}
	}
}

func TestLastIndexByte(t *testing.T) {
	testCases := []BinOpTest{
		{"", "q", -1},
		{"abcdef", "q", -1},
		{"abcdefabcdef", "a", len("abcdef")},      // something in the middle
		{"abcdefabcdef", "f", len("abcdefabcde")}, // last byte
		{"zabcdefabcdef", "z", 0},                 // first byte
		{"a☺b☻c☹d", "b", len("a☺")},               // non-ascii
	}
	for _, test := range testCases {

    <RequestProgress>
        <Enabled>FALSE</Enabled>
    </RequestProgress>
	<ScanRange><End>35</End></ScanRange>
</SelectObjectContentRequest>`),
		},
		{
			name:  "select-middle",
			input: testInput,
			// Since we are doing offset, no headers are used.
			wantResult: `{"_1":"a text, with comma"}`,
			requestXML: []byte(`<?xml version="1.0" encoding="UTF-8"?>
<SelectObjectContentRequest>