[nant-commits] CVS: nant/tests/NAnt.Core/Filters ExpandExpressionsTest.cs,NONE,1.1 FilterChainTest.cs,NONE,1.1 FilterTestBase.cs,NONE,1.1 ReplaceCharacterTest.cs,NONE,1.1 ReplaceTokensTest.cs,NONE,1.1 TabsToSpaces.cs,NONE,1.1

[Ian M. <ia...@us...>]

Update of /cvsroot/nant/nant/tests/NAnt.Core/Filters
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3148/tests/NAnt.Core/Filters

Added Files:
	ExpandExpressionsTest.cs FilterChainTest.cs FilterTestBase.cs 
	ReplaceCharacterTest.cs ReplaceTokensTest.cs TabsToSpaces.cs 
Log Message:
Tests for the filterchain implementation. First check in.

--- NEW FILE: ExpandExpressionsTest.cs ---
// NAnt - A .NET build tool
// Copyright (C) 2002-2003 Scott Hernandez
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using System.Text;
using NAnt.Core.Filters;
using NUnit.Framework;

namespace Tests.NAnt.Core.Filters {
    /// <summary>
    /// Tests the ExpandExpressions class.
    /// </summary>
    [TestFixture]
    public class ExpandExpressionsTest : FilterTestBase {
        const string _tagName = "expandexpressions";
        const char _stringChar = 'A';
        const int _minStringExpressionLength = 5;

        [Test]
        public void InstantiationTest () {
            base.TestFilter(@"<" + _tagName + @" order=""0"" />", " ", " ");
        }

        [Test]
        public void EmptyFileTest () {
            base.TestFilter(@"<" + _tagName + @" order=""0"" />", "", "");
        }

        [Test]
        [ExpectedException(typeof(TestBuildException))]
        public void NoOrderTest () {
            base.TestFilter(@"<" + _tagName + @" />", " ", " ");
        }

        [Test]
        public void ExpressionTest () {
            base.TestFilter(@"<" + _tagName + @" order=""0"" />", "${'la' + 'la'}", "lala");
        }

        [Test]
        public void MaxSafeExpressionTest () {
            base.TestFilter(@"<" + _tagName + @" order=""0"" />", GetString(4090) + GetStringExpression(2048), GetString(4090) + GetString(2048 - _minStringExpressionLength));
        }

        [Test]
        public void UnsafeButExpandedExpressionTest () {
            base.TestFilter(@"<" + _tagName + @" order=""0"" />", GetStringExpression(4095), GetString(4095 - _minStringExpressionLength));
        }

        [Test]
        public void UnsafeAndIgnoredExpressionTest () {
            string temp = GetString(1) + GetStringExpression(4095);
            base.TestFilter(@"<" + _tagName + @" order=""0"" />", temp, temp);
        }

        private string GetStringExpression (int expressionLength) {
            if (expressionLength < _minStringExpressionLength) {
                throw new ArgumentException("A string expression can't be shorter than \"${''}\"!");
            }

            StringBuilder bldr = new StringBuilder(expressionLength);
            bldr.Append("${'");
            bldr.Append(_stringChar, expressionLength - _minStringExpressionLength);
            bldr.Append("'}");
            return bldr.ToString();
        }

        private string GetString (int length) {
            if (length < 0) {
                throw new ArgumentException("A string can't be shorter than \"\"!");
            }

            StringBuilder bldr = new StringBuilder(length);
            bldr.Append(_stringChar, length);

            return bldr.ToString();
        }
    }
}

--- NEW FILE: FilterChainTest.cs ---
// NAnt - A .NET build tool
// Copyright (C) 2002-2003 Scott Hernandez
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using System.Text;
using NAnt.Core.Filters;
using NUnit.Framework;

namespace Tests.NAnt.Core.Filters {
    /// <summary>
    /// Tests the FilterChain classes.
    /// </summary>
    [TestFixture]
    public class FilterChainTest : FilterTestBase {
        [Test]
        public void NoFilerTest () {
            base.TestFilter("", " ", " ");
        }

        [Test]
        public void NoFilterEmptyFileTest () {
            base.TestFilter(@"", "", "");
        }

        [Test]
        public void MalformedFilterTest () {
            base.TestFilter(@"<blah />", " ", " ");
        }

        [Test]
        public void FilterOrderTest1a () {
            base.TestFilter(@"<replacecharacter chartoreplace=""^"" replacementchar=""$"" order=""0"" />
                    <expandexpressions order=""1"" />", "^{'la' + 'la'}", "lala");
        }

        [Test]
        public void FilterOrderTest1b () {
            base.TestFilter(@"<expandexpressions order=""1"" />
                    <replacecharacter chartoreplace=""^"" replacementchar=""$"" order=""0"" />", "^{'la' + 'la'}", "lala");
        }

        [Test]
        public void FilterOrderTest2a () {
            base.TestFilter(@"<replacecharacter chartoreplace=""^"" replacementchar=""$"" order=""1"" />
                    <expandexpressions order=""0"" />", "^{'la' + 'la'}", "${'la' + 'la'}");
        }

        [Test]
        public void FilterOrderTest2b () {
            base.TestFilter(@"<expandexpressions order=""0"" />
                    <replacecharacter chartoreplace=""^"" replacementchar=""$"" order=""1"" />", "^{'la' + 'la'}", "${'la' + 'la'}");
        }
    }
}

--- NEW FILE: FilterTestBase.cs ---
// NAnt - A .NET build tool
// Copyright (C) 2002-2003 Scott Hernandez
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using System.IO;
using NUnit.Framework;

namespace Tests.NAnt.Core.Filters {
    /// <summary>
    /// Base class for running input through filters and checking results.
    /// </summary>
    public abstract class FilterTestBase : BuildTestBase {

        const string _testFileName = "filterTest.txt";
        const string _destDirName = "copy";
        const string _projectXmlFormat = @"<?xml version='1.0'?>
            <project>
                {0}
                <copy todir=""" + _destDirName + @""" verbose=""True"">
                    <filterchain>{1}</filterchain>		
                    <fileset basedir=""."">
                        <include name=""" + _testFileName + @""" />
                    </fileset>
                </copy>
            </project>";

        internal void TestFilter(string filterXml, string input, string expectedOutput) {
            TestFilter(filterXml, input, expectedOutput, String.Empty);
        }

        internal void TestFilter(string filterXml, string input, string expectedOutput, string prologueXml) {
            base.CreateTempFile(_testFileName, input);
            base.RunBuild(string.Format(_projectXmlFormat, prologueXml, filterXml));
            
            string actualOutput;
            TextReader outputFile = File.OpenText(Path.Combine(Path.Combine(base.TempDirName, _destDirName), _testFileName));
            try {
                actualOutput = outputFile.ReadToEnd();
            }
            finally {
                outputFile.Close();
            }

            Assert.AreEqual(expectedOutput, actualOutput, "Filter's actual output does not match expected output!");
        }

        protected override void TearDown() {
            base.TearDown ();
        }
    }
}

--- NEW FILE: ReplaceCharacterTest.cs ---
// NAnt - A .NET build tool
// Copyright (C) 2002-2003 Scott Hernandez
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using System.Text;
using NAnt.Core.Filters;
using NUnit.Framework;

namespace Tests.NAnt.Core.Filters {
    /// <summary>
    /// Tests the ReplaceCharacter class.
    /// </summary>
    [TestFixture]
    public class ReplaceCharacterTest : FilterTestBase {
        const string _tagName = "replacecharacter";
        const char _stringChar = 'A';
        const int _minStringExpressionLength = 5;

        [Test]
        public void InstantiationTest () {
            base.TestFilter(@"<" + _tagName + @" chartoreplace=""^"" replacementchar=""$"" order=""0"" />", " ", " ");
        }

        [Test]
        public void EmptyFileTest () {
            base.TestFilter(@"<" + _tagName + @" chartoreplace=""^"" replacementchar=""$"" order=""0"" />", " ", " ");
        }

        [Test]
        [ExpectedException(typeof(TestBuildException))]
        public void NoCharToReplaceTest () {
            base.TestFilter(@"<" + _tagName + @" replacementchar=""$"" order=""0"" />", " ", " ");
        }

        [Test]
        [ExpectedException(typeof(TestBuildException))]
        public void NoReplacementCharTest () {
            base.TestFilter(@"<" + _tagName + @" chartoreplace=""^"" order=""0"" />", " ", " ");
        }

        [Test]
        [ExpectedException(typeof(TestBuildException))]
        public void NoOrderTest () {
            base.TestFilter(@"<" + _tagName + @" chartoreplace=""^"" replacementchar=""$"" />", " ", " ");
        }

        [Test]
        public void BasicTest () {
            base.TestFilter(@"<" + _tagName + @" chartoreplace=""^"" replacementchar=""$"" order=""0"" />", "hello!\n^\n^^\ngoodbye!", "hello!\n$\n$$\ngoodbye!");
        }
    }
}

--- NEW FILE: ReplaceTokensTest.cs ---
// NAnt - A .NET build tool
// Copyright (C) 2002-2003 Scott Hernandez
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using System.Text;
using NAnt.Core.Filters;
using NUnit.Framework;

namespace Tests.NAnt.Core.Filters {
    /// <summary>
    /// Tests the ReplaceTokens class.
    /// </summary>
    [TestFixture]
    public class ReplaceTokensTest : FilterTestBase {
        const string _tagName = "replacetokens";

        [Test]
        public void InstantiationTest() {
            base.TestFilter(@"<" + _tagName + @" endtoken=""@"" order=""0""><token key=""FALA"" value=""falalalalalalalala"" /></" + _tagName + @">", " ", " ");
        }

        [Test]
        public void EmptyFileTest() {
            base.TestFilter(@"<" + _tagName + @" endtoken=""@"" order=""0""><token key=""FALA"" value=""falalalalalalalala"" /></" + _tagName + @">", "", "");
        }

        /// <summary>
        /// Test if two tokens are next to each other
        /// </summary>
        [Test]
        public void ExtraTokenTest() {

            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" endtoken=""@"" order=""0"">
                               <token key=""OLD"" value=""NEW""/>
                               </" + _tagName + @">";

            string input = @"@@OLD@";
            string expectedOutput = @"@NEW";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test if two tokens are next to each other
        /// </summary>
        [Test]
        public void ExtraTokenTesta() {
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" endtoken=""@"" order=""0"">
                               <token key=""OLD"" value=""NEW""/>
                               </" + _tagName + @">";

            string input = @"@OLD@@";
            string expectedOutput = @"NEW@";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test with filter tag
        /// </summary>
        [Test]
        public void TestFilterTag() {
            string prologueXml = null;

            string filterXml = @"<filter assembly=""NAnt.Core"" class=""NAnt.Core.Filters.ReplaceTokens"" order=""0"">
                               <param name=""endtoken"" value=""^""/>
                               <param name=""OLD"" value=""NEW""/>
                               </filter>";

            string input = @"@OLD^@";
            string expectedOutput = @"NEW@";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }


        /// <summary>
        /// Test if two tokens are next to each other with different beginning and ending tokens
        /// </summary>
        [Test]
        public void ExtraTokenTestDiffToc() {
            //Token on left
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" endtoken=""^"" order=""0"">
                               <token key=""OLD"" value=""NEW""/>
                               </" + _tagName + @">";

            string input = @"@@OLD^";
            string expectedOutput = @"@NEW";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test if two tokens are next to each other with different beginning and ending tokens
        /// </summary>
        [Test]
        public void ExtraTokenTestDiffToca() {
            //Token on right
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" endtoken=""^"" order=""0"">
                               <token key=""OLD"" value=""NEW""/>
                               </" + _tagName + @">";

            string input = @"@OLD^^";
            string expectedOutput = @"NEW^";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test with the same beginning and ending tokens
        /// </summary>
        [Test]
        public void ComplexTest() {
            string prologueXml = @"<property name=""DATE"" value=""13 May 2004"" />";

            string filterXml = @"<" + _tagName + @" endtoken=""@"" order=""0"">
                               <token key=""DATE"" value=""${DATE}""/>
                               <token key=""INNER_TEST"" value=""--$$--""/>
                               <token key=""EOF"" value=""End of file..""/>
                               </" + _tagName + @">";

            string input = @"public class ProjectName {
    static void Main() {

                        /*
                        @@ @@ @@ @@@ @@@@ @@@@@ @@@@@ @@@@ @DATE@
                        
                        @@@@@@@@@@@@@@@@@@@@@DATE@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                        @@@@@@@@@@@@@@@@@@@@@DATE @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                        
                        ^^^^^^^^^^^^^^^^^^^^@DATE^@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                        
                        @@@@@@@@@@@@@@@@@@@@@DATE^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                        @@@@@@@@@@@@@@@@@@@^@DATE^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                        
                        @@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@   @ @ @ @DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@
                        
                        @@@DATE^@DATE^^DATE@@DATE@^DATE@@DATE^@DATE@   @ @ @ #@DATE^@DATE@^DATE@^DATE^@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@
                        
                        @INNER_@GOO@^
                        
                        @GOO@
                        */
                        
                        
                        System.Console.WriteLine(""Hello World using C# ~@DATE@~ "");
                        System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                        System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                        }
                      }//@EOF@";
            string expectedOutput = @"public class ProjectName {
    static void Main() {

                        /*
                        @@ @@ @@ @@@ @@@@ @@@@@ @@@@@ @@@@ 13 May 2004
                        
                        @@@@@@@@@@@@@@@@@@@@13 May 2004@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                        @@@@@@@@@@@@@@@@@@@@@DATE @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                        
                        ^^^^^^^^^^^^^^^^^^^^@DATE^@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                        
                        @@@@@@@@@@@@@@@@@@@@@DATE^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                        @@@@@@@@@@@@@@@@@@@^@DATE^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                        
                        @@13 May 200413 May 200413 May 200413 May 200413 May 200413 May 200413 May 2004   @ @ @ 13 May 200413 May 200413 May 200413 May 200413 May 200413 May 200413 May 200413 May 200413 May 200413 May 2004
                        
                        @@@DATE^@DATE^^DATE@13 May 2004^DATE@@DATE^13 May 2004   @ @ @ #@DATE^13 May 2004^DATE@^DATE^13 May 200413 May 200413 May 200413 May 200413 May 200413 May 2004
                        
                        @INNER_@GOO@^
                        
                        @GOO@
                        */
                        
                        
                        System.Console.WriteLine(""Hello World using C# ~13 May 2004~ "");
                        System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                        System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                        }
                      }//End of file..";

            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test with different beginning and ending tokens
        /// </summary>
        [Test]
        public void ComplexTest1() {
            string prologueXml = @"<property name=""DATE"" value=""13 May 2004"" />";

            string filterXml = @"<" + _tagName + @" endtoken=""^"" order=""0"">
                               <token key=""DATE"" value=""${DATE}""/>
                               <token key=""INNER_TEST"" value=""--$$--""/>
                               <token key=""EOF"" value=""End of file..""/>
                               </" + _tagName + @">";

            string input = @"public class ProjectName {
    static void Main() {
                            /*
                            
                            @@ @@ @@ @@@ @@@@ @@@@@ @@@@@ @@@@ @DATE@
                            
                            @@@@@@@@@@@@@@@@@@@@@DATE@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                            @@@@@@@@@@@@@@@@@@@@@DATE @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                            
                            ^^^^^^^^^^^^^^^^^^^^@DATE^@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                            
                            @@@@@@@@@@@@@@@@@@@@@DATE^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                            @@@@@@@@@@@@@@@@@@@^@DATE^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                            
                            @@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@   @ @ @ @DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@
                            
                            @@@DATE^@DATE^^DATE@@DATE@^DATE@@DATE^@DATE@   @ @ @ #@DATE^@DATE@^DATE@^DATE^@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@
                            
                            @INNER_@GOO@^
                            
                            @GOO@
                            */
                            
                            
                            System.Console.WriteLine(""Hello World using C# ~@DATE@~ "");
                            System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                            System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                        }
                    }//@EOF@";
            string expectedOutput = @"public class ProjectName {
    static void Main() {
                            /*
                            
                            @@ @@ @@ @@@ @@@@ @@@@@ @@@@@ @@@@ @DATE@
                            
                            @@@@@@@@@@@@@@@@@@@@@DATE@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                            @@@@@@@@@@@@@@@@@@@@@DATE @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                            
                            ^^^^^^^^^^^^^^^^^^^^13 May 2004@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
                            
                            @@@@@@@@@@@@@@@@@@@@13 May 2004^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                            @@@@@@@@@@@@@@@@@@@^13 May 2004^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                            
                            @@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@   @ @ @ @DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@
                            
                            @@13 May 200413 May 2004^DATE@@DATE@^DATE@13 May 2004@DATE@   @ @ @ #13 May 2004@DATE@^DATE@^DATE^@DATE@@DATE@@DATE@@DATE@@DATE@@DATE@
                            
                            @INNER_@GOO@^
                            
                            @GOO@
                            */
                            
                            
                            System.Console.WriteLine(""Hello World using C# ~@DATE@~ "");
                            System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                            System.Console.WriteLine(""Hello World using C# ~@INNER_@GOO@@~ "");
                        }
                    }//@EOF@";

            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }
    }
}


--- NEW FILE: TabsToSpaces.cs ---
// NAnt - A .NET build tool
// Copyright (C) 2002-2003 Scott Hernandez
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using System.Text;
using NAnt.Core.Filters;
using NUnit.Framework;

//Test
namespace Tests.NAnt.Core.Filters {
    /// <summary>
    /// Tests the TabsToSpaces classes.
    /// </summary>
    [TestFixture]
    public class TabsToSpaces : FilterTestBase {
        const string _tagName = "tabstospaces";


        /// <summary>
        /// Empty input file
        /// </summary>
        [Test]
        public void EmptyFileBasicTest () {
            base.TestFilter(@"<" + _tagName + @" order=""0""/>", "", "");
        }


        /// <summary>
        /// Test default parameters
        /// </summary>
        [Test]
        public void DefaultParam() {
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" order=""0""/>";

            string input = "\t\tTEST\t\t";
            string expectedOutput = @"        TEST        ";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test specify replacement character
        /// </summary>
        [Test]
        public void SpecityCharacter() {
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" replacementchar=""*"" order=""0""/>";

            string input = "\t\tTEST\t\t";
            string expectedOutput = @"********TEST********";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }


        /// <summary>
        /// Test specity replacement character and replacement spaces
        /// </summary>
        [Test]
        public void SpecityAll() {
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" replacementchar=""*"" replacementspaces=""6"" order=""0""/>";

            string input = "\t\tTEST\t\t";
            string expectedOutput = @"************TEST************";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test with no tabs
        /// </summary>
        [Test]
        public void SpecityAllNoTabs() {
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" replacementchar=""*"" replacementspaces=""6"" order=""0""/>";

            string input = "NO TABS ARE PRESENT";
            string expectedOutput = @"NO TABS ARE PRESENT";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }

        /// <summary>
        /// Test using the filter tag instead of <tabstospaces>
        /// </summary>
        [Test]
        public void UsingFilterTag() {
            string prologueXml = null;

            string filterXml = @"<filter assembly=""NAnt.Core"" class=""NAnt.Core.Filters.TabsToSpaces"" order=""0"">
                               <param name=""replacementchar"" value=""*""/>
                               <param name=""replacementspaces"" value=""6""/>
                               </filter>";

            string input = "\t\tTEST\t\t";
            string expectedOutput = @"************TEST************";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }


        /// <summary>
        /// Test mixing tabs and characters
        /// </summary>
        [Test]
        public void Scattered() {
            string prologueXml = null;

            string filterXml = @"<" + _tagName + @" replacementchar=""*"" replacementspaces=""1"" order=""0""/>";

            string input = "aaaa\tbb\t\tb\tzzzz\tz\tz\tffff";
            string expectedOutput = @"aaaa*bb**b*zzzz*z*z*ffff";
            base.TestFilter(filterXml, input, expectedOutput, prologueXml);
        }


    }
}