diff --git a/RueI/RueI/Parsing/ParserContext.cs b/RueI/RueI/Parsing/ParserContext.cs
index fe3d652..2d79a98 100644
--- a/RueI/RueI/Parsing/ParserContext.cs
+++ b/RueI/RueI/Parsing/ParserContext.cs
@@ -83,7 +83,7 @@ public void RemoveEndingTag<T>()
     /// <summary>
     /// Applies the <see cref="endingTags"/> and closing <see cref="SizeTags"/> tags to this <see cref="ParserContext"/>.
     /// </summary>
-    internal void ApplyClosingTags()
+    public void ApplyClosingTags()
     {
         foreach (NoParamsTag tag in endingTags)
         {
diff --git a/RueITests/TestExtensions.cs b/RueITests/TestExtensions.cs
new file mode 100644
index 0000000..393177a
--- /dev/null
+++ b/RueITests/TestExtensions.cs
@@ -0,0 +1,41 @@
+using RueI.Extensions;
+
+namespace RueITest;
+
+[TestClass]
+public class TestExtensions
+{
+    [TestMethod]
+    public void TestIComparable()
+    {
+        int seven = 7;
+
+        Assert.AreEqual(10, seven.Max(10));
+        Assert.AreEqual(7, seven.Max(5));
+
+        Assert.AreEqual(7, seven.MaxIf(true, 49));
+        Assert.AreEqual(49, seven.MaxIf(false, 49));
+    }
+
+    [TestMethod]
+    public void TestICollection()
+    {
+        List<int> list = new();
+
+        list.Add(1, 2, 3);
+
+        Assert.AreEqual(3, list.Count);
+    }
+
+    [TestMethod]
+    public void TestUniversal()
+    {
+        List<string> list = new();
+
+        "hello".AddTo(list);
+        "world".AddTo(list);
+
+        Assert.AreEqual(2, list.Count);
+    }
+}
+///"\"hello world - - - again\""
\ No newline at end of file
diff --git a/RueITests/TestTags.cs b/RueITests/TestTags.cs
index 6b3d472..ed0c0f5 100644
--- a/RueITests/TestTags.cs
+++ b/RueITests/TestTags.cs
@@ -1,7 +1,8 @@
 using RueI;
+using RueI.Enums;
 using RueI.Parsing;
 using RueI.Parsing.Tags;
-using System.Linq;
+using RueI.Records;
 
 namespace RueITest;
 
@@ -15,12 +16,51 @@ public class RealTag : NoParamsTag
 {
     public override string[] Names { get; } = { "hello" };
 
-    public override bool HandleTag(ParserContext context) => throw new NotImplementedException();
+    public override bool HandleTag(ParserContext context)
+    {
+        context.ResultBuilder.Append("hello from RealTag!");
+        return true;
+    }
+}
+
+[RichTextTag]
+public class RealTagTwo : NoParamsTag
+{
+    public override string[] Names { get; } = { "world" };
+
+    public override bool HandleTag(ParserContext context)
+    {
+        context.ResultBuilder.Append("world from RealTagTwo!");
+        return true;
+    }
 }
 
 [TestClass]
 public class TestTags
 {
+    [TestMethod]
+    public void TestParserContext()
+    {
+        ParserContext context = new();
+        context.AddEndingTag<RealTag>();
+
+        context.AddEndingTag<RealTagTwo>();
+        context.RemoveEndingTag<RealTagTwo>();
+
+        context.ApplyClosingTags();
+
+        Assert.AreEqual("hello from RealTag!", context.ResultBuilder.ToString());
+    }
+
+    [TestMethod]
+    [Description("Tests the measurement info parsing")]
+    public void CreateMeasurementInfo_ShouldSucceed()
+    {
+        Assert.IsTrue(MeasurementInfo.TryParse("50.5px", out MeasurementInfo info));
+        Assert.AreEqual(50.5, info.Value, 0.001);
+        Assert.AreEqual(MeasurementUnit.Pixels, info.Style);
+    }
+
     [TestMethod]
     public void TestTagBuilding()
     {
@@ -29,14 +69,14 @@ public void TestTagBuilding()
         builder.AddFromAssembly(typeof(TestTags).Assembly);
         Parser parser = builder.Build();
 
-        Assert.AreEqual(1, parser.Tags.Count);
+        Assert.AreEqual(2, parser.Tags.Count);
         Assert.IsTrue(parser.Tags.Values.Any(x => x.Contains(SharedTag<RealTag>.Singleton)));
     }
 
     [TestMethod]
     [DataRow("\"hello  !!!         \nworld")]
     [DataRow("hello world again\"")]
-    public void TestQuoteFailures(string input)
+    public void TestQuoteProcessing_ShouldNull(string input)
     {
         string? shouldNull = TagHelpers.ExtractFromQuotations(input);
 
@@ -47,7 +87,7 @@ public void TestQuoteFailures(string input)
     [DataRow("\"hello world - - - again\"")]
     [DataRow("hello \n\n\nworld")]
     [DataRow("")]
-    public void TestQuoteSuccess(string input)
+    public void TestQuoteProcessing_ShouldExist(string input)
     {
         string? shouldExist = TagHelpers.ExtractFromQuotations(input);