18 lines
555 B
Swift
18 lines
555 B
Swift
import XCTest
|
|
import FuzzySets
|
|
|
|
func XCTAssertApproximatelyEqual(_ v1: Double, _ v2: Double, tolerance: Double = 0.0001) {
|
|
let diff = v1 - v2
|
|
XCTAssert(-tolerance <= diff && diff <= +tolerance)
|
|
}
|
|
|
|
func assertExpectedGrade<E, S: FuzzySet>(element: E, expectedGrade: Grade, sut: S)
|
|
where S.Universe == E {
|
|
let grade1 = sut[element]
|
|
let grade2 = sut.grade(forElement: element)
|
|
|
|
XCTAssertApproximatelyEqual(grade1, grade2)
|
|
XCTAssertApproximatelyEqual(expectedGrade, grade1)
|
|
XCTAssertApproximatelyEqual(expectedGrade, grade2)
|
|
}
|