68 lines
1.8 KiB
C#
68 lines
1.8 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using MfGames.Gallium;
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using MfGames.Nitride.Entities;
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using Xunit;
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using Xunit.Abstractions;
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namespace MfGames.Nitride.Tests.Entities;
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public class LinkEntitySequenceTests : NitrideTestBase
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{
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public LinkEntitySequenceTests(ITestOutputHelper output)
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: base(output)
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{
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}
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[Fact]
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public void LinkThree()
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{
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NitrideTestContext context = this.CreateContext();
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LinkEntitySequence op = context.Resolve<LinkEntitySequence>();
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var input = new List<Entity>
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{
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new Entity().Add("page1"),
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new Entity().Add("page2"),
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new Entity().Add("page3"),
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};
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var results = op.Run(input)
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.ToList();
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Assert.Equal(3, results.Count);
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EntitySequence seq1 = results[0]
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.Get<EntitySequence>();
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EntitySequence seq2 = results[1]
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.Get<EntitySequence>();
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EntitySequence seq3 = results[2]
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.Get<EntitySequence>();
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Assert.True(seq1.IsFirst);
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Assert.False(seq1.IsLast);
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Assert.False(seq1.HasPrevious);
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Assert.True(seq1.HasNext);
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Assert.Null(seq1.Previous?.Get<string>());
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Assert.Equal("page2", seq1.Next!.Get<string>());
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Assert.False(seq2.IsFirst);
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Assert.False(seq2.IsLast);
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Assert.True(seq2.HasPrevious);
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Assert.True(seq2.HasNext);
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Assert.Equal("page1", seq2.Previous!.Get<string>());
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Assert.Equal("page3", seq2.Next!.Get<string>());
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Assert.False(seq3.IsFirst);
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Assert.True(seq3.IsLast);
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Assert.True(seq3.HasPrevious);
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Assert.False(seq3.HasNext);
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Assert.Equal("page2", seq3.Previous!.Get<string>());
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Assert.Null(seq3.Next?.Get<string>());
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}
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}
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