53 lines
1.6 KiB
Dart
53 lines
1.6 KiB
Dart
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import 'package:hamming/hamming.dart';
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import 'package:test/test.dart';
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void main() {
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final hamming = Hamming();
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final mustEqual = predicate((Error e) => e is ArgumentError && e.message == 'strands must be of equal length',
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'an ArgumentError with the message "strands must be of equal length"');
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group('Hamming', () {
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test('empty strands', () {
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final result = hamming.distance('', '');
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expect(result, equals(0));
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}, skip: false);
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test('single letter identical strands', () {
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final result = hamming.distance('A', 'A');
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expect(result, equals(0));
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}, skip: true);
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test('single letter different strands', () {
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final result = hamming.distance('G', 'T');
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expect(result, equals(1));
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}, skip: true);
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test('long identical strands', () {
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final result = hamming.distance('GGACTGAAATCTG', 'GGACTGAAATCTG');
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expect(result, equals(0));
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}, skip: true);
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test('long different strands', () {
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final result = hamming.distance('GGACGGATTCTG', 'AGGACGGATTCT');
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expect(result, equals(9));
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}, skip: true);
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test('disallow first strand longer', () {
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expect(() => hamming.distance('AATG', 'AAA'), throwsA(mustEqual));
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}, skip: true);
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test('disallow second strand longer', () {
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expect(() => hamming.distance('ATA', 'AGTG'), throwsA(mustEqual));
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}, skip: true);
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test('disallow empty first strand', () {
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expect(() => hamming.distance('', 'G'), throwsA(mustEqual));
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}, skip: true);
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test('disallow empty second strand', () {
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expect(() => hamming.distance('G', ''), throwsA(mustEqual));
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}, skip: true);
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});
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}
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