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How to use ShouldNotLeakUtilityScript method of Microsoft.Playwright.Tests.PageEvaluateTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript

PageEvaluateTests.cs

Source:PageEvaluateTests.cs

...480            }"));481            StringAssert.Contains("variableY", exception.Message);482        }483        [PlaywrightTest("page-evaluate.spec.ts", "should not leak utility script")]484        public async Task ShouldNotLeakUtilityScript()485        {486            Assert.True(await Page.EvaluateAsync<bool>(@"() => this === window"));487        }488        [PlaywrightTest("page-evaluate.spec.ts", "should not leak handles")]489        public async Task ShouldNotLeakHandles()490        {491            var exception = await PlaywrightAssert.ThrowsAsync<PlaywrightException>(() => Page.EvaluateAsync<object>(@"() => handles.length"));492            StringAssert.Contains("handles", exception.Message);493        }494        [PlaywrightTest("page-evaluate.spec.ts", "should evaluate exception")]495        public async Task ShouldEvaluateException()496        {497            string exception = await Page.EvaluateAsync<string>(@"() => {498                return (function functionOnStack() {...

ShouldNotLeakUtilityScript

Using AI Code Generation

1Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()2Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()3Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()4Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()5Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()6Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()7Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()8Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()9Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()10Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()11Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()12Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript()

ShouldNotLeakUtilityScript

Using AI Code Generation

1Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript();2Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();3Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();4Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript();5Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript();6Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();7Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();8Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript();9Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();10Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();11Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript();12Microsoft.Playwright.Tests.PageEvaluateTests.ShouldNotLeakUtilityScript();13Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();14Microsoft.Playwright.Tests.PageEvaluateHandleTests.ShouldNotLeakUtilityScript();

ShouldNotLeakUtilityScript

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using Microsoft.Playwright.Tests;8using NUnit.Framework;9{10    {11        [PlaywrightTest("page-evaluate.spec.ts", "should not leak utility script")]12        [Test, Timeout(TestConstants.DefaultTestTimeout)]13        public async Task ShouldNotLeakUtilityScript()14        {15            await Page.GotoAsync(Server.Prefix + "/tamperable.html");16            await Page.EvaluateAsync(@"() => {17                window['playwrightFunction'] = () => true;18                window['playwrightVariable'] = 123;19            }");20            await Page.GotoAsync(Server.EmptyPage);21            await Page.EvaluateAsync(@"() => {22                window['playwrightFunction'] = () => false;23                window['playwrightVariable'] = 456;24            }");25            await Page.GotoAsync(Server.Prefix + "/tamperable.html");26            Assert.AreEqual(true, await Page.EvaluateAsync<bool>("() => window['playwrightFunction']()"));27            Assert.AreEqual(123, await Page.EvaluateAsync<int>("() => window['playwrightVariable']"));28        }29    }30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Threading.Tasks;36using Microsoft.Playwright;37using Microsoft.Playwright.Tests;38using NUnit.Framework;39{40    {41        [PlaywrightTest("page-evaluate.spec.ts", "should not leak utility script")]42        [Test, Timeout(TestConstants.DefaultTestTimeout)]43        public async Task ShouldNotLeakUtilityScript()44        {45            await Page.GotoAsync(Server.Prefix + "/tamperable.html");46            await Page.EvaluateAsync(@"() => {47                window['playwrightFunction'] = () => true;48                window['playwrightVariable'] = 123;49            }");50            await Page.GotoAsync(Server.EmptyPage);51            await Page.EvaluateAsync(@"() => {52                window['playwrightFunction'] = () => false;53                window['playwrightVariable'] = 456;54            }");55            await Page.GotoAsync(Server.Prefix + "/tamperable.html

ShouldNotLeakUtilityScript

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static async Task Main(string[] args)10        {11            await page.EvaluateAsync(@"() => {12            const div = document.createElement('div');13            div.textContent = 'hello';14            document.body.appendChild(div);15            return div;16        }");17            await page.EvaluateAsync(@"() => {18            const div = document.createElement('div');19            div.textContent = 'hello';20            document.body.appendChild(div);21            return div;22        }");23            await page.EvaluateAsync(@"() => {24            const div = document.createElement('div');25            div.textContent = 'hello';26            document.body.appendChild(div);27            return div;28        }");29            await page.EvaluateAsync(@"() => {30            const div = document.createElement('div');31            div.textContent = 'hello';32            document.body.appendChild(div);33            return div;34        }");35            await page.EvaluateAsync(@"() => {36            const div = document.createElement('div');37            div.textContent = 'hello';38            document.body.appendChild(div);39            return div;40        }");41            await page.EvaluateAsync(@"() => {42            const div = document.createElement('div');43            div.textContent = 'hello';44            document.body.appendChild(div);45            return div;46        }");47            await page.EvaluateAsync(@"() => {48            const div = document.createElement('div');49            div.textContent = 'hello';50            document.body.appendChild(div);51            return div;52        }");53            await page.EvaluateAsync(@"() => {54            const div = document.createElement('div');55            div.textContent = 'hello';56            document.body.appendChild(div);57            return div;58        }");59            await page.EvaluateAsync(@"() => {60            const div = document.createElement('div');61            div.textContent = 'hello';62            document.body.appendChild(div);63            return div;64        }");65            await page.EvaluateAsync(@"() => {66            const div = document.createElement('div');67            div.textContent = 'hello';68            document.body.appendChild(div);69            return div;70        }");71            await page.EvaluateAsync(@"() => {72            const div = document.createElement('div');73            div.textContent = 'hello';74            document.body.appendChild(div);75            return div;76        }");77            await page.EvaluateAsync(@"() => {

ShouldNotLeakUtilityScript

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Collections.Generic;5using System.Text;6using System.Threading.Tasks;7using Xunit;8using Xunit.Abstractions;9{10    {11        internal PageEvaluateTests(ITestOutputHelper output) : base(output)12        {13        }14        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]15        public async Task ShouldWork()16        {17            var result = await Page.EvaluateAsync<int>("() => 7 * 3");18            Assert.Equal(21, result);19        }20        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]21        public async Task ShouldTransferNaN()22        {23            var result = await Page.EvaluateAsync<double>("a => a", double.NaN);24            Assert.Equal(double.NaN, result);25        }26        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]27        public async Task ShouldTransferNegativeZero()28        {29            var result = await Page.EvaluateAsync<double>("a => a", -0);30            Assert.Equal(-0, result);31        }32        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]33        public async Task ShouldTransferInfinity()34        {35            var result = await Page.EvaluateAsync<double>("a => a", double.PositiveInfinity);36            Assert.Equal(double.PositiveInfinity, result);37        }38        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]39        public async Task ShouldTransferNegativeInfinity()40        {41            var result = await Page.EvaluateAsync<double>("a => a", double.NegativeInfinity);42            Assert.Equal(double.NegativeInfinity, result);43        }44        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]45        public async Task ShouldTransferArrays()46        {47            var result = await Page.EvaluateAsync<int[]>("a => a", new[] { 1, 2, 3 });48            Assert.Equal(new[] { 1, 2, 3 }, result);49        }

ShouldNotLeakUtilityScript

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            PageEvaluateTests p = new PageEvaluateTests();12            p.ShouldNotLeakUtilityScript();13        }14    }15}16using Microsoft.Playwright.Tests;17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22{23    {24        static void Main(string[] args)25        {26            PageEvaluateTests p = new PageEvaluateTests();27            p.ShouldWorkWithDifferentExecutionContexts();28        }29    }30}31using Microsoft.Playwright.Tests;32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37{38    {39        static void Main(string[] args)40        {41            PageEvaluateTests p = new PageEvaluateTests();42            p.ShouldWorkWithDifferentExecutionContexts();43        }44    }45}46using Microsoft.Playwright.Tests;47using System;48using System.Collections.Generic;49using System.Linq;50using System.Text;51using System.Threading.Tasks;52{53    {54        static void Main(string[] args)55        {56            PageEvaluateTests p = new PageEvaluateTests();57            p.ShouldWorkWithDifferentExecutionContexts();58        }59    }60}61using Microsoft.Playwright.Tests;62using System;63using System.Collections.Generic;64using System.Linq;65using System.Text;66using System.Threading.Tasks;67{68    {69        static void Main(string[] args)70        {71            PageEvaluateTests p = new PageEvaluateTests();

ShouldNotLeakUtilityScript

Using AI Code Generation

1using Microsoft.Playwright.Tests;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6using Xunit;7using Xunit.Abstractions;8{9    {10        public PageEvaluateTests(ITestOutputHelper output) : base(output)11        {12        }13        public async Task ShouldNotLeakUtilityScript()14        {15            await Page.EvaluateAsync(@"() => {16                window['result'] = 123;17                return window['result'];18            }");19            Assert.Null(await Page.EvaluateAsync(@"() => window['result']"));20        }21    }22}23using Microsoft.Playwright.Tests;24using System;25using System.Collections.Generic;26using System.Text;27using System.Threading.Tasks;28using Xunit;29using Xunit.Abstractions;30{31    {32        public PageEvaluateTests(ITestOutputHelper output) : base(output)33        {34        }35        public async Task ShouldNotLeakUtilityScript()36        {37            await Page.EvaluateAsync(@"() => {38                window['result'] = 123;39                return window['result'];40            }");41            Assert.Null(await Page.EvaluateAsync(@"() => window['result']"));42        }43    }44}45using Microsoft.Playwright.Tests;46using System;47using System.Collections.Generic;48using System.Text;49using System.Threading.Tasks;50using Xunit;51using Xunit.Abstractions;52{53    {54        public PageEvaluateTests(ITestOutputHelper output) : base(output)55        {56        }57        public async Task ShouldNotLeakUtilityScript()58        {59            await Page.EvaluateAsync(@"() => {60                window['result'] = 123;61                return window['result'];62            }");63            Assert.Null(await Page.EvaluateAsync(@"() => window['result']"));64        }65    }66}

Playwright tutorial

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Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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