Function collectCoverage

lib/internal/test_runner/harness.js:187–211

(rootTest, coverage)

}

function collectCoverage(rootTest, coverage) {
  if (!coverage) {
    return null;
  }

  let summary = null;

  try {
    summary = coverage.summary();
  } catch (err) {
    rootTest.diagnostic(`Warning: Could not report code coverage. ${err}`);
    rootTest.harness.success = false;
    process.exitCode = kGenericUserError;
  }

  try {
    coverage.cleanup();
  } catch (err) {
    rootTest.diagnostic(`Warning: Could not clean up code coverage. ${err}`);
    rootTest.harness.success = false;
    process.exitCode = kGenericUserError;
  }

  return summary;
}

function setupFailureStateFile(rootTest, globalOptions) {
  if (!globalOptions.rerunFailuresFilePath) {