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.*;
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import java.io.*;
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import org.junit.*;
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import environment.RuntimeEnvironment;
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import function.ArgumentValidator.*;
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import sexpression.*;
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public class LOADTester {
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private ByteArrayOutputStream outputStream;
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private void assertSomethingPrinted() {
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assertTrue(outputStream.toByteArray().length > 0);
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}
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private void assertNothingPrinted() {
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assertTrue(outputStream.toByteArray().length == 0);
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}
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@Before
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public void setUp() {
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this.outputStream = new ByteArrayOutputStream();
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RuntimeEnvironment.getInstance().setErrorOutput(new PrintStream(outputStream));
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}
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@Test
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public void loadGoodFile_ReturnsTAndPrintsNothing() {
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String input = "(load \"test/function/builtin/test-files/load-good.lisp\")";
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assertSExpressionsMatch(Symbol.T, evaluateString(input));
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assertNothingPrinted();
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}
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@Test
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public void loadBadFile_ReturnsNilAndPrintsError() {
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String input = "(load \"test/function/builtin/test-files/load-bad.lisp\")";
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assertSExpressionsMatch(Nil.getInstance(), evaluateString(input));
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assertSomethingPrinted();
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}
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@Test
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public void loadNonExistentFile_ReturnsNilAndPrintsError() {
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String input = "(load \"doesNotExist.lisp\")";
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assertSExpressionsMatch(Nil.getInstance(), evaluateString(input));
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assertSomethingPrinted();
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}
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@Test(expected = BadArgumentTypeException.class)
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public void testLoadWithBadArgumentType() {
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evaluateString("(load '1)");
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}
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@Test(expected = TooManyArgumentsException.class)
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public void testLoadWithTooManyArguments() {
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evaluateString("(load \"1\" \"2\")");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void testLoadWithTooFewArguments() {
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evaluateString("(load)");
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}
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}
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