kingchenc
91f6f67257
The first language stecker on the C ABI hub: a .NET binding exposing all 514 indicators as idiomatic `IDisposable` classes, generated from `wickra.h`. ## What's here - **`bindings/csharp/`** — the `Wickra` .NET 8 package. `[LibraryImport]` source-generated P/Invoke (`NativeMethods.g.cs`) plus idiomatic wrappers (`Indicators.g.cs`), both generated from the committed `bindings/c/include/wickra.h`. The binding owns no indicator maths — it only marshals types across the C ABI. - **Marshalling, verified end-to-end against the native library.** Opaque handles cross as `nint` kept alive per call via a `SafeHandle`; `bool` as `[MarshalAs(U1)]` (Rust `bool` is one byte); a self-correcting `DllImportResolver` validates the loaded library actually exports the Wickra ABI. Tests cover one representative per FFI archetype (scalar, candle, pairwise, multi-output, bars, profile, values-profile, order-book / array-input) plus exact Sma reference values. - **NuGet packaging** — `dotnet pack` produces `Wickra.<version>.nupkg`; the release pipeline stages prebuilt native libraries under `runtimes/<rid>/native/` for six target triples (win/linux/osx × x64/arm64). - **`examples/csharp/`** — nine examples mirroring `examples/c/`: streaming, backtest, multi_timeframe, parallel_assets, three strategies, and fetch_btcusdt + live_binance. - **CI** — a `csharp` job on the three OSes builds the C ABI, tests the binding, and runs the offline examples. **Release** — a gated `csharp-publish` job packs and pushes to NuGet (gated on `NUGET_API_KEY`, independent of the GitHub-release job so a C# hiccup never blocks the C/C++ asset release). - **Docs consistency wave** — README, CONTRIBUTING, CHANGELOG, examples/README, the issue / PR templates, `sync-about.yml`, and `.gitattributes`. The native Python / Node / WASM bindings and the C ABI are untouched; this is additive. Publishing to NuGet stays gated behind the release tag and the secret.
52 lines
1.4 KiB
C#
52 lines
1.4 KiB
C#
using Wickra;
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using Xunit;
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namespace Wickra.Tests;
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public class SmaTests
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{
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[Fact]
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public void StreamingMatchesReference()
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{
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using var sma = new Sma(3);
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Assert.True(double.IsNaN(sma.Update(1)));
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Assert.True(double.IsNaN(sma.Update(2)));
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Assert.Equal(2.0, sma.Update(3), 9);
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Assert.Equal(3.0, sma.Update(4), 9);
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Assert.Equal(4.0, sma.Update(5), 9);
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}
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[Fact]
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public void BatchMatchesStreaming()
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{
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using var sma = new Sma(3);
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var output = sma.Batch(new double[] { 1, 2, 3, 4, 5 });
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Assert.True(double.IsNaN(output[0]));
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Assert.True(double.IsNaN(output[1]));
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Assert.Equal(2.0, output[2], 9);
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Assert.Equal(3.0, output[3], 9);
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Assert.Equal(4.0, output[4], 9);
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}
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[Fact]
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public void ResetClearsState()
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{
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using var sma = new Sma(3);
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sma.Update(1);
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sma.Update(2);
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sma.Update(3);
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sma.Reset();
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Assert.True(double.IsNaN(sma.Update(10)));
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}
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[Fact]
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public void ZeroPeriodThrows()
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{
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// Zero is rejected by the native constructor (returns NULL) -> ArgumentException;
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// a negative period is caught earlier by the wrapper guard.
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Assert.Throws<ArgumentException>(() => new Sma(0));
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Assert.Throws<ArgumentOutOfRangeException>(() => new Sma(-1));
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}
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}
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