[Live Now] Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Join for FREE! Join TestMu Conference

How to use ShouldThrowWhenPageCrashes method of PuppeteerSharp.Tests.PageTests.PageEventsErrorTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.PageTests.PageEventsErrorTests.ShouldThrowWhenPageCrashes

PageEventsErrorTests.cs

Source:PageEventsErrorTests.cs

...15        {16        }17        [PuppeteerTest("page.spec.ts", "Page.Events.Error", "should throw when page crashes")]18        [SkipBrowserFact(skipFirefox: true)]19        public async Task ShouldThrowWhenPageCrashes()20        {21            string error = null;22            Page.Error += (_, e) => error = e.Error;23            var gotoTask = Page.GoToAsync("chrome://crash");24            await WaitForError();25            Assert.Equal("Page crashed!", error);26        }27    }28}...

ShouldThrowWhenPageCrashes

Using AI Code Generation

1using System.Threading.Tasks;2using Xunit;3using Xunit.Abstractions;4{5    [Collection("PuppeteerLoaderFixture collection")]6    {7        public PageEventsErrorTests(ITestOutputHelper output) : base(output)8        {9        }10        public async Task ShouldThrowWhenPageCrashes()11        {12            await Page.GoToAsync(TestConstants.AboutBlank);13            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () =>14            {15                await Task.WhenAll(16                    Page.CloseAsync(),17                    Page.EvaluateExpressionAsync("1 + 1")18                );19            });20            Assert.Contains("Protocol error", exception.Message);21        }22    }23}24using System.Threading.Tasks;25using Xunit;26using Xunit.Abstractions;27{28    [Collection("PuppeteerLoaderFixture collection")]29    {30        public PageEventsErrorTests(ITestOutputHelper output) : base(output)31        {32        }33        public async Task ShouldWork()34        {35            await Page.GoToAsync(TestConstants.AboutBlank);36            await Page.CloseAsync();37            await Page.EvaluateExpressionAsync("7 * 8");38        }39    }40}41using System.Threading.Tasks;42using Xunit;43using Xunit.Abstractions;44{45    [Collection("PuppeteerLoaderFixture collection")]46    {47        public PageEventsErrorTests(ITestOutputHelper output) : base(output)48        {49        }50        public async Task ShouldWorkAfterNavigation()51        {52            await Page.GoToAsync(TestConstants.AboutBlank);53            await Page.CloseAsync();54            await Page.GoToAsync(TestConstants.AboutBlank);55            await Page.EvaluateExpressionAsync("7 * 8");56        }57    }58}59using System.Threading.Tasks;60using Xunit;61using Xunit.Abstractions;

ShouldThrowWhenPageCrashes

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Xunit;4using Xunit.Abstractions;5{6    [Collection("PuppeteerLoaderFixture collection")]7    {8        public PageEventsErrorTests(ITestOutputHelper output) : base(output)9        {10        }11        public async Task ShouldThrowWhenPageCrashes()12        {13            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");14            var crashed = false;15            Page.Crashed += (_, _) => crashed = true;16            await Page.EvaluateFunctionAsync(@"() => {17                function crash() {18                    window['eval']('crash()');19                }20                setTimeout(crash, 0);21            }");22            Assert.True(crashed);23        }24    }25}

ShouldThrowWhenPageCrashes

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Xunit;6{7    [Collection("PuppeteerLoaderFixture collection")]8    {9        public async Task ShouldThrowWhenPageCrashes()10        {11            var crashed = false;12            Page.Crashed += (sender, e) => crashed = true;13            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () =>14            {15                await Page.GoToAsync(TestConstants.ServerUrl + "/crash");16            });17            Assert.Contains("net::ERR_ABORTED", exception.Message);18            Assert.True(crashed);19        }20    }21}22using System;23using System.Collections.Generic;24using System.Text;25using System.Threading.Tasks;26using Xunit;27{28    [Collection("PuppeteerLoaderFixture collection")]29    {30        public async Task ShouldThrowWhenPageCrashes()31        {32            var crashed = false;33            Page.Crashed += (sender, e) => crashed = true;34            var exception = await Assert.ThrowsAsync<TargetClosedException>(async () =>35            {36                await Page.GoToAsync(TestConstants.ServerUrl + "/crash");37            });38            Assert.Contains("net::ERR_ABORTED", exception.Message);39            Assert.True(crashed);40        }41    }42}43using System;44using System.Collections.Generic;45using System.Text;46using System.Threading.Tasks;47using Xunit;48{49    [Collection("PuppeteerLoaderFixture collection")]50    {51        public async Task ShouldThrowWhenPageCrashes()52        {53            var crashed = false;54            Page.Crashed += (sender, e) => crashed = true;55            var exception = await Assert.ThrowsAsync<TargetClosedException>(async ()

ShouldThrowWhenPageCrashes

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Tests.Attributes;5using PuppeteerSharp.Tests.PageTests;6using Xunit;7using Xunit.Abstractions;8{9    {10        public PageEventsErrorTests(ITestOutputHelper output) : base(output)11        {12        }13        [PuppeteerTest("page.spec.ts", "Page.Events.Error", "should throw when page crashes")]14        public async Task ShouldThrowWhenPageCrashes()15        {16            await Page.GoToAsync(TestConstants.ServerUrl + "/grid.html");17            var crashButton = await Page.QuerySelectorAsync("#crash-button");18            var exceptionTask = Assert.ThrowsAsync<Exception>(() => Page.EvaluateFunctionAsync("() => crashButton.click()"));19            await crashButton.ClickAsync();20            var exceptionMessage = (await exceptionTask).Message;21            Assert.Contains("crashButton", exceptionMessage);22        }23    }24}

ShouldThrowWhenPageCrashes

Using AI Code Generation

1using PuppeteerSharp.Tests.Attributes;2using System;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7    [Collection("PuppeteerLoaderFixture collection")]8    {9        public PageEventsErrorTests(ITestOutputHelper output) : base(output)10        {11        }12        [PuppeteerTest("page.spec.ts", "Page.Events.PageError", "should throw when page crashes")]13        public async Task ShouldThrowWhenPageCrashes()14        {15            Server.SetRoute("/empty.html", context => Task.Delay(10000));16            var page = await Browser.NewPageAsync();17            var exception = await Assert.ThrowsAsync<Exception>(() => page.GoToAsync(TestConstants.EmptyPage));18            Assert.Contains("Protocol error", exception.Message);19        }20    }21}22using PuppeteerSharp.Tests.Attributes;23using System;24using System.Threading.Tasks;25using Xunit;26using Xunit.Abstractions;27{28    [Collection("PuppeteerLoaderFixture collection")]29    {30        public PageEventsErrorTests(ITestOutputHelper output) : base(output)31        {32        }33        [PuppeteerTest("page.spec.ts", "Page.Events.PageError", "should throw when page crashes")]34        public async Task ShouldThrowWhenPageCrashes()35        {36            Server.SetRoute("/empty.html", context => Task.Delay(10000));37            var page = await Browser.NewPageAsync();38            var exception = await Assert.ThrowsAsync<Exception>(() => page.GoToAsync(TestConstants.EmptyPage));39            Assert.Contains("Protocol error", exception.Message);40        }41    }42}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.