@Test
public void setSeveralExpressionsOk() throws Exception {
String expression = "-10 + myVar * (myVar + myVar2) / -myVar3";
ExpressionSolver target = new ExpressionSolver(expression);
target.setVariable("myVar", 1);
target.setVariable("myVar2", 2);
target.setVariable("myVar3", 3);
assertEquals(-11d, target.solve(), 0d);
expression = "myVar + myVar2";
target.setNewExpression(expression);
assertEquals(3d, target.solve(), 0d);
}
