add sndfile test

[skip build]

test/sndfile.cpp

@@ -0,0 +1,20 @@
+#include <vector>
+#include <sndfile.h>
+
+int main()
+{
+    constexpr int CHANNELS = 1;
+    constexpr int SAMPLE_RATE = 44100;
+    constexpr int SAMPLE_COUNT = SAMPLE_RATE;
+    constexpr int BUFFER_SIZE = SAMPLE_RATE;
+
+    const std::vector<int> buffer(BUFFER_SIZE, 0);
+    SF_INFO info = { SAMPLE_COUNT, SAMPLE_RATE, CHANNELS, SF_FORMAT_WAV | SF_FORMAT_PCM_24, 0, 0 };
+    SNDFILE* file = sf_open("test.wav", SFM_WRITE, &info);
+
+    AEDI_EXPECT(file != nullptr);
+    AEDI_EXPECT(sf_write_int(file, &buffer[0], BUFFER_SIZE) == BUFFER_SIZE);
+    AEDI_EXPECT(sf_close(file) == 0);
+
+    return 0;
+}