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

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

PageExposeFunctionAsync

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Microsoft.Playwright.NUnit;7    using NUnit.Framework;8    {9        [PlaywrightTest("page-evaluate.spec.ts", "should work")]10        [Test, Timeout(TestConstants.DefaultTestTimeout)]11        public async Task ShouldWork()12        {13            var result = await Page.EvaluateAsync<int>("() => 7 * 3");14            Assert.AreEqual(21, result);15        }16    }17}18{19    using System;20    using System.Collections.Generic;21    using System.Text;22    using System.Threading.Tasks;23    using Microsoft.Playwright.NUnit;24    using NUnit.Framework;25    {26        [PlaywrightTest("page-evaluate.spec.ts", "should transfer NaN")]27        [Test, Timeout(TestConstants.DefaultTestTimeout)]28        public async Task ShouldTransferNaN()29        {30            var result = await Page.EvaluateAsync<double>("a => a", double.NaN);31            Assert.True(double.IsNaN(result));32        }33    }34}35{36    using System;37    using System.Collections.Generic;38    using System.Text;39    using System.Threading.Tasks;40    using Microsoft.Playwright.NUnit;41    using NUnit.Framework;42    {43        [PlaywrightTest("page-evaluate.spec.ts", "should transfer -0")]44        [Test, Timeout(TestConstants.DefaultTestTimeout)]45        public async Task ShouldTransferNegativeZero()46        {47            var result = await Page.EvaluateAsync<double>("a => a", -0);48            Assert.AreEqual(-0, result);49        }50    }51}52{53    using System;54    using System.Collections.Generic;55    using System.Text;56    using System.Threading.Tasks;57    using Microsoft.Playwright.NUnit;58    using NUnit.Framework;

PageExposeFunctionAsync

Using AI Code Generation

1{2    using System;3    using System.Collections.Generic;4    using System.Text;5    using System.Threading.Tasks;6    using Microsoft.Playwright;7    using Microsoft.Playwright.NUnit;8    using NUnit.Framework;9    using NUnit.Framework.Interfaces;10    {11        [PlaywrightTest("page-expose-function.spec.ts", "should work")]12        [Test, Timeout(TestConstants.DefaultTestTimeout)]13        public async Task ShouldWork()14        {15            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);16            var result = await Page.EvaluateAsync<int>("async () => { return await compute(9, 4); }");17            Assert.AreEqual(36, result);18        }19        [PlaywrightTest("page-expose-function.spec.ts", "should work with complex objects")]20        [Test, Timeout(TestConstants.DefaultTestTimeout)]21        public async Task ShouldWorkWithComplexObjects()22        {23            await Page.ExposeFunctionAsync("complexObject", new { foo = "bar!" });24            var result = await Page.EvaluateAsync<string>("async () => { return await complexObject.foo; }");25            Assert.AreEqual("bar!", result);26        }27        [PlaywrightTest("page-expose-function.spec.ts", "should await returned promise")]28        [Test, Timeout(TestConstants.DefaultTestTimeout)]29        public async Task ShouldAwaitReturnedPromise()30        {31            await Page.ExposeFunctionAsync("compute", (int a, int b) => Task.FromResult(a * b));32            var result = await Page.EvaluateAsync<int>("async () => { return await compute(9, 4); }");33            Assert.AreEqual(36, result);34        }35        [PlaywrightTest("page-expose-function.spec.ts", "should work right after framenavigated")]36        [Test, Timeout(TestConstants.DefaultTestTimeout)]37        public async Task ShouldWorkRightAfterFramenavigated()38        {39            await Page.ExposeFunctionAsync("compute", (int a, int b) => Task.FromResult(a * b));40            Page.FrameNavigated += (_, e) => Page.ExposeFunctionAsync("compute", (int a, int b) => Task.FromResult(a * b));41            await Page.GotoAsync(TestConstants.EmptyPage);42            var result = await Page.EvaluateAsync<int>("async () => { return await compute(9, 4); }");

PageExposeFunctionAsync

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 NUnit.Framework;9    using NUnit.Framework.Interfaces;10    {11        [PlaywrightTest("page-evaluate.spec.ts", "should work")]12        [Test, Timeout(TestConstants.DefaultTestTimeout)]13        public async Task ShouldWork()14        {15            var result = await Page.EvaluateAsync<int>("() => 7 * 3");16            Assert.AreEqual(21, result);17        }18        [PlaywrightTest("page-evaluate.spec.ts", "should transfer NaN")]19        [Test, Timeout(TestConstants.DefaultTestTimeout)]20        public async Task ShouldTransferNaN()21        {22            var result = await Page.EvaluateAsync<double>("a => a", double.NaN);23            Assert.True(double.IsNaN(result));24        }25        [PlaywrightTest("page-evaluate.spec.ts", "should transfer -0")]26        [Test, Timeout(TestConstants.DefaultTestTimeout)]27        public async Task ShouldTransferNegativeZero()28        {29            var result = await Page.EvaluateAsync<double>("a => a", -0);30            Assert.AreEqual(-0, result);31        }32        [PlaywrightTest("page-evaluate.spec.ts", "should transfer Infinity")]33        [Test, Timeout(TestConstants.DefaultTestTimeout)]34        public async Task ShouldTransferInfinity()35        {36            var result = await Page.EvaluateAsync<double>("a => a", double.PositiveInfinity);37            Assert.AreEqual(double.PositiveInfinity, result);38        }39        [PlaywrightTest("page-evaluate.spec.ts", "should transfer -Infinity")]40        [Test, Timeout(TestConstants.DefaultTestTimeout)]41        public async Task ShouldTransferNegativeInfinity()42        {43            var result = await Page.EvaluateAsync<double>("a => a", double.NegativeInfinity);44            Assert.AreEqual(double.NegativeInfinity, result);45        }46        [PlaywrightTest("page-evaluate.spec.ts", "should transfer arrays")]47        [Test, Timeout(TestConstants.DefaultTestTimeout)]48        public async Task ShouldTransferArrays()49        {50            var result = await Page.EvaluateAsync<int[]>("a => a", new[] { 1, 2, 3 });51            Assert.AreEqual(new[] { 1, 2, 3 }, result);52        }53        [PlaywrightTest("page-evaluate.spec.ts", "should transfer arrays as

PageExposeFunctionAsync

Using AI Code Generation

1var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);2Console.WriteLine(result);3var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);4Console.WriteLine(result);5var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);6Console.WriteLine(result);7var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);8Console.WriteLine(result);9var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);10Console.WriteLine(result);11var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);12Console.WriteLine(result);13var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);14Console.WriteLine(result);15var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);16Console.WriteLine(result);17var result = await Page.ExposeFunctionAsync("add", (int a, int b) => a + b);18Console.WriteLine(result);19var result = await Page.ExposeFunctionAsync("add",

PageExposeFunctionAsync

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.Playwright;7using NUnit.Framework;8{9    [Parallelizable(ParallelScope.Self)]10    {11        [PlaywrightTest("page-evaluate.spec.ts", "should work")]12        [Test, Timeout(TestConstants.DefaultTestTimeout)]13        public async Task ShouldWork()14        {15            await Page.ExposeFunctionAsync("compute", (int a, int b) => a * b);16            var result = await Page.EvaluateAsync<int>("async function() { return await compute(9, 4); }");17            Assert.AreEqual(36, result);18        }19        [PlaywrightTest("page-evaluate.spec.ts", "should work with handle")]20        [Test, Timeout(TestConstants.DefaultTestTimeout)]21        public async Task ShouldWorkWithHandle()22        {23            await Page.ExposeFunctionAsync("readme", (IJSHandle handle) => handle.AsElement().TextContentAsync());24            var result = await Page.EvaluateAsync<string>("async function() { return await readme(document.body); }");25            Assert.AreEqual("Hello", result);26        }27        [PlaywrightTest("page-evaluate.spec.ts", "should work with complex objects")]28        [Test, Timeout(TestConstants.DefaultTestTimeout)]29        public async Task ShouldWorkWithComplexObjects()30        {31            await Page.ExposeFunctionAsync("complexObject", (object a, object b) => new { a, b });32            var result = await Page.EvaluateAsync<object>("async function() { return await complexObject({foo: 'bar'}, 9); }");33            Assert.AreEqual(new { foo = "bar" }, ((Dictionary<string, object>)result)["a"]);34            Assert.AreEqual(9, ((Dictionary<string, object>)result)["b"]);35        }36        [PlaywrightTest("page-evaluate.spec.ts", "should work with null")]37        [Test, Timeout(TestConstants.DefaultTestTimeout)]38        public async Task ShouldWorkWithNull()39        {40            await Page.ExposeFunctionAsync("complexObject", (object a, object b) => new { a, b });41            var result = await Page.EvaluateAsync<object>("async function() { return await complexObject(null, 9); }");42            Assert.Null(((Dictionary<string,

Playwright tutorial

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