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DistinctUntilChanged

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neuecc
2020-05-12 03:01:05 +09:00
parent 57c414a6e0
commit 72efadd0a2
3 changed files with 338 additions and 1 deletions
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38
src/UniTask.NetCoreTests/Linq/Sets.cs
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@@ -65,6 +65,44 @@ namespace NetCoreTests.Linq
}
}
[Theory]
[MemberData(nameof(array1))]
public async Task DistinctUntilChanged(int[] array)
{
var ys = await array.ToAsyncEnumerable().DistinctUntilChanged().ToArrayAsync();
{
(await array.ToUniTaskAsyncEnumerable().DistinctUntilChanged().ToArrayAsync()).Should().BeEquivalentTo(ys);
(await array.ToUniTaskAsyncEnumerable().DistinctUntilChanged(x => x).ToArrayAsync()).Should().BeEquivalentTo(ys);
(await array.ToUniTaskAsyncEnumerable().DistinctUntilChangedAwait(x => UniTask.Run(() => x)).ToArrayAsync()).Should().BeEquivalentTo(ys);
(await array.ToUniTaskAsyncEnumerable().DistinctUntilChangedAwaitWithCancellation((x, _) => UniTask.Run(() => x)).ToArrayAsync()).Should().BeEquivalentTo(ys);
}
}
[Fact]
public async Task DistinctUntilChangedThrow()
{
foreach (var item in UniTaskTestException.Throws())
{
{
var xs = item.DistinctUntilChanged().ToArrayAsync();
await Assert.ThrowsAsync<UniTaskTestException>(async () => await xs);
}
{
var xs = item.DistinctUntilChanged(x => x).ToArrayAsync();
await Assert.ThrowsAsync<UniTaskTestException>(async () => await xs);
}
{
var xs = item.DistinctUntilChangedAwait(x => UniTask.Run(() => x)).ToArrayAsync();
await Assert.ThrowsAsync<UniTaskTestException>(async () => await xs);
}
{
var xs = item.DistinctUntilChangedAwaitWithCancellation((x, _) => UniTask.Run(() => x)).ToArrayAsync();
await Assert.ThrowsAsync<UniTaskTestException>(async () => await xs);
}
}
}
[Fact]
public async Task Except()
{