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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 NUnit.Framework;
namespace ICSharpCode.NRefactory.CSharp
{
[TestFixture]
public class CSharpOutputVisitorTests
{
void AssertOutput(string expected, AstNode node, CSharpFormattingOptions policy = null)
{
if (policy == null)
policy = FormattingOptionsFactory.CreateMono();
StringWriter w = new StringWriter();
w.NewLine = "\n";
node.AcceptVisitor(new CSharpOutputVisitor(new TextWriterTokenWriter(w) { IndentationString = "$" }, policy));
Assert.AreEqual(expected.Replace("\r", ""), w.ToString());
}
[Test]
public void AnonymousLocalVariableDeclaration()
{
var code = @"class Test
{
void Foo ()
{
Action<int> act = delegate (int testMe) {
};
}
}
";
var unit = SyntaxTree.Parse(code);
AssertOutput("class Test\n{\n$void Foo ()\n${\n$$Action<int> act = delegate (int testMe) {\n$$};\n$}\n}\n", unit);
}
[Test]
public void AssignmentInCollectionInitializer()
{
Expression expr = new ObjectCreateExpression {
Type = new SimpleType("List"),
Initializer = new ArrayInitializerExpression(
new ArrayInitializerExpression(
new AssignmentExpression(new IdentifierExpression("a"), new PrimitiveExpression(1))
)
)
};
AssertOutput("new List {\n${\n$$a = 1\n$}\n}", expr);
}
[Test]
public void EnumDeclarationWithInitializers ()
{
TypeDeclaration type = new TypeDeclaration {
ClassType = ClassType.Enum,
Name = "DisplayFlags",
Members = {
new EnumMemberDeclaration {
Name = "D",
Initializer = new PrimitiveExpression(4)
}
}};
AssertOutput("enum DisplayFlags\n{\n$D = 4\n}\n", type);
}
[Test]
public void InlineCommentAtEndOfCondition()
{
IfElseStatement condition = new IfElseStatement();
condition.AddChild(new CSharpTokenNode(new TextLocation(1, 1), IfElseStatement.IfKeywordRole), IfElseStatement.IfKeywordRole);
condition.AddChild(new CSharpTokenNode(new TextLocation(1, 4), Roles.LPar), Roles.LPar);
condition.AddChild(new IdentifierExpression("cond", new TextLocation(1, 5)), IfElseStatement.ConditionRole);
condition.AddChild(new Comment(CommentType.MultiLine, new TextLocation(1, 9), new TextLocation(1, 14)) { Content = "a" }, Roles.Comment);
condition.AddChild(new CSharpTokenNode(new TextLocation(1, 14), Roles.RPar), Roles.RPar);
condition.AddChild(new ReturnStatement(), IfElseStatement.TrueRole);
AssertOutput("if (cond/*a*/)\n$return;\n", condition);
}
[Test]
public void SwitchStatement()
{
SwitchStatement type = new SwitchStatement {
Expression = new IdentifierExpression("i"),
SwitchSections = {
new SwitchSection {
CaseLabels = {
new CaseLabel(new PrimitiveExpression(1)),
new CaseLabel(new PrimitiveExpression(2))
},
Statements = {
new ExpressionStatement(new IdentifierExpression("A").Invoke()),
new ExpressionStatement(new IdentifierExpression("B").Invoke()),
new BreakStatement()
}
},
new SwitchSection {
CaseLabels = {
new CaseLabel(new PrimitiveExpression(3))
},
Statements = {
new BlockStatement {
new VariableDeclarationStatement(new PrimitiveType("int"), "a", new PrimitiveExpression(3)),
new ReturnStatement(new IdentifierExpression("a")),
}
}
},
new SwitchSection {
CaseLabels = {
new CaseLabel()
},
Statements = {
new BreakStatement()
}
}
}};
AssertOutput("switch (i) {\ncase 1:\ncase 2:\n$A ();\n$B ();\n$break;\n" +
"case 3: {\n$int a = 3;\n$return a;\n}\n" +
"default:\n$break;\n}\n", type);
}
[Ignore("Fails with vs.net 2015")]
[Test]
public void ZeroLiterals()
{
AssertOutput("0.0", new PrimitiveExpression(0.0));
AssertOutput("-0.0", new PrimitiveExpression(-0.0));
AssertOutput("0f", new PrimitiveExpression(0f));
AssertOutput("-0f", new PrimitiveExpression(-0f));
}
[Test]
public void BlankLinesBetweenMembers()
{
var code = @"class Test
{
Test() {}
void Foo() {}
int P { get; set; }
}
";
var unit = SyntaxTree.Parse(code);
var options = FormattingOptionsFactory.CreateMono();
options.MinimumBlankLinesBetweenMembers = 2;
AssertOutput("class Test\n{\n$Test ()\n${\n$}\n\n\n$void Foo ()\n${\n$}\n\n\n$int P {\n$$get;\n$$set;\n$}\n}\n", unit, options);
}
[Test]
public void BlankLinesAfterUsings() {
var code = @"using System;
using System.Collections;
using List = System.Collections.List;
namespace NS
{
using System.Collections.Generic;
using Collection = System.Collections.Collection;
using System.Xml;
class C {}
}
";
var unit = SyntaxTree.Parse(code);
var options = FormattingOptionsFactory.CreateMono();
options.MinimumBlankLinesAfterUsings = 2;
AssertOutput("using System;\nusing System.Collections;\nusing List = System.Collections.List;\n\n\nnamespace NS\n{\n$using System.Collections.Generic;\n$using Collection = System.Collections.Collection;\n$using System.Xml;\n\n\n$class C\n${\n$}\n}\n", unit, options);
}
[Test, Ignore("#pragma warning not implemented in output visitor - issue #188")]
public void PragmaWarning()
{
var code = @"#pragma warning disable 414";
var unit = SyntaxTree.Parse(code);
var options = FormattingOptionsFactory.CreateMono();
AssertOutput("#pragma warning disable 414\n", unit, options);
}
[Test]
public void Undocumented ()
{
AssertOutput("__arglist", new UndocumentedExpression { UndocumentedExpressionType = UndocumentedExpressionType.ArgListAccess });
AssertOutput("__arglist ()", new UndocumentedExpression { UndocumentedExpressionType = UndocumentedExpressionType.ArgList });
}
}
}
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