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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

...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['ä¸æåç¬¦']", new Dictionary<string, int> { ["ä¸æåç¬¦"] = 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(() => {});...

EvaluateTests.cs

Source:EvaluateTests.cs

...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['ä¸æåç¬¦']", new Dictionary<string, int> { ["ä¸æåç¬¦"] = 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            });...

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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;

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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}

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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);

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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);

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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}

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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)]

ShouldReturnUndefinedForObjectsWithSymbols

Using AI Code Generation

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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