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

103 lines
2.6 KiB
Java

package function.builtin;
import static error.ErrorManager.Severity.ERROR;
import static function.builtin.EVAL.lookupSymbol;
import static org.junit.Assert.*;
import static sexpression.Nil.NIL;
import static testutil.TestUtilities.*;
import org.junit.Test;
import function.ArgumentValidator.*;
import function.builtin.EVAL.*;
public class EVALTester {
@Test
public void evalNumber() {
String input = "(eval 9)";
assertSExpressionsMatch(parseString("9"), evaluateString(input));
}
@Test
public void evalNil() {
String input = "(eval ())";
assertSExpressionsMatch(parseString("()"), evaluateString(input));
}
@Test
public void lookupKeywordSymbol() {
String symbol = ":symbol";
assertSExpressionsMatch(parseString(symbol), lookupSymbol(symbol));
}
@Test
public void lookupT() {
String symbol = "T";
assertSExpressionsMatch(parseString(symbol), lookupSymbol(symbol));
}
@Test
public void lookupNil() {
String symbol = "NIL";
assertSExpressionsMatch(parseString(symbol), lookupSymbol(symbol));
}
@Test
public void lookupUndefinedSymbol() {
assertNull(EVAL.lookupSymbol("undefined"));
}
@Test(expected = UndefinedFunctionException.class)
public void evalUndefinedFunction() {
String input = "(funcall 'eval '(undefined))";
evaluateString(input);
}
@Test(expected = UndefinedSymbolException.class)
public void evalUndefinedSymbol() {
String input = "(eval undefined)";
evaluateString(input);
}
@Test(expected = DottedArgumentListException.class)
public void evalWithDottedLambdaList() {
String input = "(funcall 'eval (cons '+ 1))";
evaluateString(input);
}
@Test(expected = TooManyArgumentsException.class)
public void evalWithTooManyArguments() {
evaluateString("(eval '1 '2 '3)");
}
@Test(expected = TooFewArgumentsException.class)
public void evalWithTooFewArguments() {
evaluateString("(eval)");
}
@Test
public void undefinedFunctionException_HasCorrectAttributes() {
UndefinedFunctionException e = new UndefinedFunctionException(NIL);
assertEquals(ERROR, e.getSeverity());
assertNotNull(e.getMessage());
assertTrue(e.getMessage().length() > 0);
}
@Test
public void undefinedSymbolException_HasCorrectAttributes() {
UndefinedSymbolException e = new UndefinedSymbolException(NIL);
assertEquals(ERROR, e.getSeverity());
assertNotNull(e.getMessage());
assertTrue(e.getMessage().length() > 0);
}
}