diff --git a/src/CommandLine/Infrastructure/StringBuilderExtensions.cs b/src/CommandLine/Infrastructure/StringBuilderExtensions.cs
index 6519b66f..ae4ccbc4 100644
--- a/src/CommandLine/Infrastructure/StringBuilderExtensions.cs
+++ b/src/CommandLine/Infrastructure/StringBuilderExtensions.cs
@@ -113,5 +113,39 @@ public static int TrailingSpaces(this StringBuilder builder)
}
return c;
}
+
+ ///
+ /// Indicates whether the string value of a
+ /// starts with the input parameter. Returns false if either
+ /// the StringBuilder or input string is null or empty.
+ ///
+ /// The to test.
+ /// The to look for.
+ ///
+ public static bool SafeStartsWith(this StringBuilder builder, string s)
+ {
+ if (string.IsNullOrEmpty(s))
+ return false;
+
+ return builder?.Length >= s.Length
+ && builder.ToString(0, s.Length) == s;
+ }
+
+ ///
+ /// Indicates whether the string value of a
+ /// ends with the input parameter. Returns false if either
+ /// the StringBuilder or input string is null or empty.
+ ///
+ /// The to test.
+ /// The to look for.
+ ///
+ public static bool SafeEndsWith(this StringBuilder builder, string s)
+ {
+ if (string.IsNullOrEmpty(s))
+ return false;
+
+ return builder?.Length >= s.Length
+ && builder.ToString(builder.Length - s.Length, s.Length) == s;
+ }
}
-}
\ No newline at end of file
+}
diff --git a/src/CommandLine/Text/HelpText.cs b/src/CommandLine/Text/HelpText.cs
index b23bb804..2112a904 100644
--- a/src/CommandLine/Text/HelpText.cs
+++ b/src/CommandLine/Text/HelpText.cs
@@ -109,6 +109,7 @@ ComparableOption ToComparableOption(Specification spec, int index)
private bool addEnumValuesToHelpText;
private bool autoHelp;
private bool autoVersion;
+ private bool addNewLineBetweenHelpSections;
///
/// Initializes a new instance of the class.
@@ -258,6 +259,15 @@ public bool AdditionalNewLineAfterOption
set { additionalNewLineAfterOption = value; }
}
+ ///
+ /// Gets or sets a value indicating whether to add newlines between help sections.
+ ///
+ public bool AddNewLineBetweenHelpSections
+ {
+ get { return addNewLineBetweenHelpSections; }
+ set { addNewLineBetweenHelpSections = value; }
+ }
+
///
/// Gets or sets a value indicating whether to add the values of an enum after the description of the specification.
///
@@ -352,7 +362,11 @@ public static HelpText AutoBuild(
{
var heading = auto.SentenceBuilder.UsageHeadingText();
if (heading.Length > 0)
+ {
+ if (auto.AddNewLineBetweenHelpSections)
+ heading = Environment.NewLine + heading;
auto.AddPreOptionsLine(heading);
+ }
}
usageAttr.Do(
@@ -707,19 +721,40 @@ public static IEnumerable RenderUsageTextAsLines(ParserResult pars
public override string ToString()
{
const int ExtraLength = 10;
- return
- new StringBuilder(
- heading.SafeLength() + copyright.SafeLength() + preOptionsHelp.SafeLength() +
- optionsHelp.SafeLength() + ExtraLength).Append(heading)
- .AppendWhen(!string.IsNullOrEmpty(copyright), Environment.NewLine, copyright)
- .AppendWhen(preOptionsHelp.Length > 0, Environment.NewLine, preOptionsHelp.ToString())
- .AppendWhen(
- optionsHelp != null && optionsHelp.Length > 0,
+
+ var sbLength = heading.SafeLength() + copyright.SafeLength() + preOptionsHelp.SafeLength()
+ + optionsHelp.SafeLength() + postOptionsHelp.SafeLength() + ExtraLength;
+ var result = new StringBuilder(sbLength);
+
+ result.Append(heading)
+ .AppendWhen(!string.IsNullOrEmpty(copyright),
+ Environment.NewLine,
+ copyright)
+ .AppendWhen(preOptionsHelp.SafeLength() > 0,
+ NewLineIfNeededBefore(preOptionsHelp),
+ Environment.NewLine,
+ preOptionsHelp.ToString())
+ .AppendWhen(optionsHelp.SafeLength() > 0,
Environment.NewLine,
Environment.NewLine,
optionsHelp.SafeToString())
- .AppendWhen(postOptionsHelp.Length > 0, Environment.NewLine, postOptionsHelp.ToString())
- .ToString();
+ .AppendWhen(postOptionsHelp.SafeLength() > 0,
+ NewLineIfNeededBefore(postOptionsHelp),
+ Environment.NewLine,
+ postOptionsHelp.ToString());
+
+ string NewLineIfNeededBefore(StringBuilder sb)
+ {
+ if (AddNewLineBetweenHelpSections
+ && result.Length > 0
+ && !result.SafeEndsWith(Environment.NewLine)
+ && !sb.SafeStartsWith(Environment.NewLine))
+ return Environment.NewLine;
+ else
+ return null;
+ }
+
+ return result.ToString();
}
internal static void AddLine(StringBuilder builder, string value, int maximumLength)
diff --git a/tests/CommandLine.Tests/Unit/StringBuilderExtensionsTests.cs b/tests/CommandLine.Tests/Unit/StringBuilderExtensionsTests.cs
new file mode 100644
index 00000000..8fe73a60
--- /dev/null
+++ b/tests/CommandLine.Tests/Unit/StringBuilderExtensionsTests.cs
@@ -0,0 +1,104 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+using FluentAssertions;
+using CommandLine.Infrastructure;
+
+namespace CommandLine.Tests.Unit
+{
+ public class StringBuilderExtensionsTests
+ {
+ private static StringBuilder _sb = new StringBuilder("test string");
+ private static StringBuilder _emptySb = new StringBuilder();
+ private static StringBuilder _nullSb = null;
+
+ public static IEnumerable GoodStartsWithData => new []
+ {
+ new object[] { "t" },
+ new object[] { "te" },
+ new object[] { "test " },
+ new object[] { "test string" }
+ };
+
+ public static IEnumerable BadTestData => new []
+ {
+ new object[] { null },
+ new object[] { "" },
+ new object[] { "xyz" },
+ new object[] { "some long test string" }
+ };
+
+ public static IEnumerable GoodEndsWithData => new[]
+ {
+ new object[] { "g" },
+ new object[] { "ng" },
+ new object[] { " string" },
+ new object[] { "test string" }
+ };
+
+
+
+ [Theory]
+ [MemberData(nameof(GoodStartsWithData))]
+ [MemberData(nameof(BadTestData))]
+ public void StartsWith_null_builder_returns_false(string input)
+ {
+ _nullSb.SafeStartsWith(input).Should().BeFalse();
+ }
+
+ [Theory]
+ [MemberData(nameof(GoodStartsWithData))]
+ [MemberData(nameof(BadTestData))]
+ public void StartsWith_empty_builder_returns_false(string input)
+ {
+ _emptySb.SafeStartsWith(input).Should().BeFalse();
+ }
+
+ [Theory]
+ [MemberData(nameof(GoodStartsWithData))]
+ public void StartsWith_good_data_returns_true(string input)
+ {
+ _sb.SafeStartsWith(input).Should().BeTrue();
+ }
+
+ [Theory]
+ [MemberData(nameof(BadTestData))]
+ public void StartsWith_bad_data_returns_false(string input)
+ {
+ _sb.SafeStartsWith(input).Should().BeFalse();
+ }
+
+ [Theory]
+ [MemberData(nameof(GoodEndsWithData))]
+ [MemberData(nameof(BadTestData))]
+ public void EndsWith_null_builder_returns_false(string input)
+ {
+ _nullSb.SafeEndsWith(input).Should().BeFalse();
+ }
+
+ [Theory]
+ [MemberData(nameof(GoodEndsWithData))]
+ [MemberData(nameof(BadTestData))]
+ public void EndsWith_empty_builder_returns_false(string input)
+ {
+ _emptySb.SafeEndsWith(input).Should().BeFalse();
+ }
+
+ [Theory]
+ [MemberData(nameof(GoodEndsWithData))]
+ public void EndsWith_good_data_returns_true(string input)
+ {
+ _sb.SafeEndsWith(input).Should().BeTrue();
+ }
+
+ [Theory]
+ [MemberData(nameof(BadTestData))]
+ public void EndsWith_bad_data_returns_false(string input)
+ {
+ _sb.SafeEndsWith(input).Should().BeFalse();
+ }
+ }
+}
diff --git a/tests/CommandLine.Tests/Unit/Text/HelpTextTests.cs b/tests/CommandLine.Tests/Unit/Text/HelpTextTests.cs
index 1dd8d45f..32e7ee90 100644
--- a/tests/CommandLine.Tests/Unit/Text/HelpTextTests.cs
+++ b/tests/CommandLine.Tests/Unit/Text/HelpTextTests.cs
@@ -28,53 +28,73 @@ public void Create_empty_instance()
string.Empty.Should().BeEquivalentTo(new HelpText().ToString());
}
- [Fact]
- public void Create_instance_without_options()
+ [Theory]
+ [InlineData(true)]
+ [InlineData(false)]
+ public void Create_instance_without_options(bool newlineBetweenSections)
{
// Fixture setup
// Exercize system
var sut =
- new HelpText(new HeadingInfo("Unit-tests", "2.0"), new CopyrightInfo(true, "Author", 2005, 2013))
- .AddPreOptionsLine("pre-options line 1")
+ new HelpText(new HeadingInfo("Unit-tests", "2.0"), new CopyrightInfo(true, "Author", 2005, 2013));
+ sut.AddNewLineBetweenHelpSections = newlineBetweenSections;
+ sut.AddPreOptionsLine("pre-options line 1")
.AddPreOptionsLine("pre-options line 2")
.AddPostOptionsLine("post-options line 1")
.AddPostOptionsLine("post-options line 2");
// Verify outcome
- var lines = sut.ToString().ToNotEmptyLines();
+ var expected = new List()
+ {
+ "Unit-tests 2.0",
+ "Copyright (C) 2005 - 2013 Author",
+ "pre-options line 1",
+ "pre-options line 2",
+ "post-options line 1",
+ "post-options line 2"
+ };
+
+ if (newlineBetweenSections)
+ {
+ expected.Insert(2, "");
+ expected.Insert(5, "");
+ }
- lines[0].Should().BeEquivalentTo("Unit-tests 2.0");
- lines[1].Should().BeEquivalentTo("Copyright (C) 2005 - 2013 Author");
- lines[2].Should().BeEquivalentTo("pre-options line 1");
- lines[3].Should().BeEquivalentTo("pre-options line 2");
- lines[4].Should().BeEquivalentTo("post-options line 1");
- lines[5].Should().BeEquivalentTo("post-options line 2");
- // Teardown
+ var lines = sut.ToString().ToLines();
+ lines.Should().StartWith(expected);
}
- [Fact]
- public void Create_instance_with_options()
+ [Theory]
+ [InlineData(true)]
+ [InlineData(false)]
+ public void Create_instance_with_options(bool newlineBetweenSections)
{
// Fixture setup
// Exercize system
- var sut = new HelpText { AddDashesToOption = true }
+ var sut = new HelpText { AddDashesToOption = true, AddNewLineBetweenHelpSections = newlineBetweenSections }
.AddPreOptionsLine("pre-options")
.AddOptions(new NotParsed(TypeInfo.Create(typeof(Simple_Options)), Enumerable.Empty()))
.AddPostOptionsLine("post-options");
// Verify outcome
-
- var lines = sut.ToString().ToNotEmptyLines().TrimStringArray();
- lines[0].Should().BeEquivalentTo("pre-options");
- lines[1].Should().BeEquivalentTo("--stringvalue Define a string value here.");
- lines[2].Should().BeEquivalentTo("-s, --shortandlong Example with both short and long name.");
- lines[3].Should().BeEquivalentTo("-i Define a int sequence here.");
- lines[4].Should().BeEquivalentTo("-x Define a boolean or switch value here.");
- lines[5].Should().BeEquivalentTo("--help Display this help screen.");
- lines[6].Should().BeEquivalentTo("--version Display version information.");
- lines[7].Should().BeEquivalentTo("value pos. 0 Define a long value here.");
- lines[8].Should().BeEquivalentTo("post-options");
- // Teardown
+ var expected = new []
+ {
+ "",
+ "pre-options",
+ "",
+ "--stringvalue Define a string value here.",
+ "-s, --shortandlong Example with both short and long name.",
+ "-i Define a int sequence here.",
+ "-x Define a boolean or switch value here.",
+ "--help Display this help screen.",
+ "--version Display version information.",
+ "value pos. 0 Define a long value here.",
+ "",
+ "post-options"
+ };
+
+ var lines = sut.ToString().ToLines().TrimStringArray();
+ lines.Should().StartWith(expected);
}
[Fact]
@@ -320,17 +340,23 @@ public void Invoke_AutoBuild_for_Options_returns_appropriate_formatted_text()
var helpText = HelpText.AutoBuild(fakeResult);
// Verify outcome
- var lines = helpText.ToString().ToNotEmptyLines().TrimStringArray();
+ var lines = helpText.ToString().ToLines().TrimStringArray();
lines[0].Should().Be(HeadingInfo.Default.ToString());
- lines[1].Should().Be(CopyrightInfo.Default.ToString());
- lines[2].Should().BeEquivalentTo("ERROR(S):");
- lines[3].Should().BeEquivalentTo("Token 'badtoken' is not recognized.");
- lines[4].Should().BeEquivalentTo("A sequence option 'i' is defined with fewer or more items than required.");
- lines[5].Should().BeEquivalentTo("--stringvalue Define a string value here.");
- lines[6].Should().BeEquivalentTo("-s, --shortandlong Example with both short and long name.");
- lines[7].Should().BeEquivalentTo("-i Define a int sequence here.");
- lines[8].Should().BeEquivalentTo("-x Define a boolean or switch value here.");
- lines[9].Should().BeEquivalentTo("--help Display this help screen.");
+ lines[1].Should().Be(CopyrightInfo.Default.ToString());
+ lines[2].Should().BeEmpty();
+ lines[3].Should().BeEquivalentTo("ERROR(S):");
+ lines[4].Should().BeEquivalentTo("Token 'badtoken' is not recognized.");
+ lines[5].Should().BeEquivalentTo("A sequence option 'i' is defined with fewer or more items than required.");
+ lines[6].Should().BeEmpty();
+ lines[7].Should().BeEquivalentTo("--stringvalue Define a string value here.");
+ lines[8].Should().BeEmpty();
+ lines[9].Should().BeEquivalentTo("-s, --shortandlong Example with both short and long name.");
+ lines[10].Should().BeEmpty();
+ lines[11].Should().BeEquivalentTo("-i Define a int sequence here.");
+ lines[12].Should().BeEmpty();
+ lines[13].Should().BeEquivalentTo("-x Define a boolean or switch value here.");
+ lines[14].Should().BeEmpty();
+ lines[15].Should().BeEquivalentTo("--help Display this help screen.");
// Teardown
}
@@ -349,15 +375,19 @@ public void Invoke_AutoBuild_for_Verbs_with_specific_verb_returns_appropriate_fo
var helpText = HelpText.AutoBuild(fakeResult);
// Verify outcome
- var lines = helpText.ToString().ToNotEmptyLines().TrimStringArray();
+ var lines = helpText.ToString().ToLines().TrimStringArray();
lines[0].Should().Be(HeadingInfo.Default.ToString());
- lines[1].Should().Be(CopyrightInfo.Default.ToString());
- lines[2].Should().BeEquivalentTo("-p, --patch Use the interactive patch selection interface to chose which");
- lines[3].Should().BeEquivalentTo("changes to commit.");
- lines[4].Should().BeEquivalentTo("--amend Used to amend the tip of the current branch.");
- lines[5].Should().BeEquivalentTo("-m, --message Use the given message as the commit message.");
- lines[6].Should().BeEquivalentTo("--help Display this help screen.");
+ lines[1].Should().Be(CopyrightInfo.Default.ToString());
+ lines[2].Should().BeEmpty();
+ lines[3].Should().BeEquivalentTo("-p, --patch Use the interactive patch selection interface to chose which");
+ lines[4].Should().BeEquivalentTo("changes to commit.");
+ lines[5].Should().BeEmpty();
+ lines[6].Should().BeEquivalentTo("--amend Used to amend the tip of the current branch.");
+ lines[7].Should().BeEmpty();
+ lines[8].Should().BeEquivalentTo("-m, --message Use the given message as the commit message.");
+ lines[9].Should().BeEmpty();
+ lines[10].Should().BeEquivalentTo("--help Display this help screen.");
// Teardown
}
@@ -418,23 +448,26 @@ public void Create_instance_with_options_and_values()
{
// Fixture setup
// Exercize system
- var sut = new HelpText { AddDashesToOption = true }
+ var sut = new HelpText { AddDashesToOption = true, AdditionalNewLineAfterOption = false }
.AddPreOptionsLine("pre-options")
.AddOptions(new NotParsed(TypeInfo.Create(typeof(Options_With_HelpText_And_MetaValue)), Enumerable.Empty()))
.AddPostOptionsLine("post-options");
// Verify outcome
- var lines = sut.ToString().ToNotEmptyLines().TrimStringArray();
- lines[0].Should().BeEquivalentTo("pre-options");
- lines[1].Should().BeEquivalentTo("--stringvalue=STR Define a string value here.");
- lines[2].Should().BeEquivalentTo("-i INTSEQ Define a int sequence here.");
- lines[3].Should().BeEquivalentTo("-x Define a boolean or switch value here.");
- lines[4].Should().BeEquivalentTo("--help Display this help screen.");
- lines[5].Should().BeEquivalentTo("--version Display version information.");
- lines[6].Should().BeEquivalentTo("number (pos. 0) NUM Define a long value here.");
- lines[7].Should().BeEquivalentTo("paintcolor (pos. 1) COLOR Define a color value here.");
- lines[8].Should().BeEquivalentTo("post-options", lines[8]);
+ var lines = sut.ToString().ToLines().TrimStringArray();
+ lines[0].Should().BeEmpty();
+ lines[1].Should().BeEquivalentTo("pre-options");
+ lines[2].Should().BeEmpty();
+ lines[3].Should().BeEquivalentTo("--stringvalue=STR Define a string value here.");
+ lines[4].Should().BeEquivalentTo("-i INTSEQ Define a int sequence here.");
+ lines[5].Should().BeEquivalentTo("-x Define a boolean or switch value here.");
+ lines[6].Should().BeEquivalentTo("--help Display this help screen.");
+ lines[7].Should().BeEquivalentTo("--version Display version information.");
+ lines[8].Should().BeEquivalentTo("number (pos. 0) NUM Define a long value here.");
+ lines[9].Should().BeEquivalentTo("paintcolor (pos. 1) COLOR Define a color value here.");
+ lines[10].Should().BeEmpty();
+ lines[11].Should().BeEquivalentTo("post-options", lines[11]);
// Teardown
}
@@ -466,8 +499,10 @@ public static void RenderUsageText_returns_properly_formatted_text()
lines[10].Should().BeEquivalentTo(" mono testapp.exe value");
}
- [Fact]
- public void Invoke_AutoBuild_for_Options_with_Usage_returns_appropriate_formatted_text()
+ [Theory]
+ [InlineData(true)]
+ [InlineData(false)]
+ public void Invoke_AutoBuild_for_Options_with_Usage_returns_appropriate_formatted_text(bool newlineBetweenSections)
{
// Fixture setup
var fakeResult = new NotParsed(
@@ -478,38 +513,112 @@ public void Invoke_AutoBuild_for_Options_with_Usage_returns_appropriate_formatte
});
// Exercize system
- var helpText = HelpText.AutoBuild(fakeResult);
+ var helpText = HelpText.AutoBuild(fakeResult,
+ h =>
+ {
+ h.AddNewLineBetweenHelpSections = newlineBetweenSections;
+ return HelpText.DefaultParsingErrorsHandler(fakeResult, h);
+ },
+ e => e
+ );
+
+ // Verify outcome
+ var expected = new List()
+ {
+ HeadingInfo.Default.ToString(),
+ CopyrightInfo.Default.ToString(),
+ "",
+ "ERROR(S):",
+ "Token 'badtoken' is not recognized.",
+ "USAGE:",
+ "Normal scenario:",
+ "mono testapp.exe --input file.bin --output out.bin",
+ "Logging warnings:",
+ "mono testapp.exe -w --input file.bin",
+ "Logging errors:",
+ "mono testapp.exe -e --input file.bin",
+ "mono testapp.exe --errs --input=file.bin",
+ "List:",
+ "mono testapp.exe -l 1,2",
+ "Value:",
+ "mono testapp.exe value",
+ "",
+ "-i, --input Set input file.",
+ "",
+ "-i, --output Set output file.",
+ "",
+ "--verbose Set verbosity level.",
+ "",
+ "-w, --warns Log warnings.",
+ "",
+ "-e, --errs Log errors.",
+ "",
+ "-l List.",
+ "",
+ "--help Display this help screen.",
+ "",
+ "--version Display version information.",
+ "",
+ "value pos. 0 Value."
+ };
+
+ if (newlineBetweenSections)
+ expected.Insert(5, "");
+
+ var text = helpText.ToString();
+ var lines = text.ToLines().TrimStringArray();
+
+ lines.Should().StartWith(expected);
+ }
+
+ [Theory]
+ [InlineData(true, true)]
+ [InlineData(true, false)]
+ [InlineData(false, true)]
+ [InlineData(false, false)]
+ public void AutoBuild_with_errors_and_preoptions_renders_correctly(bool startWithNewline, bool newlineBetweenSections)
+ {
+ // Fixture setup
+ var fakeResult = new NotParsed(
+ TypeInfo.Create(typeof(Simple_Options_Without_HelpText)),
+ new Error[]
+ {
+ new BadFormatTokenError("badtoken")
+ });
+
+ // Exercize system
+ var helpText = HelpText.AutoBuild(fakeResult,
+ h =>
+ {
+ h.AddNewLineBetweenHelpSections = newlineBetweenSections;
+ h.AddPreOptionsLine((startWithNewline ? Environment.NewLine : null) + "pre-options");
+ return HelpText.DefaultParsingErrorsHandler(fakeResult, h);
+ },
+ e => e
+ );
// Verify outcome
+ var expected = new List()
+ {
+ HeadingInfo.Default.ToString(),
+ CopyrightInfo.Default.ToString(),
+ "pre-options",
+ "",
+ "ERROR(S):",
+ "Token 'badtoken' is not recognized.",
+ "",
+ "-v, --verbose",
+ "",
+ "--input-file"
+ };
+
+ if (newlineBetweenSections || startWithNewline)
+ expected.Insert(2, "");
+
var text = helpText.ToString();
- var lines = text.ToNotEmptyLines().TrimStringArray();
- lines[0].Should().Be(HeadingInfo.Default.ToString());
- lines[1].Should().Be(CopyrightInfo.Default.ToString());
- lines[2].Should().BeEquivalentTo("ERROR(S):");
- lines[3].Should().BeEquivalentTo("Token 'badtoken' is not recognized.");
- lines[4].Should().BeEquivalentTo("USAGE:");
- lines[5].Should().BeEquivalentTo("Normal scenario:");
- lines[6].Should().BeEquivalentTo("mono testapp.exe --input file.bin --output out.bin");
- lines[7].Should().BeEquivalentTo("Logging warnings:");
- lines[8].Should().BeEquivalentTo("mono testapp.exe -w --input file.bin");
- lines[9].Should().BeEquivalentTo("Logging errors:");
- lines[10].Should().BeEquivalentTo("mono testapp.exe -e --input file.bin");
- lines[11].Should().BeEquivalentTo("mono testapp.exe --errs --input=file.bin");
- lines[12].Should().BeEquivalentTo("List:");
- lines[13].Should().BeEquivalentTo("mono testapp.exe -l 1,2");
- lines[14].Should().BeEquivalentTo("Value:");
- lines[15].Should().BeEquivalentTo("mono testapp.exe value");
- lines[16].Should().BeEquivalentTo("-i, --input Set input file.");
- lines[17].Should().BeEquivalentTo("-i, --output Set output file.");
- lines[18].Should().BeEquivalentTo("--verbose Set verbosity level.");
- lines[19].Should().BeEquivalentTo("-w, --warns Log warnings.");
- lines[20].Should().BeEquivalentTo("-e, --errs Log errors.");
- lines[21].Should().BeEquivalentTo("-l List.");
- lines[22].Should().BeEquivalentTo("--help Display this help screen.");
- lines[23].Should().BeEquivalentTo("--version Display version information.");
- lines[24].Should().BeEquivalentTo("value pos. 0 Value.");
+ var lines = text.ToLines().TrimStringArray();
- // Teardown
+ lines.Should().StartWith(expected);
}
[Fact]