dotnet/test/common/ElementPropertyTest.cs

// <copyright file="ElementPropertyTest.cs" company="Selenium Committers">
// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
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// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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using NUnit.Framework;

namespace OpenQA.Selenium;

[TestFixture]
public class ElementPropertyTest : DriverTestFixture
{
    [Test]
    [IgnoreBrowser(Browser.Remote)]
    public void ShouldReturnNullWhenGettingTheValueOfAPropertyThatIsNotListed()
    {
        driver.Url = simpleTestPage;
        IWebElement head = driver.FindElement(By.XPath("/html"));
        string attribute = head.GetDomProperty("cheese");
        Assert.That(attribute, Is.Null);
    }

    [Test]
    [IgnoreBrowser(Browser.Remote)]
    public void CanRetrieveTheCurrentValueOfAProperty()
    {
        driver.Url = formsPage;
        IWebElement element = driver.FindElement(By.Id("working"));

        Assert.That(element.GetDomProperty("value"), Is.Empty);
        element.SendKeys("hello world");
        Assert.That(element.GetDomProperty("value"), Is.EqualTo("hello world"));
    }
}