Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageEvaluateTests.ShouldWorkWithOverwrittenPromise
PageEvaluateTests.cs
Source:PageEvaluateTests.cs  
...260            double result = await Page.EvaluateAsync<double>("() => -Infinity");261            Assert.AreEqual(double.NegativeInfinity, result);262        }263        [PlaywrightTest("page-evaluate.spec.ts", "should work with overwritten Promise")]264        public async Task ShouldWorkWithOverwrittenPromise()265        {266            await Page.EvaluateAsync(@"() => {267              const originalPromise = window.Promise;268              class Promise2 {269                static all(...arg) {270                  return wrap(originalPromise.all(...arg));271                }272                static race(...arg) {273                  return wrap(originalPromise.race(...arg));274                }275                static resolve(...arg) {276                  return wrap(originalPromise.resolve(...arg));277                }278                constructor(f, r) {...ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1using Microsoft.Playwright;2using Microsoft.Playwright.Tests;3using System;4using System.Threading.Tasks;5using Xunit;6using Xunit.Abstractions;7{8    {9        internal PageEvaluateTests(ITestOutputHelper output) : base(output)10        {11        }12        public async Task ShouldWorkWithOverwrittenPromise()13        {14            await Page.EvaluateAsync<string>("() => window['Promise'] = class MyPromise extends Promise {}");15            var result = await Page.EvaluateAsync<string>("() => Promise.resolve(8 * 7)");16            Assert.Equal("56", result);17        }18    }19}ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1using Microsoft.Playwright.Tests;2using System;3using System.Threading.Tasks;4using Xunit;5using Xunit.Abstractions;6{7    {8        public PageEvaluateTests(ITestOutputHelper output) : base(output)9        {10        }11        public async Task ShouldWorkWithOverwrittenPromise()12        {13            await Page.EvaluateAsync(@"() => {14                window['Promise'] = class MyPromise {};15            }");16            var result = await Page.EvaluateAsync<JsonElement>("() => Promise.resolve(8 * 7)");17            Assert.Equal(56, result.GetDouble());18        }19    }20}ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1using Microsoft.Playwright.Tests;2using Microsoft.Playwright.Tests.BaseTests;3using Microsoft.Playwright.Tests.Helpers;4using Microsoft.Playwright.Tests.TestServer;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10using Xunit;11using Xunit.Abstractions;12{13    [Trait("Category", "chromium")]14    [Trait("Category", "firefox")]15    [Trait("Category", "webkit")]16    {17        internal PageEvaluateTests(ITestOutputHelper output) : base(output)18        {19        }20        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]21        public async Task ShouldWorkWithOverwrittenPromise()22        {23            await Page.EvaluateAsync(@"() => {24                window.Promise = class CustomPromise extends Promise {};25                window.result = new CustomPromise(r => r(123));26            }");27            var result = await Page.EvaluateAsync<int>("() => window.result");28            Assert.Equal(123, result);29        }30    }31}ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.NUnit;5using NUnit.Framework;6{7    [Parallelizable(ParallelScope.Self)]8    {9        [PlaywrightTest("page-evaluate.spec.ts", "should work with overwritten Promise")]10        [Test, Timeout(TestConstants.DefaultTestTimeout)]11        public async Task ShouldWorkWithOverwrittenPromise()12        {13            await Page.EvaluateAsync(@"() => {14                window['Promise'] = class Promise {15                    constructor(x) {16                        x(() => {}, () => {});17                    }18                };19            }");20            var result = await Page.EvaluateAsync<int>("() => new Promise(f => f(7 * 8))");21            Assert.AreEqual(56, result);22        }23    }24}ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using Microsoft.Playwright.Tests;4{5    {6        public async Task ShouldWorkWithOverwrittenPromise()7        {8            var result = await page.EvaluateAsync<int>("() => Promise.resolve(8 * 7)");9            Assert.AreEqual(56, result);10        }11    }12}13using System;14using System.Threading.Tasks;15using Microsoft.Playwright.Tests;16{17    {18        public async Task ShouldWorkWithOverwrittenPromise()19        {20            var result = await page.EvaluateAsync<int>("() => Promise.resolve(8 * 7)");21            Assert.AreEqual(56, result);22        }23    }24}25using System;26using System.Threading.Tasks;27using Microsoft.Playwright.Tests;28{29    {30        public async Task ShouldWorkWithOverwrittenPromise()31        {32            var result = await page.EvaluateAsync<int>("() => Promise.resolve(8 * 7)");33            Assert.AreEqual(56, result);34        }35    }36}37using System;38using System.Threading.Tasks;39using Microsoft.Playwright.Tests;40{41    {42        public async Task ShouldWorkWithOverwrittenPromise()43        {44            var result = await page.EvaluateAsync<int>("() => Promise.resolve(8 * 7)");45            Assert.AreEqual(56, result);46        }47    }48}49using System;50using System.Threading.Tasks;51using Microsoft.Playwright.Tests;52{ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1{2    {3        internal PageEvaluateTests(ITestOutputHelper output) : base(output)4        {5        }6        public async Task ShouldWorkWithOverwrittenPromise()7        {8            await Page.EvaluateAsync(@"() => {9                window.Promise = class Promise {10                    constructor(executor) {11                        executor(() => {}, () => {});12                    }13                };14            }");15            var result = await Page.EvaluateAsync<int>("() => Promise.resolve(8 * 7)");16            Assert.Equal(56, result);17        }18    }19}ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1await page.EvaluateAsync<object>("() => window.__FOO = 123");2await page.EvaluateAsync<object>("() => window.__FOO = 123");3await page.EvaluateAsync<object>("() => window.__FOO = 123");4await page.EvaluateAsync<object>("() => window.__FOO = 123");5await page.EvaluateAsync<object>("() => window.__FOO = 123");6await page.EvaluateAsync<object>("() => window.__FOO = 123");7await page.EvaluateAsync<object>("() => window.__FOO = 123");8await page.EvaluateAsync<object>("() => window.__FOO = 123");9await page.EvaluateAsync<object>("() => window.__FOO = 123");10await page.EvaluateAsync<object>("() => window.__FOO = 123");ShouldWorkWithOverwrittenPromise
Using AI Code Generation
1var page = await browser.NewPageAsync();2var result = await page.EvaluateAsync<ShouldWorkWithOverwrittenPromiseResult>("() => {3    let fulfill;4    const promise = new Promise(x => fulfill = x);5    promise['foo'] = 'bar';6    fulfill('hit');7    return promise;8}");9Assert.AreEqual("hit", result.Value);10Assert.AreEqual("bar", result.Foo);11var page = await browser.NewPageAsync();12var result = await page.EvaluateAsync<ShouldWorkWithOverwrittenPromiseResult>("() => {13    let fulfill;14    const promise = new Promise(x => fulfill = x);15    promise['foo'] = 'bar';16    fulfill('hit');17    return promise;18}");19Assert.AreEqual("hit", result.Value);20Assert.AreEqual("bar", result.Foo);21var page = await browser.NewPageAsync();22var result = await page.EvaluateAsync<ShouldWorkWithOverwrittenPromiseResult>("() => {23    let fulfill;24    const promise = new Promise(x => fulfill = x);25    promise['foo'] = 'bar';26    fulfill('hit');27    return promise;28}");29Assert.AreEqual("hit", result.Value);30Assert.AreEqual("bar", result.Foo);31var page = await browser.NewPageAsync();32var result = await page.EvaluateAsync<ShouldWorkWithOverwrittenPromiseResult>("() => {33    let fulfill;34    const promise = new Promise(x => fulfill = x);35    promise['foo'] = 'bar';36    fulfill('hit');37    return promise;38}");39Assert.AreEqual("hit", result.Value);40Assert.AreEqual("bar", result.Foo);41var page = await browser.NewPageAsync();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.
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