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import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; import java.util.Arrays; import java.util.Collection; import static org.junit.Assert.assertEquals; @RunWith(Parameterized.class) public class BinaryTest { private String input; private int expectedOutput; @Parameters public static Collection data() { return Arrays.asList(new Object[][]{ {"1", 1}, {"10", 2}, {"11", 3}, {"100", 4}, {"1001", 9}, {"11010", 26}, {"10001101000", 1128}, {"2", 0}, {"5", 0}, {"9", 0}, {"134678", 0}, {"abc10z", 0}, {"011", 3} }); } public BinaryTest(String input, int expectedOutput) { this.input = input; this.expectedOutput = expectedOutput; } @Test public void test() { Binary binary = new Binary(input); assertEquals(expectedOutput, binary.getDecimal()); } }