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

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

PageEvaluateTests.cs

Source:PageEvaluateTests.cs Github

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...76 Assert.Equal(123, await Page.EvaluateFunctionAsync<int>("() => window.globalVar"));77 }78 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should return undefined for objects with symbols")]79 [SkipBrowserFact(skipFirefox: true)]80 public async Task ShouldReturnUndefinedForObjectsWithSymbols()81 => Assert.Null(await Page.EvaluateFunctionAsync<object>("() => [Symbol('foo4')]"));82 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should work with unicode chars")]83 [PuppeteerFact]84 public async Task ShouldWorkWithUnicodeChars()85 => Assert.Equal(42, await Page.EvaluateFunctionAsync<int>("a => a['中文字符']", new Dictionary<string, int> { ["中文字符"] = 42 }));86 [PuppeteerTest("evaluation.spec.ts", "Page.evaluate", "should throw when evaluation triggers reload")]87 [SkipBrowserFact(skipFirefox: true)]88 public async Task ShouldThrowWhenEvaluationTriggersReload()89 {90 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>91 {92 return Page.EvaluateFunctionAsync(@"() => {93 location.reload();94 return new Promise(() => {});...

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EvaluateTests.cs

Source:EvaluateTests.cs Github

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...62 await Page.GoToAsync(TestConstants.ServerUrl + "/global-var.html");63 Assert.Equal(123, await Page.EvaluateFunctionAsync<int>("() => window.globalVar"));64 }65 [Fact]66 public async Task ShouldReturnUndefinedForObjectsWithSymbols()67 => Assert.Null(await Page.EvaluateFunctionAsync<object>("() => [Symbol('foo4')]"));68 [Fact]69 public async Task ShouldWorkWithUnicodeChars()70 => Assert.Equal(42, await Page.EvaluateFunctionAsync<int>("a => a['中文字符']", new Dictionary<string, int> { ["中文字符"] = 42 }));71 [Fact]72 public async Task ShouldThrowWhenEvaluationTriggersReload()73 {74 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() =>75 {76 return Page.EvaluateFunctionAsync(@"() => {77 location.reload();78 return new Promise(() => {});79 }");80 });...

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ShouldReturnUndefinedForObjectsWithSymbols

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1using PuppeteerSharp.Tests;2using Xunit;3using Xunit.Abstractions;4{5 {6 public ShouldReturnUndefinedForObjectsWithSymbols(ITestOutputHelper output) : base(output)7 {8 }9 public async Task ShouldReturnUndefinedForObjectsWithSymbols()10 {11 await Page.GoToAsync(TestConstants.ServerUrl + "/empty.html");12 var result = await Page.EvaluateExpressionHandleAsync("({ [Symbol('foo')]: 42 })");13 Assert.Null(result);14 }15 }16}17using PuppeteerSharp.Tests;18using Xunit;19using Xunit.Abstractions;20{21 {22 public ShouldReturnUndefinedForObjectsWithSymbols(ITestOutputHelper output) : base(output)23 {24 }25 public async Task ShouldReturnUndefinedForObjectsWithSymbols()26 {27 await Page.GoToAsync(TestConstants.ServerUrl + "/empty.html");28 var result = await Page.EvaluateExpressionHandleAsync("({ [Symbol('foo')]: 42 })");29 Assert.Null(result);30 }31 }32}33using PuppeteerSharp.Tests;34using Xunit;35using Xunit.Abstractions;36{37 {38 public ShouldReturnUndefinedForObjectsWithSymbols(ITestOutputHelper output) : base(output)39 {40 }41 public async Task ShouldReturnUndefinedForObjectsWithSymbols()42 {43 await Page.GoToAsync(TestConstants.ServerUrl + "/empty.html");44 var result = await Page.EvaluateExpressionHandleAsync("({ [Symbol('foo')]: 42 })");45 Assert.Null(result);46 }47 }48}49using PuppeteerSharp.Tests;50using Xunit;51using Xunit.Abstractions;

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ShouldReturnUndefinedForObjectsWithSymbols

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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 ShouldReturnUndefinedForObjectsWithSymbols(ITestOutputHelper output) : base(output)12 {13 }14 public async Task ShouldReturnUndefinedForObjectsWithSymbols()15 {16 var result = await Page.EvaluateExpressionAsync<object>("({ [Symbol('foo4')]: 42 })");17 Assert.Null(result);18 }19 }20}21using System;22using System.Collections.Generic;23using System.Text;24using System.Threading.Tasks;25using PuppeteerSharp;26using Xunit;27using Xunit.Abstractions;28{29 [Collection("PuppeteerLoaderFixture collection")]30 {31 public ShouldReturnUndefinedForObjectsWithSymbols(ITestOutputHelper output) : base(output)32 {33 }34 public async Task ShouldReturnUndefinedForObjectsWithSymbols()35 {36 var result = await Page.EvaluateExpressionAsync<object>("({ [Symbol('foo4')]: 42 })");37 Assert.Null(result);38 }39 }40}41using System;42using System.Collections.Generic;43using System.Text;44using System.Threading.Tasks;45using PuppeteerSharp;46using Xunit;47using Xunit.Abstractions;48{49 [Collection("PuppeteerLoaderFixture collection")]50 {51 public ShouldReturnUndefinedForObjectsWithSymbols(ITestOutputHelper output) : base(output)52 {53 }54 public async Task ShouldReturnUndefinedForObjectsWithSymbols()55 {56 var result = await Page.EvaluateExpressionAsync<object>("({ [Symbol('foo4')]: 42 })");57 Assert.Null(result);58 }59 }60}

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ShouldReturnUndefinedForObjectsWithSymbols

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1using PuppeteerSharp.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Xunit;8{9 [Collection("PuppeteerLoaderFixture collection")]10 {11 public async Task ShouldReturnUndefinedForObjectsWithSymbols()12 {13 var result = await Page.EvaluateExpressionAsync<object>("({ [Symbol('foo4')]: 123 })");14 Assert.Null(result);15 }16 }17}18at PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols.ShouldReturnUndefinedForObjectsWithSymbols() in D:\a\1\s\lib\PuppeteerSharp.Tests\PageTests\EvaluateTests\ShouldReturnUndefinedForObjectsWithSymbols.cs:line 2519Actual: { }20 at PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols.ShouldReturnUndefinedForObjectsWithSymbols() in D:\a\1\s\lib\PuppeteerSharp.Tests\PageTests\EvaluateTests\ShouldReturnUndefinedForObjectsWithSymbols.cs:line 25

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ShouldReturnUndefinedForObjectsWithSymbols

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1var puppeteer = new PuppeteerSharp.Puppeteer();2var browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless = false });3var page = await browser.NewPageAsync();4await page.EvaluateFunctionAsync("() => { window['foo'] = 'bar'; }");5var result = await page.EvaluateFunctionAsync<object>("() => window['foo']");6Console.WriteLine(result);7var puppeteer = new PuppeteerSharp.Puppeteer();8var browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless = false });9var page = await browser.NewPageAsync();10await page.EvaluateFunctionAsync("() => { window['foo'] = 'bar'; }");11var result = await page.EvaluateFunctionAsync("() => window['foo']");12Console.WriteLine(result);13var puppeteer = new PuppeteerSharp.Puppeteer();14var browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless = false });15var page = await browser.NewPageAsync();16await page.EvaluateFunctionAsync("() => { window['foo'] = 'bar'; }");17var result = await page.EvaluateFunctionAsync("() => window['foo']");18Console.WriteLine(result);19var puppeteer = new PuppeteerSharp.Puppeteer();20var browser = await puppeteer.LaunchAsync(new LaunchOptions { Headless = false });21var page = await browser.NewPageAsync();22await page.EvaluateFunctionAsync("() => { window['foo'] = 'bar'; }");23var result = await page.EvaluateFunctionAsync("() => window['foo']");24Console.WriteLine(result);

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ShouldReturnUndefinedForObjectsWithSymbols

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1var result = await Page.EvaluateFunctionAsync(@"() => {2 var a = {};3 var b = Symbol('b');4 var c = Symbol('c');5 a[b] = 1;6 a[c] = 2;7 return a;8}");9var obj = result.ToObject<Dictionary<string, int>>();10Assert.Equal(0, obj.Count);11var result = await Page.EvaluateFunctionAsync(@"() => {12 var a = {};13 var b = Symbol('b');14 var c = Symbol('c');15 a[b] = 1;16 a[c] = 2;17 return a;18}");19var obj = result.ToObject<Dictionary<string, int>>();20Assert.Equal(0, obj.Count);

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ShouldReturnUndefinedForObjectsWithSymbols

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1PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()2{3 var page = await LaunchDefaultBrowserPageAsync();4 var result = await page.EvaluateExpressionAsync("Symbol('foo')");5 Assert.Null(result);6}7PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()8{9 var page = await LaunchDefaultBrowserPageAsync();10 var result = await page.EvaluateExpressionAsync("Symbol('foo')");11 Assert.Null(result);12}13PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()14{15 var page = await LaunchDefaultBrowserPageAsync();16 var result = await page.EvaluateExpressionAsync("Symbol('foo')");17 Assert.Null(result);18}19PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()20{21 var page = await LaunchDefaultBrowserPageAsync();22 var result = await page.EvaluateExpressionAsync("Symbol('foo')");23 Assert.Null(result);24}25PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()26{27 var page = await LaunchDefaultBrowserPageAsync();28 var result = await page.EvaluateExpressionAsync("Symbol('foo')");29 Assert.Null(result);30}31PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()32{33 var page = await LaunchDefaultBrowserPageAsync();34 var result = await page.EvaluateExpressionAsync("Symbol('foo')");35 Assert.Null(result);36}37PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()38{39 var page = await LaunchDefaultBrowserPageAsync();40 var result = await page.EvaluateExpressionAsync("Symbol('foo')");41 Assert.Null(result);42}43PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()44{45 var page = await LaunchDefaultBrowserPageAsync();46 var result = await page.EvaluateExpressionAsync("Symbol('foo')");47 Assert.Null(result);48}49PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()50{51 var page = await LaunchDefaultBrowserPageAsync();52 var result = await page.EvaluateExpressionAsync("Symbol('foo')");53 Assert.Null(result);54}55PuppeteerSharp.Tests.PageTests.EvaluateTests.ShouldReturnUndefinedForObjectsWithSymbols()56{57 var page = await LaunchDefaultBrowserPageAsync();58 var result = await page.EvaluateExpressionAsync("Symbol('foo')");59 Assert.Null(result);60}

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ShouldReturnUndefinedForObjectsWithSymbols

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1using System;2using System.Threading.Tasks;3using Xunit;4{5 [Collection(TestConstants.TestFixtureCollectionName)]6 {7 public async Task ShouldReturnUndefinedForObjectsWithSymbols()8 {9 var result = await Page.EvaluateExpressionAsync("() => [Symbol('foo4'), {foo: Symbol('foo5')}]");10 Assert.Null(result);11 }12 }13}14using System;15using System.Threading.Tasks;16using Xunit;17{18 [Collection(TestConstants.TestFixtureCollectionName)]19 {20 public async Task ShouldReturnUndefinedForObjectsWithSymbols()21 {22 var result = await Page.EvaluateExpressionAsync("() => [Symbol('foo4'), {foo: Symbol('foo5')}]");23 Assert.Null(result);24 }25 }26}27using System;28using System.Threading.Tasks;29using Xunit;30{31 [Collection(TestConstants.TestFixtureCollectionName)]32 {33 public async Task ShouldReturnUndefinedForObjectsWithSymbols()34 {35 var result = await Page.EvaluateExpressionAsync("() => [Symbol('foo4'), {foo: Symbol('foo5')}]");36 Assert.Null(result);37 }38 }39}40using System;41using System.Threading.Tasks;42using Xunit;43{44 [Collection(TestConstants.TestFixtureCollectionName)]

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ShouldReturnUndefinedForObjectsWithSymbols

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1using System;2using System.Collections.Generic;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7 [Collection("PuppeteerLoaderFixture collection")]8 {9 public EvaluateTests(ITestOutputHelper output) : base(output)10 {11 }12 public async Task ShouldWork()13 {14 var result = await Page.EvaluateExpressionAsync<int>("7 * 3");15 Assert.Equal(21, result);16 }17 public async Task ShouldAwaitPromise()18 {19 var result = await Page.EvaluateExpressionAsync<int>("Promise.resolve(8 * 7)");20 Assert.Equal(56, result);21 }22 public async Task ShouldReturnComplexObjects()23 {24 var result = await Page.EvaluateExpressionAsync<Dictionary<string, object>>("({foo: 'bar!', obj: {x: 1, y: '2'}})");25 Assert.Equal("bar!", result["foo"]);26 Assert.Equal(1, ((Dictionary<string, object>)result["obj"])["x"]);27 Assert.Equal("2", ((Dictionary<string, object>)result["obj"])["y"]);28 }29 public async Task ShouldReturnNaN()30 {31 var result = await Page.EvaluateExpressionAsync<double>("NaN");32 Assert.Equal(double.NaN, result);33 }34 public async Task ShouldReturnNegative0()35 {36 var result = await Page.EvaluateExpressionAsync<double>("-0");37 Assert.Equal(-0, result);38 }39 public async Task ShouldReturnUndefinedForNonSerializableObjects()40 {41 var result = await Page.EvaluateExpressionAsync<object>("window");42 Assert.Null(result);43 }44 public async Task ShouldReturnUndefinedForObjectsWithSymbols()45 {46 var result = await Page.EvaluateExpressionAsync<object>("({[Symbol('foo4')]: 'foo'})");47 Assert.Null(result);48 }49 public async Task ShouldBeAbleToThrowAnError()50 {51 var exception = await Assert.ThrowsAsync<EvaluationFailedException>(() => Page.EvaluateExpressionAsync<object>("not.existing.object.property"));52 Assert.Contains("not is not defined", exception.Message

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