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/*************************************************************************
** CalculatorTest.cpp **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2010 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 "Calculator.h"
TEST(CalculatorTest, eval) {
Calculator calc;
EXPECT_EQ(calc.eval("2+3+4"), 9);
EXPECT_EQ(calc.eval("2*3+4"), 10);
EXPECT_EQ(calc.eval("2+3*4"), 14);
EXPECT_EQ(calc.eval("(2+3)*4"), 20);
EXPECT_EQ(calc.eval("2*(3+4)"), 14);
EXPECT_EQ(calc.eval("-2+3+4"), 5);
EXPECT_EQ(calc.eval("3/2"), 1.5);
EXPECT_EQ(calc.eval("3%2"), 1);
}
TEST(CalculatorTest, variables) {
Calculator calc;
calc.setVariable("a", 1);
EXPECT_EQ(calc.getVariable("a"), 1);
calc.setVariable("a", 2);
EXPECT_EQ(calc.getVariable("a"), 2);
calc.setVariable("b", 3);
EXPECT_EQ(calc.eval("a+b"), 5);
EXPECT_EQ(calc.eval("2a+2b"), 10);
}
TEST(CalculatorTest, exceptions) {
Calculator calc;
ASSERT_THROW(calc.eval("2++3"), CalculatorException);
ASSERT_THROW(calc.eval("c"), CalculatorException);
ASSERT_THROW(calc.eval("1/0"), CalculatorException);
ASSERT_THROW(calc.eval("1%0"), CalculatorException);
ASSERT_THROW(calc.eval("2*(3+4"), CalculatorException);
ASSERT_THROW(calc.eval("2*(3+4))"), CalculatorException);
}
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