107 lines
3.2 KiB
Swift
107 lines
3.2 KiB
Swift
/*
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* Copyright 2022 The Yorkie Authors. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import XCTest
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@testable import Yorkie
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class TestCRDTElement: CRDTElement {
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var createdAt: TimeTicket
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var movedAt: TimeTicket?
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var removedAt: TimeTicket?
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init(createdAt: TimeTicket) {
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self.createdAt = createdAt
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}
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func toJSON() -> String { "" }
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func toSortedJSON() -> String { "" }
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func deepcopy() -> CRDTElement { self }
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}
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class TestCRDTElementTests: XCTestCase {
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func test_can_set_smaller_movedAt() {
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let small = TimeTicket.initial
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let big = TimeTicket.max
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let target = TestCRDTElement(createdAt: big)
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let movedResult = target.setMovedAt(small)
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XCTAssertEqual(movedResult, true)
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XCTAssertTrue(target.movedAt == small)
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}
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func test_can_set_bigger_movedAt_when_movedAt_is_nil() {
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let small = TimeTicket.initial
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let big = TimeTicket.max
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let target = TestCRDTElement(createdAt: small)
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let movedResult = target.setMovedAt(big)
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XCTAssertEqual(movedResult, true)
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XCTAssertTrue(target.movedAt == big)
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}
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func test_can_not_set_bigger_movedAt_when_movedAt_is_non_nil() {
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let small = TimeTicket.initial
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let big = TimeTicket.max
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let target = TestCRDTElement(createdAt: small)
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target.setMovedAt(big)
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let timeTicket = TimeTicket(lamport: 10, delimiter: 10, actorID: ActorIDs.initial)
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let movedResult = target.setMovedAt(timeTicket)
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XCTAssertEqual(movedResult, false)
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XCTAssertTrue(target.movedAt! > small)
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}
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func test_can_not_remove_when_nil() {
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let target = TestCRDTElement(createdAt: TimeTicket.initial)
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XCTAssertEqual(target.remove(nil), false)
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}
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func test_can_not_remove_when_removeAt_is_before_createdAt() {
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let target = TestCRDTElement(createdAt: TimeTicket.max)
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XCTAssertEqual(target.remove(TimeTicket.initial), false)
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}
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func test_can_remove_when_current_removeAt_is_nil() {
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let target = TestCRDTElement(createdAt: TimeTicket.initial)
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XCTAssertEqual(target.remove(TimeTicket.max), true)
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}
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func test_can_remove_when_current_removeAt_is_not_nil_and_samll() {
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let target = TestCRDTElement(createdAt: TimeTicket.initial)
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target.removedAt = TimeTicket.initial
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XCTAssertEqual(target.remove(TimeTicket.max), true)
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}
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func test_can_not_remove_when_current_removeAt_is_not_nil_and_big() {
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let target = TestCRDTElement(createdAt: TimeTicket.initial)
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target.removedAt = TimeTicket.max
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let timeTicket = TimeTicket(lamport: 10, delimiter: 10, actorID: ActorIDs.initial)
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XCTAssertEqual(target.remove(timeTicket), false)
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}
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}
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