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POJava JUnit Parameterized error
 

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  1. POJava JUnit Parameterized error
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    <p>I am creating a Java application based on JRE 6. I use JUnit 4 to generate parameterized tests. I am receiving this error:</p> <pre>The annotation @Parameterized.Parameters must define the attribute value</pre> <p>on the line containing the annotation:</p> <pre><code>@Parameterized.Parameters </code></pre> <p>Below is the code I believe to be relevant to this issue:</p> <pre><code>import static org.junit.Assert.assertEquals; import java.util.Arrays; import java.util.Collection; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import calc.CalculatorException; import calc.ScientificCalculator; @RunWith(Parameterized.class) public class ScientificCalculatorTest extends BasicCalculatorTest{ /** Provides an interface to the scientific features of the calculator under test */ private ScientificCalculator sciCalc; private double a, b; @Before @Override public void setUp() throws Exception { sciCalc = new ScientificCalculator(); //Make sure that the basic functionality of the extended calculator //hasn't been broken. theCalc = sciCalc; } /** * Constructor. Is executed on each test and sets the test values to each pair in the data sets. * @param nr1 the first number in the tested pair. * @param nr2 the second number in the tested pair. */ public ScientificCalculatorTest(double nr1, double nr2){ a = nr1; b = nr2; } @Parameterized.Parameters public static Collection&lt;Object[]&gt; testGenerator() { return Arrays.asList(new Object[][] { //General integer values | -/+ combinations { -100, -100}, { -100, 100}, { 100, -100}, { 100, 100} }); } </code></pre> <p>I managed to find some far related questions, such as <a href="https://stackoverflow.com/questions/7594582/annotation-attributes-with-type-parameters">this</a>. Sadly, in my situation they're of no help. </p> <p>What I have tried and didn't work: </p> <ul> <li><p>removing the "extends BasicCalculatorTest" from the class declaration</p></li> <li><p>adding test functions that use the @Test annotation</p></li> <li><p>importing org.junit.runners.Parameterized and using @Parameters instead of @Parameterized.Parameters</p></li> </ul> <p>I need to mention that I have used a very similar implementation (most notably the annotations and testGenerator()) in another project without any issues. The implementation follows the tutorials available online, such as <a href="http://isagoksu.com/2009/development/agile-development/test-driven-development/using-junit-parameterized-annotation/" rel="nofollow noreferrer">this</a>, <a href="http://www.mkyong.com/unittest/junit-4-tutorial-6-parameterized-test/" rel="nofollow noreferrer">this</a> and <a href="https://blogs.oracle.com/jacobc/entry/parameterized_unit_tests_with_junit" rel="nofollow noreferrer">this</a>.</p> <p>Any help on solving this error is greatly appreciated.</p>
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    1. USVlad Schnakovszki
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    1. CO`@Parameterized.Parameters(value=/*required here*/)` the error says the attribute `value` is mandatory.
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      1. POJava JUnit Parameterized error
      1. USBhesh Gurung
    2. CO@PaulBellora, it was just a typo, thanks for pointing it out, I have corrected it but the problem still remains.
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      1. USVlad Schnakovszki
    3. CO@BheshGurung, I know it says that but I have used it in another project without (value=/*required here*/) and it worked just fine. Also, none of the tutorials I have linked use this.
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