62 lines
1.4 KiB
Java
62 lines
1.4 KiB
Java
package function.builtin.cons;
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import static testutil.TestUtilities.*;
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import org.junit.Test;
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import function.ArgumentValidator.*;
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import sexpression.*;
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public class CONSTester {
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@Test
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public void testConsWithNilValues() {
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String input = "(cons () nil)";
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assertSExpressionsMatch(parseString("(())"), evaluateString(input));
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}
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@Test
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public void testConsWithTwoSymbols() {
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String input = "(cons 'a 'b)";
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assertSExpressionsMatch(new Cons(new Symbol("A"), new Symbol("B")), evaluateString(input));
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}
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@Test
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public void testConsWithListAsRest() {
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String input = "(cons 1 '(2 3))";
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assertSExpressionsMatch(parseString("(1 2 3)"), evaluateString(input));
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}
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@Test
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public void testConsWithTwoLists() {
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String input = "(cons '(1 2) '(3 4))";
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assertSExpressionsMatch(parseString("((1 2) 3 4)"), evaluateString(input));
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}
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@Test
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public void testConsWithList() {
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String input = "(cons nil '(2 3))";
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assertSExpressionsMatch(parseString("(nil 2 3)"), evaluateString(input));
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}
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@Test(expected = TooManyArgumentsException.class)
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public void testConsWithTooManyArguments() {
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String input = "(cons 1 2 3)";
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evaluateString(input);
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}
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@Test(expected = TooFewArgumentsException.class)
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public void testConsWithTooFewArguments() {
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String input = "(cons 1)";
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evaluateString(input);
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}
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}
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