| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| import XCTest |
| @testable import Runner |
| |
| class MockMultipleArityHostApi: MultipleArityHostApi { |
| func subtract(x: Int32, y: Int32) -> Int32 { |
| return x - y |
| } |
| } |
| |
| class MultipleArityTests: XCTestCase { |
| var codec = FlutterStandardMessageCodec.sharedInstance() |
| func testSimpleHost() throws { |
| let binaryMessenger = MockBinaryMessenger<Int32>(codec: EnumApi2HostCodec.shared) |
| MultipleArityHostApiSetup.setUp(binaryMessenger: binaryMessenger, api: MockMultipleArityHostApi()) |
| let channelName = "dev.flutter.pigeon.MultipleArityHostApi.subtract" |
| XCTAssertNotNil(binaryMessenger.handlers[channelName]) |
| |
| let inputX = 10 |
| let inputY = 7 |
| let inputEncoded = binaryMessenger.codec.encode([inputX, inputY]) |
| |
| let expectation = XCTestExpectation(description: "subtraction") |
| binaryMessenger.handlers[channelName]?(inputEncoded) { data in |
| let outputMap = binaryMessenger.codec.decode(data) as? [String: Any] |
| XCTAssertNotNil(outputMap) |
| |
| let output = outputMap!["result"] as? Int32 |
| XCTAssertEqual(3, output) |
| XCTAssertNil(outputMap?["error"]) |
| expectation.fulfill() |
| } |
| wait(for: [expectation], timeout: 1.0) |
| } |
| |
| func testSimpleFlutter() throws { |
| let binaryMessenger = HandlerBinaryMessenger(codec: codec) { args in |
| return (args[0] as! Int) - (args[1] as! Int) |
| } |
| let api = MultipleArityFlutterApi(binaryMessenger: binaryMessenger) |
| |
| let expectation = XCTestExpectation(description: "subtraction") |
| api.subtract(x: 30, y: 10) { result in |
| XCTAssertEqual(20, result) |
| expectation.fulfill() |
| } |
| wait(for: [expectation], timeout: 1.0) |
| } |
| |
| } |
