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// 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.
// Do not remove this, it is needed to retain calls to these conditional methods in release builds
#define DEBUG
namespace System.Diagnostics
{
/// <summary>
/// Provides a set of properties and methods for debugging code.
/// </summary>
public static partial class Debug
{
private static readonly object s_lock = new object();
public static bool AutoFlush { get { return true; } set { } }
[ThreadStatic]
private static int s_indentLevel;
public static int IndentLevel
{
get
{
return s_indentLevel;
}
set
{
s_indentLevel = value < 0 ? 0 : value;
}
}
private static int s_indentSize = 4;
public static int IndentSize
{
get
{
return s_indentSize;
}
set
{
s_indentSize = value < 0 ? 0 : value;
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Close() { }
[System.Diagnostics.Conditional("DEBUG")]
public static void Flush() { }
[System.Diagnostics.Conditional("DEBUG")]
public static void Indent()
{
IndentLevel++;
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Unindent()
{
IndentLevel--;
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Print(string message)
{
Write(message);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Print(string format, params object[] args)
{
Write(string.Format(null, format, args));
}
private static readonly object s_ForLock = new Object();
[System.Diagnostics.Conditional("DEBUG")]
public static void Assert(bool condition)
{
Assert(condition, string.Empty, string.Empty);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Assert(bool condition, string message)
{
Assert(condition, message, string.Empty);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Assert(bool condition, string message, string detailMessage)
{
if (!condition)
{
string stackTrace;
try
{
stackTrace = Internal.Runtime.Augments.EnvironmentAugments.StackTrace;
}
catch
{
stackTrace = "";
}
WriteLine(FormatAssert(stackTrace, message, detailMessage));
s_ShowAssertDialog(stackTrace, message, detailMessage);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Fail(string message)
{
Assert(false, message, string.Empty);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Fail(string message, string detailMessage)
{
Assert(false, message, detailMessage);
}
private static string FormatAssert(string stackTrace, string message, string detailMessage)
{
string newLine = GetIndentString() + Environment.NewLine;
return SR.DebugAssertBanner + newLine
+ SR.DebugAssertShortMessage + newLine
+ message + newLine
+ SR.DebugAssertLongMessage + newLine
+ detailMessage + newLine
+ stackTrace;
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Assert(bool condition, string message, string detailMessageFormat, params object[] args)
{
Assert(condition, message, string.Format(detailMessageFormat, args));
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLine(string message)
{
Write(message + Environment.NewLine);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Write(string message)
{
lock (s_lock)
{
if (message == null)
{
s_WriteCore(string.Empty);
return;
}
if (s_needIndent)
{
message = GetIndentString() + message;
s_needIndent = false;
}
s_WriteCore(message);
if (message.EndsWith(Environment.NewLine))
{
s_needIndent = true;
}
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLine(object value)
{
WriteLine(value?.ToString());
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLine(object value, string category)
{
WriteLine(value?.ToString(), category);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLine(string format, params object[] args)
{
WriteLine(string.Format(null, format, args));
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLine(string message, string category)
{
if (category == null)
{
WriteLine(message);
}
else
{
WriteLine(category + ":" + message);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Write(object value)
{
Write(value?.ToString());
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Write(string message, string category)
{
if (category == null)
{
Write(message);
}
else
{
Write(category + ":" + message);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void Write(object value, string category)
{
Write(value?.ToString(), category);
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteIf(bool condition, string message)
{
if (condition)
{
Write(message);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteIf(bool condition, object value)
{
if (condition)
{
Write(value);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteIf(bool condition, string message, string category)
{
if (condition)
{
Write(message, category);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteIf(bool condition, object value, string category)
{
if (condition)
{
Write(value, category);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLineIf(bool condition, object value)
{
if (condition)
{
WriteLine(value);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLineIf(bool condition, object value, string category)
{
if (condition)
{
WriteLine(value, category);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLineIf(bool condition, string message)
{
if (condition)
{
WriteLine(message);
}
}
[System.Diagnostics.Conditional("DEBUG")]
public static void WriteLineIf(bool condition, string message, string category)
{
if (condition)
{
WriteLine(message, category);
}
}
private static bool s_needIndent;
private static string s_indentString;
private static string GetIndentString()
{
int indentCount = IndentSize * IndentLevel;
if (s_indentString?.Length == indentCount)
{
return s_indentString;
}
return s_indentString = new string(' ', indentCount);
}
private sealed class DebugAssertException : Exception
{
internal DebugAssertException(string message, string detailMessage, string stackTrace) :
base(message + Environment.NewLine + detailMessage + Environment.NewLine + stackTrace)
{
}
}
// internal and not readonly so that the tests can swap this out.
internal static Action<string, string, string> s_ShowAssertDialog = ShowAssertDialog;
internal static Action<string> s_WriteCore = WriteCore;
}
}
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