From b4191bf8f64f984f469dc4fcef0c0f23cf6cf226 Mon Sep 17 00:00:00 2001
From: A Thousand Ships <96648715+AThousandShips@users.noreply.github.com>
Date: Fri, 12 Jan 2024 17:58:42 +0100
Subject: [PATCH] [Core] Fix `AABB.encloses` failing on shared upper bound

This differs from `Rect2(i)` and was fixed for those classes in the past
---
 core/math/aabb.h            | 6 +++---
 tests/core/math/test_aabb.h | 9 +++++++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/core/math/aabb.h b/core/math/aabb.h
index 859810df372a..cea845bf7c2d 100644
--- a/core/math/aabb.h
+++ b/core/math/aabb.h
@@ -200,11 +200,11 @@ inline bool AABB::encloses(const AABB &p_aabb) const {
 
 	return (
 			(src_min.x <= dst_min.x) &&
-			(src_max.x > dst_max.x) &&
+			(src_max.x >= dst_max.x) &&
 			(src_min.y <= dst_min.y) &&
-			(src_max.y > dst_max.y) &&
+			(src_max.y >= dst_max.y) &&
 			(src_min.z <= dst_min.z) &&
-			(src_max.z > dst_max.z));
+			(src_max.z >= dst_max.z));
 }
 
 Vector3 AABB::get_support(const Vector3 &p_normal) const {
diff --git a/tests/core/math/test_aabb.h b/tests/core/math/test_aabb.h
index d3560ff6b6cd..b9f84cca245a 100644
--- a/tests/core/math/test_aabb.h
+++ b/tests/core/math/test_aabb.h
@@ -228,11 +228,20 @@ TEST_CASE("[AABB] Merging") {
 TEST_CASE("[AABB] Encloses") {
 	const AABB aabb_big = AABB(Vector3(-1.5, 2, -2.5), Vector3(4, 5, 6));
 
+	CHECK_MESSAGE(
+			aabb_big.encloses(aabb_big),
+			"encloses() with itself should return the expected result.");
+
 	AABB aabb_small = AABB(Vector3(-1.5, 2, -2.5), Vector3(1, 1, 1));
 	CHECK_MESSAGE(
 			aabb_big.encloses(aabb_small),
 			"encloses() with fully contained AABB (touching the edge) should return the expected result.");
 
+	aabb_small = AABB(Vector3(1.5, 6, 2.5), Vector3(1, 1, 1));
+	CHECK_MESSAGE(
+			aabb_big.encloses(aabb_small),
+			"encloses() with fully contained AABB (touching the edge) should return the expected result.");
+
 	aabb_small = AABB(Vector3(0.5, 1.5, -2), Vector3(1, 1, 1));
 	CHECK_MESSAGE(
 			!aabb_big.encloses(aabb_small),