80 lines
2.3 KiB
Java
80 lines
2.3 KiB
Java
package function.builtin.cons;
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import static testutil.TestUtilities.assertSExpressionsMatch;
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import static testutil.TestUtilities.evaluateString;
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import static testutil.TestUtilities.parseString;
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import org.junit.Test;
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import function.ArgumentValidator.BadArgumentTypeException;
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import function.ArgumentValidator.DottedArgumentListException;
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import function.ArgumentValidator.TooFewArgumentsException;
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import function.ArgumentValidator.TooManyArgumentsException;
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import testutil.SymbolAndFunctionCleaner;
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public class APPENDTest extends SymbolAndFunctionCleaner {
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@Test
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public void appendNil() {
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String input = "(append () ())";
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assertSExpressionsMatch(parseString("nil"), evaluateString(input));
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}
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@Test
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public void appendNilToList() {
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String input = "(append () '(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 appendListToNil() {
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String input = "(append '(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 appendTwoLists() {
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String input = "(append '(1 2 3) '(4 5 6))";
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assertSExpressionsMatch(parseString("(1 2 3 4 5 6)"), evaluateString(input));
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}
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@Test
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public void appendMakesCopyOfFirstList() {
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evaluateString("(setq x '(1 2 3))");
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evaluateString("(setq y '(4 5 6))");
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evaluateString("(append x y)");
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assertSExpressionsMatch(parseString("(1 2 3)"), evaluateString("x"));
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}
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@Test
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public void appendAllowsDottedSecondList() {
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String input = "(append '() (cons 3 4))";
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assertSExpressionsMatch(evaluateString("(cons 3 4)"), evaluateString(input));
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}
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@Test(expected = DottedArgumentListException.class)
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public void appendWithDottedFirstList() {
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evaluateString("(append (cons 1 2) '(3 4))");
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}
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@Test(expected = TooManyArgumentsException.class)
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public void appendWithTooManyArguments() {
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evaluateString("(append () () ())");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void appendWithTooFewArguments() {
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evaluateString("(append ())");
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}
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@Test(expected = BadArgumentTypeException.class)
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public void appendWithBadArgumentType() {
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evaluateString("(append 1 '(2))");
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}
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}
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