},

		// Input with size less than the size of actual data inside the reader.
		9: {
			bucketName: bucket, objName: object, inputData: []byte("abcd"),
			inputMeta: map[string]string{"etag": "900150983cd24fb0d6963f7d28e17f73"}, inputDataSize: int64(len("abcd") - 1),
			expectedError: ioutil.ErrOverread,
		},

		// Validating for success cases.