89 lines
2.2 KiB
Dart
89 lines
2.2 KiB
Dart
import 'package:qr/qr.dart';
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import 'package:qr/src/byte.dart';
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import 'package:test/test.dart';
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void main() {
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test('full character map', () {
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final qr = QrAlphaNumeric.fromString(
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r'0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:',
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);
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expect(qr.mode, 2);
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expect(qr.length, 45);
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final buffer = QrBitBuffer();
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qr.write(buffer);
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expect(buffer.length, 248);
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expect(
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buffer.map<String>((e) => e ? '1' : '0').join(),
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'00000000001'
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'00001011101'
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'00010111001'
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'00100010101'
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'00101110001'
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'00111001101'
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'01000101001'
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'01010000101'
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'01011100001'
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'01100111101'
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'01110011001'
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'01111110101'
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'10001010001'
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'10010101101'
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'10100001001'
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'10101100101'
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'10111000001'
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'11000011101'
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'11001111001'
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'11011010101'
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'11100110001'
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'11110001101'
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'101100',
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);
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});
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test('single alphanumeric', () {
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final qr = QrAlphaNumeric.fromString(r'$');
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expect(qr.mode, 2);
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expect(qr.length, 1);
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final buffer = QrBitBuffer();
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qr.write(buffer);
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expect(buffer.length, 6);
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expect(buffer.map<String>((e) => e ? '1' : '0').join(), '100101');
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});
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test('double (even) alphanumeric', () {
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final qr = QrAlphaNumeric.fromString('3Z');
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expect(qr.mode, 2);
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expect(qr.length, 2);
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final buffer = QrBitBuffer();
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qr.write(buffer);
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expect(buffer.length, 11, reason: 'n*5+1 = 11');
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expect(
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buffer
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.getRange(0, 11)
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.map<int>((e) => e ? 1 : 0)
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.fold<int>(
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0,
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(previousValue, element) => (previousValue << 1) | element,
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),
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170,
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);
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});
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test('throws on invalid input', () {
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for (var character in 'abcdefghijklmnopqrstuvwxyz'.split('')) {
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expect(
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() => QrAlphaNumeric.fromString(character),
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throwsArgumentError,
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reason: 'lower case $character is invalid',
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);
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}
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for (var character in '!@#^&()_=[]{}\'";?<>,|~`'.split('')) {
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expect(
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() => QrAlphaNumeric.fromString(character),
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throwsArgumentError,
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reason: 'special character $character is invalid',
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);
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}
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});
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}
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