blue";
	EXPECT_EQ(c4.rgbString(), "#0000ff");
}


TEST(ColorTest, gray) {
	Color c;
	c.setGray(10.0f/255);
	EXPECT_EQ(c.rgbString(), "#0a0a0a");
	c.setGray(UInt8(15));
	EXPECT_EQ(c.rgbString(), "#0f0f0f");
}


TEST(ColorTest, hsb) {
	Color c;
	c.setHSB(0.0f, 1.0f, 1.0f);
	EXPECT_EQ(c.rgbString(), "#ff0000");
	c.setHSB(120.0f/360, 1.0f, 1.0f);
	EXPECT_EQ(c.rgbString(), "#00ff00");
	c.setHSB(20.0f/360, 0.75f, 0.8f);
	EXPECT_EQ(c.rgbString(), "#cc6633");
}


TEST(ColorTest, cmyk) {
	Color c;
	c.setCMYK(0.5f, 0.4f, 0.6f, 0.2f);
	EXPECT_EQ(c.rgbString(), "#4d6633");
}


TEST(ColorTest, name) {
	Color c;
	EXPECT_TRUE(c.set("Magenta"));
	EXPECT_EQ(c.rgbString(), "#ff00ff");
	EXPECT_FALSE(c.set("mulberry"));
	EXPECT_TRUE(c.set("mulberry", false));
	EXPECT_EQ(c.rgbString(), "#a314f9");

	EXPECT_FALSE(c.set("#Magenta"));
	EXPECT_FALSE(c.set("#bcdefg"));
	EXPECT_TRUE(c.set("#abcdef"));
	EXPECT_EQ(c.rgbString(), "#abcdef");
	EXPECT_TRUE(c.set("#89A"));
	EXPECT_EQ(c.rgbString(), "#00089a");
}