52 lines
1.2 KiB
Java
52 lines
1.2 KiB
Java
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package function.builtin;
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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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public class CARTester {
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@Test
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public void testCarWithNil() {
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String input = "(car nil)";
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assertSExpressionsMatch(evaluateString(input), parseString("()"));
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}
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@Test
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public void testCarWithList() {
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String input = "(car '(1 2 3))";
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assertSExpressionsMatch(evaluateString(input), parseString("1"));
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}
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@Test
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public void testNestedCarWithList() {
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String input = "(car (car '((1 2) 3)))";
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assertSExpressionsMatch(evaluateString(input), parseString("1"));
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}
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@Test(expected = BadArgumentTypeException.class)
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public void testCarWithNonList() {
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evaluateString("(car 'x)");
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}
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@Test(expected = TooManyArgumentsException.class)
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public void testCarWithTooManyArguments() {
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String input = "(car '(1 2) '(1 2) \"oh\")";
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assertSExpressionsMatch(evaluateString(input), parseString("1"));
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}
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@Test(expected = TooFewArgumentsException.class)
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public void testCarWithTooFewArguments() {
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String input = "(car)";
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assertSExpressionsMatch(evaluateString(input), parseString("1"));
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}
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}
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