61 lines
1.4 KiB
Java
61 lines
1.4 KiB
Java
package function.builtin.predicate;
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import static testutil.TestUtilities.evaluateString;
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import static testutil.TypeAssertions.assertNil;
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import static testutil.TypeAssertions.assertT;
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import org.junit.Test;
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import function.ArgumentValidator.BadArgumentTypeException;
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import function.ArgumentValidator.TooFewArgumentsException;
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import testutil.SymbolAndFunctionCleaner;
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public class NUMERIC_LESSTest extends SymbolAndFunctionCleaner {
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@Test
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public void lessThanWithOneNumber_ReturnsT() {
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String input = "(< 1)";
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assertT(evaluateString(input));
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}
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@Test
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public void lessThanWithTwoNumbers_ReturnsNil() {
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String input = "(< 2 1)";
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assertNil(evaluateString(input));
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}
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@Test
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public void lessThanWithTwoNumbers_ReturnsT() {
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String input = "(< 2 3)";
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assertT(evaluateString(input));
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}
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@Test
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public void lessThanWithManyNumbers_ReturnsNil() {
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String input = "(< 4 3 2 5 1)";
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assertNil(evaluateString(input));
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}
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@Test
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public void lessThanWithManyNumbers_ReturnsT() {
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String input = "(< 0 1 2 3 4)";
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assertT(evaluateString(input));
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}
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@Test(expected = BadArgumentTypeException.class)
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public void lessThanWithNonNumbers() {
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evaluateString("(< '(1) '(2))");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void lessThanWithTooFewArguments() {
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evaluateString("(<)");
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}
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}
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