Port changes from 1.7.x.

Author: rlubke

api/src/main/java/org/asynchttpclient/generators/InputStreamBodyGenerator.java

@@ -43,7 +43,7 @@ public InputStreamBodyGenerator(InputStream inputStream) {
         if (inputStream.markSupported()) {
             inputStream.mark(0);
         } else {
-            logger.info("inputStream.markSupported() not supported. Some features will not works");
+            logger.info("inputStream.markSupported() not supported. Some features will not work.");
         }
     }
 
@@ -117,6 +117,10 @@ public long read(ByteBuffer buffer) throws IOException {
             } else {
                 if (read > 0) {
                     buffer.put(chunk, 0, read);
+                } else {
+                    if (inputStream.markSupported()) {
+                        inputStream.reset();
+                    }
                 }
             }
             return read;

api/src/test/java/org/asynchttpclient/async/BasicAuthTest.java

@@ -472,7 +472,7 @@ public AbstractHandler configureHandler() throws Exception {
         return new SimpleHandler();
     }
 
-    @Test(groups = { "standalone", "default_provider" }, enabled = false)
+    @Test(groups = { "standalone", "default_provider" })
     public void stringBuilderBodyConsumerTest() throws Throwable {
 
         SimpleAsyncHttpClient client = new SimpleAsyncHttpClient.Builder().setRealmPrincipal(user).setRealmPassword(admin).setUrl(getTargetUrl()).setHeader("Content-Type", "text/html").build();