private static List getTrimmedStackTraceLines()

in src/main/java/org/junit/internal/Throwables.java [85:106]

• 21 lines of code
• 5 McCabe index (conditional complexity)

    private static List<String> getTrimmedStackTraceLines(Throwable exception) {
        List<StackTraceElement> stackTraceElements = Arrays.asList(exception.getStackTrace());
        int linesToInclude = stackTraceElements.size();

        State state = State.PROCESSING_OTHER_CODE;
        for (StackTraceElement stackTraceElement : asReversedList(stackTraceElements)) {
            state = state.processStackTraceElement(stackTraceElement);
            if (state == State.DONE) {
                List<String> trimmedLines = new ArrayList<String>(linesToInclude + 2);
                trimmedLines.add("");
                for (StackTraceElement each : stackTraceElements.subList(0, linesToInclude)) {
                    trimmedLines.add("\tat " + each);
                }
                if (exception.getCause() != null) {
                    trimmedLines.add("\t... " + (stackTraceElements.size() - trimmedLines.size()) + " trimmed");
                }
                return trimmedLines;
            }
            linesToInclude--;
        }
        return Collections.emptyList();
    }