// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using Roslyn.Utilities;
using Xunit;
 
namespace Microsoft.CodeAnalysis.UnitTests.UtilityTest;
 
public sealed class WordSimilarityCheckerTests
{
    [Fact]
    public void TestCloseMatch()
    {
        Assert.False(WordSimilarityChecker.AreSimilar("variabledeclaratorsyntax", "variabledeclaratorsyntaxextensions"));
        Assert.True(WordSimilarityChecker.AreSimilar("variabledeclaratorsyntax", "variabledeclaratorsyntaxextensions", substringsAreSimilar: true));
 
        Assert.False(WordSimilarityChecker.AreSimilar("expressionsyntax", "expressionsyntaxextensions"));
        Assert.True(WordSimilarityChecker.AreSimilar("expressionsyntax", "expressionsyntaxextensions", substringsAreSimilar: true));
 
        Assert.False(WordSimilarityChecker.AreSimilar("expressionsyntax", "expressionsyntaxgeneratorvisitor"));
        Assert.True(WordSimilarityChecker.AreSimilar("expressionsyntax", "expressionsyntaxgeneratorvisitor", substringsAreSimilar: true));
    }
 
    [Fact]
    public void TestNotCloseMatch()
    {
        Assert.False(WordSimilarityChecker.AreSimilar("propertyblocksyntax", "ipropertysymbol"));
        Assert.False(WordSimilarityChecker.AreSimilar("propertyblocksyntax", "ipropertysymbolextensions"));
        Assert.False(WordSimilarityChecker.AreSimilar("propertyblocksyntax", "typeblocksyntaxextensions"));
 
        Assert.False(WordSimilarityChecker.AreSimilar("fielddeclarationsyntax", "declarationinfo"));
        Assert.False(WordSimilarityChecker.AreSimilar("fielddeclarationsyntax", "declarationcomputer"));
        Assert.False(WordSimilarityChecker.AreSimilar("fielddeclarationsyntax", "filelinepositionspan"));
 
        Assert.False(WordSimilarityChecker.AreSimilar("variabledeclaratorsyntax", "visualbasicdeclarationcomputer"));
        Assert.False(WordSimilarityChecker.AreSimilar("variabledeclaratorsyntax", "ilineseparatorservice"));
 
        Assert.False(WordSimilarityChecker.AreSimilar("expressionsyntax", "awaitexpressioninfo"));
    }
}