}

	// Validate all the test cases.
	for i, testCase := range testCases {
		actualInfo, actualErr := obj.PutObjectPart(context.Background(), testCase.bucketName, testCase.objName, testCase.uploadID, testCase.PartID, mustGetPutObjReader(t, bytes.NewBufferString(testCase.inputReaderData), testCase.inputDataSize, testCase.inputMd5, testCase.inputSHA256), opts)
		// All are test cases above are expected to fail.
		if actualErr != nil && testCase.shouldPass {

	}
	// iterate through the above set of inputs and upload the object.
	for i, input := range putObjectInputs {
		// uploading the object.
		_, err := obj.PutObject(context.Background(), input.bucketName, input.objectName, mustGetPutObjReader(t, bytes.NewReader(input.textData), input.contentLength, input.metaData[""], ""), ObjectOptions{UserDefined: input.metaData})
		// if object upload fails stop the test.
		if err != nil {

		17 + // ";chunk-signature="
		64 + // e.g. "f2ca1bb6c7e907d06dafe4687e579fce76b37e4e93b7605022da52e6ccc26fd2"
		2 + // CRLF
		chunkDataSize +
		2 // CRLF
}

func mustGetPutObjReader(t TestErrHandler, data io.Reader, size int64, md5hex, sha256hex string) *PutObjReader {
	hr, err := hash.NewReader(context.Background(), data, size, md5hex, sha256hex, size)
	if err != nil {
		t.Fatal(err)
	}