/************************************************************************* ** MatrixTest.cpp ** ** ** ** This file is part of dvisvgm -- the DVI to SVG converter ** ** Copyright (C) 2005-2011 Martin Gieseking ** ** ** ** 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 . ** *************************************************************************/ #include #include #include "Matrix.h" using std::ostringstream; TEST(MatrixTest, svg) { double v1[] = {1,2,3,4,5,6,7,8,9}; Matrix m1(v1); ostringstream oss; m1.write(oss); EXPECT_EQ(oss.str(), "((1,2,3),(4,5,6),(7,8,9))"); EXPECT_EQ(m1.getSVG(), "matrix(1 4 2 5 3 6)"); double v2[] = {1,2}; Matrix m2(v2, 2); oss.str(""); m2.write(oss); EXPECT_EQ(oss.str(), "((1,2,0),(0,1,0),(0,0,1))"); EXPECT_EQ(m2.getSVG(), "matrix(1 0 2 1 0 0)"); } TEST(MatrixTest, transpose) { double v[] = {1,2,3,4,5,6,7,8,9}; Matrix m(v); m.transpose(); ostringstream oss; m.write(oss); EXPECT_EQ(oss.str(), "((1,4,7),(2,5,8),(3,6,9))"); EXPECT_EQ(m.getSVG(), "matrix(1 2 4 5 7 8)"); } TEST(MatrixTest, checks) { Matrix m(1); EXPECT_TRUE(m.isIdentity()); double tx, ty; EXPECT_TRUE(m.isTranslation(tx, ty)); EXPECT_EQ(tx, 0); EXPECT_EQ(ty, 0); m.translate(1,2); EXPECT_TRUE(m.isTranslation(tx, ty)); EXPECT_EQ(tx, 1); EXPECT_EQ(ty, 2); m.scale(2, 2); EXPECT_FALSE(m.isTranslation(tx, ty)); }