tw.check(t, "12345678", "") // but not enough (after filling the partially-filled buffer)
		b.Flush()
		tw.check(t, "123456789012", "")
	}
	{
		tw := &teststringwriter{}
		b := NewWriterSize(tw, BufSize)
		b.WriteString("123456789")   // long string, empty buffer:
		tw.check(t, "", "123456789") // use WriteString
	}
	{
		tw := &teststringwriter{}
		b := NewWriterSize(tw, BufSize)
		b.WriteString("abc")

		{"test-bucket-list-object", "", "", "", -1, resultCases[0], nil, true},
		// Testing for very large value of maxKey, this should set maxKeys to listObjectsLimit (20).
		{"test-bucket-list-object", "", "", "", 1234567890, resultCases[0], nil, true},
		// Testing for trancated value (21-24).
		{"test-bucket-list-object", "", "", "", 5, resultCases[1], nil, true},
		{"test-bucket-list-object", "", "", "", 4, resultCases[2], nil, true},