public TestResult start()

in src/main/java/junit/textui/TestRunner.java [152:187]
33 lines of code
9 McCabe index (conditional complexity)

    public TestResult start(String[] args) throws Exception {
        String testCase = "";
        String method = "";
        boolean wait = false;

        for (int i = 0; i < args.length; i++) {
            if (args[i].equals("-wait")) {
                wait = true;
            } else if (args[i].equals("-c")) {
                testCase = extractClassName(args[++i]);
            } else if (args[i].equals("-m")) {
                String arg = args[++i];
                int lastIndex = arg.lastIndexOf('.');
                testCase = arg.substring(0, lastIndex);
                method = arg.substring(lastIndex + 1);
            } else if (args[i].equals("-v")) {
                System.err.println("JUnit " + Version.id() + " by Kent Beck and Erich Gamma");
            } else {
                testCase = args[i];
            }
        }

        if (testCase.equals("")) {
            throw new Exception("Usage: TestRunner [-wait] testCaseName, where name is the name of the TestCase class");
        }

        try {
            if (!method.equals("")) {
                return runSingleMethod(testCase, method, wait);
            }
            Test suite = getTest(testCase);
            return doRun(suite, wait);
        } catch (Exception e) {
            throw new Exception("Could not create and run test suite: " + e);
        }
    }