Nuclex.Support/Source/Parsing/CommandLine.Test.cs

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#region CPL License
/*
Nuclex Framework
Copyright (C) 2002-2014 Nuclex Development Labs
This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.
This library 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
IBM Common Public License for more details.
You should have received a copy of the IBM Common Public
License along with this library
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
#if UNITTEST
using NUnit.Framework;
namespace Nuclex.Support.Parsing {
/// <summary>Ensures that the command line parser is working properly</summary>
[TestFixture]
internal class CommandLineTest {
#region class ArgumentTest
/// <summary>Unit test for the command line option class</summary>
[TestFixture]
public class ArgumentTest {
/// <summary>
/// Verifies that the name of a command line argument without a value can
/// be extracted
/// </summary>
[Test]
public void TestNameExtraction() {
CommandLine.Argument argument = CommandLine.Argument.OptionOnly(
new StringSegment("--test"), 2, 4
);
Assert.AreEqual("--test", argument.Raw);
Assert.AreEqual("--", argument.Initiator);
Assert.AreEqual("test", argument.Name);
Assert.IsNull(argument.Associator);
Assert.IsNull(argument.Value);
}
/// <summary>
/// Verifies that the name of a command line argument without a value can be
/// extracted when the argument is contained in a substring of a larger string
/// </summary>
[Test]
public void TestNameExtractionFromSubstring() {
CommandLine.Argument argument = CommandLine.Argument.OptionOnly(
new StringSegment("||--test||", 2, 6), 4, 4
);
Assert.AreEqual("--test", argument.Raw);
Assert.AreEqual("--", argument.Initiator);
Assert.AreEqual("test", argument.Name);
Assert.IsNull(argument.Associator);
Assert.IsNull(argument.Value);
}
/// <summary>
/// Varifies that the name and value of a command line argument can be extracted
/// </summary>
[Test]
public void TestValueExtraction() {
CommandLine.Argument argument = new CommandLine.Argument(
new StringSegment("--test=123"), 2, 4, 7, 3
);
Assert.AreEqual("--test=123", argument.Raw);
Assert.AreEqual("--", argument.Initiator);
Assert.AreEqual("test", argument.Name);
Assert.AreEqual("=", argument.Associator);
Assert.AreEqual("123", argument.Value);
}
/// <summary>
/// Varifies that the name and value of a command line argument can be extracted
/// when the argument is contained in a substring of a larger string
/// </summary>
[Test]
public void TestValueExtractionFromSubstring() {
CommandLine.Argument argument = new CommandLine.Argument(
new StringSegment("||--test=123||", 2, 10), 4, 4, 9, 3
);
Assert.AreEqual("--test=123", argument.Raw);
Assert.AreEqual("--", argument.Initiator);
Assert.AreEqual("test", argument.Name);
Assert.AreEqual("=", argument.Associator);
Assert.AreEqual("123", argument.Value);
}
/// <summary>
/// Varifies that the name and value of a command line argument can be extracted
/// when the option is assigned a quoted value
/// </summary>
[Test]
public void TestQuotedValueExtraction() {
CommandLine.Argument argument = new CommandLine.Argument(
new StringSegment("--test=\"123\"", 0, 12), 2, 4, 8, 3
);
Assert.AreEqual("--test=\"123\"", argument.Raw);
Assert.AreEqual("--", argument.Initiator);
Assert.AreEqual("test", argument.Name);
Assert.AreEqual("=", argument.Associator);
Assert.AreEqual("123", argument.Value);
}
/// <summary>
/// Varifies that the associator of a command line argument with an open ended
/// value assignment can be retrieved
/// </summary>
[Test]
public void TestValuelessAssociatorRetrieval() {
CommandLine.Argument argument = CommandLine.Argument.OptionOnly(
new StringSegment("--test="), 2, 4
);
Assert.AreEqual("--test=", argument.Raw);
Assert.AreEqual("--", argument.Initiator);
Assert.AreEqual("test", argument.Name);
Assert.AreEqual("=", argument.Associator);
Assert.IsNull(argument.Value);
}
/// <summary>
/// Varifies that the associator of a command line option with an open ended value
/// assignment can be retrieved when the option is contained in a substring of
/// a larger string
/// </summary>
[Test]
public void TestValuelessAssociatorRetrievalFromSubstring() {
CommandLine.Argument option = CommandLine.Argument.OptionOnly(
new StringSegment("||--test=||", 2, 7), 4, 4
);
Assert.AreEqual("--test=", option.Raw);
Assert.AreEqual("--", option.Initiator);
Assert.AreEqual("test", option.Name);
Assert.AreEqual("=", option.Associator);
Assert.IsNull(option.Value);
}
/// <summary>
/// Varifies that a command line argument without an option name can be retrieved
/// </summary>
[Test]
public void TestNamelessValueRetrieval() {
CommandLine.Argument argument = CommandLine.Argument.ValueOnly(
new StringSegment("\"hello world\""), 1, 11
);
Assert.AreEqual("\"hello world\"", argument.Raw);
Assert.IsNull(argument.Initiator);
Assert.IsNull(argument.Name);
Assert.IsNull(argument.Associator);
Assert.AreEqual("hello world", argument.Value);
}
/// <summary>
/// Varifies that a command line argument without an option name can be retrieved
/// that is contained in a substring of larger string
/// </summary>
[Test]
public void TestNamelessValueRetrievalFromSubstring() {
CommandLine.Argument argument = CommandLine.Argument.ValueOnly(
new StringSegment("||\"hello world\"||", 2, 13), 3, 11
);
Assert.AreEqual("\"hello world\"", argument.Raw);
Assert.IsNull(argument.Initiator);
Assert.IsNull(argument.Name);
Assert.IsNull(argument.Associator);
Assert.AreEqual("hello world", argument.Value);
}
}
#endregion // class ArgumentTest
/// <summary>Verifies that the default constructor is working</summary>
[Test]
public void TestDefaultConstructor() {
CommandLine commandLine = new CommandLine();
Assert.AreEqual(0, commandLine.Arguments.Count);
}
/// <summary>
/// Validates that the parser can handle an argument initiator with an
/// assignment that is missing a name
/// </summary>
[Test]
public void TestParseAmbiguousNameResolution() {
CommandLine commandLine = CommandLine.Parse("--:test");
// Without a name, this is not a valid command line option, so it will
// be parsed as a loose value instead.
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("--:test", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("--:test", commandLine.Arguments[0].Value);
}
/// <summary>
/// Verifies that a lone short argument initiator without anything behind
/// can be parsed
/// </summary>
[Test]
public void TestParseShortArgumentInitiatorOnly() {
CommandLine commandLine = CommandLine.Parse("-");
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("-", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("-", commandLine.Arguments[0].Value);
}
/// <summary>
/// Verifies that a lone long argument initiator without anything behind
/// can be parsed
/// </summary>
[Test]
public void TestParseLongArgumentInitiatorOnly() {
CommandLine commandLine = CommandLine.Parse("--");
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("--", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("--", commandLine.Arguments[0].Value);
}
/// <summary>
/// Validates that the parser can handle multiple lone argument initators without
/// a following argument
/// </summary>
[Test]
public void TestParseArgumentInitiatorAtEnd() {
CommandLine commandLine = CommandLine.Parse("-hello:-world -");
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("-hello:-world", commandLine.Arguments[0].Raw);
Assert.AreEqual("-", commandLine.Arguments[0].Initiator);
Assert.AreEqual("hello", commandLine.Arguments[0].Name);
Assert.AreEqual(":", commandLine.Arguments[0].Associator);
Assert.AreEqual("-world", commandLine.Arguments[0].Value);
Assert.AreEqual("-", commandLine.Arguments[1].Raw);
Assert.IsNull(commandLine.Arguments[1].Initiator);
Assert.IsNull(commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.AreEqual("-", commandLine.Arguments[1].Value);
}
/// <summary>Validates that quoted arguments can be parsed</summary>
[Test]
public void TestParseQuotedValue() {
CommandLine commandLine = CommandLine.Parse("hello -world --this -is=\"a test\"");
Assert.AreEqual(4, commandLine.Arguments.Count);
Assert.AreEqual("hello", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("hello", commandLine.Arguments[0].Value);
Assert.AreEqual("-world", commandLine.Arguments[1].Raw);
Assert.AreEqual("-", commandLine.Arguments[1].Initiator);
Assert.AreEqual("world", commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.IsNull(commandLine.Arguments[1].Value);
Assert.AreEqual("--this", commandLine.Arguments[2].Raw);
Assert.AreEqual("--", commandLine.Arguments[2].Initiator);
Assert.AreEqual("this", commandLine.Arguments[2].Name);
Assert.IsNull(commandLine.Arguments[2].Associator);
Assert.IsNull(commandLine.Arguments[2].Value);
Assert.AreEqual("-is=\"a test\"", commandLine.Arguments[3].Raw);
Assert.AreEqual("-", commandLine.Arguments[3].Initiator);
Assert.AreEqual("is", commandLine.Arguments[3].Name);
Assert.AreEqual("=", commandLine.Arguments[3].Associator);
Assert.AreEqual("a test", commandLine.Arguments[3].Value);
}
/// <summary>Validates that null can be parsed</summary>
[Test]
public void TestParseNull() {
CommandLine commandLine = CommandLine.Parse((string)null);
Assert.AreEqual(0, commandLine.Arguments.Count);
}
/// <summary>Validates that a single argument without quotes can be parsed</summary>
[Test]
public void TestParseSingleNakedValue() {
CommandLine commandLine = CommandLine.Parse("hello");
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("hello", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("hello", commandLine.Arguments[0].Value);
}
/// <summary>
/// Validates that the parser can handle a quoted argument that's missing
/// the closing quote
/// </summary>
[Test]
public void TestParseQuotedArgumentWithoutClosingQuote() {
CommandLine commandLine = CommandLine.Parse("\"Quoted argument");
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("\"Quoted argument", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("Quoted argument", commandLine.Arguments[0].Value);
}
/// <summary>
/// Validates that the parser correctly handles a quoted value assignment that's
/// missing the closing quote
/// </summary>
[Test]
public void TestParseQuotedValueWithoutClosingQuote() {
CommandLine commandLine = CommandLine.Parse("--test=\"Quoted argument");
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("--test=\"Quoted argument", commandLine.Arguments[0].Raw);
Assert.AreEqual("--", commandLine.Arguments[0].Initiator);
Assert.AreEqual("test", commandLine.Arguments[0].Name);
Assert.AreEqual("=", commandLine.Arguments[0].Associator);
Assert.AreEqual("Quoted argument", commandLine.Arguments[0].Value);
}
/// <summary>
/// Validates that the parser can handle an command line consisting of only spaces
/// </summary>
[Test]
public void TestParseSpacesOnly() {
CommandLine commandLine = CommandLine.Parse(" \t ");
Assert.AreEqual(0, commandLine.Arguments.Count);
}
/// <summary>
/// Validates that the parser can handle a quoted option
/// </summary>
[Test]
public void TestParseQuotedOption() {
CommandLine commandLine = CommandLine.Parse("--\"hello\"");
// Quoted options are not supported, so this becomes a loose value
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("--\"hello\"", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("--\"hello\"", commandLine.Arguments[0].Value);
}
/// <summary>
/// Validates that the parser can handle multiple lone argument initators without
/// a following argument
/// </summary>
[Test]
public void TestParseMultipleLoneArgumentInitiators() {
CommandLine commandLine = CommandLine.Parse("--- --");
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("---", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("---", commandLine.Arguments[0].Value);
Assert.AreEqual("--", commandLine.Arguments[1].Raw);
Assert.IsNull(commandLine.Arguments[1].Initiator);
Assert.IsNull(commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.AreEqual("--", commandLine.Arguments[1].Value);
}
/// <summary>
/// Verifies that the parser correctly handles options with embedded option initiators
/// </summary>
[Test]
public void TestParseOptionWithEmbeddedInitiator() {
CommandLine commandLine = CommandLine.Parse("-hello/world=123 -test-case");
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("-hello/world=123", commandLine.Arguments[0].Raw);
Assert.AreEqual("-", commandLine.Arguments[0].Initiator);
Assert.AreEqual("hello/world", commandLine.Arguments[0].Name);
Assert.AreEqual("=", commandLine.Arguments[0].Associator);
Assert.AreEqual("123", commandLine.Arguments[0].Value);
Assert.AreEqual("-test-case", commandLine.Arguments[1].Raw);
Assert.AreEqual("-", commandLine.Arguments[1].Initiator);
Assert.AreEqual("test-case", commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.IsNull(commandLine.Arguments[1].Value);
}
/// <summary>
/// Validates that arguments and values without spaces inbetween can be parsed
/// </summary>
[Test]
public void TestParseOptionAndValueWithoutSpaces() {
CommandLine commandLine = CommandLine.Parse("\"value\"-option\"value\"");
Assert.AreEqual(3, commandLine.Arguments.Count);
Assert.AreEqual("\"value\"", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("value", commandLine.Arguments[0].Value);
Assert.AreEqual("-option", commandLine.Arguments[1].Raw);
Assert.AreEqual("-", commandLine.Arguments[1].Initiator);
Assert.AreEqual("option", commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.IsNull(commandLine.Arguments[1].Value);
Assert.AreEqual("\"value\"", commandLine.Arguments[2].Raw);
Assert.IsNull(commandLine.Arguments[2].Initiator);
Assert.IsNull(commandLine.Arguments[2].Name);
Assert.IsNull(commandLine.Arguments[2].Associator);
Assert.AreEqual("value", commandLine.Arguments[2].Value);
}
/// <summary>
/// Validates that options with modifiers at the end of the command line
/// are parsed successfully
/// </summary>
[Test]
public void TestParseOptionWithModifierAtEnd() {
CommandLine commandLine = CommandLine.Parse("--test-value- -test+");
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("--test-value-", commandLine.Arguments[0].Raw);
Assert.AreEqual("--", commandLine.Arguments[0].Initiator);
Assert.AreEqual("test-value", commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("-", commandLine.Arguments[0].Value);
Assert.AreEqual("-test+", commandLine.Arguments[1].Raw);
Assert.AreEqual("-", commandLine.Arguments[1].Initiator);
Assert.AreEqual("test", commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.AreEqual("+", commandLine.Arguments[1].Value);
}
/// <summary>
/// Validates that options with values assigned to them are parsed successfully
/// </summary>
[Test]
public void TestParseOptionWithAssignment() {
CommandLine commandLine = CommandLine.Parse("-hello: -world=321");
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("-hello:", commandLine.Arguments[0].Raw);
Assert.AreEqual("-", commandLine.Arguments[0].Initiator);
Assert.AreEqual("hello", commandLine.Arguments[0].Name);
Assert.AreEqual(":", commandLine.Arguments[0].Associator);
Assert.IsNull(commandLine.Arguments[0].Value);
Assert.AreEqual("-world=321", commandLine.Arguments[1].Raw);
Assert.AreEqual("-", commandLine.Arguments[1].Initiator);
Assert.AreEqual("world", commandLine.Arguments[1].Name);
Assert.AreEqual("=", commandLine.Arguments[1].Associator);
Assert.AreEqual("321", commandLine.Arguments[1].Value);
}
/// <summary>
/// Validates that options with an empty value at the end of the command line
/// string are parsed successfully
/// </summary>
[Test]
public void TestParseOptionAtEndOfString() {
CommandLine commandLine = CommandLine.Parse("--test:");
Assert.AreEqual(1, commandLine.Arguments.Count);
Assert.AreEqual("--test:", commandLine.Arguments[0].Raw);
Assert.AreEqual("--", commandLine.Arguments[0].Initiator);
Assert.AreEqual("test", commandLine.Arguments[0].Name);
Assert.AreEqual(":", commandLine.Arguments[0].Associator);
Assert.IsNull(commandLine.Arguments[0].Value);
}
/// <summary>
/// Verifies that the parser can recognize windows command line options if
/// configured to windows mode
/// </summary>
[Test]
public void TestWindowsOptionInitiator() {
CommandLine commandLine = CommandLine.Parse("/hello //world", true);
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("/hello", commandLine.Arguments[0].Raw);
Assert.AreEqual("/", commandLine.Arguments[0].Initiator);
Assert.AreEqual("hello", commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.IsNull(commandLine.Arguments[0].Value);
Assert.AreEqual("//world", commandLine.Arguments[1].Raw);
Assert.IsNull(commandLine.Arguments[1].Initiator);
Assert.IsNull(commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.AreEqual("//world", commandLine.Arguments[1].Value);
}
/// <summary>
/// Verifies that the parser ignores windows command line options if
/// configured to non-windows mode
/// </summary>
[Test]
public void TestNonWindowsOptionValues() {
CommandLine commandLine = CommandLine.Parse("/hello //world", false);
Assert.AreEqual(2, commandLine.Arguments.Count);
Assert.AreEqual("/hello", commandLine.Arguments[0].Raw);
Assert.IsNull(commandLine.Arguments[0].Initiator);
Assert.IsNull(commandLine.Arguments[0].Name);
Assert.IsNull(commandLine.Arguments[0].Associator);
Assert.AreEqual("/hello", commandLine.Arguments[0].Value);
Assert.AreEqual("//world", commandLine.Arguments[1].Raw);
Assert.IsNull(commandLine.Arguments[1].Initiator);
Assert.IsNull(commandLine.Arguments[1].Name);
Assert.IsNull(commandLine.Arguments[1].Associator);
Assert.AreEqual("//world", commandLine.Arguments[1].Value);
}
/// <summary>
/// Tests whether the existence of named arguments can be checked
/// </summary>
[Test]
public void HasArgumentWorksForWindowsStyleArguments() {
CommandLine test = CommandLine.Parse("/first:x /second:y /second:z third", true);
Assert.IsTrue(test.HasArgument("first"));
Assert.IsTrue(test.HasArgument("second"));
Assert.IsFalse(test.HasArgument("third"));
Assert.IsFalse(test.HasArgument("fourth"));
}
/// <summary>
/// Tests whether the existence of named arguments can be checked
/// </summary>
[Test]
public void HasArgumentWorksForUnixStyleArguments() {
CommandLine test = CommandLine.Parse("--first=x --second=y --second=z third", false);
Assert.IsTrue(test.HasArgument("first"));
Assert.IsTrue(test.HasArgument("second"));
Assert.IsFalse(test.HasArgument("third"));
Assert.IsFalse(test.HasArgument("fourth"));
}
/// <summary>
/// Tests whether a command line can be built with the command line class
/// </summary>
[Test]
public void TestCommandLineFormatting() {
CommandLine commandLine = new CommandLine(true);
commandLine.AddValue("single");
commandLine.AddValue("with space");
commandLine.AddOption("option");
commandLine.AddOption("@@", "extravagant-option");
commandLine.AddAssignment("name", "value");
commandLine.AddAssignment("name", "value with spaces");
commandLine.AddAssignment("@@", "name", "value");
commandLine.AddAssignment("@@", "name", "value with spaces");
Assert.AreEqual(8, commandLine.Arguments.Count);
Assert.AreEqual("single", commandLine.Arguments[0].Value);
Assert.AreEqual("with space", commandLine.Arguments[1].Value);
Assert.AreEqual("option", commandLine.Arguments[2].Name);
Assert.AreEqual("@@", commandLine.Arguments[3].Initiator);
Assert.AreEqual("extravagant-option", commandLine.Arguments[3].Name);
Assert.AreEqual("name", commandLine.Arguments[4].Name);
Assert.AreEqual("value", commandLine.Arguments[4].Value);
Assert.AreEqual("name", commandLine.Arguments[5].Name);
Assert.AreEqual("value with spaces", commandLine.Arguments[5].Value);
Assert.AreEqual("@@", commandLine.Arguments[6].Initiator);
Assert.AreEqual("name", commandLine.Arguments[6].Name);
Assert.AreEqual("value", commandLine.Arguments[6].Value);
Assert.AreEqual("name", commandLine.Arguments[7].Name);
Assert.AreEqual("@@", commandLine.Arguments[7].Initiator);
Assert.AreEqual("value with spaces", commandLine.Arguments[7].Value);
string commandLineString = commandLine.ToString();
Assert.AreEqual(
"single \"with space\" " +
"-option @@extravagant-option " +
"-name=value -name=\"value with spaces\" " +
"@@name=value @@name=\"value with spaces\"",
commandLineString
);
}
/// <summary>
/// Tests whether a command line can be built that contains empty arguments
/// </summary>
[Test]
public void TestNullArgumentFormatting() {
CommandLine commandLine = new CommandLine(false);
commandLine.AddValue(string.Empty);
commandLine.AddValue("hello");
commandLine.AddValue(null);
commandLine.AddValue("-test");
Assert.AreEqual(4, commandLine.Arguments.Count);
string commandLineString = commandLine.ToString();
Assert.AreEqual("\"\" hello \"\" \"-test\"", commandLineString);
}
}
} // namespace Nuclex.Support.Parsing
#endif // UNITTEST