Merge to XFA: Cover FPDFBookmark_Find() with embedder tests.

Original Review URL: https://codereview.chromium.org/1559043006 .
(cherry picked from commit 5dac8047f02c937a5a3546a8cc5b352db2188d97)

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1553313002 .

1 files changed, 19 insertions, 0 deletions

diff --git a/fpdfsdk/src/fpdfdoc_embeddertest.cpp b/fpdfsdk/src/fpdfdoc_embeddertest.cpp
index 6435704cb2..38a366268c 100644
--- a/fpdfsdk/src/fpdfdoc_embeddertest.cpp
+++ b/fpdfsdk/src/fpdfdoc_embeddertest.cpp
@@ -99,3 +99,22 @@ TEST_F(FPDFDocEmbeddertest, Bookmarks) {
 
   EXPECT_EQ(nullptr, FPDFBookmark_GetNextSibling(document(), sibling));
 }
+
+TEST_F(FPDFDocEmbeddertest, FindBookmarks) {
+  // Open a file with two bookmarks, and extract the first.
+  EXPECT_TRUE(OpenDocument("bookmarks.pdf"));
+
+  unsigned short buf[128];
+  FPDF_BOOKMARK child = FPDFBookmark_GetFirstChild(document(), nullptr);
+  EXPECT_NE(nullptr, child);
+  EXPECT_EQ(34, FPDFBookmark_GetTitle(child, buf, sizeof(buf)));
+  EXPECT_EQ(CFX_WideString(L"A Good Beginning"),
+            CFX_WideString::FromUTF16LE(buf, 16));
+
+  // Find the same one again using the title.
+  EXPECT_EQ(child, FPDFBookmark_Find(document(), buf));
+
+  // Try to find one using a non-existent title.
+  buf[0] = 'X';
+  EXPECT_EQ(nullptr, FPDFBookmark_Find(document(), buf));
+}