100 lines
2.5 KiB
Java
100 lines
2.5 KiB
Java
package function.builtin;
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import static function.builtin.EVAL.lookupSymbol;
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import static org.junit.Assert.*;
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import static sexpression.Nil.NIL;
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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.*;
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public class EVALTester {
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@Test
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public void evalNumber() {
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String input = "(eval 9)";
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assertSExpressionsMatch(parseString("9"), evaluateString(input));
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}
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@Test
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public void evalNil() {
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String input = "(eval ())";
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assertSExpressionsMatch(parseString("()"), evaluateString(input));
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}
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@Test
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public void lookupKeywordSymbol() {
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String symbol = ":symbol";
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assertSExpressionsMatch(parseString(symbol), lookupSymbol(symbol));
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}
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@Test
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public void lookupT() {
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String symbol = "T";
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assertSExpressionsMatch(parseString(symbol), lookupSymbol(symbol));
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}
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@Test
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public void lookupNil() {
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String symbol = "NIL";
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assertSExpressionsMatch(parseString(symbol), lookupSymbol(symbol));
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}
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@Test
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public void lookupUndefinedSymbol() {
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assertNull(EVAL.lookupSymbol("undefined"));
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}
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@Test(expected = UndefinedFunctionException.class)
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public void evalUndefinedFunction() {
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String input = "(funcall 'eval '(undefined))";
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evaluateString(input);
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}
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@Test(expected = UndefinedSymbolException.class)
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public void evalUndefinedSymbol() {
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String input = "(eval undefined)";
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evaluateString(input);
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}
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@Test(expected = DottedArgumentListException.class)
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public void evalWithDottedLambdaList() {
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String input = "(funcall 'eval (cons '+ 1))";
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evaluateString(input);
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}
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@Test(expected = TooManyArgumentsException.class)
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public void evalWithTooManyArguments() {
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evaluateString("(eval '1 '2 '3)");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void evalWithTooFewArguments() {
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evaluateString("(eval)");
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}
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@Test
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public void undefinedFunctionException_HasMessageText() {
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UndefinedFunctionException e = new UndefinedFunctionException(NIL);
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assertNotNull(e.getMessage());
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assertTrue(e.getMessage().length() > 0);
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}
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@Test
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public void undefinedSymbolException_HasMessageText() {
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UndefinedSymbolException e = new UndefinedSymbolException(NIL);
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assertNotNull(e.getMessage());
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assertTrue(e.getMessage().length() > 0);
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}
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}
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