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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/tests/MatrixTest.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/tests/MatrixTest.cpp | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/tests/MatrixTest.cpp b/Build/source/texk/dvisvgm/dvisvgm-src/tests/MatrixTest.cpp deleted file mode 100644 index 8c7cb421ab1..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/tests/MatrixTest.cpp +++ /dev/null @@ -1,279 +0,0 @@ -/************************************************************************* -** MatrixTest.cpp ** -** ** -** This file is part of dvisvgm -- a fast DVI to SVG converter ** -** Copyright (C) 2005-2021 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 <sstream> -#include <vector> -#include <XMLString.hpp> -#include "Calculator.hpp" -#include "Matrix.hpp" - -using namespace std; - - -TEST(MatrixTest, construct1) { - const vector<double> vec{1, 2, 3, 4, 5, 6, 7, 8, 9}; - Matrix m1(vec); - for (int row=0; row < 3; row++) - for (int col=0; col < 3; col++) - ASSERT_EQ(m1.get(row, col), vec[row*3+col]) << "row=" << row << ", col=" << col; - - int startIndex=4; - Matrix m2(vec, startIndex); - for (int row=0; row < 3; row++) { - for (int col=0; col < 3; col++) { - int index = row*3+col+startIndex; - ASSERT_EQ(m2.get(row, col), index < 9 ? vec[index] : (row == col ? 1 : 0)) << "row=" << row << ", col=" << col; - } - } - EXPECT_TRUE(Matrix(1).isIdentity()); -} - - -TEST(MatrixTest, construct2) { - Matrix m1 = {1, 2, 3, 4, 5, 6, 7, 8, 9}; - for (int row=0; row < 3; row++) - for (int col=0; col < 3; col++) - ASSERT_EQ(m1.get(row, col), 3*row+col+1) << "row=" << row << ", col=" << col; - - Matrix m2 = {1, 2, 3, 4, 5, 6}; - for (int row=0; row < 2; row++) - for (int col=0; col < 3; col++) - ASSERT_EQ(m2.get(row, col), 3*row+col+1) << "row=" << row << ", col=" << col; - ASSERT_EQ(m2.get(2, 0), 0); - ASSERT_EQ(m2.get(2, 1), 0); - ASSERT_EQ(m2.get(2, 2), 1); -} - - -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.toSVG(), "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.toSVG(), "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.toSVG(), "matrix(1 2 4 5 7 8)"); -} - - -TEST(MatrixTest, scale) { - ScalingMatrix m(2,2); - DPair p = m*DPair(3,3); - EXPECT_DOUBLE_EQ(p.x(), 6); - EXPECT_DOUBLE_EQ(p.y(), 6); - - m = ScalingMatrix(-2,-2); - p = m*DPair(3,3); - EXPECT_DOUBLE_EQ(p.x(), -6); - EXPECT_DOUBLE_EQ(p.y(), -6); -} - - -TEST(MatrixTest, rotate) { - RotationMatrix m(90); - DPair p = m*DPair(2,0); - EXPECT_NEAR(p.x(), 0, 0.0000000001); - EXPECT_NEAR(p.y(), 2, 0.0000000001); - - p = m*p; - EXPECT_NEAR(p.x(), -2, 0.0000000001); - EXPECT_NEAR(p.y(), 0, 0.0000000001); -} - - -TEST(MatrixTest, isTranslation) { - 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)); -} - - -TEST(MatrixTest, rmultiply) { - const Matrix m1({1, 2, 3, 4, 5, 6, 7, 8, 9}); - const Matrix m2({9, 8, 7, 6, 5, 4, 3, 2, 1}); - EXPECT_NE(m1, m2); - Matrix m3; - EXPECT_EQ((m3 = m1).rmultiply(m2), Matrix({30, 24, 18, 84, 69, 54, 138, 114, 90})); - EXPECT_EQ((m3 = m2).rmultiply(m1), Matrix({90, 114, 138, 54, 69, 84, 18, 24, 30})); - EXPECT_EQ((m3 = m1).rmultiply(Matrix(1)), m1); -} - - -TEST(MatrixTest, lmultiply) { - const Matrix m1({1, 2, 3, 4, 5, 6, 7, 8, 9}); - const Matrix m2({9, 8, 7, 6, 5, 4, 3, 2, 1}); - EXPECT_NE(m1, m2); - Matrix m3; - EXPECT_EQ((m3 = m1).lmultiply(m2), Matrix({90, 114, 138, 54, 69, 84, 18, 24, 30})); - EXPECT_EQ((m3 = m2).lmultiply(m1), Matrix({30, 24, 18, 84, 69, 54, 138, 114, 90})); - EXPECT_EQ((m3 = m1).lmultiply(Matrix(1)), m1); -} - - -TEST(MatrixTest, vec) { - vector<double> v; - for (int i=1; i <= 15; ++i) - v.push_back(i); - Matrix m(v); - ostringstream oss; - m.write(oss); - EXPECT_EQ(oss.str(), "((1,2,3),(4,5,6),(7,8,9))"); - oss.str(""); - - m.set(v, 2); - m.write(oss); - EXPECT_EQ(oss.str(), "((3,4,5),(6,7,8),(9,10,11))"); -} - - -TEST(MatrixTest, det) { - Matrix m1(1); - EXPECT_EQ(det(m1), 1); - - double v2[] = {1,2,3, 4,5,6, 7,8,9}; - Matrix m2(v2); - EXPECT_EQ(det(m2), 1*5*9 + 2*6*7 + 3*4*8 - 3*5*7 - 2*4*9 - 1*6*8); - - EXPECT_EQ(det(m2, 0, 0), 5*9-6*8); - EXPECT_EQ(det(m2, 0, 1), 4*9-6*7); - EXPECT_EQ(det(m2, 0, 2), 4*8-5*7); - EXPECT_EQ(det(m2, 1, 0), 2*9-3*8); - - double v3[] = {1,1,1, 2,2,2, 3,3,3}; - Matrix m3(v3); - EXPECT_EQ(det(m2), 0); - m3.transpose(); - EXPECT_EQ(det(m2), 0); -} - - -TEST(MatrixTest, invert) { - Matrix m1(1); - EXPECT_EQ(m1.invert(), m1); - - double v2[] = {1,2,3, 2,3,1, 3,1,2}; - Matrix m2(v2); - EXPECT_EQ(det(m2), -18); - - double v3[] = {5,-1,-7, -1,-7,5, -7,5,-1}; - Matrix m3(v3); - - m3 *= 1.0/det(m2); - m2.invert(); - for (int i=0; i < 3; ++i) - for (int j=0; j < 3; ++j) - EXPECT_DOUBLE_EQ(m2.get(i,j), m3.get(i,j)); - Matrix m4{0}; - EXPECT_THROW(m4.invert(), exception); -} - - -TEST(MatrixTest, parse) { - Calculator calc; - calc.setVariable("ux", 0); - calc.setVariable("uy", 0); - calc.setVariable("w", 0); - calc.setVariable("h", 0); - EXPECT_EQ(Matrix("T1,-2", calc), TranslationMatrix(1, -2)); - EXPECT_EQ(Matrix("R45", calc), RotationMatrix(45)); - EXPECT_EQ(Matrix("S2,3", calc), ScalingMatrix(2, 3)); - EXPECT_EQ(Matrix("FH1", calc), Matrix({1, 0, 0, 0, -1, 2, 0, 0, 1})); - EXPECT_EQ(Matrix("FV1", calc), Matrix({-1, 0, 2, 0, 1, 0, 0, 0, 1})); - EXPECT_EQ(Matrix("KX45", calc), Matrix({1, 1, 0, 0, 1, 0, 0, 0, 1})); - EXPECT_EQ(Matrix("KY45", calc), Matrix({1, 0, 0, 1, 1, 0, 0, 0, 1})); - EXPECT_EQ(Matrix("M1,2,3,4,5,6", calc), Matrix({1, 2, 3, 4, 5, 6, 0, 0, 1})); - - Matrix m; - m.set("R90 T1,1 S2", calc); - EXPECT_EQ(m, Matrix({0, -2, 2, 2, 0, 2, 0, 0, 1})); -} - - -TEST(MatrixTest, write) { - ostringstream oss; - Matrix m(3); - oss << m; - EXPECT_EQ(oss.str(), "((3,0,0),(0,3,0),(0,0,3))"); -} - - -TEST(MatrixTest, fail) { - Calculator calc; - EXPECT_THROW(Matrix("R45", calc), CalculatorException); - - calc.setVariable("ux", 0); - calc.setVariable("uy", 0); - calc.setVariable("w", 0); - calc.setVariable("h", 0); - EXPECT_THROW(Matrix("ABC", calc), ParserException); // invalid command - EXPECT_THROW(Matrix("F1", calc), ParserException); // missing H or V - EXPECT_THROW(Matrix("K45", calc), ParserException); // missing X or Y - EXPECT_THROW(Matrix("KX", calc), ParserException); // missing argument - EXPECT_THROW(Matrix("KX90", calc), ParserException); // invalid argument (pole at 90+180k degrees) - EXPECT_THROW(Matrix("KY270", calc), ParserException); // invalid argument (pole at 90+180k degrees) - EXPECT_THROW(Matrix("S2,", calc), ParserException); // missing argument -} - - -TEST(MatrixTest, parseSVGTransform) { - XMLString::DECIMAL_PLACES = 3; - EXPECT_EQ( - Matrix::parseSVGTransform("translate(50, 90)").toSVG(), - "matrix(1 0 0 1 50 90)"); - EXPECT_EQ( - Matrix::parseSVGTransform("scale(10 20)").toSVG(), - "matrix(10 0 0 20 0 0)"); - EXPECT_EQ( - Matrix::parseSVGTransform("rotate(-45)").toSVG(), - "matrix(.707 -.707 .707 .707 0 0)"); - EXPECT_EQ( - Matrix::parseSVGTransform("translate(50, 90) rotate(-45) ").toSVG(), - "matrix(.707 -.707 .707 .707 50 90)"); - EXPECT_EQ( - Matrix::parseSVGTransform("translate(50, 90) rotate(-45) , translate(130 160)").toSVG(), - "matrix(.707 -.707 .707 .707 255.061 111.213)"); -} |