33 lines
707 B
Java
33 lines
707 B
Java
package function.builtin.predicate;
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import static testutil.TestUtilities.evaluateString;
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import static testutil.TypeAssertions.*;
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import org.junit.Test;
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import function.ArgumentValidator.*;
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public class NULLTester {
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@Test
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public void nilIsNull() {
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assertT(evaluateString("(null ())"));
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}
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@Test
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public void listIsNotNull() {
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assertNil(evaluateString("(null '(1))"));
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}
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@Test(expected = TooFewArgumentsException.class)
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public void testNullWithTooFewArguments() {
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evaluateString("(null)");
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}
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@Test(expected = TooManyArgumentsException.class)
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public void testNullWithTooManyArguments() {
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evaluateString("(null 1 2)");
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}
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}
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