@Test
public void testExpressions() {
// Order of operations is disregarded for now
double result1 = MathLib.evaluateExpression("4 + 3");
double result2 = MathLib.evaluateExpression("4 + 3 - 2");
double result3 = MathLib.evaluateExpression("4 -3+ 2*5");
double result4 = MathLib.evaluateExpression("1.1 + 2.2 + 3.3 - 4.4");
double result5 = MathLib.evaluateExpression("-3 * 2");
double result6 = MathLib.evaluateExpression("2 * -2 + 10");
assertEquals(7, result1, 0.00001);
assertEquals(5, result2, 0.00001);
assertEquals(15, result3, 0.00001);
assertEquals(2.2, result4, 0.00001);
assertEquals(-6, result5, 0.00001);
assertEquals(6, result6, 0.00001);
}
