27 lines
637 B
Dart
27 lines
637 B
Dart
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import 'package:d4rt_formulas/formula_evaluator.dart';
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import 'package:d4rt_formulas/formula_models.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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test("Solve x^2", () {
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Number f(Number x) => x*x;
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var root = functionSolver(f, hint: 10, step: 1);
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expect(root, closeTo(0, 0.1));
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});
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test("Solve x^2 + 1", () {
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Number f(Number x) => x*x+1;
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expect(()=> functionSolver(f, hint: 10, step: 1), throwsA(isA<NoSolutionException>()));
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});
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test("Solve (x-2)(x-10", () {
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Number f(Number x) => (x-2)*(x-10);
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expect( functionSolver(f, hint: 10, step: 1), closeTo(10, 0.1));
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});
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}
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