public static void Equivalent()
{
var syntaxTree = CSharpSyntaxTree.ParseText(
@"
namespace N
{
using System;
public class C
{
public event EventHandler E1;
public event EventHandler E2;
}
}");
var compilation = CSharpCompilation.Create("test", new[] { syntaxTree });
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var node1 = syntaxTree.FindEventFieldDeclaration("E1");
var symbol1 = semanticModel.GetDeclaredSymbol(node1.Declaration.Variables[0], CancellationToken.None);
var node2 = syntaxTree.FindEventFieldDeclaration("E2");
var symbol2 = semanticModel.GetDeclaredSymbol(node2.Declaration.Variables[0], CancellationToken.None);
Assert.AreEqual(true, SymbolComparer.Equivalent(symbol1, symbol1));
Assert.AreEqual(false, SymbolComparer.Equivalent(symbol1, symbol2));
Assert.AreEqual(true, EventSymbolComparer.Equivalent((IEventSymbol)symbol1, (IEventSymbol)symbol1));
Assert.AreEqual(false, EventSymbolComparer.Equivalent((IEventSymbol)symbol1, (IEventSymbol)symbol2));
}
public static void Equivalent()
{
var syntaxTree = CSharpSyntaxTree.ParseText(
@"
namespace N
{
public class C
{
public int M1() => 1;
public int M2() => 2;
}
}");
var compilation = CSharpCompilation.Create("test", new[] { syntaxTree });
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var node1 = syntaxTree.FindMethodDeclaration("M1");
var symbol1 = semanticModel.GetDeclaredSymbol(node1, CancellationToken.None);
var node2 = syntaxTree.FindMethodDeclaration("M2");
var symbol2 = semanticModel.GetDeclaredSymbol(node2, CancellationToken.None);
Assert.AreEqual(true, SymbolComparer.Equivalent((ISymbol)symbol1, (ISymbol)symbol1));
Assert.AreEqual(false, SymbolComparer.Equivalent((ISymbol)symbol1, (ISymbol)symbol2));
Assert.AreEqual(true, MethodSymbolComparer.Equivalent(symbol1, symbol1));
Assert.AreEqual(false, MethodSymbolComparer.Equivalent(symbol1, symbol2));
}
public static void Equivalent()
{
var syntaxTree = CSharpSyntaxTree.ParseText(
@"
namespace N
{
public class C
{
private int f1;
private int f2;
}
}");
var compilation = CSharpCompilation.Create("test", new[] { syntaxTree });
var semanticModel = compilation.GetSemanticModel(syntaxTree);
var node1 = syntaxTree.FindFieldDeclaration("f1");
var symbol1 = semanticModel.GetDeclaredSymbol(node1.Declaration.Variables[0], CancellationToken.None);
var node2 = syntaxTree.FindFieldDeclaration("f2");
var symbol2 = semanticModel.GetDeclaredSymbol(node2.Declaration.Variables[0], CancellationToken.None);
Assert.AreEqual(true, SymbolComparer.Equivalent(symbol1, symbol1));
Assert.AreEqual(false, SymbolComparer.Equivalent(symbol1, symbol2));
Assert.AreEqual(true, FieldSymbolComparer.Equivalent((IFieldSymbol)symbol1, (IFieldSymbol)symbol1));
Assert.AreEqual(false, FieldSymbolComparer.Equivalent((IFieldSymbol)symbol1, (IFieldSymbol)symbol2));
}