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How to use ShouldKeepTheCallbackClean method of PuppeteerSharp.Tests.PageTests.ExposeFunctionTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.PageTests.ExposeFunctionTests.ShouldKeepTheCallbackClean

ExposeFunctionTests.cs

Source:ExposeFunctionTests.cs

...108            await Page.EvaluateExpressionAsync("changeFlag()");109            Assert.True(called);110        }111        [Fact]112        public async Task ShouldKeepTheCallbackClean()113        {114            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);115            var result = await Page.EvaluateExpressionAsync<int>("compute(9, 4)");116            Assert.False(Page.Client.HasPendingCallbacks());117        }118    }119}...

ShouldKeepTheCallbackClean

Using AI Code Generation

1{2    [Collection(TestConstants.TestFixtureCollectionName)]3    {4        public async Task ShouldWork()5        {6            await Page.ExposeFunctionAsync("woof", (int a, int b) => a + b);7            var result = await Page.EvaluateFunctionAsync<int>("async function() {" +8                "return woof(9, 4);" +9            "}");10            Assert.Equal(13, result);11        }12        public async Task ShouldThrowIfNoPage()13        {14            var exception = await Assert.ThrowsAsync<InvalidOperationException>(() => Page.MainFrame.EvaluateFunctionAsync("() => window.__FOO = 123"));15            Assert.Equal("Please use page.EvaluateFunctionAsync()", exception.Message);16        }17        public async Task ShouldSurviveNavigation()18        {19            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);20            await Page.GoToAsync(TestConstants.EmptyPage);21            var result = await Page.EvaluateFunctionAsync<int>("async function() {" +22                "return compute(9, 4);" +23            "}");24            Assert.Equal(36, result);25        }26        public async Task ShouldAwaitReturnedPromise()27        {28            await Page.ExposeFunctionAsync("compute", (int a, int b) => Task.FromResult(a * b));29            var result = await Page.EvaluateFunctionAsync<int>("async function() {" +30                "return compute(3, 5);" +31            "}");32            Assert.Equal(15, result);33        }34        public async Task ShouldWorkRightAfterFrameDetached()35        {36            await Page.GoToAsync(TestConstants.EmptyPage);37            await FrameUtils.AttachFrameAsync(Page, "frame1", TestConstants.EmptyPage);38            var frame = Page.Frames.ElementAt(1);39            var watchdog = frame.WaitForFunctionAsync("() => window.__done");40            await Page.EvaluateFunctionAsync("() => delete window.__done");41            await frame.EvaluateFunctionAsync("() => window.__done = true");42            await watchdog;43        }44        public async Task ShouldRejectPromiseWithExeption()45        {46            await Page.ExposeFunctionAsync("woof", (int a, int b) => throw new Exception("WOOF WOOF"));

ShouldKeepTheCallbackClean

Using AI Code Generation

1{2    [Collection(TestConstants.TestFixtureCollectionName)]3    {4        public async Task ShouldWork()5        {6            await Page.ExposeFunctionAsync("woof", (string a, string b) => $"{a} {b}");7            var result = await Page.EvaluateExpressionAsync<string>("woof('dog', 'woof')");8            Assert.Equal("dog woof", result);9        }10        public async Task ShouldWorkWithHandles()11        {12            await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);13            var result = await Page.EvaluateExpressionAsync<int>("add(5, 6)");14            Assert.Equal(11, result);15        }16        public async Task ShouldThrowExceptionInPageContext()17        {18            await Page.ExposeFunctionAsync("woof", (string a, string b) => { throw new Exception("WOOF WOOF"); });19            var exception = await Assert.ThrowsAsync<Exception>(() => Page.EvaluateExpressionAsync("woof('a', 'b')"));20            Assert.Contains("WOOF WOOF", exception.Message);21        }22        public async Task ShouldReturnComplexObjects()23        {24            await Page.ExposeFunctionAsync("woof", (string a, string b) => new { dog = a, woof = b });25            var result = await Page.EvaluateExpressionAsync("woof('a', 'b')");26            Assert.Equal("a", result.dog);27            Assert.Equal("b", result.woof);28        }29        public async Task ShouldWorkOnFrames()30        {31            await Page.ExposeFunctionAsync("woof", (string a, string b) => $"{a} {b}");32            await FrameUtils.AttachFrame(Page, "frame1", TestConstants.EmptyPage);33            var frame = Page.Frames.ElementAt(1);34            var result = await frame.EvaluateExpressionAsync<string>("woof('dog', 'woof')");35            Assert.Equal("dog woof", result);36        }37        public async Task ShouldAwaitReturnedPromise()38        {39            await Page.ExposeFunctionAsync("asyncWoof", (string a, string b) => new Task<string>(() => $"{a} {b}"));

ShouldKeepTheCallbackClean

Using AI Code Generation

1var page = await context.NewPageAsync();2await page.ExposeFunctionAsync("shouldKeepTheCallbackClean", (int a, int b) => a + b);3var result = await page.EvaluateFunctionAsync<int>("async function() {4    return await shouldKeepTheCallbackClean(9, 4);5}");6Console.WriteLine(result);7var page = await context.NewPageAsync();8await page.ExposeFunctionAsync("shouldKeepTheCallbackClean", (int a, int b) => a + b);9var result = await page.EvaluateFunctionAsync<int>("async function() {10    return await shouldKeepTheCallbackClean(9, 4);11}");12Console.WriteLine(result);13var page = await context.NewPageAsync();14await page.ExposeFunctionAsync("shouldKeepTheCallbackClean", (int a, int b) => a + b);15var result = await page.EvaluateFunctionAsync<int>("async function() {16    return await shouldKeepTheCallbackClean(9, 4);17}");18Console.WriteLine(result);19var page = await context.NewPageAsync();20await page.ExposeFunctionAsync("shouldKeepTheCallbackClean", (int a, int b) => a + b);21var result = await page.EvaluateFunctionAsync<int>("async function() {22    return await shouldKeepTheCallbackClean(9, 4);23}");24Console.WriteLine(result);25var page = await context.NewPageAsync();26await page.ExposeFunctionAsync("shouldKeepTheCallbackClean", (int a, int b) => a + b);27var result = await page.EvaluateFunctionAsync<int>("async function() {28    return await shouldKeepTheCallbackClean(9, 4);29}");30Console.WriteLine(result);31var page = await context.NewPageAsync();

ShouldKeepTheCallbackClean

Using AI Code Generation

1var  page = await browser.NewPageAsync();2await page.ExposeFunctionAsync("shouldKeepTheCallbackClean", () =>3{4  GC.Collect();5  GC.WaitForPendingFinalizers();6  return GC.GetTotalMemory(false);7});8var result = await page.EvaluateExpressionAsync<int>("shouldKeepTheCallbackClean()");9Assert.True(result < 1000000, $"Total memory {result} is not less than 1MB");10var page = await browser.NewPageAsync();11await page.ExposeFunctionAsync("log", (string msg) =>12{13  TestContext.Out.WriteLine(msg);14});15await page.EvaluateFunctionAsync("log", "hello");16await page.EvaluateFunctionAsync("log", "world");17var page = await browser.NewPageAsync();18await page.ExposeFunctionAsync("log", (string msg) =>19{20  TestContext.Out.WriteLine(msg);21});22await page.GoToAsync(TestConstants.CrossProcessUrl + "/grid.html");23await page.EvaluateFunctionAsync("log", "hello");24await page.EvaluateFunctionAsync("log", "world");25var page = await browser.NewPageAsync();26await page.ExposeFunctionAsync("log", (string msg) =>27{28  TestContext.Out.WriteLine(msg);29});30var frame = page.MainFrame;31await frame.EvaluateFunctionAsync("log", "hello");32await page.EvaluateFunctionAsync("log", "world");33await frame.EvaluateFunctionAsync("log", "hello");34await page.EvaluateFunctionAsync("log", "world");35await frame.DetachAsync();36await frame.EvaluateFunctionAsync("log", "hello");37await page.EvaluateFunctionAsync("log", "world");

ShouldKeepTheCallbackClean

Using AI Code Generation

1var page = await Browser.NewPageAsync();2await page.ExposeFunctionAsync("ShouldKeepTheCallbackClean", (Func<string, string, Task<object>>)(async (a, b) =>3{4    return a + b;5}));6var result = await page.EvaluateFunctionAsync<string>("async () => ShouldKeepTheCallbackClean('a', 'b')");7Assert.Equal("ab", result);8var page = await Browser.NewPageAsync();9await page.ExposeFunctionAsync("ShouldWorkWithComplexObjects", (Func<ComplexObject, Task<object>>)(async (a) =>10{11    return a;12}));13var result = await page.EvaluateFunctionAsync<ComplexObject>("async () => ShouldWorkWithComplexObjects({foo: 'bar'})");14Assert.Equal("bar", result.Foo);15var page = await Browser.NewPageAsync();16await page.ExposeFunctionAsync("ShouldWorkWithComplexObjects", (Func<ComplexObject, Task<object>>)(async (a) =>17{18    return a;19}));20var result = await page.EvaluateFunctionAsync<ComplexObject>("async () => ShouldWorkWithComplexObjects({foo: 'bar'})");21Assert.Equal("bar", result.Foo);22var page = await Browser.NewPageAsync();23await page.ExposeFunctionAsync("ShouldWorkWithComplexObjects", (Func<ComplexObject, Task<object>>)(async (a) =>24{25    return a;26}));27var result = await page.EvaluateFunctionAsync<ComplexObject>("async () => ShouldWorkWithComplexObjects({foo: 'bar'})");28Assert.Equal("bar", result.Foo);29var page = await Browser.NewPageAsync();30await page.ExposeFunctionAsync("ShouldWorkWithComplexObjects", (Func<ComplexObject, Task<object>>)(async (a) =>31{32    return a;33}));34var result = await page.EvaluateFunctionAsync<ComplexObject>("async () => ShouldWorkWithComplexObjects

ShouldKeepTheCallbackClean

Using AI Code Generation

1var page = await Browser.NewPageAsync();2await page.ExposeFunctionAsync("add", (int a, int b) => a + b);3await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");4var result = await page.EvaluateFunctionAsync<int>("async function() {" +5"   return await add(9, 4);" +6"}");7Assert.Equal(13, result);8var page = await Browser.NewPageAsync();9await page.ExposeFunctionAsync("complexObject", (int a, int b) => new ComplexObject10{11});12await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");13var result = await page.EvaluateFunctionAsync<ComplexObject>("async function() {" +14"   return await complexObject(9, 4);" +15"}");16Assert.Equal(9, result.A);17Assert.Equal(4, result.B);18var page = await Browser.NewPageAsync();19await page.ExposeFunctionAsync("complexObject", (int a, int b) => new ComplexObject20{21});22await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");23var result = await page.EvaluateFunctionAsync<ComplexObject>("async function() {" +24"   return await complexObject(9, 4);" +25"}");26Assert.Equal(9, result.A);27Assert.Equal(4, result.B);28var page = await Browser.NewPageAsync();29await page.GoToAsync(TestConstants.ServerUrl + "/grid.html");30await page.ExposeFunctionAsync("complexObject", (int a, int b) => new ComplexObject31{32});33var result = await page.EvaluateFunctionAsync<ComplexObject>("async function() {" +

ShouldKeepTheCallbackClean

Using AI Code Generation

1var page = await Browser.NewPageAsync();2await page.ExposeFunctionAsync("ShouldKeepTheCallbackClean", (Action)(() => { }));3Console.WriteLine("ShouldKeepTheCallbackClean method executed");4var page = await Browser.NewPageAsync();5await page.ExposeFunctionAsync("ShouldWork", (Action<string>)(message => Console.WriteLine(message)));6await page.EvaluateFunctionAsync("ShouldWork", "message from javascript");7var page = await Browser.NewPageAsync();8await page.ExposeFunctionAsync("ShouldWork", (Func<string, string>)(message => message));9var result = await page.EvaluateFunctionAsync("ShouldWork", "message from javascript");10Console.WriteLine(result);11var page = await Browser.NewPageAsync();12await page.ExposeFunctionAsync("ShouldWork", (Func<string, string>)(message => message));13var exception = await Assert.ThrowsAsync<ArgumentException>(async () =>14{15    await page.EvaluateFunctionAsync("ShouldWork", 5);16});17Console.WriteLine(exception.Message);18var page = await Browser.NewPageAsync();19await page.ExposeFunctionAsync("ShouldWork", (Func<string, string>)(message => message));20var exception = await Assert.ThrowsAsync<ArgumentException>(async () =>21{22    await page.EvaluateFunctionAsync("ShouldWork", new { });23});24Console.WriteLine(exception.Message);25var page = await Browser.NewPageAsync();26await page.ExposeFunctionAsync("ShouldWork", (Func<string, string>)(message => message));27var exception = await Assert.ThrowsAsync<ArgumentException>(async () =>28{29    await page.EvaluateFunctionAsync("ShouldWork", new int[] { });30});31Console.WriteLine(exception.Message);32var page = await Browser.NewPageAsync();

ShouldKeepTheCallbackClean

Using AI Code Generation

1var page = await Browser.NewPageAsync();2var exception = await Assert.ThrowsAsync<Exception>(() => page.ExposeFunctionAsync("woof", new Func<int, int, int>(ShouldKeepTheCallbackClean)));3Assert.Equal("Function can only be added to the page before it has navigated", exception.Message);4var page = await Browser.NewPageAsync();5await page.ExposeFunctionAsync("complexObject", new Func<ComplexObject, string>(ShouldWorkWithComplexObjects));6var result = await page.EvaluateExpressionAsync<string>("complexObject({foo: 'bar'}).foo");7Assert.Equal("bar", result);8var page = await Browser.NewPageAsync();9await page.ExposeFunctionAsync("complexObject", new Func<ComplexObject, string>(ShouldWorkWithComplexObjects));10var result = await page.EvaluateExpressionAsync<string>("complexObject({foo: 'bar'}).foo");11Assert.Equal("bar", result);12var page = await Browser.NewPageAsync();13await page.ExposeFunctionAsync("complexObject", new Func<ComplexObject, string>(ShouldWorkWithComplexObjects));14var result = await page.EvaluateExpressionAsync<string>("complexObject({foo: 'bar'}).foo");15Assert.Equal("bar", result);16var page = await Browser.NewPageAsync();17await page.ExposeFunctionAsync("complexObject", new Func<ComplexObject, string>(ShouldWorkWithComplexObjects));18var result = await page.EvaluateExpressionAsync<string>("complexObject({foo: 'bar'}).foo");19Assert.Equal("bar", result);20var page = await Browser.NewPageAsync();

ShouldKeepTheCallbackClean

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp.Tests;4using PuppeteerSharp.Tests.PageTests;5{6    public static async Task Main()7    {8        var page = await new PageTests().Page;9        await page.GoToAsync(TestConstants.EmptyPage);10        var testClass = new ExposeFunctionTests();11        var result = await page.EvaluateFunctionAsync<bool>("(arg1, arg2) => arg1.ShouldKeepTheCallbackClean(arg2)", testClass, new object());12        Console.WriteLine(result);13    }14}15using System;16using System.Threading.Tasks;17using PuppeteerSharp;18{19    public static async Task Main()20    {21        var page = await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);22        await page.GoToAsync(TestConstants.EmptyPage);23        var result = await page.EvaluateFunctionAsync<bool>("(arg1, arg2) => arg1.ShouldKeepT

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