Mike Krüger
13 years ago
3 changed files with 171 additions and 20 deletions
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//
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// SemanticHighlightingTests.cs
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//
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// Author:
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// Mike Krüger <mkrueger@xamarin.com>
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//
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// Copyright (c) 2013 Xamarin Inc. (http://xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System; |
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using ICSharpCode.NRefactory.CSharp.Resolver; |
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using ICSharpCode.NRefactory.TypeSystem; |
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using NUnit.Framework; |
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using System.Reflection; |
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using System.Text; |
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using System.Collections.Generic; |
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using ICSharpCode.NRefactory.Editor; |
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namespace ICSharpCode.NRefactory.CSharp.Analysis |
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{ |
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[TestFixture] |
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public class SemanticHighlightingTests |
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{ |
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class TestSemanticHighlightingVisitor : SemanticHighlightingVisitor<FieldInfo> |
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{ |
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public TestSemanticHighlightingVisitor(CSharpAstResolver resolver) |
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{ |
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base.resolver = resolver; |
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this.regionStart = new TextLocation (1, 1); |
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this.regionEnd = new TextLocation (int.MaxValue, int.MaxValue); |
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var fields = typeof (TestSemanticHighlightingVisitor).GetFields (BindingFlags.NonPublic | BindingFlags.Instance); |
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foreach (var field in fields) { |
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if (field.FieldType == typeof (FieldInfo)) |
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field.SetValue (this, field); |
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} |
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} |
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List<Tuple<DomRegion, string>> colors = new List<Tuple<DomRegion, string>> (); |
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protected override void Colorize(TextLocation start, TextLocation end, FieldInfo color) |
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{ |
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colors.Add (Tuple.Create (new DomRegion (start, end), color != null ? color.Name : null)); |
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} |
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public string GetColor(TextLocation loc) |
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{ |
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foreach (var color in colors) { |
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if (color.Item1.IsInside (loc)) |
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return color.Item2; |
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} |
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return null; |
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} |
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} |
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static TestSemanticHighlightingVisitor CreateHighighting (string text) |
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{ |
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var syntaxTree = SyntaxTree.Parse (text, "a.cs"); |
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if (syntaxTree.Errors.Count > 0) { |
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Console.WriteLine (text); |
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Assert.Fail ("parse error."); |
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} |
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var project = new CSharpProjectContent().AddAssemblyReferences(new [] { CecilLoaderTests.Mscorlib, CecilLoaderTests.SystemCore }); |
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var file = syntaxTree.ToTypeSystem(); |
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project = project.AddOrUpdateFiles(file); |
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var resolver = new CSharpAstResolver(project.CreateCompilation(), syntaxTree, file); |
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var result = new TestSemanticHighlightingVisitor (resolver); |
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syntaxTree.AcceptVisitor (result); |
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return result; |
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} |
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void TestColor(string text, string keywordColor) |
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{ |
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var sb = new StringBuilder (); |
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var offsets = new List<int> (); |
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foreach (var ch in text) { |
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if (ch == '$') { |
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offsets.Add (sb.Length); |
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continue; |
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} |
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sb.Append (ch); |
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} |
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var visitor = CreateHighighting (sb.ToString ()); |
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var doc = new ReadOnlyDocument (sb.ToString ()); |
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foreach (var offset in offsets) { |
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var loc = doc.GetLocation (offset); |
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var color = visitor.GetColor (loc); |
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Assert.AreEqual (keywordColor, color, "Color at " + loc + " is wrong:" + color); |
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} |
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} |
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[Test] |
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public void TestValueInPropertySetter() |
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{ |
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TestColor (@"class Class { int Property { get {} set { test = $value; } } }", "valueKeywordColor"); |
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} |
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[Test] |
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public void TestValueInPropertyGetter() |
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{ |
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TestColor (@"class Class { int value; int Property { get { return $value; } set { } } }", "fieldAccessColor"); |
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} |
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[Test] |
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public void TestValueInCustomEvent() |
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{ |
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TestColor (@"using System;
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class Class { |
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public event EventHandler Property { |
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add { Console.WriteLine ($value); } |
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remove { Console.WriteLine ($value); } |
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} |
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}", "valueKeywordColor");
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} |
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[Test] |
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public void TestExternAliasColor() |
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{ |
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TestColor (@"extern $alias FooBar;", "externAliasKeywordColor"); |
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} |
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} |
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} |
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