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Ryujinx/Ryujinx.Tests/HLE/SoftwareKeyboardTests.cs
Logan Stromberg 2c9ab5e45f
Prevent raw Unicode control codes from showing on software keyboard applet. (#3845)
* Revert "Add support for releasing a semaphore to DmaClass (#2926)"

This reverts commit 521a07e612.

* Revert "Revert "Add support for releasing a semaphore to DmaClass (#2926)""

This reverts commit ec8a5fd053.

* Strip non-visible control codes from strings before they are sent to the software keyboard to prevent ugly unicode blocks from being shown on the UI.

* remove debugging junk

* Initialize stringbuilder capacity at the start to prevent resizing (a tiny tiny microoptimization)

* Update remarks documentation. Remove unneeded imports.

* Removing a test that's actually just redundant

Co-authored-by: Logan Stromberg <lostromb@microsoft.com>
2022-11-16 23:53:17 +01:00

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using NUnit.Framework;
using Ryujinx.HLE.HOS.Applets;
using System.Text;
namespace Ryujinx.Tests.HLE
{
public class SoftwareKeyboardTests
{
[Test]
public void StripUnicodeControlCodes_NullInput()
{
Assert.IsNull(SoftwareKeyboardApplet.StripUnicodeControlCodes(null));
}
[Test]
public void StripUnicodeControlCodes_EmptyInput()
{
Assert.AreEqual(string.Empty, SoftwareKeyboardApplet.StripUnicodeControlCodes(string.Empty));
}
[Test]
public void StripUnicodeControlCodes_Passthrough()
{
string[] prompts = new string[]
{
"Please name him.",
"Name her, too.",
"Name your friend.",
"Name another friend.",
"Name your pet.",
"Favorite homemade food?",
"Whats your favorite thing?",
"Are you sure?",
};
foreach (string prompt in prompts)
{
Assert.AreEqual(prompt, SoftwareKeyboardApplet.StripUnicodeControlCodes(prompt));
}
}
[Test]
public void StripUnicodeControlCodes_StripsNewlines()
{
Assert.AreEqual("I am very tall", SoftwareKeyboardApplet.StripUnicodeControlCodes("I \r\nam \r\nvery \r\ntall"));
}
[Test]
public void StripUnicodeControlCodes_StripsDeviceControls()
{
// 0x13 is control code DC3 used by some games
string specialInput = Encoding.UTF8.GetString(new byte[] { 0x13, 0x53, 0x68, 0x69, 0x6E, 0x65, 0x13 });
Assert.AreEqual("Shine", SoftwareKeyboardApplet.StripUnicodeControlCodes(specialInput));
}
[Test]
public void StripUnicodeControlCodes_StripsToEmptyString()
{
string specialInput = Encoding.UTF8.GetString(new byte[] { 17, 18, 19, 20 }); // DC1 - DC4 special codes
Assert.AreEqual(string.Empty, SoftwareKeyboardApplet.StripUnicodeControlCodes(specialInput));
}
[Test]
public void StripUnicodeControlCodes_PreservesMultiCodePoints()
{
// Turtles are a good example of multi-codepoint Unicode chars
string specialInput = "♀ 🐢 🐢 ♂ ";
Assert.AreEqual(specialInput, SoftwareKeyboardApplet.StripUnicodeControlCodes(specialInput));
}
}
}