Start work on automated test.

tests/test_automated/ma_test_automated.c

+
+#include "../test_common/ma_test_common.c"
+#include "ma_test_automated_data_converter.c"
+
+int main(int argc, char** argv)
+{
+    ma_result result;
+    ma_bool32 hasError = MA_FALSE;
+    size_t iTest;
+
+    (void)argc;
+    (void)argv;
+
+    result = ma_register_test("Data Conversion", test_entry__data_converter);
+    if (result != MA_SUCCESS) {
+        return result;
+    }
+
+    for (iTest = 0; iTest < g_Tests.count; iTest += 1) {
+        printf("=== BEGIN %s ===\n", g_Tests.pTests[iTest].pName);
+        result = g_Tests.pTests[iTest].onEntry(argc, argv);
+        printf("=== END %s : %s ===\n", g_Tests.pTests[iTest].pName, (result == 0) ? "PASSED" : "FAILED");
+
+        if (result != 0) {
+            hasError = MA_TRUE;
+        }
+    }
+
+    if (hasError) {
+        return -1;  /* Something failed. */
+    } else {
+        return 0;   /* Everything passed. */
+    }
+}
\ No newline at end of file

tests/test_common/ma_test_common.c

@@ -5,6 +5,10 @@
 #define DR_WAV_IMPLEMENTATION
 #include "../../extras/dr_wav.h"
 
+/* Make sure we include the Speex resampler so we can test it. */
+#define MINIAUDIO_SPEEX_RESAMPLER_IMPLEMENTATION
+#include "../../extras/speex_resampler/ma_speex_resampler.h"
+
 #define MINIAUDIO_IMPLEMENTATION
 #include "../../miniaudio.h"