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How to use ChangedTargetEventHandler method of PuppeteerSharp.Tests.TargetTests.TargetTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.TargetTests.TargetTests.ChangedTargetEventHandler

TargetTests.cs

Source:TargetTests.cs

...100        public async Task ShouldReportWhenATargetUrlChanges()101        {102            await Page.GoToAsync(TestConstants.EmptyPage);103            var changedTargetTaskCompletion = new TaskCompletionSource<Target>();104            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)105            {106                changedTargetTaskCompletion.SetResult(e.Target);107                Browser.TargetChanged -= ChangedTargetEventHandler;108            }109            Browser.TargetChanged += ChangedTargetEventHandler;110            await Page.GoToAsync(TestConstants.CrossProcessUrl + "/");111            var changedTarget = await changedTargetTaskCompletion.Task;112            Assert.Equal(TestConstants.CrossProcessUrl + "/", changedTarget.Url);113            changedTargetTaskCompletion = new TaskCompletionSource<Target>();114            Browser.TargetChanged += ChangedTargetEventHandler;115            await Page.GoToAsync(TestConstants.EmptyPage);116            changedTarget = await changedTargetTaskCompletion.Task;117            Assert.Equal(TestConstants.EmptyPage, changedTarget.Url);118        }119        [Fact]120        public async Task ShouldNotReportUninitializedPages()121        {122            var targetChanged = false;123            EventHandler<TargetChangedArgs> listener = (sender, e) => targetChanged = true;124            Browser.TargetChanged += listener;125            var targetCompletionTask = new TaskCompletionSource<Target>();126            void TargetCreatedEventHandler(object sender, TargetChangedArgs e)127            {128                targetCompletionTask.SetResult(e.Target);...

ChangedTargetEventHandler

Using AI Code Generation

1{2    using System;3    using System.Threading.Tasks;4    using Xunit;5    using Xunit.Abstractions;6    [Collection("PuppeteerLoaderFixture collection")]7    {8        public TargetTests(ITestOutputHelper output) : base(output)9        {10        }11        public async Task ShouldFireEventsInProperOrder()12        {13            var events = new System.Collections.Generic.List<string>();14            Page.Target.TargetCreated += (sender, e) => events.Add("CREATED");15            Page.Target.TargetChanged += (sender, e) => events.Add("CHANGED");16            Page.Target.TargetDestroyed += (sender, e) => events.Add("DESTROYED");17            await Page.GoToAsync(TestConstants.EmptyPage);18            Assert.Equal(new[] { "CREATED", "CHANGED" }, events);19        }20        public async Task ShouldReportAllTargetsFromBrowserContextWhenBrowserIsLaunched()21        {22            using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))23            {24                var context = await browser.CreateIncognitoBrowserContextAsync();25                var page = await context.NewPageAsync();26                Assert.Equal(2, browser.Targets.Length);27                Assert.Equal(2, context.Targets.Length);28                Assert.Equal(page.Target, context.Targets[0]);29                Assert.Equal(browser.Targets[1], context.Targets[1]);30            }31        }32        public async Task ShouldReportAllTargetsFromBrowserContextWhenBrowserIsConnected()33        {34            using (var browserServer = await Puppeteer.LaunchServerAsync(TestConstants.DefaultBrowserOptions()))35            {36                using (var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = browserServer.WebSocketEndpoint }))37                {38                    var context = await browser.CreateIncognitoBrowserContextAsync();39                    var page = await context.NewPageAsync();40                    Assert.Equal(2, browser.Targets.Length);41                    Assert.Equal(2, context.Targets.Length);42                    Assert.Equal(page.Target, context.Targets[0]);43                    Assert.Equal(browser.Targets[1], context.Targets[1]);44                }45            }46        }47        public async Task ShouldReportAllTargetsFromBrowserContextWhenIncognitoBrowserContextIsCreated()48        {49            using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))

ChangedTargetEventHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using PuppeteerSharp;6using Xunit;7using Xunit.Abstractions;8{9    [Collection("PuppeteerLoaderFixture collection")]10    {11        public TargetTests(ITestOutputHelper output) : base(output)12        {13        }14        public async Task TargetTestsChangedTargetEventHandler()15        {16            await Page.GoToAsync(TestConstants.EmptyPage);17            var otherPage = await Context.NewPageAsync();18            Assert.Equal(2, Context.Pages.Length);19            var otherPageTarget = otherPage.Target;20            var newPageTarget = default(Target);21            void TargetChangedEventHandler(object sender, TargetChangedArgs e)22            {23                if (e.Target == otherPageTarget)24                {25                    newPageTarget = e.Target;26                }27            }28            Context.TargetChanged += TargetChangedEventHandler;29            await otherPage.CloseAsync();30            Assert.Equal(1, Context.Pages.Length);31            Assert.Equal(newPageTarget, otherPageTarget);32            Context.TargetChanged -= TargetChangedEventHandler;33        }34    }35}

ChangedTargetEventHandler

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var browser = Puppeteer.LaunchAsync(new LaunchOptions12            {13                Args = new string[] { "--no-sandbox" }14            }).Result;15            var page = browser.NewPageAsync().Result;16            page.Target.ChangedTargetEventHandler += Target_ChangedTargetEventHandler;17            Console.WriteLine("Press any key to exit");18            Console.ReadKey();19        }20        private static void Target_ChangedTargetEventHandler(object sender, TargetChangedArgs e)21        {22            Console.WriteLine("Target Changed");23        }24    }25}26using PuppeteerSharp;27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            var browser = Puppeteer.LaunchAsync(new LaunchOptions37            {38                Args = new string[] { "--no-sandbox" }39            }).Result;40            var page = browser.NewPageAsync().Result;41            page.Target.ChangedTargetEventHandler += Target_ChangedTargetEventHandler;42            Console.WriteLine("Press any key to exit");43            Console.ReadKey();44        }45        private static void Target_ChangedTargetEventHandler(object sender, TargetChangedArgs e)46        {47            Console.WriteLine("Target Changed");48        }49    }50}51using PuppeteerSharp;52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57{58    {59        static void Main(string[] args)60        {61            var browser = Puppeteer.LaunchAsync(new LaunchOptions62            {63                Args = new string[] { "--no-sandbox" }64            }).Result;

ChangedTargetEventHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests.Attributes;4using Xunit;5using Xunit.Abstractions;6{7    [Collection(TestConstants.TestFixtureCollectionName)]8    {9        public TargetTests(ITestOutputHelper output) : base(output)10        {11        }12        [PuppeteerTest("target.spec.ts", "TargetTests", "should fire targetchanged event")]13        public async Task ShouldFireTargetChangedEvent()14        {15            var targetChangedTask = Page.WaitForTargetChangedAsync();16            await Task.WhenAll(17                Page.EvaluateFunctionAsync(@"() => {18                    const iframe = document.createElement('iframe');19                    document.body.appendChild(iframe);20                    return new Promise(x => iframe.onload = x);21                }")22            );23            var target = targetChangedTask.Result;24            Assert.Equal(TargetType.Frame, target.Type);25            Assert.NotNull(target.Page);26        }27    }28}29using System;30using System.Threading.Tasks;31using PuppeteerSharp.Tests.Attributes;32using Xunit;33using Xunit.Abstractions;34{35    [Collection(TestConstants.TestFixtureCollectionName)]36    {37        public TargetTests(ITestOutputHelper output) : base(output)38        {39        }40        [PuppeteerTest("target.spec.ts", "TargetTests", "should fire targetchanged event")]41        public async Task ShouldFireTargetChangedEvent()42        {43            var targetChangedTask = Page.WaitForTargetChangedAsync();44            await Task.WhenAll(45                Page.EvaluateFunctionAsync(@"() => {46                    const iframe = document.createElement('iframe');47                    document.body.appendChild(iframe);48                    return new Promise(x => iframe.onload = x);49                }")50            );51            var target = targetChangedTask.Result;52            Assert.Equal(TargetType.Frame, target.Type);53            Assert.NotNull(target.Page);54        }55    }56}57using System;58using System.Threading.Tasks;

ChangedTargetEventHandler

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5{6    {7        public async Task ChangedTargetEventHandlerMethod()8        {9            var options = TestConstants.DefaultBrowserOptions();10            options.Headless = false;11            using (var browser = await Puppeteer.LaunchAsync(options))12            using (var page = await browser.NewPageAsync())13            {14                var target = await browser.WaitForTargetAsync(async () =>15                {16                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.EmptyPage);17                });18                var newTarget = await browser.WaitForTargetAsync(async () =>19                {20                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");21                });22                var newTarget2 = await browser.WaitForTargetAsync(async () =>23                {24                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");25                });26                var newTarget3 = await browser.WaitForTargetAsync(async () =>27                {28                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");29                });30                var newTarget4 = await browser.WaitForTargetAsync(async () =>31                {32                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");33                });34                var newTarget5 = await browser.WaitForTargetAsync(async () =>35                {36                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");37                });38                var newTarget6 = await browser.WaitForTargetAsync(async () =>39                {40                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");41                });42                var newTarget7 = await browser.WaitForTargetAsync(async () =>43                {44                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");45                });46                var newTarget8 = await browser.WaitForTargetAsync(async () =>47                {48                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");49                });50                var newTarget9 = await browser.WaitForTargetAsync(async () =>51                {

ChangedTargetEventHandler

Using AI Code Generation

1using PuppeteerSharp.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9    [Collection(TestConstants.TestFixtureCollectionName)]10    {11        public TargetTests(ITestOutputHelper output) : base(output)12        {13        }14        public async Task TargetTests_ChangedTargetEventHandler()15        {16            var newPageTask = TargetChangedTask(Page.Target.CreateCDPSessionAsync);17            var newPage = await newPageTask;18            Assert.NotNull(newPage);19            Assert.NotEqual(Page, newPage);20        }21        private async Task<Page> TargetChangedTask(Func<Task<CDPSession>> task)22        {23            Page newPage = null;24            Browser.TargetChanged += (sender, e) =>25            {26                if (e.Target.Type == TargetType.Page)27                {28                    newPage = e.Target.Page;29                }30            };31            await task();32            return newPage;33        }34    }35}36using PuppeteerSharp.Tests;37using System;38using System.Collections.Generic;39using System.Text;40using System.Threading.Tasks;41using Xunit;42using Xunit.Abstractions;43{44    [Collection(TestConstants.TestFixtureCollectionName)]45    {46        public TargetTests(ITestOutputHelper output) : base(output)47        {48        }49        public async Task TargetTests_ChangedTargetEventHandler()50        {51            var newPageTask = TargetChangedTask(Page.Target.CreateCDPSessionAsync);52            var newPage = await newPageTask;53            Assert.NotNull(newPage);54            Assert.NotEqual(Page, newPage);55        }56        private async Task<Page> TargetChangedTask(Func<Task<CDPSession>> task)57        {58            Page newPage = null;59            Browser.TargetChanged += (sender, e) =>60            {61                if (e.Target.Type == TargetType.Page)62                {63                    newPage = e.Target.Page;64                }65            };66            await task();67            return newPage;68        }69    }70}

ChangedTargetEventHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    [Collection(TestConstants.TestFixtureCollectionName)]7    {8        public TargetTests(ITestOutputHelper output) : base(output)9        {10        }11        public async Task ShouldFireTargetChangedEvents()12        {13            var (targetChangedCalled, targetInfo) = await TargetChanged();14            Assert.NotNull(targetInfo);15            Assert.True(targetChangedCalled);16        }17        private async Task<(bool, TargetInfo)> TargetChanged()18        {19            var targetChangedCalled = false;20            TargetInfo targetInfo = null;21            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)22            {23                targetChangedCalled = true;24                targetInfo = e.TargetInfo;25            }26            Page.TargetChanged += ChangedTargetEventHandler;27            await Page.GoToAsync(TestConstants.EmptyPage);28            Page.TargetChanged -= ChangedTargetEventHandler;29            return (targetChangedCalled, targetInfo);30        }31    }32}33using System;34using System.Threading.Tasks;35using Xunit;36using Xunit.Abstractions;37{38    [Collection(TestConstants.TestFixtureCollectionName)]39    {40        public TargetTests(ITestOutputHelper output) : base(output)41        {42        }43        public async Task ShouldFireTargetCreatedEvents()44        {45            var (targetChangedCalled, targetInfo) = await TargetCreated();46            Assert.NotNull(targetInfo);47            Assert.True(targetChangedCalled);48        }49        private async Task<(bool, TargetInfo)> TargetCreated()50        {51            var targetChangedCalled = false;52            TargetInfo targetInfo = null;53            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)54            {55                targetChangedCalled = true;56                targetInfo = e.TargetInfo;57            }58            Page.TargetCreated += ChangedTargetEventHandler;59            await Page.GoToAsync(TestConstants.EmptyPage);60            Page.TargetCreated -= ChangedTargetEventHandler;61            return (targetChangedCalled, targetInfo);62        }63    }64}

ChangedTargetEventHandler

Using AI Code Generation

1await Task.WhenAll(2    Page.WaitForTargetAsync(x => x.Url == "about:blank"),3    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")4);5await Task.WhenAll(6    Page.WaitForTargetAsync(x => x.Url == "about:blank"),7    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")8);9await Task.WhenAll(10    Page.WaitForTargetAsync(x => x.Url == "about:blank"),11    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")12);13await Task.WhenAll(14    Page.WaitForTargetAsync(x => x.Url == "about:blank"),15    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")16);17await Task.WhenAll(18    Page.WaitForTargetAsync(x => x.Url == "about:blank"),19    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")20);21await Task.WhenAll(22    Page.WaitForTargetAsync(x => x.Url == "about:blank"),23    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")24);25await Task.WhenAll(26    Page.WaitForTargetAsync(x => x.Url == "about:blank"),27    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")28);29await Task.WhenAll(30    Page.WaitForTargetAsync(x => x.Url == "about:blank"),31    Page.EvaluateFunctionAsync("url => window.open(url)", "about:blank")32);

ChangedTargetEventHandler

Using AI Code Generation

1public class 4.cs {2    public static void Main(string[] args) {3        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;4    }5}6public class 5.cs {7    public static void Main(string[] args) {8        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;9    }10}11public class 6.cs {12    public static void Main(string[] args) {13        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;14    }15}16public class 7.cs {17    public static void Main(string[] args) {18        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;19    }20}21public class 8.cs {22    public static void Main(string[] args) {23        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;24    }25}26public class 9.cs {27    public static void Main(string[] args) {28        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;29    }30}31public class 10.cs {32    public static void Main(string[] args) {33        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;34    }35}36public class 11.cs {37    public static void Main(string[] args) {38        var changedTargetEventHandler = new PuppeteerSharp.Tests.TargetTests.TargetTests().ChangedTargetEventHandler;39    }40}41                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");42                });43                var newTarget6 = await browser.WaitForTargetAsync(async () =>44                {45                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");46                });47                var newTarget7 = await browser.WaitForTargetAsync(async () =>48                {49                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");50                });51                var newTarget8 = await browser.WaitForTargetAsync(async () =>52                {53                    await page.EvaluateFunctionHandleAsync("url => window.open(url)", TestConstants.ServerUrl + "/popup/popup.html");54                });55                var newTarget9 = await browser.WaitForTargetAsync(async () =>56                {

ChangedTargetEventHandler

Using AI Code Generation

1using PuppeteerSharp.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9    [Collection(TestConstants.TestFixtureCollectionName)]10    {11        public TargetTests(ITestOutputHelper output) : base(output)12        {13        }14        public async Task TargetTests_ChangedTargetEventHandler()15        {16            var newPageTask = TargetChangedTask(Page.Target.CreateCDPSessionAsync);17            var newPage = await newPageTask;18            Assert.NotNull(newPage);19            Assert.NotEqual(Page, newPage);20        }21        private async Task<Page> TargetChangedTask(Func<Task<CDPSession>> task)22        {23            Page newPage = null;24            Browser.TargetChanged += (sender, e) =>25            {26                if (e.Target.Type == TargetType.Page)27                {28                    newPage = e.Target.Page;29                }30            };31            await task();32            return newPage;33        }34    }35}36using PuppeteerSharp.Tests;37using System;38using System.Collections.Generic;39using System.Text;40using System.Threading.Tasks;41using Xunit;42using Xunit.Abstractions;43{44    [Collection(TestConstants.TestFixtureCollectionName)]45    {46        public TargetTests(ITestOutputHelper output) : base(output)47        {48        }49        public async Task TargetTests_ChangedTargetEventHandler()50        {51            var newPageTask = TargetChangedTask(Page.Target.CreateCDPSessionAsync);52            var newPage = await newPageTask;53            Assert.NotNull(newPage);54            Assert.NotEqual(Page, newPage);55        }56        private async Task<Page> TargetChangedTask(Func<Task<CDPSession>> task)57        {58            Page newPage = null;59            Browser.TargetChanged += (sender, e) =>60            {61                if (e.Target.Type == TargetType.Page)62                {63                    newPage = e.Target.Page;64                }65            };66            await task();67            return newPage;68        }69    }70}

ChangedTargetEventHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    [Collection(TestConstants.TestFixtureCollectionName)]7    {8        public TargetTests(ITestOutputHelper output) : base(output)9        {10        }11        public async Task ShouldFireTargetChangedEvents()12        {13            var (targetChangedCalled, targetInfo) = await TargetChanged();14            Assert.NotNull(targetInfo);15            Assert.True(targetChangedCalled);16        }17        private async Task<(bool, TargetInfo)> TargetChanged()18        {19            var targetChangedCalled = false;20            TargetInfo targetInfo = null;21            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)22            {23                targetChangedCalled = true;24                targetInfo = e.TargetInfo;25            }26            Page.TargetChanged += ChangedTargetEventHandler;27            await Page.GoToAsync(TestConstants.EmptyPage);28            Page.TargetChanged -= ChangedTargetEventHandler;29            return (targetChangedCalled, targetInfo);30        }31    }32}33using System;34using System.Threading.Tasks;35using Xunit;36using Xunit.Abstractions;37{38    [Collection(TestConstants.TestFixtureCollectionName)]39    {40        public TargetTests(ITestOutputHelper output) : base(output)41        {42        }43        public async Task ShouldFireTargetCreatedEvents()44        {45            var (targetChangedCalled, targetInfo) = await TargetCreated();46            Assert.NotNull(targetInfo);47            Assert.True(targetChangedCalled);48        }49        private async Task<(bool, TargetInfo)> TargetCreated()50        {51            var targetChangedCalled = false;52            TargetInfo targetInfo = null;53            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)54            {55                targetChangedCalled = true;56                targetInfo = e.TargetInfo;57            }58            Page.TargetCreated += ChangedTargetEventHandler;59            await Page.GoToAsync(TestConstants.EmptyPage);60            Page.TargetCreated -= ChangedTargetEventHandler;61            return (targetChangedCalled, targetInfo);62        }63    }64}65            Page newPage = null;66            Browser.TargetChanged += (sender, e) =>67            {68                if (e.Target.Type == TargetType.Page)69                {70                    newPage = e.Target.Page;71                }72            };73            await task();74            return newPage;75        }76    }77}78using PuppeteerSharp.Tests;79using System;80using System.Collections.Generic;81using System.Text;82using System.Threading.Tasks;83using Xunit;84using Xunit.Abstractions;85{86    [Collection(TestConstants.TestFixtureCollectionName)]87    {88        public TargetTests(ITestOutputHelper output) : base(output)89        {90        }91        public async Task TargetTests_ChangedTargetEventHandler()92        {93            var newPageTask = TargetChangedTask(Page.Target.CreateCDPSessionAsync);94            var newPage = await newPageTask;95            Assert.NotNull(newPage);96            Assert.NotEqual(Page, newPage);97        }98        private async Task<Page> TargetChangedTask(Func<Task<CDPSession>> task)99        {100            Page newPage = null;101            Browser.TargetChanged += (sender, e) =>102            {103                if (e.Target.Type == TargetType.Page)104                {105                    newPage = e.Target.Page;106                }107            };108            await task();109            return newPage;110        }111    }112}

ChangedTargetEventHandler

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    [Collection(TestConstants.TestFixtureCollectionName)]7    {8        public TargetTests(ITestOutputHelper output) : base(output)9        {10        }11        public async Task ShouldFireTargetChangedEvents()12        {13            var (targetChangedCalled, targetInfo) = await TargetChanged();14            Assert.NotNull(targetInfo);15            Assert.True(targetChangedCalled);16        }17        private async Task<(bool, TargetInfo)> TargetChanged()18        {19            var targetChangedCalled = false;20            TargetInfo targetInfo = null;21            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)22            {23                targetChangedCalled = true;24                targetInfo = e.TargetInfo;25            }26            Page.TargetChanged += ChangedTargetEventHandler;27            await Page.GoToAsync(TestConstants.EmptyPage);28            Page.TargetChanged -= ChangedTargetEventHandler;29            return (targetChangedCalled, targetInfo);30        }31    }32}33using System;34using System.Threading.Tasks;35using Xunit;36using Xunit.Abstractions;37{38    [Collection(TestConstants.TestFixtureCollectionName)]39    {40        public TargetTests(ITestOutputHelper output) : base(output)41        {42        }43        public async Task ShouldFireTargetCreatedEvents()44        {45            var (targetChangedCalled, targetInfo) = await TargetCreated();46            Assert.NotNull(targetInfo);47            Assert.True(targetChangedCalled);48        }49        private async Task<(bool, TargetInfo)> TargetCreated()50        {51            var targetChangedCalled = false;52            TargetInfo targetInfo = null;53            void ChangedTargetEventHandler(object sender, TargetChangedArgs e)54            {55                targetChangedCalled = true;56                targetInfo = e.TargetInfo;57            }58            Page.TargetCreated += ChangedTargetEventHandler;59            await Page.GoToAsync(TestConstants.EmptyPage);60            Page.TargetCreated -= ChangedTargetEventHandler;61            return (targetChangedCalled, targetInfo);62        }63    }64}

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