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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.IO;
using System.Linq;
using ICSharpCode.NRefactory.PatternMatching;
using NUnit.Framework;
namespace ICSharpCode.NRefactory.CSharp.Parser
{
/// <summary>
/// Helper methods for parser unit tests.
/// </summary>
public static class ParseUtilCSharp
{
public static T ParseGlobal<T>(string code, bool expectErrors = false) where T : AstNode
{
CSharpParser parser = new CSharpParser();
SyntaxTree syntaxTree = parser.Parse(code);
foreach (var error in parser.Errors)
Console.WriteLine (error.Message);
Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
AstNode node = syntaxTree.Children.Single(c => c.Role != Roles.NewLine);
Type type = typeof(T);
Assert.IsTrue(type.IsAssignableFrom(node.GetType()), String.Format("Parsed node was {0} instead of {1} ({2})", node.GetType(), type, node));
return (T)node;
}
public static void AssertGlobal(string code, AstNode expectedNode)
{
var node = ParseGlobal<AstNode>(code);
if (!expectedNode.IsMatch(node)) {
Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedNode), ToCSharp(node));
}
}
public static T ParseStatement<T>(string stmt, bool expectErrors = false) where T : AstNode
{
CSharpParser parser = new CSharpParser();
var statements = parser.ParseStatements(stmt);
foreach (var error in parser.Errors)
Console.WriteLine (error.Message);
Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
AstNode statement = statements.Single();
Type type = typeof(T);
Assert.IsTrue(type.IsAssignableFrom(statement.GetType()), String.Format("Parsed statement was {0} instead of {1} ({2})", statement.GetType(), type, statement));
return (T)statement;
}
public static void AssertStatement(string code, CSharp.Statement expectedStmt)
{
var stmt = ParseStatement<CSharp.Statement>(code);
if (!expectedStmt.IsMatch(stmt)) {
Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedStmt), ToCSharp(stmt));
}
}
public static T ParseExpression<T>(string expr, bool expectErrors = false) where T : AstNode
{
CSharpParser parser = new CSharpParser();
AstNode parsedExpression = parser.ParseExpression(expr);
foreach (var error in parser.Errors)
Console.WriteLine (error.Message);
Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
if (expectErrors && parsedExpression == null)
return default (T);
Type type = typeof(T);
Assert.IsTrue(type.IsAssignableFrom(parsedExpression.GetType()), String.Format("Parsed expression was {0} instead of {1} ({2})", parsedExpression.GetType(), type, parsedExpression));
return (T)parsedExpression;
}
public static void AssertExpression(string code, CSharp.Expression expectedExpr)
{
var expr = ParseExpression<CSharp.Expression>(code);
if (!expectedExpr.IsMatch(expr)) {
Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedExpr), ToCSharp(expr));
}
}
public static T ParseTypeMember<T>(string expr, bool expectErrors = false) where T : EntityDeclaration
{
CSharpParser parser = new CSharpParser();
var members = parser.ParseTypeMembers(expr);
foreach (var error in parser.Errors)
Console.WriteLine (error.Message);
Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
EntityDeclaration m = members.Single();
Type type = typeof(T);
Assert.IsTrue(type.IsAssignableFrom(m.GetType()), String.Format("Parsed member was {0} instead of {1} ({2})", m.GetType(), type, m));
return (T)m;
}
public static void AssertTypeMember(string code, CSharp.EntityDeclaration expectedMember)
{
var member = ParseTypeMember<CSharp.EntityDeclaration>(code);
if (!expectedMember.IsMatch(member)) {
Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedMember), ToCSharp(member));
}
}
public static DocumentationReference ParseDocumentationReference(string cref, bool expectErrors = false)
{
CSharpParser parser = new CSharpParser();
var parsedExpression = parser.ParseDocumentationReference(cref);
foreach (var error in parser.Errors)
Console.WriteLine (error.Message);
Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
if (expectErrors && parsedExpression == null)
return null;
return parsedExpression;
}
public static void AssertDocumentationReference(string cref, CSharp.DocumentationReference expectedExpr)
{
var expr = ParseDocumentationReference(cref);
if (!expectedExpr.IsMatch(expr)) {
Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedExpr), ToCSharp(expr));
}
}
static string ToCSharp(AstNode node)
{
return node.ToString();
}
}
}
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