Add test for apng

test/CMakeLists.txt

@@ -1,6 +1,6 @@
-find_package(Qt5 COMPONENTS Core REQUIRED)
+find_package(Qt5 COMPONENTS Core Gui REQUIRED)
 find_package(Catch2 REQUIRED)
 
-add_executable(test test_aopacket.cpp test_caseloading.cpp ../include/aopacket.h ../src/aopacket.cpp)
+add_executable(test test_aopacket.cpp test_caseloading.cpp test_apng.cpp ../include/aopacket.h ../src/aopacket.cpp)
 target_include_directories(test PRIVATE ../include)
-target_link_libraries(test PRIVATE Qt5::Core Catch2::Catch2)
+target_link_libraries(test PRIVATE Qt5::Core Qt5::Gui Catch2::Catch2)

test/test_apng.cpp

@@ -0,0 +1,15 @@
+#include <catch2/catch.hpp>
+
+#include <QPluginLoader>
+#include <QImageReader>
+#include <QCoreApplication>
+
+TEST_CASE("Support APNG Plugin (place lib same path)", "[apng]") {
+  QCoreApplication::addLibraryPath(".");
+  QPluginLoader apngPlugin("qapng");
+  REQUIRE(apngPlugin.load());
+
+  // Fails for some reason on windows and linux don't know about osx
+  // apng animation seems to be broken linux qt5-5.15.2
+  REQUIRE(QImageReader::supportedImageFormats().contains("APNG"));
+}