@Test
public void areNotAllFunctionsDeclared() throws Exception {
String expression = "1 + Sin(90) + MyFunc(1)";
ExpressionSolver target = new ExpressionSolver(expression);
boolean actual = target.areAllFunctionsDeclared();
boolean expected = false;
assertThat(actual, is(equalTo(expected)));
}
@Test
public void areAllFunctionsDeclared() throws Exception {
String expression = "1 + Sin(90) + MyFunc(1)";
ExpressionSolver target = new ExpressionSolver(expression);
target.addFunction("MyFunc", Arrays.asList("x"), "1 + x");
boolean actual = target.areAllFunctionsDeclared();
boolean expected = true;
assertThat(actual, is(equalTo(expected)));
}