Audio: Make the TestDriver class completely internal to the audio test

It's not used anywhere else except during this one test, so move it out
of the global include files.

Signed-off-by: Anna Schumaker <Anna@OcarinaProject.net>

include/core/driver.h

@@ -86,32 +86,4 @@ public:
 	virtual long duration() = 0;
 };
 
-
-#ifdef CONFIG_TEST
-class TestDriver : public Driver
-{
-public:
-	bool playing;
-	long cur_pos;
-	long cur_duration;
-	std::string cur_file;
-
-	TestDriver();
-	~TestDriver();
-	void init(int *, char ***, void (*)(), void (*)());
-
-	void load(const std::string &);
-	bool play();
-	bool pause();
-	bool is_playing();
-
-	void seek_to(long);
-	long position();
-	long duration();
-
-	void eos();
-	void error();
-};
-#endif /* CONFIG_TEST */
-
 #endif /* OCARINA_CORE_DRIVER_H */

tests/core/audio.cpp

@@ -11,24 +11,52 @@ Track *TRACK_NULL = NULL;
 static unsigned int eos_count = 0;
 static unsigned int error_count = 0;
 
-TestDriver :: TestDriver() : playing(false), cur_pos(0), cur_duration(0) {}
-TestDriver :: ~TestDriver() {}
 
-void TestDriver :: init(int *argc, char ***argv, void (*eos_cb)(), void (*error_cb)())
-	{ on_eos = eos_cb; on_error = error_cb; }
-void TestDriver :: load(const std::string &file)
-	{ cur_file = file; playing = false; cur_pos = 0; }
-bool TestDriver :: play()  { playing = true;  return true; }
-bool TestDriver :: pause() { playing = false; return true; }
-bool TestDriver :: is_playing() { return playing; }
+class TestDriver : public Driver
+{
+public:
+	bool playing;
+	long cur_pos;
+	long cur_duration;
+	std::string cur_file;
 
-void TestDriver :: seek_to(long pos) { cur_pos = pos; }
-long TestDriver :: position() { return cur_pos;      }
-long TestDriver :: duration() { return cur_duration; }
+	TestDriver() : playing(false), cur_pos(0), cur_duration(0) {}
+	~TestDriver() {};
 
-void TestDriver :: eos()   { on_eos();   }
-void TestDriver :: error() { on_error(); }
+	void init(int *argc, char ***argv, void (*eos_cb)(), void (*error_cb)())
+	{
+		on_eos   = eos_cb;
+		on_error = error_cb;
+	}
 
+	void load(const std::string &file)
+	{
+		cur_file = file;
+		playing  = false;
+		cur_pos  = 0;
+	}
+
+	bool play()
+	{
+		playing = true;
+		return true;
+	}
+
+	bool pause()
+	{
+		playing = false;
+		return true;
+	}
+
+	bool is_playing() { return playing; }
+
+	void seek_to(long offset) { cur_pos = offset; }
+	long position() { return cur_pos;      }
+	long duration() { return cur_duration; }
+
+	void eos()   { on_eos();   }
+	void error() { on_error(); }
+};
 
 void on_eos()
 {