public void SingleLineCommentsAreDiscovered()
{
var expression = "var a = 1 + 3; // comment";
var result = new CSharpParser().Parse(expression);
var aChunk = result.TextChunks.First(ch => ch.TextValue == "// comment");
ExpressionHelper.Check(expression, result);
Assert.Equal(CodeType.Comment, aChunk.CodeType);
}
public void IfIsIdentifiedAsKeyword()
{
var expression = "if (System.Console.ReadLine() == \"a\") { System.Console.WriteLine(\"Oh!\"); }";
var result = new CSharpParser().Parse(expression);
var ifChunk = result.TextChunks.First(ch => ch.TextValue == "if");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Keyword, ifChunk.CodeType);
}
public void NamespaceInUsingIsRecognized()
{
var expression = "using System.Collections.Generic;";
var result = new CSharpParser().Parse(expression);
var namespaceChunk = result.TextChunks.First(ch => ch.TextValue == "Generic");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Namespace, namespaceChunk.CodeType);
Assert.Equal("namespace System.Collections.Generic", namespaceChunk.TooltipValue);
}
public void SimpleMethodIsMarkedAsMethod()
{
var expression = "string.Join(\",\", new[]{\"a\", \"b\"})";
var result = new CSharpParser().Parse(expression);
var intChunk = result.TextChunks.First(ch => ch.TextValue == "Join");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Method, intChunk.CodeType);
Assert.Equal("string string.Join(string separator, params string[] value)", intChunk.TooltipValue);
}
public void OverloadResolutionWorks()
{
var expression = "string.Join(\",\", new[]{2, 5})";
var result = new CSharpParser().Parse(expression);
var intChunk = result.TextChunks.First(ch => ch.TextValue == "Join");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Method, intChunk.CodeType);
Assert.Equal("string string.Join<int>(string separator, System.Collections.Generic.IEnumerable<int> values)", intChunk.TooltipValue);
}
public void InitializationTypeType()
{
var expression = "var a = new System.Int32();";
var result = new CSharpParser().Parse(expression);
var intChunk = result.TextChunks.First(ch => ch.TextValue == "Int32");
ExpressionHelper.Check(expression, result);
Assert.Equal(CodeType.Type, intChunk.CodeType);
Assert.Equal("struct System.Int32", intChunk.TooltipValue);
}
public void DeclarationGenericTypeType()
{
var expression = "System.Tuple<int, int> a = System.Tuple.Create(1, 1);";
var result = new CSharpParser().Parse(expression);
var intChunk = result.TextChunks.First(ch => ch.TextValue == "Tuple");
ExpressionHelper.Check(expression, result);
Assert.Equal(CodeType.Type, intChunk.CodeType);
Assert.Equal("class System.Tuple", intChunk.TooltipValue);
}
public void DeclarationPredefinedTypeType()
{
var expression = "int a = 1 + 3;";
var result = new CSharpParser().Parse(expression);
var intChunk = result.TextChunks.First(ch => ch.TextValue == "int");
ExpressionHelper.Check(expression, result);
Assert.Equal(CodeType.Keyword, intChunk.CodeType);
Assert.Equal("struct System.Int32", intChunk.TooltipValue);
}
public void ItemPropertyOfTupleIsDiscovered()
{
var expression = "var t = System.Tuple.Create(1, 2, 3); System.Console.WriteLine(t.Item2);";
var result = new CSharpParser().Parse(expression);
var propertyChunk = result.TextChunks.First(ch => ch.TextValue == "Item2");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Property, propertyChunk.CodeType);
Assert.Equal("System.Tuple<int, int, int>.Item2", propertyChunk.TooltipValue);
}
public void VariableMentionType()
{
var expression = "var a = 1 + 3; var b = a;";
var result = new CSharpParser().Parse(expression);
var aMention = result.TextChunks.Where(ch => ch.TextValue == "a").Skip(1).First();
ExpressionHelper.Check(expression, result);
Assert.Equal(CodeType.Variable, aMention.CodeType);
Assert.Equal("struct System.Int32", aMention.TooltipValue);
}
public void VarType()
{
var expression = "var a = 1 + 3;";
var result = new CSharpParser().Parse(expression);
var varChunk = result.TextChunks.First(ch => ch.TextValue == "var");
ExpressionHelper.Check(expression, result);
Assert.Equal(CodeType.Keyword, varChunk.CodeType);
Assert.Equal("struct System.Int32", varChunk.TooltipValue);
}
public void ClassIsIdentifiedAsKeyword()
{
var expression = "public class Implementation { }";
var result = new CSharpParser().Parse(expression);
var publicChunk = result.TextChunks.First(ch => ch.TextValue == "public");
var classChunk = result.TextChunks.First(ch => ch.TextValue == "class");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Keyword, classChunk.CodeType);
Assert.Equal(Common.CodeType.Keyword, publicChunk.CodeType);
}
public void GenericMethodCallIsRecognized()
{
var expression = @"
class Hello { public void Greet<T>() { } }
class Usage { public static void DoGreet() { new Hello().Greet<string>(); } }
";
var result = new CSharpParser().Parse(expression);
var greetChunk = result.TextChunks.Last(ch => ch.TextValue == "Greet");
ExpressionHelper.Check(expression, result);
Assert.Equal(Common.CodeType.Method, greetChunk.CodeType);
}