From 339661229dd65161ec904fdc73390316a095bd46 Mon Sep 17 00:00:00 2001
From: Vaxry <43317083+vaxerski@users.noreply.github.com>
Date: Tue, 10 Feb 2026 14:59:21 +0000
Subject: [PATCH] desktop/reserved: fix a possible reserved crash (#13207)

---
 src/desktop/reserved/ReservedArea.cpp |  3 ++-
 tests/desktop/Reserved.cpp            | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/desktop/reserved/ReservedArea.cpp b/src/desktop/reserved/ReservedArea.cpp
index 07e83a82..8b4956dd 100644
--- a/src/desktop/reserved/ReservedArea.cpp
+++ b/src/desktop/reserved/ReservedArea.cpp
@@ -16,7 +16,8 @@ CReservedArea::CReservedArea(double top, double right, double bottom, double lef
 }
 
 CReservedArea::CReservedArea(const CBox& parent, const CBox& child) {
-    ASSERT(!parent.empty() && !child.empty());
+    if (parent.empty() || child.empty())
+        return; // empty reserved area
 
     ASSERT(parent.containsPoint(child.pos() + Vector2D{0.0001, 0.0001}));
     ASSERT(parent.containsPoint(child.pos() + child.size() - Vector2D{0.0001, 0.0001}));
diff --git a/tests/desktop/Reserved.cpp b/tests/desktop/Reserved.cpp
index 8fbb7172..b3942e32 100644
--- a/tests/desktop/Reserved.cpp
+++ b/tests/desktop/Reserved.cpp
@@ -35,4 +35,18 @@ TEST(Desktop, reservedArea) {
     EXPECT_EQ(b.top(), 30 - 10);
     EXPECT_EQ(b.right(), 1010 - 920);
     EXPECT_EQ(b.bottom(), 1010 - 930);
+
+    Desktop::CReservedArea c{CBox{}, CBox{20, 30, 900, 900}};
+
+    EXPECT_EQ(c.left(), 0);
+    EXPECT_EQ(c.top(), 0);
+    EXPECT_EQ(c.right(), 0);
+    EXPECT_EQ(c.bottom(), 0);
+
+    Desktop::CReservedArea d{CBox{20, 30, 900, 900}, CBox{}};
+
+    EXPECT_EQ(d.left(), 0);
+    EXPECT_EQ(d.top(), 0);
+    EXPECT_EQ(d.right(), 0);
+    EXPECT_EQ(d.bottom(), 0);
 }
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