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

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

PageEvaluateTests.cs

Source:PageEvaluateTests.cs

...98            double nzero = await Page.EvaluateAsync<double>("value => Promise.resolve(value)", -0d);99            Assert.AreEqual(-0, nzero);100        }101        [PlaywrightTest("page-evaluate.spec.ts", "should roundtrip promise to unserializable values")]102        public async Task ShouldRoundtripPromiseToUnserializableValues()103        {104            dynamic value = new105            {106                infinity = double.PositiveInfinity,107                nInfinity = double.NegativeInfinity,108                nZero = -0d,109                nan = double.NaN,110            };111            dynamic result = await Page.EvaluateAsync<ExpandoObject>("value => Promise.resolve(value)", value);112            Assert.AreEqual(value.infinity, result.infinity);113            Assert.AreEqual(value.nInfinity, result.nInfinity);114            Assert.AreEqual(value.nZero, result.nZero);115            Assert.AreEqual(value.nan, result.nan);116        }...

ShouldRoundtripPromiseToUnserializableValues

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var context = await browser.NewContextAsync();13            var page = await context.NewPageAsync();14            var result = await page.EvaluateAsync<object>("() => Promise.resolve(window)");15            await page.CloseAsync();16        }17    }18}19Unhandled exception. System.TypeInitializationException: The type initializer for 'Microsoft.Playwright.Playwright' threw an exception. ---> System.AggregateException: One or more errors occurred. (System.TypeInitializationException: The type initializer for 'Microsoft.Playwright.Playwright' threw an exception. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Playwright.Helper' threw an exception. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Playwright.Playwright' threw an exception. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Playwright.Helper' threw an exception. ---> System.TypeInitializationException: The type initializer for 'Microsoft.Playwright.Playwright' threw

ShouldRoundtripPromiseToUnserializableValues

Using AI Code Generation

1public void ShouldRoundtripPromiseToUnserializableValues()2{3    Microsoft.Playwright.Tests.PageEvaluateTests.ShouldRoundtripPromiseToUnserializableValues();4}5public void ShouldRoundtripPromiseToUnserializableValues()6{7    Microsoft.Playwright.Tests.PageEvaluateTests.ShouldRoundtripPromiseToUnserializableValues();8}9public void ShouldRoundtripPromiseToUnserializableValues()10{11    Microsoft.Playwright.Tests.PageEvaluateTests.ShouldRoundtripPromiseToUnserializableValues();12}13public void ShouldRoundtripPromiseToUnserializableValues()14{15    Microsoft.Playwright.Tests.PageEvaluateTests.ShouldRoundtripPromiseToUnserializableValues();16}17public void ShouldRoundtripPromiseToUnserializableValues()18{19    Microsoft.Playwright.Tests.PageEvaluateTests.ShouldRoundtripPromiseToUnserializableValues();20}21public void ShouldRoundtripPromiseToUnserializableValues()22{23    Microsoft.Playwright.Tests.PageEvaluateTests.ShouldRoundtripPromiseToUnserializableValues();24}

ShouldRoundtripPromiseToUnserializableValues

Using AI Code Generation

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 Microsoft.Playwright.NUnit;9    using NUnit.Framework;10    [Parallelizable(ParallelScope.Self)]11    {12        [PlaywrightTest("page-evaluate.spec.ts", "should roundtrip promise to unserializable values")]13        [Test, Timeout(TestConstants.DefaultTestTimeout)]14        public async Task ShouldRoundtripPromiseToUnserializableValues()15        {16            await Page.EvaluateAsync(@"() => {17                window.__FOO = Promise.resolve(window);18            }");19            var result = await Page.EvaluateAsync<JSHandle>("() => window.__FOO");20            Assert.AreEqual(await result.JsonValueAsync(), "JSHandle@object");21        }22    }23}24{25    using System;26    using System.Collections.Generic;27    using System.Linq;28    using System.Text;29    using System.Threading.Tasks;30    using Microsoft.Playwright;31    using Microsoft.Playwright.NUnit;32    using NUnit.Framework;33    [Parallelizable(ParallelScope.Self)]34    {35        [PlaywrightTest("page-evaluate.spec.ts", "should roundtrip promise to unserializable values")]36        [Test, Timeout(TestConstants.DefaultTestTimeout)]37        public async Task ShouldRoundtripPromiseToUnserializableValues()38        {39            await Page.EvaluateAsync(@"() => {40                window.__FOO = Promise.resolve(window);41            }");42            var result = await Page.EvaluateAsync<JSHandle>("() => window.__FOO");43            Assert.AreEqual(await result.JsonValueAsync(), "JSHandle@object");44        }45    }46}47{48    using System;49    using System.Collections.Generic;50    using System.Linq;51    using System.Text;52    using System.Threading.Tasks;53    using Microsoft.Playwright;54    using Microsoft.Playwright.NUnit;

ShouldRoundtripPromiseToUnserializableValues

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using NUnit.Framework;4using System;5using System.Collections.Generic;6using System.Linq;7using System.Text;8using System.Threading.Tasks;9using System.Threading;10{11    {12        public async Task TestMethod()13        {14            using var playwright = await Playwright.CreateAsync();15            await using var browser = await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions16            {17            });18            var context = await browser.NewContextAsync();19            var page = await context.NewPageAsync();20            var result = await page.EvaluateAsync<object>("() => Promise.resolve(window)");21            Assert.AreEqual(result, page.MainFrame);22        }23    }24}

ShouldRoundtripPromiseToUnserializableValues

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Threading.Tasks;5using Microsoft.Playwright;6using Xunit;7{8    {9        public async Task ShouldRoundtripPromiseToUnserializableValues()10        {11            await Page.EvaluateAsync<object>("() => window['a'] = { a: 1 }");12            var result = await Page.EvaluateAsync<object>("() => window['a']");13            Assert.Equal(1, result);14        }15    }16}

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
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.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
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Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.