Attr attr = element.attributes.item(i)
                target.append(" $attr.name=\"$attr.value\"")
            }

            element.childNodes.findAll { it instanceof Text }.each {
                assert it.textContent != null : "Found null text element in <$element.tagName>"
            }

            List<Node> trimmedContent = element.childNodes.collect { it };

            .withArguments(args)
            .forwardOutput()
    }

    private void assertNoDeadLinks() {
        assert linkErrors.exists()
        assert linkErrors.text.stripTrailing().endsWith('All clear!')
    }

    private void assertFoundDeadLinks(Collection<DeadLink> deadLinks) {
        assert linkErrors.exists()

        def lines = linkErrors.readLines()
        deadLinks.each { deadLink ->

    ClassPool instanceScopedPool = new ClassPool()

    JApiClass apiClass = Stub(JApiClass)

    def setup() {
        instanceScopedPool.appendSystemPath()
    }

    void noViolation(def rule) {
        assert rule.maybeViolation(apiClass) == null
    }

    Map getInitializationParams() {
        return [acceptedApiChanges: [:],
            publicApiPatterns: ['gradlebuild[.]binarycompatibility[.]rules.[^.]+'],

        return new ExecResult(stderr: stderr, stdout: stdout, returnCode: returnCode)
    }

    static String getStdout(String command) {
        ExecResult execResult = exec(command)

        assert execResult.returnCode == 0: "$command failed with return code: $execResult"
        return execResult.stdout
    }

    static Future<String> readStreamAsync(InputStream inputStream) {