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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
#define DEBUG
using System;
using System.Collections.Generic;
using System.Diagnostics;
namespace Microsoft.Scripting.Utils {
public static class Assert {
public static Exception Unreachable {
get {
Debug.Assert(false, "Unreachable");
return new InvalidOperationException("Code supposed to be unreachable");
}
}
[Conditional("DEBUG")]
public static void NotNull(object var) {
Debug.Assert(var != null);
}
[Conditional("DEBUG")]
public static void NotNull(object var1, object var2) {
Debug.Assert(var1 != null && var2 != null);
}
[Conditional("DEBUG")]
public static void NotNull(object var1, object var2, object var3) {
Debug.Assert(var1 != null && var2 != null && var3 != null);
}
[Conditional("DEBUG")]
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1025:ReplaceRepetitiveArgumentsWithParamsArray")]
public static void NotNull(object var1, object var2, object var3, object var4) {
Debug.Assert(var1 != null && var2 != null && var3 != null && var4 != null);
}
[Conditional("DEBUG")]
public static void NotEmpty(string str) {
Debug.Assert(!String.IsNullOrEmpty(str));
}
[Conditional("DEBUG")]
public static void NotEmpty<T>(ICollection<T> array) {
Debug.Assert(array != null && array.Count > 0);
}
[Conditional("DEBUG")]
public static void NotNullItems<T>(IEnumerable<T> items) where T : class {
Debug.Assert(items != null);
foreach (object item in items) {
Debug.Assert(item != null);
}
}
[Conditional("DEBUG")]
public static void IsTrue(Func<bool> predicate) {
ContractUtils.RequiresNotNull(predicate, "predicate");
Debug.Assert(predicate());
}
}
}
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