Method testBasics

tests/backend/Parser/ParserTest.cpp:26–76

//**********************************************************

void ParserTest::testBasics() {
	Parsing::Parser parser(false);
	const QVector<QPair<QString, double>> tests{{QStringLiteral("42"), 42.},
												{QStringLiteral("1."), 1.},
												{QStringLiteral("1+1"), 2.},
												{QStringLiteral("1+2+3+4+5"), 15.},
												{QStringLiteral("2*3"), 6.},
												{QStringLiteral("3/2"), 1.5},
												{QStringLiteral("2 -4 +6 -1 -1- 0 +8"), 10.},
												{QStringLiteral("1/3+1/3+1/3"), 1.},
												{QStringLiteral("1.5 + 2.5"), 4.},
												{QStringLiteral("4*2.5 + 8.5+1.5 / 3.0"), 19.},
												{QStringLiteral("5.0005 + 0.0095"), 5.01},
												{QStringLiteral("pi"), M_PI},
												{QStringLiteral("e"), M_E},
												{QStringLiteral("e^1"), M_E},
												{QStringLiteral("hbar"), GSL_CONST_MKSA_PLANCKS_CONSTANT_HBAR},
												{QStringLiteral(" 1   +   1  "), 2.},
												{QStringLiteral("1-    2"), -1.},
												{QStringLiteral("2*    2.5"), 5.},
												{QStringLiteral("3 + 8/5 -1 -2*5"), -6.4},
												{QStringLiteral("(1)"), 1.},
												{QStringLiteral("-(1)"), -1.},
												{QStringLiteral("(1+1)"), 2},
												{QStringLiteral("(sin(0))"), 0.},
												{QStringLiteral("(( ((2)) + 4))*((5))"), 30.},
												{QStringLiteral("2^2"), 4.},
												{QStringLiteral("3**2"), 9.},
												{QStringLiteral("1%1"), 0.},
												{QStringLiteral("3%2"), 1.},
												{QStringLiteral("1.e-5"), 1.e-5},
												{QStringLiteral("9.5E3"), 9500.},
												{QStringLiteral("|1.5|"), 1.5},
												{QStringLiteral("|-2.5|"), 2.5},
												{QStringLiteral("0!"), 1},
												{QStringLiteral("4!"), 24},
												{QStringLiteral("-3!"), -6.},
												{QStringLiteral("exp(0)"), 1.},
												{QStringLiteral("exp(1)"), M_E},
												{QStringLiteral("sqrt(0)"), 0.},
												{QStringLiteral("sin(0)"), 0.},
												{QStringLiteral("cos(pi)"), -1.}};

	for (auto& expr : tests)
		QCOMPARE(parser.parse(qPrintable(expr.first), "C"), expr.second);

	const QVector<QPair<QString, double>> testsFuzzy{{QStringLiteral("(sin(pi))"), 0.}};

	for (const auto& expr : testsFuzzy)
		FuzzyCompare(parser.parse(qPrintable(expr.first), "C"), expr.second, 1.e-15);
}

void ParserTest::testFunction0Arguments() {
	// Function with no arguments