c.Assert(response.StatusCode, http.StatusOK)

	// test Cases containing data to make partial range requests.
	// also has expected response data.
	testCases := []struct {
		byteRange      string
		expectedString string
	}{
		// request for byte range 10-11.
		// expecting the result to contain only putContent[10:12] bytes.
		{"10-11", putContent[10:12]},
		// request for object data after the first byte.