How to use ShouldReturnNullForTaskDelay method of Microsoft.Playwright.Tests.PageExposeFunctionTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay

PageExposeFunctionTests.cs

Source:PageExposeFunctionTests.cs Github

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...231 }");232 Assert.IsNull(result);233 }234 [PlaywrightTest]235 public async Task ShouldReturnNullForTaskDelay()236 {237 await Page.ExposeFunctionAsync("compute", () => Task.Delay(100));238 await Page.GotoAsync(Server.EmptyPage);239 var result = await Page.EvaluateAsync(@"async function() {240 return await compute();241 }");242 Assert.IsNull(result);243 }244 internal class ComplexObject245 {246 public int x { get; set; }247 }248 }249}...

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ShouldReturnNullForTaskDelay

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1Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()2Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()3Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()4Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()5Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()6Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()7Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()8Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()9Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()10Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()11Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay()

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ShouldReturnNullForTaskDelay

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1Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();2Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();3Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();4Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();5Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();6Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();7Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();8Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();9Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();10Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();11Microsoft.Playwright.Tests.PageExposeFunctionTests.ShouldReturnNullForTaskDelay();

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ShouldReturnNullForTaskDelay

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1{2 using System;3 using System.Collections.Generic;4 using System.Linq;5 using System.Text;6 using System.Threading.Tasks;7 using Microsoft.Playwright;8 using Xunit;9 using Xunit.Abstractions;10 {11 public PageExposeFunctionTests(ITestOutputHelper output) : base(output)12 {13 }14 [PlaywrightTest("page-expose-function.spec.ts", "should work")]15 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]16 public async Task ShouldWork()17 {18 await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);19 int result = await Page.EvaluateAsync<int>("async function() { return await compute(9, 4); }");20 Assert.Equal(36, result);21 }22 [PlaywrightTest("page-expose-function.spec.ts", "should work with handles")]23 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]24 public async Task ShouldWorkWithHandles()25 {26 await Page.ExposeFunctionAsync("readme", () => "hello");27 string result = await Page.EvaluateAsync<string>("async function() { return await readme(); }");28 Assert.Equal("hello", result);29 }30 [PlaywrightTest("page-expose-function.spec.ts", "should work with complex objects")]31 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]32 public async Task ShouldWorkWithComplexObjects()33 {34 await Page.ExposeFunctionAsync("complexObject", () => new { foo = "bar" });35 object result = await Page.EvaluateAsync<object>("async function() { return await complexObject(); }");36 Assert.Equal("bar", ((Dictionary<string, object>)result)["foo"]);37 }38 [PlaywrightTest("page-expose-function.spec.ts", "should work with null")]39 [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]40 public async Task ShouldWorkWithNull()41 {42 await Page.ExposeFunctionAsync("nuller", () => null);43 object result = await Page.EvaluateAsync<object>("async function() { return await nuller(); }");44 Assert.Null(result);45 }46 [PlaywrightTest("page-expose-function.spec.ts", "should work with undefined")]47 [Fact(Timeout = PlaywrightSharp.Playwright.Default

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ShouldReturnNullForTaskDelay

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1public void ShouldReturnNullForTaskDelay()2{3 var playwright = Microsoft.Playwright.Playwright.CreateAsync().Result;4 var browser = playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions()).Result;5 var context = browser.NewContextAsync().Result;6 var page = context.NewPageAsync().Result;7 page.ExposeFunctionAsync("delay", (Func<int, Task<object>>)(async (arg) =>8 {9 await Task.Delay(arg);10 return null;11 }));12 var result = page.EvaluateAsync<int>("async () => {13 const result = await delay(2000);14 return result;15 }").Result;16 Assert.AreEqual(0, result);17}18public Task ExposeFunctionAsync(string name, Func<IJSHandle, Task<object>> playwrightFunction)19public Task ExposeFunctionAsync(string name, Func<Task<object>> playwrightFunction)20public Task ExposeFunctionAsync(string name, Func<object, Task<object>> playwrightFunction)21public Task ExposeFunctionAsync(string name, Func<object, IJSHandle, Task<object>> playwrightFunction)22public Task ExposeFunctionAsync(string name, Func<IJSHandle, IJSHandle, Task<object>> playwrightFunction)23public Task ExposeFunctionAsync(string name, Func<IJSHandle, object, Task<object>> playwrightFunction)24public Task ExposeFunctionAsync(string name, Func<IJSHandle, object, IJSHandle, Task<object>> playwrightFunction)25public Task ExposeFunctionAsync(string name, Func<IJSHandle, IJSHandle, IJSHandle, Task<object>> playwrightFunction)26public Task ExposeFunctionAsync(string name, Func<IJSHandle, IJSHandle, object, Task<object>> playwrightFunction)27public Task ExposeFunctionAsync(string name, Func<IJSHandle, IJSHandle, object, IJSHandle, Task<object>> playwrightFunction)

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ShouldReturnNullForTaskDelay

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1await page.ExposeFunctionAsync("add", (Func<int, int, int>)((a, b) => a + b));2var result = await page.EvaluateAsync<int>("async () => {3 return add(await new Promise(r => setTimeout(r, 200, 9)), 4);4}");5Console.WriteLine(result);6await page.ExposeFunctionAsync("add", (Func<int, int, int>)((a, b) => a + b));7var result = await page.EvaluateAsync<int>("async () => {8 return add(await new Promise(r => setTimeout(r, 200, 9)), 4);9}");10Console.WriteLine(result);11await page.ExposeFunctionAsync("add", (Func<int, int, int>)((a, b) => a + b));12var result = await page.EvaluateAsync<int>("async () => {13 return add(await new Promise(r => setTimeout(r, 200, 9)), 4);14}");15Console.WriteLine(result);16await page.ExposeFunctionAsync("add", (Func<int, int, int>)((a, b) => a + b));17var result = await page.EvaluateAsync<int>("async () => {18 return add(await new Promise(r => setTimeout(r, 200, 9)), 4);19}");20Console.WriteLine(result);21await page.ExposeFunctionAsync("add", (Func<int, int, int>)((a, b) => a + b));22var result = await page.EvaluateAsync<int>("async () => {23 return add(await new Promise(r => setTimeout(r, 200, 9)), 4);24}");25Console.WriteLine(result);26await page.ExposeFunctionAsync("add", (Func<int, int, int>)((a, b) => a + b));

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ShouldReturnNullForTaskDelay

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1{2 {3 public void ShouldReturnNullForTaskDelay()4 {5 }6 }7}8Error CS1061 'PageExposeFunctionTests' does not contain a definition for 'ShouldReturnNullForTaskDelay' and no accessible extension method 'ShouldReturnNullForTaskDelay' accepting a first argument of type 'PageExposeFunctionTests' could be found (are you missing a using directive or an assembly reference?)9Error CS0246 The type or namespace name 'PageExposeFunctionTests' could not be found (are you missing a using directive or an assembly reference?)10Error CS0246 The type or namespace name 'PageExposeFunctionTests' could not be found (are you missing a using directive or an assembly reference?)11Error CS0246 The type or namespace name 'PageExposeFunctionTests' could not be found (are you missing a using directive or an assembly reference?)12Error CS0246 The type or namespace name 'PageExposeFunctionTests' could not be found (are you missing a using directive or an assembly reference?)

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ShouldReturnNullForTaskDelay

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1 public async Task ShouldReturnNullForTaskDelay()2 {3 await Page.ExposeFunctionAsync("delay", (Func<int, Task>) (async (int ms) => {4 await Task.Delay(ms);5 return null;6 }));7 var result = await Page.EvaluateAsync<int>("async () => {8 return await delay(100);9 }");10 Assert.Equal(100, result);11 }12 public async Task ShouldReturnNullForTaskDelay()13 {14 await Page.ExposeFunctionAsync("delay", (Func<int, Task>) (async (int ms) => {15 await Task.Delay(ms);16 return null;17 }));18 var result = await Page.EvaluateAsync<int>("async () => {19 return await delay(100);20 }");21 Assert.Equal(100, result);22 }23 public async Task ShouldReturnNullForTaskDelay()24 {25 await Page.ExposeFunctionAsync("delay", (Func<int, Task>) (async (int ms) => {26 await Task.Delay(ms);27 return null;28 }));29 var result = await Page.EvaluateAsync<int>("async () => {30 return await delay(100);31 }");32 Assert.Equal(100, result);33 }34 public async Task ShouldReturnNullForTaskDelay()35 {36 await Page.ExposeFunctionAsync("delay", (Func<int, Task>) (async (int ms) => {37 await Task.Delay(ms);38 return null;39 }));40 var result = await Page.EvaluateAsync<int>("async () => {41 return await delay(100);42 }");43 Assert.Equal(100, result);44 }45 public async Task ShouldReturnNullForTaskDelay()46 {47 await Page.ExposeFunctionAsync("delay", (Func<int

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ShouldReturnNullForTaskDelay

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1using System;2using System.IO;3using System.Text;4using System.Linq;5using System.Collections;6using System.Collections.Generic;7using System.Diagnostics;8using System.Threading.Tasks;9using Microsoft.Playwright;10using Xunit;11using Xunit.Abstractions;12{13 {14 internal PageExposeFunctionTests(ITestOutputHelper output) : 15 base(output)16 {17 }18 [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]19 public async Task ShouldWork()20 {21 await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);22 var result = await Page.EvaluateAsync<int>("async function() { return await compute(9, 4); }");23 Assert.Equal(36, result);24 }25 [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]26 public async Task ShouldWorkWithComplexObjects()27 {28 await Page.ExposeFunctionAsync("complexObject", new { foo = "bar!" });29 var result = await Page.EvaluateAsync<object>("async function() { return await complexObject; }");30 Assert.Equal("bar!", ((IDictionary<string, object>)result)["foo"]);31 }32 [Fact(Timeout=PlaywrightSharp.Playwright.DefaultTimeout)]33 public async Task ShouldWorkWithUndefinedReturn()34 {35 await Page.ExposeFunctionAsync("undefinedReturn", () => default);36 var result = await Page.EvaluateAsync<object>("async function() { return await undefinedReturn(); }");37 Assert.Null(result);38 }

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1await page.ExposeFunctionAsync("delay", async (int arg) => {2 await Task.Delay(arg);3 return arg;4});5await page.GotoAsync(Server.Prefix + "/grid.html");6var result = await page.EvaluateAsync<int>("() => delay(100)");7Assert.Equal(100, result);8await page.ExposeFunctionAsync("elementHandle", async (IElementHandle arg) => {9 return await arg.EvaluateAsync<string>("e => e.nodeName");10});11await page.GotoAsync(Server.Prefix + "/grid.html");12var result = await page.EvaluateAsync<string>("() => elementHandle(document.body).then(e => e.nodeName)");13Assert.Equal("BODY", result);14await page.ExposeFunctionAsync("complexObject", async (object arg) => {15 return new {16 };17});18await page.GotoAsync(Server.Prefix + "/grid.html");19var result = await page.EvaluateAsync<object>("() => complexObject({foo: 'bar'})");20Assert.Equal(new {21}, result);22await page.ExposeFunctionAsync("elementHandle", async (IElementHandle arg) => {23 return await arg.EvaluateAsync<string>("e => e.nodeName");24});25await page.GotoAsync(Server.Prefix + "/grid.html");26var result = await page.EvaluateAsync<string>("() => elementHandle(null)");27Assert.Equal(null, result);28await page.ExposeFunctionAsync("windowHandle", async (IPage

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