[Xamarin.MacDev] Add a PDictionary.TryGetStringValue method.

UnitTests/PListObjectTests.cs

@@ -87,7 +87,11 @@ public void TestIntegerXmlSerialization ()
 
 			using (var stream = GetType ().Assembly.GetManifestResourceStream ("UnitTests.TestData.PropertyLists.xml-integers.plist")) {
 				var buffer = new byte [stream.Length];
+#if NET7_0_OR_GREATER
+				stream.ReadExactly (buffer, 0, buffer.Length);
+#else
 				stream.Read (buffer, 0, buffer.Length);
+#endif
 
 				expected = Encoding.UTF8.GetString (buffer);
 			}
@@ -117,6 +121,25 @@ public void TestIntegerBinarySerialization ()
 				Assert.That (integer.Value, Is.EqualTo (kvp.Value));
 			}
 		}
+
+		[Test]
+		public void TestStrings ()
+		{
+			PDictionary plist;
+
+			using (var stream = GetType ().Assembly.GetManifestResourceStream ($"UnitTests.TestData.PropertyLists.strings.plist"))
+				plist = (PDictionary) PObject.FromStream (stream);
+
+			Assert.That (plist.Count, Is.EqualTo (2));
+
+			Assert.That (plist.TryGetValue<PString> ("KeyA", out var valueA), Is.True);
+			Assert.That (valueA.Value, Is.EqualTo ("ValueA"));
+			Assert.That (plist.TryGetStringValue ("KeyA", out var valueAString));
+			Assert.That (valueAString, Is.EqualTo ("ValueA"));
+
+			Assert.That (plist.TryGetStringValue ("✅", out var emojiValue), Is.True);
+			Assert.That (emojiValue, Is.EqualTo ("❌"));
+		}
 	}
 }
 

UnitTests/TestData/PropertyLists/strings.plist

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>KeyA</key>
+	<string>ValueA</string>
+	<key>✅</key>
+	<string>❌</string>
+</dict>
+</plist>

UnitTests/UnitTests.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net472</TargetFramework>
+    <TargetFrameworks>net472;net10.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="NUnit" Version="4.1.0" />
@@ -10,6 +10,8 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="NUnit.ConsoleRunner" Version="3.18.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0" />
   </ItemGroup>
   <ItemGroup>
     <None Remove="TestData\PropertyLists\" />
@@ -29,5 +31,6 @@
   <ItemGroup>
     <EmbeddedResource Include="TestData\PropertyLists\binary-integers.plist" />
     <EmbeddedResource Include="TestData\PropertyLists\xml-integers.plist" />
+    <EmbeddedResource Include="TestData\PropertyLists\strings.plist" />
   </ItemGroup>
 </Project>

Xamarin.MacDev/PListObject.cs

@@ -677,6 +677,17 @@ public bool TryGetValue<T> (string key, [NotNullWhen (true)] out T? value) where
 			return false;
 		}
 
+		public bool TryGetStringValue (string key, [NotNullWhen (true)] out string? value)
+		{
+			if (TryGetValue<PString> (key, out var obj)) {
+				value = obj.Value;
+				return true;
+			}
+
+			value = null;
+			return false;
+		}
+
 #if POBJECT_MONOMAC
 		public override NSObject Convert ()
 		{