64 lines
2.0 KiB
Dart
64 lines
2.0 KiB
Dart
import 'package:difference_of_squares/difference_of_squares.dart';
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import 'package:test/test.dart';
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final differenceOfSquares = DifferenceOfSquares();
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void main() {
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group('DifferenceOfSquares: Square the sum of the numbers up to the given number - ',
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squareTheSumOfTheNumbersUpToTheGivenNumber);
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group('DifferenceOfSquares: Sum the squares of the numbers up to the given number - ',
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sumTheSquaresOfTheNumbersUpToTheGivenNumber);
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group('DifferenceOfSquares: Subtract sum of squares from square of sums - ', subtractSumOfSquaresFromSquareOfSums);
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}
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void squareTheSumOfTheNumbersUpToTheGivenNumber() {
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test('square of sum 1', () {
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final result = differenceOfSquares.squareOfSum(1);
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expect(result, equals(1));
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}, skip: false);
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test('square of sum 5', () {
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final result = differenceOfSquares.squareOfSum(5);
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expect(result, equals(225));
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}, skip: false);
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test('square of sum 100', () {
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final result = differenceOfSquares.squareOfSum(100);
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expect(result, equals(25502500));
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}, skip: false);
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}
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void sumTheSquaresOfTheNumbersUpToTheGivenNumber() {
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test('sum of squares 1', () {
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final result = differenceOfSquares.sumOfSquares(1);
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expect(result, equals(1));
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}, skip: false);
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test('sum of squares 5', () {
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final result = differenceOfSquares.sumOfSquares(5);
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expect(result, equals(55));
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}, skip: false);
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test('sum of squares 100', () {
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final result = differenceOfSquares.sumOfSquares(100);
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expect(result, equals(338350));
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}, skip: false);
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}
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void subtractSumOfSquaresFromSquareOfSums() {
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test('difference of squares 1', () {
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final result = differenceOfSquares.differenceOfSquares(1);
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expect(result, equals(0));
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}, skip: false);
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test('difference of squares 5', () {
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final result = differenceOfSquares.differenceOfSquares(5);
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expect(result, equals(170));
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}, skip: false);
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test('difference of squares 100', () {
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final result = differenceOfSquares.differenceOfSquares(100);
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expect(result, equals(25164150));
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}, skip: false);
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}
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