that are trusted to sign a server's certificate chain. `HandshakeCertificates` also works with
    mutual TLS where these roles are reversed.

    These classes make it possible to enable HTTPS in MockWebServer in [just a few lines of
    code][https_server_sample].

 *  **OkHttp now supports prior knowledge cleartext HTTP/2.** Enable this by setting
    `Protocol.H2_PRIOR_KNOWLEDGE` as the lone protocol on an `OkHttpClient.Builder`. This mode

    Iterable<?> a;
    Iterable<?> b;

    // Base case.
    a = new ArrayList<>();
    b = emptySet();
    assertTrue(elementsEqual(a.iterator(), b.iterator()));

    // A few elements.
    a = asList(4, 8, 15, 16, 23, 42);
    b = asList(4, 8, 15, 16, 23, 42);
    assertTrue(elementsEqual(a.iterator(), b.iterator()));

    // The same, but with nulls.

	},

	// MinIO extensions.
	ErrStorageFull: {
		Code:           "XMinioStorageFull",
		Description:    "Storage backend has reached its minimum free drive threshold. Please delete a few objects to proceed.",
		HTTPStatusCode: http.StatusInsufficientStorage,
	},
	ErrRequestBodyParse: {
		Code:           "XMinioRequestBodyParse",
		Description:    "The request body failed to parse.",

// and assert the error response. The purpose is to validate the API handlers response when the object layer is uninitialized.
// Usage hint: Should be used at the end of the API end points tests (ex: check the last few lines of `testAPIListObjectPartsHandler`),
// need a sample HTTP request to be sent as argument so that the relevant handler is called, the handler registration is expected

				}
			}
		})
	}
}

// Benchmarks for ObjectLayer.PutObjectPart().
// The intent is to benchmark PutObjectPart for various sizes ranging from few bytes to 100MB.
// Also each of these Benchmarks are run both Erasure and FS backends.

// BenchmarkPutObjectPart5MbFS - Benchmark FS.PutObjectPart() for object size of 5MB.
func BenchmarkPutObjectPart5MbFS(b *testing.B) {

```
mc cp ~/images.jpg myminio/images
.../images.jpg:  8.31 KB / 8.31 KB ┃▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓┃ 100.00% 59.42 KB/s 0s
```

Wait a few moments, then check the bucket’s contents with mc ls — you will see a thumbnail appear.

```
mc ls myminio/images-thumbnail
[2017-02-08 11:39:40 IST]   992B images-thumbnail.jpg
```