},
		// Test case - 15.
		// Input with size less than the size of actual data inside the reader.
		{
			bucketName: bucket, objName: object, uploadID: uploadID, PartID: 1, inputReaderData: "abcd", inputMd5: "900150983cd24fb0d6963f7d28e17f73", inputDataSize: int64(len("abcd") - 1),
			expectedError: ioutil.ErrOverread,
		},

		// Test case - 16-19.
		// Validating for success cases.