первое домашнее задание #1
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etyumentcev
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Mar 23, 2022
| // Написать тест, который проверяет, что коэффициент a не может быть равен 0. В этом случае solve выбрасывает исключение. | ||
| @Test | ||
| fun test4() { | ||
| val a = 0.0 |
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лучше не 0 использовать, а маленькое число 1e-10,
чтобы отловить случай проверки if(a==0.0)
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| class HomeWorkUnitTest { | ||
| private val quadraticEquation by lazy { | ||
| QuadraticEquation() |
| discriminant = quadraticEquation.discriminant(a, b, c) | ||
| assertTrue(discriminant < 5) | ||
| assertFalse(discriminant < 4) | ||
| assertTrue(discriminant == 4.0) |
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числа с плавающей точкой так сравнивать нельзя
a == b <=> |a-b| < eps, где eps - это маленькое число
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