transcendental-lisp/test/function/builtin/FUNCALLTester.java

51 lines
1.1 KiB
Java

package function.builtin;
import static table.FunctionTable.resetFunctionTable;
import static testutil.TestUtilities.*;
import org.junit.*;
import function.ArgumentValidator.TooFewArgumentsException;
public class FUNCALLTester {
@Before
public void setUp() {
resetFunctionTable();
}
@After
public void tearDown() {
resetFunctionTable();
}
@Test
public void funcallWithNumbers() {
String input = "(funcall '+ 1 2 3)";
assertSExpressionsMatch(parseString("6"), evaluateString(input));
}
@Test
public void callWithNumbers() {
String input = "(call '+ 1 2 3)";
assertSExpressionsMatch(parseString("6"), evaluateString(input));
}
@Test
public void funcallWithUserDefinedFunction() {
String defineUserFunction = "(defun x (n m) (+ n m))";
String input = "(funcall 'x 2 30)";
evaluateString(defineUserFunction);
assertSExpressionsMatch(parseString("32"), evaluateString(input));
}
@Test(expected = TooFewArgumentsException.class)
public void funcallWithTooFewArguments() {
evaluateString("(funcall)");
}
}