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How to use ShouldEmulateForcedColors method of Microsoft.Playwright.Tests.PageEmulateMediaTests class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Tests.PageEmulateMediaTests.ShouldEmulateForcedColors

PageEmulateMediaTests.cs

Source:PageEmulateMediaTests.cs

...140            await Page.EmulateMediaAsync(new() { ReducedMotion = ReducedMotion.Null });141        }142        [PlaywrightTest("page-emulate-media.spec.ts", "should emulate forcedColors")]143        [Skip(SkipAttribute.Targets.Webkit)] // see: https://bugs.webkit.org/show_bug.cgi?id=225281144        public async Task ShouldEmulateForcedColors()145        {146            Assert.IsTrue(await Page.EvaluateAsync<bool>("() => matchMedia('(forced-colors: none)').matches"));147            await Page.EmulateMediaAsync(new() { ForcedColors = ForcedColors.None });148            Assert.IsTrue(await Page.EvaluateAsync<bool>("() => matchMedia('(forced-colors: none)').matches"));149            Assert.IsFalse(await Page.EvaluateAsync<bool>("() => matchMedia('(forced-colors: active)').matches"));150            await Page.EmulateMediaAsync(new() { ForcedColors = ForcedColors.Active });151            Assert.IsFalse(await Page.EvaluateAsync<bool>("() => matchMedia('(forced-colors: none)').matches"));152            Assert.IsTrue(await Page.EvaluateAsync<bool>("() => matchMedia('(forced-colors: active)').matches"));153            await Page.EmulateMediaAsync(new() { ForcedColors = ForcedColors.Null });154            Assert.IsTrue(await Page.EvaluateAsync<bool>("() => matchMedia('(forced-colors: none)').matches"));155        }156    }157}...

ShouldEmulateForcedColors

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 Microsoft.Playwright.Tests.BaseTests;9using Microsoft.Playwright.Transport.Channels;10using Microsoft.Playwright.Transport.Protocol;11using Xunit;12using Xunit.Abstractions;13{14    {15        public PageEmulateMediaTests(ITestOutputHelper output) : base(output)16        {17        }18        [PlaywrightTest("page-emulate-media.spec.ts", "should work")]19        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]20        public async Task ShouldWork()21        {22            await Page.EmulateMediaAsync(new PageEmulateMediaOptions23            {24            });25            Assert.Equal("print", await Page.EvaluateAsync<string>("() => matchMedia('screen').media"));26            Assert.Equal("print", await Page.EvaluateAsync<string>("() => matchMedia('not all and (min-width: 1px)').media")

ShouldEmulateForcedColors

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 Xunit;8    using Xunit.Abstractions;9    {10        public PageEmulateMediaTests(ITestOutputHelper output) : base(output)11        {12        }13        [PlaywrightTest("page-emulate-media.spec.ts", "should emulate forced-colors")]14        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]15        public async Task ShouldEmulateForcedColors()16        {17            await Page.EmulateMediaAsync(new Media { ColorScheme = ColorScheme.Dark });18            await Page.SetContentAsync("<div id=\"foo\">hello</div>");19            Assert.Equal("rgb(255, 255, 255)", await Page.EvaluateAsync<string>("window.getComputedStyle(document.querySelector('div')).color"));20            await Page.EmulateMediaAsync(new Media { ForcedColors = true });21            Assert.Equal("rgb(0, 0, 0)", await Page.EvaluateAsync<string>("window.getComputedStyle(document.querySelector('div')).color"));22        }23    }24}25{26    using System;27    using System.Collections.Generic;28    using System.Linq;29    using System.Text;30    using System.Threading.Tasks;31    using Xunit;32    using Xunit.Abstractions;33    {34        public PageEmulateMediaTests(ITestOutputHelper output) : base(output)35        {36        }37        [PlaywrightTest("page-emulate-media.spec.ts", "should emulate prefers-reduced-motion")]38        [Fact(Timeout = PlaywrightSharp.Playwright.DefaultTimeout)]39        public async Task ShouldEmulatePrefersReducedMotion()40        {

ShouldEmulateForcedColors

Using AI Code Generation

1await page.EmulateMediaAsync("forced-colors");2await page.EmulateMediaAsync("dark");3await page.EmulateMediaAsync("reduce");4await page.EmulateMediaAsync("reduce");5await page.EmulateMediaAsync("high");6await page.EmulateMediaAsync("reduce");

Playwright tutorial

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