Temporarily added in the example from the library for a few initial tests.

merge_texture.cpp

@@ -1,7 +1,37 @@
 #include "merge_texture.h"
 
-void MergeTexture::test() {
+String MergeTexture::test() {
+	String res = "";
 
+	const int RECTS = 200;
+	const bool ALLOW_FLIP = false;
+
+	rect_xywhf rects[RECTS], *ptr_rects[RECTS];
+
+	for (int i = 0; i < RECTS; ++i) {
+		rects[i] = rect_xywhf(0, 0, 7 + rand() % 50, 7 + rand() % 50);
+		ptr_rects[i] = rects + i;
+	}
+
+	std::vector<bin> bins;
+
+	if (pack(ptr_rects, RECTS, 400, ALLOW_FLIP, bins)) {
+		res += "bins: " + String::num(bins.size()) + "\n";
+
+		for (int i = 0; i < bins.size(); ++i) {
+			res += "bin: " + String::num(i) + ", rects: " + String::num(bins[i].size.w) + " " + String::num(bins[i].size.h) + " " + String::num(bins[i].rects.size()) + "\n";
+
+			for (int r = 0; r < bins[i].rects.size(); ++r) {
+				rect_xywhf *rect = bins[i].rects[r];
+
+				res += "rect " + String::num(r) + ": x: " + String::num(rect->x) + ", y: " + String::num(rect->y) + ", w: " + String::num(rect->w) + ", h: " + String::num(rect->h) + ", was flipped: " + (rect->flipped ? "yes" : " no") + "\n";
+			}
+		}
+	} else {
+		res += "failed: there's a rectangle with width/height bigger than max_size!\n";
+	}
+
+	return res;
 }
 
 MergeTexture::MergeTexture() {

merge_texture.h

@@ -10,7 +10,7 @@ class MergeTexture : public ImageTexture {
 	GDCLASS(MergeTexture, ImageTexture);
 
 public:
-	void test();
+	String test();
 
 	MergeTexture();
 	~MergeTexture();