80 lines
2.1 KiB
Java
80 lines
2.1 KiB
Java
package function.builtin.math;
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import static testutil.TestUtilities.assertIsErrorWithMessage;
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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.TooFewArgumentsException;
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import function.builtin.math.DIVIDE.DivideByZeroException;
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import testutil.SymbolAndFunctionCleaner;
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public class DIVIDETest extends SymbolAndFunctionCleaner {
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@Test
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public void divideWithOne() {
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String input = "(/ 1)";
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assertSExpressionsMatch(parseString("1"), evaluateString(input));
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}
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@Test
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public void divideWithTwo() {
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String input = "(/ 2)";
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assertSExpressionsMatch(parseString("0"), evaluateString(input));
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}
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@Test
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public void divideTwoNumbers() {
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String input = "(/ 24 3)";
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assertSExpressionsMatch(parseString("8"), evaluateString(input));
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}
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@Test
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public void divideSeveralNumbers() {
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String input = "(/ 256 2 2 8)";
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assertSExpressionsMatch(parseString("8"), evaluateString(input));
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}
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@Test
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public void divideTwoNumbersWithRemainder() {
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String input = "(/ 9 2)";
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assertSExpressionsMatch(parseString("4"), evaluateString(input));
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}
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@Test
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public void divideSeveralNumbersWithRemainder() {
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String input = "(/ 19 2 5)";
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assertSExpressionsMatch(parseString("1"), evaluateString(input));
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}
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@Test(expected = BadArgumentTypeException.class)
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public void divideWithNonNumber() {
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evaluateString("(/ 'x)");
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}
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@Test(expected = TooFewArgumentsException.class)
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public void divideWithTooFewArguments() {
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evaluateString("(/)");
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}
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@Test(expected = DivideByZeroException.class)
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public void divideByZero() {
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evaluateString("(/ 2 0)");
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}
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@Test
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public void divideByZeroException_HasCorrectAttributes() {
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assertIsErrorWithMessage(new DivideByZeroException());
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}
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}
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