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37 lines
1.2 KiB
Swift
37 lines
1.2 KiB
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 SequenceExtensionTests: XCTestCase {}
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extension SequenceExtensionTests {
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func testUniquing() {
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XCTAssertEqual([], (0..<0).uniquing())
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XCTAssertEqual([0, 1, 2, 3, 4], (0..<5).uniquing())
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XCTAssertEqual([0, 1, 2, 3, 4], [0, 1, 2, 3, 4, 0, 1, 2, 3, 4].uniquing())
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XCTAssertEqual([0, 1, 2, 3, 4], [0, 1, 2, 3, 4, 4, 3, 2, 1, 0].uniquing())
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}
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func testUniquingAdjacentElements() {
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XCTAssertEqual([], (0..<0).uniquingAdjacentElements())
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XCTAssertEqual([0, 1, 2, 3, 4], (0..<5).uniquingAdjacentElements())
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XCTAssertEqual(
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[0, 1, 2, 3, 4],
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[0, 0, 1, 1, 1, 1, 2, 3, 3, 3, 4, 4].uniquingAdjacentElements())
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XCTAssertEqual(
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[0, 1, 2, 3, 4, 3, 2, 1, 0],
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[0, 1, 2, 3, 4, 4, 3, 2, 1, 0].uniquingAdjacentElements())
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}
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}
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