public void TestWithExpressionBody()
{
var syntax = SyntaxFactory.DestructorDeclaration(SyntaxFactory.Identifier("Anything"));
var expressionBody = SyntaxFactory.ArrowExpressionClause(SyntaxFactory.LiteralExpression(SyntaxKind.NullLiteralExpression));
var syntaxWithBody = DestructorDeclarationSyntaxExtensions.WithExpressionBody(syntax, expressionBody);
Assert.Null(syntax.ExpressionBody);
Assert.NotNull(syntaxWithBody.ExpressionBody);
Assert.Equal(SyntaxKind.NullLiteralExpression, syntaxWithBody.ExpressionBody.Expression.Kind());
}
public void TestWithExpressionBody()
{
var syntax = SyntaxFactory.DestructorDeclaration(SyntaxFactory.Identifier("Anything"));
// With default value is allowed
var syntaxWithDefaultBody = DestructorDeclarationSyntaxExtensions.WithExpressionBody(syntax, null);
Assert.Null(BaseMethodDeclarationSyntaxExtensions.ExpressionBody(syntaxWithDefaultBody));
// Non-default throws an exception
var expressionBody = SyntaxFactory.ArrowExpressionClause(SyntaxFactory.LiteralExpression(SyntaxKind.NullLiteralExpression));
Assert.Throws <NotSupportedException>(() => DestructorDeclarationSyntaxExtensions.WithExpressionBody(syntax, expressionBody));
}