66 lines
2.3 KiB
Dart
66 lines
2.3 KiB
Dart
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import 'package:armstrong_numbers/armstrong_numbers.dart';
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import 'package:test/test.dart';
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void main() {
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final armstrongNumbers = ArmstrongNumbers();
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group('ArmstrongNumbers', () {
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test('Zero is an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('0');
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expect(result, equals(true));
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}, skip: false);
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test('Single-digit numbers are Armstrong numbers', () {
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final result = armstrongNumbers.isArmstrongNumber('5');
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expect(result, equals(true));
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}, skip: false);
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test('There are no two-digit Armstrong numbers', () {
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final result = armstrongNumbers.isArmstrongNumber('10');
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expect(result, equals(false));
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}, skip: false);
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test('Three-digit number that is an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('153');
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expect(result, equals(true));
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}, skip: false);
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test('Three-digit number that is not an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('100');
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expect(result, equals(false));
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}, skip: false);
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test('Four-digit number that is an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('9474');
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expect(result, equals(true));
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}, skip: false);
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test('Four-digit number that is not an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('9475');
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expect(result, equals(false));
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}, skip: false);
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test('Seven-digit number that is an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('9926315');
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expect(result, equals(true));
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}, skip: false);
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test('Seven-digit number that is not an Armstrong number', () {
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final result = armstrongNumbers.isArmstrongNumber('9926314');
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expect(result, equals(false));
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}, skip: false);
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test('Armstrong number containing seven zeroes', () {
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final result = armstrongNumbers
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.isArmstrongNumber('186709961001538790100634132976990');
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expect(result, equals(true));
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}, skip: false);
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test('The largest and last Armstrong number', () {
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final result = armstrongNumbers
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.isArmstrongNumber('115132219018763992565095597973971522401');
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expect(result, equals(true));
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}, skip: false);
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});
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}
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