mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-06 06:58:26 +00:00
f92b9339ee
Summary: The standardized Meta copyright notice is "Copyright (c) Meta Platforms, Inc. and affiliates." and not "Copyright (c) Meta Platforms, Inc. and its affiliates." (Dropping the "its") This diff updates the copyright notice in each source file to the correct this. Reviewed By: willbailey Differential Revision: D44737667 fbshipit-source-id: 643bf36df76723e70d9d826c53cf8f29b8a0c8cc
83 lines
3.2 KiB
Swift
83 lines
3.2 KiB
Swift
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import XCTest
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import IGListDiffKit
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class SwiftClass: ListDiffable {
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let id: Int
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let value: String
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init(id: Int, value: String) {
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self.id = id
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self.value = value
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}
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@objc func diffIdentifier() -> NSObjectProtocol {
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return NSNumber(value: id)
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}
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func isEqual(toDiffableObject object: ListDiffable?) -> Bool {
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guard let object = object as? SwiftClass else { return false }
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return id == object.id && value == object.value
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}
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}
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class IGDiffingSwiftTests: XCTestCase {
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func testDiffingStrings() {
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let o: [NSString] = ["a", "b", "c"]
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let n: [NSString] = ["a", "c", "d"]
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let result = ListDiff(oldArray: o, newArray: n, option: .equality)
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XCTAssertEqual(result.deletes, IndexSet(integer: 1))
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XCTAssertEqual(result.inserts, IndexSet(integer: 2))
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XCTAssertEqual(result.moves.count, 0)
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XCTAssertEqual(result.updates.count, 0)
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}
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func testDiffingNumbers() {
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let o: [NSNumber] = [0, 1, 2]
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let n: [NSNumber] = [0, 2, 4]
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let result = ListDiff(oldArray: o, newArray: n, option: .equality)
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XCTAssertEqual(result.deletes, IndexSet(integer: 1))
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XCTAssertEqual(result.inserts, IndexSet(integer: 2))
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XCTAssertEqual(result.moves.count, 0)
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XCTAssertEqual(result.updates.count, 0)
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}
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func testDiffingSwiftClass() {
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let o = [SwiftClass(id: 0, value: "a"), SwiftClass(id: 1, value: "b"), SwiftClass(id: 2, value: "c")]
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let n = [SwiftClass(id: 0, value: "a"), SwiftClass(id: 2, value: "c"), SwiftClass(id: 4, value: "d")]
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let result = ListDiff(oldArray: o, newArray: n, option: .equality)
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XCTAssertEqual(result.deletes, IndexSet(integer: 1))
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XCTAssertEqual(result.inserts, IndexSet(integer: 2))
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XCTAssertEqual(result.moves.count, 0)
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XCTAssertEqual(result.updates.count, 0)
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}
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func testDiffingSwiftClassPointerComparison() {
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let o = [SwiftClass(id: 0, value: "a"), SwiftClass(id: 1, value: "b"), SwiftClass(id: 2, value: "c")]
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let n = [SwiftClass(id: 0, value: "a"), SwiftClass(id: 2, value: "c"), SwiftClass(id: 4, value: "d")]
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let result = ListDiff(oldArray: o, newArray: n, option: .pointerPersonality)
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XCTAssertEqual(result.deletes, IndexSet(integer: 1))
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XCTAssertEqual(result.inserts, IndexSet(integer: 2))
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XCTAssertEqual(result.moves.count, 0)
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XCTAssertEqual(result.updates.count, 2)
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}
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func testDiffingSwiftClassWithUpdates() {
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let o = [SwiftClass(id: 0, value: "a"), SwiftClass(id: 1, value: "b"), SwiftClass(id: 2, value: "c")]
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let n = [SwiftClass(id: 0, value: "b"), SwiftClass(id: 1, value: "b"), SwiftClass(id: 2, value: "b")]
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let result = ListDiff(oldArray: o, newArray: n, option: .equality)
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XCTAssertEqual(result.deletes.count, 0)
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XCTAssertEqual(result.inserts.count, 0)
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XCTAssertEqual(result.moves.count, 0)
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XCTAssertEqual(result.updates.count, 2)
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}
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}
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