How to use ShouldReturnNullForNonSerializableObjects method of PuppeteerSharp.Tests.PageTests.EvaluateTests class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnNullForNonSerializableObjects

PageEvaluateTests.cs

Source: PageEvaluateTests.cs Github

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...190 Assert.True(result);191 }192 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return undefined for non-serializable objects")]193 [SkipBrowserFact(skipFirefox: true)]194 public async Task ShouldReturnNullForNonSerializableObjects()195 => Assert.Null(await Page.EvaluateFunctionAsync("() => window"));196 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should fail for circular object")]197 [SkipBrowserFact(skipFirefox: true)]198 public async Task ShouldFailForCircularObject()199 {200 var result = await Page.EvaluateFunctionAsync(@"() => {201 const a = {};202 const b = {a};203 a.b = b;204 return a;205 }");206 Assert.Null(result);207 }208 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should be able to throw a tricky error")]...

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EvaluateTests.cs

Source: EvaluateTests.cs Github

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...161 "foo");162 Assert.True(result);163 }164 [Fact]165 public async Task ShouldReturnNullForNonSerializableObjects()166 => Assert.Null(await Page.EvaluateFunctionAsync("() => window"));167 [Fact]168 public async Task ShouldFailForCircularObject()169 {170 var result = await Page.EvaluateFunctionAsync(@"() => {171 const a = {};172 const b = {a};173 a.b = b;174 return a;175 }");176 Assert.Null(result);177 }178 [Fact]179 public async Task ShouldBeAbleToThrowATrickyError()...

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ShouldReturnNullForNonSerializableObjects

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1using NUnit.Framework;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8 {9 public async Task ShouldReturnNullForNonSerializableObjectsTest()10 {11 var aWindowHandle = await Page.EvaluateExpressionHandleAsync("window");12 var exception = Assert.ThrowsAsync<Exception>(async () => await aWindowHandle.JsonValueAsync());13 Assert.AreEqual("JSHandle is not pointing to a primitive value", exception.Message);14 }15 }16}17using NUnit.Framework;18using System;19using System.Collections.Generic;20using System.Linq;21using System.Text;22using System.Threading.Tasks;23{24 {25 public async Task ShouldWorkTest()26 {27 var aNumber = await Page.EvaluateExpressionAsync<int>("7 * 3");28 Assert.AreEqual(21, aNumber);29 }30 }31}32using NUnit.Framework;33using System;34using System.Collections.Generic;35using System.Linq;36using System.Text;37using System.Threading.Tasks;38{39 {40 public async Task ShouldWorkWithElementHandleArgumentTest()41 {42 await Page.SetContentAsync("<section>42</​section>");43 var aSection = await Page.QuerySelectorAsync("section");44 var aText = await Page.EvaluateFunctionAsync<string>("e => e.textContent", aSection);45 Assert.AreEqual("42", aText);46 }47 }48}49using NUnit.Framework;50using System;51using System.Collections.Generic;52using System.Linq;53using System.Text;54using System.Threading.Tasks;55{

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ShouldReturnNullForNonSerializableObjects

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1var test = new PuppeteerSharp.Tests.PageTests.EvaluateTests();2test.ShouldReturnNullForNonSerializableObjects();3var test = new PuppeteerSharp.Tests.PageTests.EvaluateTests();4test.ShouldReturnNullForNonSerializableObjects();5at PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnNullForNonSerializableObjects() in E:\puppeteer-sharp\lib\PuppeteerSharp.Tests\PageTests\EvaluateTests.cs:line 806Assert.Equal() Failure7.NET Core SDK (reflecting any global.json):8Host (useful for support):

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ShouldReturnNullForNonSerializableObjects

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1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using PuppeteerSharp.Tests;7using Xunit;8{9 {10 public async Task ShouldReturnNullForNonSerializableObjects()11 {12 var result = await Page.EvaluateAsync<object>("() => ({ a: Symbol('foo') })");13 Assert.Null(result);14 }15 }16}17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22using PuppeteerSharp.Tests;23using Xunit;24{25 {26 public async Task ShouldReturnNullForNonSerializableObjects()27 {28 var result = await Page.EvaluateAsync<object>("() => ({ a: Symbol('foo') })");29 Assert.Null(result);30 }31 }32}33using System;34using System.Collections.Generic;35using System.Linq;36using System.Text;37using System.Threading.Tasks;38using PuppeteerSharp.Tests;39using Xunit;40{41 {42 public async Task ShouldReturnNullForNonSerializableObjects()43 {44 var result = await Page.EvaluateAsync<object>("() => ({ a: Symbol('foo') })");45 Assert.Null(result);46 }47 }48}

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ShouldReturnNullForNonSerializableObjects

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1await page.GoToAsync(TestConstants.ServerUrl + "/​grid.html");2var result = await page.EvaluateAsync("() => ({ a: 1, b: 'string', c: [1, 2, 3], d: new Date(), e: /​foo/​, f: document, g: window })");3Assert.Equal(null, result);4await page.GoToAsync(TestConstants.ServerUrl + "/​grid.html");5var result = await page.EvaluateAsync("() => ({ a: 1, b: 'string', c: [1, 2, 3], d: new Date(), e: /​foo/​, f: document, g: window })");6Assert.Equal(null, result);7await page.GoToAsync(TestConstants.ServerUrl + "/​grid.html");8var result = await page.EvaluateAsync("() => ({ a: 1, b: 'string', c: [1, 2, 3], d: new Date(), e: /​foo/​, f: document, g: window })");9Assert.Equal(null, result);10await page.GoToAsync(TestConstants.ServerUrl + "/​grid.html");11var result = await page.EvaluateAsync("() => ({ a: 1, b: 'string', c: [1, 2, 3], d: new Date(), e: /​foo/​, f: document, g: window })");12Assert.Equal(null, result);13await page.GoToAsync(TestConstants.ServerUrl + "/​grid.html");14var result = await page.EvaluateAsync("() => ({ a: 1, b: 'string', c: [1, 2, 3], d: new Date(), e: /​foo/​, f: document, g: window

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ShouldReturnNullForNonSerializableObjects

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1var result = await Page.EvaluateAsync(@"() => {2 return {3 };4}");5var result = await Page.EvaluateAsync(@"() => {6 return {7 };8}");9var result = await Page.EvaluateAsync(@"() => {10 return {11 };12}");13var result = await Page.EvaluateAsync(@"() => {14 return {15 };16}");17var result = await Page.EvaluateAsync(@"() => {18 return {19 };20}");21var result = await Page.EvaluateAsync(@"() => {22 return {23 };24}");25var result = await Page.EvaluateAsync(@"() => {26 return {27 };28}");29var result = await Page.EvaluateAsync(@"() => {30 return {31 };32}");33var result = await Page.EvaluateAsync(@"() => {34 return {35 };36}");37var result = await Page.EvaluateAsync(@"() => {38 return {

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ShouldReturnNullForNonSerializableObjects

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1var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");2Assert.Null(result);3var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");4Assert.Null(result);5var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");6Assert.Null(result);7var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");8Assert.Null(result);9var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");10Assert.Null(result);11var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");12Assert.Null(result);13var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");14Assert.Null(result);15var result = await Page.EvaluateAsync("() => { return { a: 1, b: '2' }; }");16Assert.Null(result);17var result = await Page.EvaluateAsync("() => { return { a: 1,

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StackOverFlow community discussions

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Get Result of document.querySelectorAll in PuppeteerSharp

using below,

using var page = browser.NewPageAsync().Result;

page.TypeAsync("input[name='elementname']", valuetobeset).Wait();
https://stackoverflow.com/questions/67332554/set-input-value-with-puppeteer-sharp

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