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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.
using System.Linq;
using Microsoft.CodeAnalysis.Text;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.UnitTests
{
public class LineMappingTests
{
[Fact]
public void Equality()
{
var lineMappings = new LineMapping[]
{
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: true)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 2)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(2, 2)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 1), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(1, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("file.cs", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), 0, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 2)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 0), new LinePosition(2, 2)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(0, 1), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
new LineMapping(new LinePositionSpan(new LinePosition(1, 0), new LinePosition(1, 1)), null, new FileLinePositionSpan("", new LinePositionSpan(new LinePosition(0, 0), new LinePosition(1, 1)), hasMappedPath: false)),
};
var equalityUnits = lineMappings.SelectMany((left, leftIndex) => lineMappings.Select((right, rightIndex) => CreateEqualityUnit(left, leftIndex, right, rightIndex))).ToArray();
EqualityUtil.RunAll(
(left, right) => left == right,
(left, right) => left != right,
equalityUnits);
static EqualityUnit<LineMapping> CreateEqualityUnit(LineMapping left, int leftIndex, LineMapping right, int rightIndex)
{
var leftUnit = EqualityUnit.Create(left);
return (leftIndex == rightIndex) ? leftUnit.WithEqualValues(right) : leftUnit.WithNotEqualValues(right);
}
}
}
}
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