Differential D1875 Diff 5683 libs/widgetutils/tests/kis_simple_math_parser_test.cpp

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libs/widgetutils/tests/kis_simple_math_parser_test.cpp

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		1		/*
		2		* Copyright (c) 2016 Laurent Valentin Jospin <laurent.valentin@famillejospin.ch>
		3		*
		4		* This program is free software; you can redistribute it and/or modify
		5		* it under the terms of the GNU General Public License as published by
		6		* the Free Software Foundation; either version 2 of the License, or
		7		* (at your option) any later version.
		8		*
		9		* This program is distributed in the hope that it will be useful,
		10		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		11		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		12		* GNU General Public License for more details.
		13		*
		14		* You should have received a copy of the GNU General Public License
		15		* along with this program; if not, write to the Free Software
		16		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
		17		*/
		18
		19		#include "kis_simple_math_parser_test.h"
		20
		21		#include "kis_num_parser.h"
		22
		23		#include <QString>
		24		#include <QtTest>
		25
		26		KisSimpleMathParserTest::KisSimpleMathParserTest() : QObject()
		27		{
		28
		29		}
		30
		31		void KisSimpleMathParserTest::testDoubleComputation()
		32		{
		33
		34		QStringList exprs = {"1",
		35		"2 + 3.4",
		36		"2 + -3.4",
		37		"2 - -3.4",
		38		"5-2",
		39		"7 + 2 - 5",
		40		"4.6 * 2 + 13",
		41		"4.6 / 2 + 3*3",
		42		"4.6 / 0.0 + 3*3",
		43		"-4.6 / 0.0 + 3*3",
		44		"-4.6 / -0.0 + 3*3",
		45		"4.6 / -0.0 + 3*3",
		46		"0.0 / 0.0 + 3*3",
		47		"2^3 - 4 * 1.5",
		48		"2^3.0 - 4 * 1.5",
		49		"cos(1)*2",
		50		"-cos(1)*2",
		51		"cos(1)^3*2",
		52		"cos(1)^3.0*2",
		53		"cos(1)*2 + sin(3)/2",
		54		"cos(acos(-1)+13^2.0)2 + sin(3)/2",
		55		"cos(acos(-1)+1*3^2.0)^2 + sin(3)/2"};
		56
		57		QVector<double> expected = {1,
		58		2 + 3.4,
		59		2 + -3.4,
		60		2 - -3.4,
		61		5-2,
		62		7 + 2 - 5,
		63		4.6 * 2 + 13,
		64		4.6 / 2 + 3*3,
		65		4.6 / 0.0 + 3*3,
		66		-4.6 / 0.0 + 3*3,
		67		-4.6 / -0.0 + 3*3,
		68		4.6 / -0.0 + 3*3,
		69		0.0 / 0.0 + 3*3,
		70		qPow(2,3) - 4 * 1.5,
		71		qPow(2,3.0) - 4 * 1.5,
		72		qCos(1.0/180qAcos(-1))2,
		73		-qCos(1.0/180qAcos(-1))2,
		74		qPow(qCos(1.0/180qAcos(-1)),3)2,
		75		qPow(qCos(1.0/180qAcos(-1)),3.0)2,
		76		qCos(1.0/180qAcos(-1))2 + qSin(3.0/180*qAcos(-1))/2,
		77		qCos((qAcos(-1.0)180/qAcos(-1)+1qPow(3,2.0))/180qAcos(-1))2 + qSin(3.0/180*qAcos(-1))/2,
		78		qPow(qCos((qAcos(-1.0)180/qAcos(-1)+1qPow(3,2.0))/180qAcos(-1)),2) + qSin(3.0/180qAcos(-1))/2};
		79
		80		for (int i = 0; i < expected.size(); i++) {
		81
		82		double result = KisNumericParser::parseSimpleMathExpr(exprs[i]);
		83
		84		bool test = result == expected[i] \|\| qAbs(result - expected[i]) < 1e-12 \|\| (std::isnan(result) && std::isnan(expected[i]));
		85
		86		QVERIFY2(test, QString("Failed when %1 should equal %2 but evaluated to %3.").arg(exprs[i]).arg(expected[i]).arg(result).toStdString().c_str());
		87		}
		88		}
		89
		90		void KisSimpleMathParserTest::testIntComputation()
		91		{
		92
		93		QStringList exprs = {"1",
		94		"2 + 3",
		95		"2 + -3",
		96		"2 - -3",
		97		"5-2",
		98		"7 + 2 - 5",
		99		"4/3",
		100		"12/3",
		101		"4*3",
		102		"581*2/3"};
		103
		104		QVector<int> expected = {1,
		105		2 + 3,
		106		2 + -3,
		107		2 - -3,
		108		5-2,
		109		7 + 2 - 5,
		110		qRound(4.0/3.0),
		111		qRound(12.0/3.0),
		112		4*3,
		113		581*2/3};
		114
		115		for (int i = 0; i < expected.size(); i++) {
		116
		117		int result = KisNumericParser::parseIntegerMathExpr(exprs[i]);
		118
		119		QCOMPARE(result, expected[i]);
		120		}
		121		}
		122
		123		void KisSimpleMathParserTest::testIntFlooring()
		124		{
		125
		126		QStringList exprs = {"4.5",
		127		"-4.5",
		128		"3.5 + 4.5",
		129		"2.8 - -3.5",
		130		"4.5/2.9",
		131		"7.6*3.2",
		132		"7.6*3.2 + 4.5"
		133		};
		134
		135		QVector<int> expected = {qRound(4.5),
		136		qRound(-4.5),
		137		qRound(3.5 + 4.5),
		138		qRound(2.8 - -3.5),
		139		qRound(4.5/2.9),
		140		qRound(7.6*3.2),
		141		qRound(7.6*3.2 + 4.5)
		142		};
		143
		144		for (int i = 0; i < expected.size(); i++) {
		145
		146		int result = KisNumericParser::parseIntegerMathExpr(exprs[i]);
		147
		148		QCOMPARE(result, expected[i]);
		149		}
		150
		151		}
		152
		153		QTEST_APPLESS_MAIN(KisSimpleMathParserTest)
		154