115 lines
2.7 KiB
Dart
115 lines
2.7 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('all digits 1 through 0', () {
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final qr = QrNumeric.fromString('1234567890');
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expect(qr.mode, 1);
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expect(qr.length, 10);
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final buffer = QrBitBuffer();
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qr.write(buffer);
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expect(buffer.length, 34);
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expect(
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buffer
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.getRange(0, 10)
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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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123,
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);
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expect(
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buffer
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.getRange(10, 20)
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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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456,
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);
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expect(
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buffer
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.getRange(20, 30)
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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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789,
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);
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expect(
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buffer
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.getRange(30, 34)
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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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0,
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);
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});
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test('single numeric', () {
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final qr = QrNumeric.fromString('5');
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expect(qr.mode, 1);
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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, 4);
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expect(
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buffer
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.getRange(0, 4)
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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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5,
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);
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});
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test('double numeric', () {
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final qr = QrNumeric.fromString('37');
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expect(qr.mode, 1);
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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, 7, reason: 'n*3+1 = 7');
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expect(
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buffer
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.getRange(0, 7)
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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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37,
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);
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});
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test('triple (even) numeric', () {
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final qr = QrNumeric.fromString('371');
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expect(qr.mode, 1);
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expect(qr.length, 3);
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final buffer = QrBitBuffer();
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qr.write(buffer);
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expect(buffer.length, 10, reason: 'n*3+1 = 10');
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expect(
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buffer
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.getRange(0, 10)
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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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371,
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);
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});
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test('throws on invalid input', () {
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expect(() => QrNumeric.fromString('hello'), throwsArgumentError);
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});
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}
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