### Question:
OAuthUtils { public static Map<String, Object> decodeForm(String form) { Map<String, Object> params = new HashMap<String, Object>(); if (!OAuthUtils.isEmpty(form)) { for (String nvp : form.split("\\&")) { int equals = nvp.indexOf('='); String name; String value; if (equals < 0) { name = decodePercent(nvp); value = null; } else { name = decodePercent(nvp.substring(0, equals)); value = decodePercent(nvp.substring(equals + 1)); } params.put(name, value); } } return params; }  static String format(
        final Collection<? extends Map.Entry<String, Object>> parameters,
        final String encoding); static String saveStreamAsString(InputStream is); static String toString(
        final InputStream is, final String defaultCharset); static OAuthProblemException handleOAuthProblemException(String message); static OAuthProblemException handleMissingParameters(Set<String> missingParams); static OAuthProblemException handleBadContentTypeException(String expectedContentType); static OAuthProblemException handleNotAllowedParametersOAuthException(
        List<String> notAllowedParams); static Map<String, Object> decodeForm(String form); static boolean isFormEncoded(String contentType); static String decodePercent(String s); static String percentEncode(String s); static T instantiateClass(Class<T> clazz); static T instantiateClassWithParameters(Class<T> clazz, Class<?>[] paramsTypes,
                                                       Object[] paramValues); static String getAuthHeaderField(String authHeader); static Map<String, String> decodeOAuthHeader(String header); static String[] decodeClientAuthenticationHeader(String authenticationHeader); static String encodeOAuthHeader(Map<String, Object> entries); static String encodeAuthorizationBearerHeader(Map<String, Object> entries); static boolean isEmpty(String value); static boolean hasEmptyValues(String[] array); static String getAuthzMethod(String header); static Set<String> decodeScopes(String s); static String encodeScopes(Set<String> s); static boolean isMultipart(HttpServletRequest request); static boolean hasContentType(String requestContentType, String requiredContentType); static final String AUTH_SCHEME; static final String MULTIPART; }### Answer:
@Test public void testDecodeForm() throws Exception { String formUrlEncoded = "MyVariableOne=ValueOne&MyVariableTwo=ValueTwo"; Map<String, Object> formDecoded = OAuthUtils.decodeForm(formUrlEncoded); assertEquals(2, formDecoded.size()); assertEquals("ValueOne", formDecoded.get("MyVariableOne")); assertEquals("ValueTwo", formDecoded.get("MyVariableTwo")); }