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33 lines
1.2 KiB
Swift
33 lines
1.2 KiB
Swift
//===----------------------------------------------------------*- swift -*-===//
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//
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// This source file is part of the Swift Argument Parser open source project
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//
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// Copyright (c) 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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//
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//===----------------------------------------------------------------------===//
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import XCTest
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@testable import ArgumentParser
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final class StringEditDistanceTests: XCTestCase {}
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extension StringEditDistanceTests {
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func testStringEditDistance() {
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XCTAssertEqual("".editDistance(to: ""), 0)
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XCTAssertEqual("".editDistance(to: "foo"), 3)
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XCTAssertEqual("foo".editDistance(to: ""), 3)
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XCTAssertEqual("foo".editDistance(to: "bar"), 3)
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XCTAssertEqual("bar".editDistance(to: "foo"), 3)
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XCTAssertEqual("bar".editDistance(to: "baz"), 1)
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XCTAssertEqual("baz".editDistance(to: "bar"), 1)
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XCTAssertEqual("friend".editDistance(to: "fresh"), 3)
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XCTAssertEqual("friend".editDistance(to: "friend"), 0)
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XCTAssertEqual("friend".editDistance(to: "fried"), 1)
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XCTAssertEqual("friend".editDistance(to: "friendly"), 2)
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XCTAssertEqual("friendly".editDistance(to: "friend"), 2)
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}
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}
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