Simple Assertion in Unity.

Simple Assertion in Unity

static class Assertions {
	/**
		assert which extends bool.
		usage:
		
		  (0 < transform.position.y).Assert("fall in negative.");
		  
	*/
	public static void Assert (this bool condition, string reason) {
		if (condition) return;

		System.Diagnostics.StackTrace st = new System.Diagnostics.StackTrace(true);

		for (int i = 0; i < st.FrameCount; i++) {
			// 1st line is about the StackTrace start line, unnecessary. 
			if (i < 1) continue;

			var assertFaildPointDescription = st.GetFrame(i).ToString();
			Debug.LogError("E:" + assertFaildPointDescription + " assert failed, reason:" + reason);
		}
		
		Debug.Break();
	}
}