103 lines
2.3 KiB
Go
103 lines
2.3 KiB
Go
package datamatrix
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import (
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"bytes"
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"testing"
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)
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func codeFromStr(str string, size *dmCodeSize) *datamatrixCode {
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code := newDataMatrixCode(size)
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idx := 0
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for _, r := range str {
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x := idx % size.Columns
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y := idx / size.Columns
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switch r {
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case '#':
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code.set(x, y, true)
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case '.':
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code.set(x, y, false)
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default:
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continue
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}
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idx++
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}
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return code
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}
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func Test_Issue12(t *testing.T) {
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data := `{"po":12,"batchAction":"start_end"}`
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realData := addPadding(encodeText(data), 36)
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wantedData := []byte{124, 35, 113, 112, 35, 59, 142, 45, 35, 99, 98, 117, 100, 105, 66, 100, 117, 106, 112, 111, 35, 59, 35, 116, 117, 98, 115, 117, 96, 102, 111, 101, 35, 126, 129, 181}
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if bytes.Compare(realData, wantedData) != 0 {
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t.Error("Data Encoding failed")
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return
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}
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var codeSize *dmCodeSize
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for _, s := range codeSizes {
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if s.DataCodewords() >= len(wantedData) {
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codeSize = s
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break
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}
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}
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realECC := ec.calcECC(realData, codeSize)[len(realData):]
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wantedECC := []byte{196, 53, 147, 192, 151, 213, 107, 61, 98, 251, 50, 71, 186, 15, 43, 111, 165, 243, 209, 79, 128, 109, 251, 4}
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if bytes.Compare(realECC, wantedECC) != 0 {
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t.Errorf("Error correction calculation failed\nGot: %v", realECC)
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return
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}
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barcode := `
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#.#.#.#.#.#.#.#.#.#.#.#.
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#....###..#..#....#...##
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##.......#...#.#.#....#.
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#.###...##..#...##.##..#
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##...####..##..#.#.#.##.
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#.###.##.###..#######.##
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#..###...##.##..#.##.##.
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#.#.#.#.#.#.###....#.#.#
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##.#...#.#.#..#...#####.
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#...####..#...##..#.#..#
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##...#...##.###.#.....#.
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#.###.#.##.#.....###..##
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##..#####...#..##...###.
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###...#.####.##.#.#.#..#
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#..###..#.#.####.#.###..
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###.#.#..#..#.###.#.##.#
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#####.##.###..#.####.#..
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#.##.#......#.#..#.#.###
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###.#....######.#...##..
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##...#..##.###..#...####
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#.######.###.##..#...##.
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#..#..#.##.#..####...#.#
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###.###..#..##.#.##...#.
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########################`
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bc, err := Encode(data)
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if err != nil {
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t.Error(err)
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return
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}
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realResult := bc.(*datamatrixCode)
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if realResult.Columns != 24 || realResult.Rows != 24 {
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t.Errorf("Got wrong barcode size %dx%d", realResult.Columns, realResult.Rows)
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return
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}
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wantedResult := codeFromStr(barcode, realResult.dmCodeSize)
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for x := 0; x < wantedResult.Columns; x++ {
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for y := 0; y < wantedResult.Rows; y++ {
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r := realResult.get(x, y)
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w := wantedResult.get(x, y)
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if w != r {
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t.Errorf("Failed at: c%d/r%d", x, y)
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}
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}
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}
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}
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