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Fixed Jaro-Winkler crash when comparing two single characters

This commit is contained in:
Alexis Bridoux 2021-06-06 13:36:02 +02:00
parent 05ae72ba9e
commit 0dcb48a3cd
2 changed files with 6 additions and 1 deletions
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2
Sources/Scout/Extensions/String+Jaro-Winkler.swift
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@ -38,7 +38,7 @@ private struct JaroWinklerDistance {
self.string1 = string1
self.string2 = string2
maxSpacing = max(string1.count, string2.count) / 2 - 1
maxSpacing = max(0, max(string1.count, string2.count) / 2 - 1)
}
func computeMatches() -> [Int] {

5
Tests/ScoutTests/ExtensionsTests/String+Jaro-WinklerTests.swift
View File

@ -33,4 +33,9 @@ final class String_JaroWinklerTests: XCTestCase {
let result = target.bestJaroWinklerMatchIn(propositions: propositions)
XCTAssertEqual(result, "version")
}
func testMatchSingleCharacters_Equals0() {
let result = "b".jaroWinklerDistance(from: "a")
XCTAssertEqual(result, 0)
}
}