72 lines
1.9 KiB
Java
72 lines
1.9 KiB
Java
package function.builtin;
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import static org.junit.Assert.*;
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import static testutil.TestUtilities.evaluateString;
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import org.junit.*;
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import function.ArgumentValidator.*;
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import function.builtin.SYMBOL_FUNCTION.UndefinedSymbolFunctionException;
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import sexpression.Nil;
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import table.FunctionTable;
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public class SYMBOL_FUNCTIONTester {
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@Before
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public void setUp() {
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FunctionTable.reset();
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}
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@After
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public void tearDown() {
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FunctionTable.reset();
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}
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@Test
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public void testSymbolFunction_BuiltinFunction() {
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String input = "(symbol-function '+)";
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assertEquals("#<SYSTEM-FUNCTION +>", evaluateString(input).toString());
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}
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@Test
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public void testSymbolFunction_UserDefinedFunction() {
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String defineUserFunction = "(defun y (n m) (+ n m))";
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String input = "(symbol-function 'y)";
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evaluateString(defineUserFunction);
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assertEquals("(Y (N M) (+ N M))", evaluateString(input).toString());
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}
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@Test(expected = RuntimeException.class)
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public void testSymbolFunction_NonFunction() {
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String input = "(symbol-function 'a)";
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evaluateString(input);
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}
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@Test(expected = BadArgumentTypeException.class)
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public void testSymbolFunctionWithBadArgumentType() {
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evaluateString("(symbol-function 2)");
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}
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@Test(expected = TooManyArgumentsException.class)
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public void testSymbolFunctionWithTooManyArguments() {
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evaluateString("(symbol-function 'a 'b)");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void testSymbolFunctionWithTooFewArguments() {
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evaluateString("(symbol-function)");
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}
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@Test
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public void undefinedSymbolFunctionException_HasMessageText() {
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UndefinedSymbolFunctionException e = new UndefinedSymbolFunctionException(Nil.getInstance());
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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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