001 package org.junit.runners.parameterized;
002
003 import static java.util.Collections.unmodifiableList;
004 import static org.junit.internal.Checks.notNull;
005
006 import java.util.ArrayList;
007 import java.util.List;
008
009 import org.junit.runners.model.TestClass;
010
011 /**
012 * A {@code TestWithParameters} keeps the data together that are needed for
013 * creating a runner for a single data set of a parameterized test. It has a
014 * name, the test class and a list of parameters.
015 *
016 * @since 4.12
017 */
018 public class TestWithParameters {
019 private final String name;
020
021 private final TestClass testClass;
022
023 private final List<Object> parameters;
024
025 public TestWithParameters(String name, TestClass testClass,
026 List<Object> parameters) {
027 notNull(name, "The name is missing.");
028 notNull(testClass, "The test class is missing.");
029 notNull(parameters, "The parameters are missing.");
030 this.name = name;
031 this.testClass = testClass;
032 this.parameters = unmodifiableList(new ArrayList<Object>(parameters));
033 }
034
035 public String getName() {
036 return name;
037 }
038
039 public TestClass getTestClass() {
040 return testClass;
041 }
042
043 public List<Object> getParameters() {
044 return parameters;
045 }
046
047 @Override
048 public int hashCode() {
049 int prime = 14747;
050 int result = prime + name.hashCode();
051 result = prime * result + testClass.hashCode();
052 return prime * result + parameters.hashCode();
053 }
054
055 @Override
056 public boolean equals(Object obj) {
057 if (this == obj) {
058 return true;
059 }
060 if (obj == null) {
061 return false;
062 }
063 if (getClass() != obj.getClass()) {
064 return false;
065 }
066 TestWithParameters other = (TestWithParameters) obj;
067 return name.equals(other.name)
068 && parameters.equals(other.parameters)
069 && testClass.equals(other.testClass);
070 }
071
072 @Override
073 public String toString() {
074 return testClass.getName() + " '" + name + "' with parameters "
075 + parameters;
076 }
077 }