Improve audio and midi support.

test/audio/TestAudioWriter.cpp

@@ -0,0 +1,34 @@
+#include "AudioSample.h"
+#include "AudioSynth.h"
+#include "AudioWriter.h"
+
+#include "TestCase.h"
+#include "TestCaseRunner.h"
+
+#include <memory>
+#include <string>
+
+class TestWriteWav : public TestCase
+{
+public:
+    bool Run() override
+    {
+        AudioWriter writer;
+        writer.SetPath("test.wav");
+
+        AudioSynth synth;
+        auto sample = synth.GetSineWave(240, 5);
+
+        writer.Write(sample);
+        return true;
+    }
+};
+
+int main()
+{
+    TestCaseRunner runner;
+    runner.AddTestCase("TestWriteNav", std::make_unique<TestWriteWav>());
+
+    const auto testsPassed = runner.Run();
+    return testsPassed ? 0 : -1;
+}

test/audio/TestMidiReader.cpp

@@ -0,0 +1,31 @@
+#include "MidiReader.h"
+
+#include "TestCase.h"
+#include "TestCaseRunner.h"
+
+#include <memory>
+#include <string>
+#include <iostream>
+
+class TestReadMidi : public TestCase
+{
+public:
+    bool Run() override
+    {
+        MidiReader reader;
+        reader.Read("/home/jmsgrogan/Downloads/test.mid");
+
+        auto document = reader.GetDocument();
+        std::cout << document->Serialize() << std::endl;
+        return true;
+    }
+};
+
+int main()
+{
+    TestCaseRunner runner;
+    runner.AddTestCase("TestReadMidi", std::make_unique<TestReadMidi>());
+
+    const auto testsPassed = runner.Run();
+    return testsPassed ? 0 : -1;
+}