JUnit Source Code Files are provided in the source package file, junit-4.13.2-sources.jar.

You can browse JUnit Source Code files below:

⏎ org/junit/experimental/results/FailureList.java

package org.junit.experimental.results;

import java.util.List;

import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;

class FailureList {
    private final List<Failure> failures;

    public FailureList(List<Failure> failures) {
        this.failures = failures;
    }

    public Result result() {
        Result result = new Result();
        RunListener listener = result.createListener();
        for (Failure failure : failures) {
            try {
                listener.testFailure(failure);
            } catch (Exception e) {
                throw new RuntimeException("I can't believe this happened");
            }
        }
        return result;
    }
}

⏎ org/junit/experimental/results/FailureList.java

Or download all of them as a single archive file:

File name: junit-4.13.2-sources.jar
File size: 234540 bytes
Release date: 2021-02-13
Download 

⇒ Download and Install junit-4.12.jar

⇐ Download and Install junit-4.13.2.jar

⇑ Download and Install JUnit (Java Unit) Testing

⇑⇑ FAQ for JUnit (Java Unit) Testing