1 files changed, 15 insertions, 0 deletions
diff --git a/fpdfsdk/src/fpdfformfill_embeddertest.cpp b/fpdfsdk/src/fpdfformfill_embeddertest.cpp
index b4cc111a00..615ada99f9 100644
--- a/fpdfsdk/src/fpdfformfill_embeddertest.cpp
+++ b/fpdfsdk/src/fpdfformfill_embeddertest.cpp
@@ -6,6 +6,7 @@
 #include "../../public/fpdf_formfill.h"
 #include "../../testing/embedder_test.h"
 #include "../../testing/embedder_test_mock_delegate.h"
+#include "../../testing/embedder_test_timer_handling_delegate.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -19,6 +20,8 @@ TEST_F(FPDFFormFillEmbeddertest, FirstTest) {
   EmbedderTestMockDelegate mock;
   EXPECT_CALL(mock, Alert(_, _, _, _)).Times(0);
   EXPECT_CALL(mock, UnsupportedHandler(_)).Times(0);
+  EXPECT_CALL(mock, SetTimer(_, _)).Times(0);
+  EXPECT_CALL(mock, KillTimer(_)).Times(0);
   SetDelegate(&mock);
 
   EXPECT_TRUE(OpenDocument("testing/resources/hello_world.pdf"));
@@ -26,3 +29,15 @@ TEST_F(FPDFFormFillEmbeddertest, FirstTest) {
   EXPECT_NE(nullptr, page);
   UnloadPage(page);
 }
+
+TEST_F(FPDFFormFillEmbeddertest, BUG_487928) {
+  EmbedderTestTimerHandlingDelegate delegate;
+  SetDelegate(&delegate);
+
+  EXPECT_TRUE(OpenDocument("testing/resources/bug_487928.pdf"));
+  FPDF_PAGE page = LoadPage(0);
+  EXPECT_NE(nullptr, page);
+  DoOpenActions();
+  delegate.AdvanceTime(5000);
+  UnloadPage(page);
+}