From faa50c08b17b6f9afad5179a17a4a45ab79049c1 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 22 Jul 2026 13:50:09 +0200
Subject: [PATCH 1/2] refactor: Run clang-format on qt test_main.cpp

---
 src/qt/test/test_main.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/qt/test/test_main.cpp b/src/qt/test/test_main.cpp
index 5e91b0723ba..1a0f3c7b704 100644
--- a/src/qt/test/test_main.cpp
+++ b/src/qt/test/test_main.cpp
@@ -60,11 +60,11 @@ int main(int argc, char* argv[])
     // Prefer the "minimal" platform for the test instead of the normal default
     // platform ("xcb", "windows", or "cocoa") so tests can't unintentionally
     // interfere with any background GUIs and don't require extra resources.
-    #if defined(WIN32)
-        if (getenv("QT_QPA_PLATFORM") == nullptr) _putenv_s("QT_QPA_PLATFORM", "minimal");
-    #else
-        setenv("QT_QPA_PLATFORM", "minimal", 0 /* overwrite */);
-    #endif
+#if defined(WIN32)
+    if (getenv("QT_QPA_PLATFORM") == nullptr) _putenv_s("QT_QPA_PLATFORM", "minimal");
+#else
+    setenv("QT_QPA_PLATFORM", "minimal", 0 /* overwrite */);
+#endif
 
 
     QCoreApplication::setOrganizationName(QAPP_ORG_NAME);

From fa0c8337a8d42564880715a07b00925d3e95dab1 Mon Sep 17 00:00:00 2001
From: MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz>
Date: Wed, 22 Jul 2026 13:48:49 +0200
Subject: [PATCH 2/2] test: Nudge toward QT_STYLE_OVERRIDE=fusion on macOS

Using the Fusion style works around QTBUG-49686.

Otherwise, there could be a nullptr-deref under the QMacStyle.
---
 src/qt/test/test_main.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/qt/test/test_main.cpp b/src/qt/test/test_main.cpp
index 1a0f3c7b704..62e132e802a 100644
--- a/src/qt/test/test_main.cpp
+++ b/src/qt/test/test_main.cpp
@@ -66,6 +66,12 @@ int main(int argc, char* argv[])
     setenv("QT_QPA_PLATFORM", "minimal", 0 /* overwrite */);
 #endif
 
+#ifdef Q_OS_MACOS
+    // QMacStyle assumes a Cocoa platform window, which the minimal platform
+    // does not provide. In particular, painting a QGroupBox can make Qt call
+    // addSubview: on an invalid native object (QTBUG-49686).
+    setenv("QT_STYLE_OVERRIDE", "fusion", 0 /* overwrite */);
+#endif
 
     QCoreApplication::setOrganizationName(QAPP_ORG_NAME);
     QCoreApplication::setApplicationName(QAPP_APP_NAME_DEFAULT "-test");