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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.0.9/tests/PairTest.cpp')
| -rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.0.9/tests/PairTest.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.9/tests/PairTest.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.0.9/tests/PairTest.cpp new file mode 100644 index 00000000000..9807cc7a353 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.0.9/tests/PairTest.cpp @@ -0,0 +1,125 @@ +/************************************************************************* +** PairTest.cpp ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2011 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 "Pair.h" + +using namespace std; + +TEST(PairTest, constructor) { + DPair p(-1.5, 2); + ASSERT_EQ(p.x(), -1.5); + ASSERT_EQ(p.y(), 2); + DPair q = p; + ASSERT_EQ(q.x(), -1.5); + ASSERT_EQ(q.y(), 2); +} + + +TEST(PairTest, setter) { + DPair p(1,2); + ASSERT_EQ(p, DPair(1,2)); + p.x(3); + ASSERT_EQ(p, DPair(3,2)); + p.y(5); + ASSERT_EQ(p, DPair(3,5)); +} + + +TEST(PairTest, length) { + ASSERT_EQ(DPair(0,0).length(), 0); + ASSERT_EQ(DPair(1,0).length(), 1); + ASSERT_EQ(DPair(0,1).length(), 1); + ASSERT_EQ(DPair(-1,0).length(), 1); + ASSERT_EQ(DPair(0,-1).length(), 1); + + // check some Pythagorean triples + for (int i=1; i < 10; ++i) { + for (int j=i+1; j <= 10; ++j) { + int a = j*j-i*i; + int b = 2*i*j; + int c = j*j+i*i; + ASSERT_EQ(DPair(a, b).length(), c); + ASSERT_EQ(DPair(b, a).length(), c); + ASSERT_EQ(DPair(-a, b).length(), c); + ASSERT_EQ(DPair(-b, a).length(), c); + ASSERT_EQ(DPair(-a, -b).length(), c); + } + } +} + + +TEST(PairTest, add) { + ASSERT_EQ(DPair(2,3)+DPair(0,0), DPair(2,3)); + ASSERT_EQ(DPair(2,3)+DPair(4,5), DPair(6,8)); + ASSERT_EQ(DPair(2,3)+DPair(-4,-5), DPair(-2,-2)); +} + + +TEST(PairTest, sub) { + ASSERT_EQ(DPair(2,3)-DPair(0,0), DPair(2,3)); + ASSERT_EQ(DPair(2,3)-DPair(4,5), DPair(-2,-2)); + ASSERT_EQ(DPair(2,3)-DPair(-4,-5), DPair(6,8)); +} + + +TEST(PairTest, mul) { + ASSERT_EQ(DPair(2,3)*0.0, DPair(0,0)); + ASSERT_EQ(DPair(2,3)*1.0, DPair(2,3)); + ASSERT_EQ(DPair(2,3)*2.0, DPair(4,6)); + ASSERT_EQ(DPair(2,3)*(-2.0), DPair(-4,-6)); +} + + +TEST(PairTest, div) { + ASSERT_EQ(DPair(2,3)/1.0, DPair(2,3)); + ASSERT_EQ(DPair(2,3)/2.0, DPair(1,1.5)); + ASSERT_EQ(DPair(2,3)/(-2.0), DPair(-1,-1.5)); +} + + +TEST(PairTest, equality) { + ASSERT_TRUE(DPair(2,3) == DPair(2,3)); + ASSERT_FALSE(DPair(2,3) == DPair(-2,-3)); + ASSERT_TRUE(DPair(2,3)+DPair(4,5) == DPair(6,8)); + ASSERT_FALSE(DPair(2,3)+DPair(4,5) != DPair(6,8)); +} + + +TEST(PairTest, ortho) { + ASSERT_EQ(DPair(0,0).ortho(), DPair(0,0)); + ASSERT_EQ(DPair(1,0).ortho(), DPair(0,1)); + ASSERT_EQ(DPair(0,1).ortho(), DPair(-1,0)); + ASSERT_EQ(DPair(-1,0).ortho(), DPair(0,-1)); + ASSERT_EQ(DPair(0,-1).ortho(), DPair(1,0)); +} + + +TEST(PairTest, write) { + ostringstream oss; + DPair p(3,4); + oss << p; + ASSERT_EQ(oss.str(), "(3,4)"); + p *= 2; + oss.str(""); + oss << p; + ASSERT_EQ(oss.str(), "(6,8)"); +} |