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-rw-r--r--fpdfsdk/fpdf_doc_embeddertest.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/fpdfsdk/fpdf_doc_embeddertest.cpp b/fpdfsdk/fpdf_doc_embeddertest.cpp
index dc367d8e26..d90cc370e3 100644
--- a/fpdfsdk/fpdf_doc_embeddertest.cpp
+++ b/fpdfsdk/fpdf_doc_embeddertest.cpp
@@ -165,11 +165,18 @@ TEST_F(FPDFDocEmbeddertest, BUG_821454) {
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
+ // Cover some NULL arg cases while we're at it.
+ EXPECT_FALSE(FPDFLink_GetLinkAtPoint(nullptr, 150, 360));
+ EXPECT_EQ(-1, FPDFLink_GetLinkZOrderAtPoint(nullptr, 150, 360));
+
FPDF_LINK link1 = FPDFLink_GetLinkAtPoint(page, 150, 360);
ASSERT_TRUE(link1);
FPDF_LINK link2 = FPDFLink_GetLinkAtPoint(page, 150, 420);
ASSERT_TRUE(link2);
+ EXPECT_EQ(0, FPDFLink_GetLinkZOrderAtPoint(page, 150, 360));
+ EXPECT_EQ(1, FPDFLink_GetLinkZOrderAtPoint(page, 150, 420));
+
FPDF_DEST dest1 = FPDFLink_GetDest(document(), link1);
ASSERT_TRUE(dest1);
FPDF_DEST dest2 = FPDFLink_GetDest(document(), link2);