69 lines
1.9 KiB
Java
69 lines
1.9 KiB
Java
package function.builtin;
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import static function.builtin.APPLY.apply;
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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 function.builtin.EVAL.UndefinedFunctionException;
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import sexpression.Cons;
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public class APPLYTester {
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@Test
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public void applyWithSymbol() {
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String input = "(apply '+ '(1 2 3))";
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assertSExpressionsMatch(parseString("6"), evaluateString(input));
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}
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@Test
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public void applyWithLambdaExpression() {
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String input = "(apply (lambda (x) (+ x 1)) '(25))";
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assertSExpressionsMatch(parseString("26"), evaluateString(input));
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}
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@Test
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public void applyWithQuotedLambdaExpression() {
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String input = "(apply '(lambda (x) (+ x 1)) '(25))";
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assertSExpressionsMatch(parseString("26"), evaluateString(input));
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}
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@Test
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public void staticApplyCall() {
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String argumentList = "(+ (25 10))";
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Cons parsedArgumentList = (Cons) parseString(argumentList);
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assertSExpressionsMatch(parseString("35"), apply(parsedArgumentList));
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}
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@Test(expected = UndefinedFunctionException.class)
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public void applyWithUndefinedFunction() {
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evaluateString("(apply 'f '(1 2 3))");
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}
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@Test(expected = BadArgumentTypeException.class)
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public void applyWithNonListSecondArgument() {
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evaluateString("(apply '+ '2)");
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}
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@Test(expected = TooManyArgumentsException.class)
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public void applyWithTooManyArguments() {
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evaluateString("(apply '1 '2 '3)");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void applyWithTooFewArguments() {
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evaluateString("(apply '1)");
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}
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@Test(expected = DottedArgumentListException.class)
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public void applyWithDottedArgumentList_ThrowsException() {
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evaluateString("(apply 'apply (cons 'T 'T))");
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}
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}
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