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// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.UnitTesting;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.ComponentModel.Composition.Primitives;
namespace System.ComponentModel.Composition.UnitTesting
{
internal static class ConstraintAssert
{
public static void Contains(Expression<Func<ExportDefinition, bool>> constraint, string contractName)
{
Contains(constraint, contractName, Enumerable.Empty<KeyValuePair<string, Type>>());
}
public static void Contains(Expression<Func<ExportDefinition, bool>> constraint, string contractName, IEnumerable<KeyValuePair<string, Type>> requiredMetadata)
{
string actualContractName;
IEnumerable<KeyValuePair<string, Type>> actualRequiredMetadata;
bool success = TryParseConstraint(constraint, out actualContractName, out actualRequiredMetadata);
Assert.IsTrue(success);
Assert.AreEqual(contractName, actualContractName);
EnumerableAssert.AreEqual(requiredMetadata, actualRequiredMetadata);
}
private static bool TryParseConstraint(Expression<Func<ExportDefinition, bool>> constraint, out string contractName, out IEnumerable<KeyValuePair<string, Type>> requiredMetadata)
{
return ContraintParser.TryParseConstraint(constraint, out contractName, out requiredMetadata);
}
}
}
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