Method testVariables

tests/backend/Parser/ParserTest.cpp:148–177

}

void ParserTest::testVariables() {
	Parsing::Parser parser(false);
	parser.assign_symbol("a", 1.);
	const QVector<QPair<QString, double>> tests{{QStringLiteral("a"), 1.},
												{QStringLiteral("a+1"), 2.},
												{QStringLiteral("a+1.5"), 2.5},
												{QStringLiteral("a!"), 1.}};

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

	parser.assign_symbol("a", 0.); // only vars set to zero get removed
	parser.remove_symbol("a");
	for (auto& expr : tests)
		QVERIFY(std::isnan(parser.parse(qPrintable(expr.first), "C")));

	// longer var name
	parser.assign_symbol("sina", 1.5);
	const QVector<QPair<QString, double>> tests2{{QStringLiteral("sina"), 1.5},
												 {QStringLiteral("sina+1"), 2.5},
												 {QStringLiteral("sina+1.5"), 3.},
												 {QStringLiteral("2*sina"), 3.}};

	for (auto& expr : tests2)
		QCOMPARE(parser.parse(qPrintable(expr.first), "C"), expr.second);

	// parse_with_vars()
	parser_var vars[] = {{"x", 1.}, {"y", 2.}};
	QCOMPARE(parser.parse_with_vars("x + y", vars, 2, "C"), 3.);
}

void ParserTest::testLocale() {
// TODO: locale test currently does not work on FreeBSD