?? divisiontest.java
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/* Copyright (c) 2000-2004 jMock.org
*/
package test.jmock.examples.calculator.expression;
import org.jmock.examples.calculator.CalculatorException;
import org.jmock.examples.calculator.Expression;
import org.jmock.examples.calculator.SimpleEnvironment;
import org.jmock.examples.calculator.expression.Division;
public class DivisionTest extends AbstractBinaryOperatorTest
{
public void testDividesLeftSubexpressionByRightSubexpression() throws Exception {
runOperatorTest();
}
public void testThrowsExceptionOnDivideByZero() throws Exception {
Expression expression = makeExpression(1, 0);
try {
expression.evaluate(new SimpleEnvironment());
fail("expected CalculatorException on divide by zero");
}
catch (CalculatorException ex) {
assertTrue("error should contain 'divide by zero'",
ex.getMessage().indexOf("divide by zero") >= 0);
}
}
protected double expectedValue( double left, double right ) {
return left / right;
}
protected Expression makeExpression( Expression left, Expression right ) {
return new Division(left, right);
}
}
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