|
| 1 | +// |
| 2 | +// MIT License |
| 3 | +// |
| 4 | +// Copyright (c) 2024 Connor Ricks |
| 5 | +// |
| 6 | +// Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | +// of this software and associated documentation files (the "Software"), to deal |
| 8 | +// in the Software without restriction, including without limitation the rights |
| 9 | +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | +// copies of the Software, and to permit persons to whom the Software is |
| 11 | +// furnished to do so, subject to the following conditions: |
| 12 | +// |
| 13 | +// The above copyright notice and this permission notice shall be included in all |
| 14 | +// copies or substantial portions of the Software. |
| 15 | +// |
| 16 | +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | +// SOFTWARE. |
| 23 | + |
| 24 | +@testable import StateBinding |
| 25 | +import ConcurrencyExtras |
| 26 | +import SwiftUI |
| 27 | +import XCTest |
| 28 | + |
| 29 | +@MainActor |
| 30 | +class StateBindingTests: XCTestCase { |
| 31 | + func test_stateBinding_whenProvidedExternalBinding_doesUseExternalBinding() async { |
| 32 | + let getterExpectation = expectation(description: "Expected binding getter.") |
| 33 | + getterExpectation.expectedFulfillmentCount = 3 |
| 34 | + |
| 35 | + let setterExpectation = expectation(description: "Expected binding setter.") |
| 36 | + setterExpectation.expectedFulfillmentCount = 2 |
| 37 | + |
| 38 | + let count = LockIsolated(0) |
| 39 | + let binding = Binding( |
| 40 | + get: { |
| 41 | + getterExpectation.fulfill() |
| 42 | + return count.value |
| 43 | + }, |
| 44 | + set: { |
| 45 | + setterExpectation.fulfill() |
| 46 | + count.setValue($0) |
| 47 | + } |
| 48 | + ) |
| 49 | + @StateBinding var counter = 5 |
| 50 | + _counter.externalBinding = binding |
| 51 | + binding.wrappedValue = 10 |
| 52 | + XCTAssertEqual(counter, 10) |
| 53 | + |
| 54 | + counter = 15 |
| 55 | + XCTAssertEqual(counter, 15) |
| 56 | + |
| 57 | + await fulfillment(of: [setterExpectation, getterExpectation], enforceOrder: false) |
| 58 | + } |
| 59 | +} |
0 commit comments