public String getMethodProtoDescriptor(MethodProtoReference protoReference) {
        StringWriter writer = new StringWriter();
        try {
            getWriter(writer).writeMethodProtoDescriptor(protoReference);
        } catch (IOException e) {
            throw new AssertionError("Unexpected IOException");
        }
        return writer.toString();
    }
@Test
    public void testGetMethodProtoReference() throws IOException {
        TestDexFormatter formatter = new TestDexFormatter();
        Assert.assertEquals(
                "method proto descriptor",
                formatter.getMethodProtoDescriptor(mock(MethodProtoReference.class)));
    }