56 lines
2.2 KiB
C#
56 lines
2.2 KiB
C#
 
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using System.Runtime.InteropServices;
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using VoiceCat.Interop;
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namespace VoiceCat.Interop.Tests;
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/// <summary>
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/// API-surface smoke tests for StreamFeedPcm / SetPcmSink through the P/Invoke layer.
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/// These tests need voicecat.dll but NOT a running server — they verify the C# wrapper
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/// compiles, is callable, and the error paths work at the C-ABI boundary. Full E2E relay
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/// verification is handled by tests/test_external_pcm.cpp (C++ ctest).
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/// </summary>
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public sealed class ExternalPcmTests
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{
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[Fact]
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public void StreamFeedPcm_NoActiveStream_ReturnsInvalidArg()
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{
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using var client = new VoiceCatClient("ext-pcm-test", "0.1", VcLogLevel.Off);
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var pcm = new short[960];
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// Stream 0 doesn't exist — core must return InvalidArg, not crash.
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var result = client.StreamFeedPcm(0, pcm, 960, channels: 1);
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Assert.Equal(VcResult.InvalidArg, result);
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}
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[Fact]
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public void StreamFeedPcm_InvalidChannels_ReturnsInvalidArg()
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{
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using var client = new VoiceCatClient("ext-pcm-test", "0.1", VcLogLevel.Off);
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var pcm = new short[960 * 3];
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// channels=3 is not supported — trampoline rejects before touching audio state.
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var result = client.StreamFeedPcm(0, pcm, 960, channels: 3);
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Assert.Equal(VcResult.InvalidArg, result);
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}
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[Fact]
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public void SetPcmSink_Zero_ReturnsOk()
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{
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using var client = new VoiceCatClient("ext-pcm-test", "0.1", VcLogLevel.Off);
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// IntPtr.Zero = disable — default state, must be a no-op that returns Ok.
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var result = client.SetPcmSink(IntPtr.Zero, IntPtr.Zero);
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Assert.Equal(VcResult.Ok, result);
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}
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[Fact]
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public void SetPcmSink_EnableThenDisable_BothSucceed()
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{
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using var client = new VoiceCatClient("ext-pcm-test", "0.1", VcLogLevel.Off);
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// Keep the delegate alive until after we unregister it (not just until the P/Invoke call).
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NativeMethods.VcPcmSinkCallback sink = static (_, _, _, _, _, _, _) => { };
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nint fp = Marshal.GetFunctionPointerForDelegate(sink);
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Assert.Equal(VcResult.Ok, client.SetPcmSink(fp, IntPtr.Zero));
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Assert.Equal(VcResult.Ok, client.SetPcmSink(IntPtr.Zero, IntPtr.Zero));
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GC.KeepAlive(sink);
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}
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}
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