2 files changed, 42 insertions, 0 deletions
diff --git a/fpdfsdk/fpdfview.cpp b/fpdfsdk/fpdfview.cpp
index fea1aba8de..bda9111b95 100644
--- a/fpdfsdk/fpdfview.cpp
+++ b/fpdfsdk/fpdfview.cpp
@@ -470,6 +470,7 @@ DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path,
     ProcessParseError(error);
     return nullptr;
   }
+  CheckUnSupportError(pDocument.get(), error);
   return FPDFDocumentFromCPDFDocument(pDocument.release());
 }
 
diff --git a/fpdfsdk/fpdfview_embeddertest.cpp b/fpdfsdk/fpdfview_embeddertest.cpp
index 1d94b72553..f36edbc4d6 100644
--- a/fpdfsdk/fpdfview_embeddertest.cpp
+++ b/fpdfsdk/fpdfview_embeddertest.cpp
@@ -9,6 +9,7 @@
 #include "public/fpdfview.h"
 #include "testing/embedder_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "testing/utils/path_service.h"
 
 TEST(fpdf, CApiTest) {
   EXPECT_TRUE(CheckPDFiumCApi());
@@ -378,3 +379,43 @@ TEST_F(FPDFViewEmbeddertest, FPDF_RenderPageBitmapWithMatrix) {
 
   UnloadPage(page);
 }
+
+class UnSupRecordDelegate : public EmbedderTest::Delegate {
+ public:
+  UnSupRecordDelegate() : type_(-1) {}
+  ~UnSupRecordDelegate() override {}
+
+  void UnsupportedHandler(int type) override { type_ = type; }
+
+  int type_;
+};
+
+TEST_F(FPDFViewEmbeddertest, UnSupportedOperations_NotFound) {
+  UnSupRecordDelegate delegate;
+  SetDelegate(&delegate);
+  ASSERT_TRUE(OpenDocument("hello_world.pdf"));
+  EXPECT_EQ(delegate.type_, -1);
+  SetDelegate(nullptr);
+}
+
+TEST_F(FPDFViewEmbeddertest, UnSupportedOperations_LoadCustomDocument) {
+  UnSupRecordDelegate delegate;
+  SetDelegate(&delegate);
+  ASSERT_TRUE(OpenDocument("unsupported_feature.pdf"));
+  EXPECT_EQ(FPDF_UNSP_DOC_PORTABLECOLLECTION, delegate.type_);
+  SetDelegate(nullptr);
+}
+
+TEST_F(FPDFViewEmbeddertest, UnSupportedOperations_LoadDocument) {
+  std::string file_path;
+  ASSERT_TRUE(
+      PathService::GetTestFilePath("unsupported_feature.pdf", &file_path));
+
+  UnSupRecordDelegate delegate;
+  SetDelegate(&delegate);
+  FPDF_DOCUMENT doc = FPDF_LoadDocument(file_path.c_str(), "");
+  EXPECT_TRUE(doc != nullptr);
+  EXPECT_EQ(FPDF_UNSP_DOC_PORTABLECOLLECTION, delegate.type_);
+  FPDF_CloseDocument(doc);
+  SetDelegate(nullptr);
+}