Merge to XFA: Add FPDFDoc_GetPageMode() embeddertest

Original Review URL: https://codereview.chromium.org/1557173002 .
(cherry picked from commit 14fdb1d40741912e430db4318a9033764429659f)

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1556983003 .

5 files changed, 150 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index db57a29476..1703d7db40 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1497,6 +1497,7 @@ test("pdfium_embeddertests") {
     "core/src/fpdfapi/fpdf_render/fpdf_render_pattern_embeddertest.cpp",
     "fpdfsdk/src/fpdf_dataavail_embeddertest.cpp",
     "fpdfsdk/src/fpdfdoc_embeddertest.cpp",
+    "fpdfsdk/src/fpdfext_embeddertest.cpp",
     "fpdfsdk/src/fpdfformfill_embeddertest.cpp",
     "fpdfsdk/src/fpdftext_embeddertest.cpp",
     "fpdfsdk/src/fpdfview_c_api_test.c",
diff --git a/fpdfsdk/src/fpdfext_embeddertest.cpp b/fpdfsdk/src/fpdfext_embeddertest.cpp
new file mode 100644
index 0000000000..7c28c29a8e
--- /dev/null
+++ b/fpdfsdk/src/fpdfext_embeddertest.cpp
@@ -0,0 +1,24 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "public/fpdf_ext.h"
+#include "public/fpdfview.h"
+#include "testing/embedder_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class FPDFExtEmbeddertest : public EmbedderTest {};
+
+TEST_F(FPDFExtEmbeddertest, PageModeUnknown) {
+  EXPECT_EQ(PAGEMODE_UNKNOWN, FPDFDoc_GetPageMode(nullptr));
+}
+
+TEST_F(FPDFExtEmbeddertest, PageModeUseNone) {
+  EXPECT_TRUE(OpenDocument("hello_world.pdf"));
+  EXPECT_EQ(PAGEMODE_USENONE, FPDFDoc_GetPageMode(document()));
+}
+
+TEST_F(FPDFExtEmbeddertest, PageModeUseOutlines) {
+  EXPECT_TRUE(OpenDocument("use_outlines.pdf"));
+  EXPECT_EQ(PAGEMODE_USEOUTLINES, FPDFDoc_GetPageMode(document()));
+}
diff --git a/pdfium.gyp b/pdfium.gyp
index 0b63867a79..782cd68967 100644
--- a/pdfium.gyp
+++ b/pdfium.gyp
@@ -798,6 +798,7 @@
         'core/src/fpdfapi/fpdf_render/fpdf_render_pattern_embeddertest.cpp',
         'fpdfsdk/src/fpdf_dataavail_embeddertest.cpp',
         'fpdfsdk/src/fpdfdoc_embeddertest.cpp',
+        'fpdfsdk/src/fpdfext_embeddertest.cpp',
         'fpdfsdk/src/fpdfformfill_embeddertest.cpp',
         'fpdfsdk/src/fpdftext_embeddertest.cpp',
         'fpdfsdk/src/fpdfview_c_api_test.c',
diff --git a/testing/resources/use_outlines.in b/testing/resources/use_outlines.in
new file mode 100644
index 0000000000..b344143f64
--- /dev/null
+++ b/testing/resources/use_outlines.in
@@ -0,0 +1,57 @@
+{{header}}
+{{object 1 0}} <<
+  /Type /Catalog
+  /Pages 2 0 R
+  /PageMode /UseOutlines
+>>
+{{object 2 0}} <<
+  /Type /Pages
+  /MediaBox [ 0 0 200 200 ]
+  /Count 1
+  /Kids [ 3 0 R ]
+>>
+endobj
+{{object 3 0}} <<
+  /Type /Page
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 4 0 R
+      /F2 5 0 R
+    >>
+  >>
+  /Contents 6 0 R
+>>
+endobj
+{{object 4 0}} <<
+  /Type /Font
+  /Subtype /Type1
+  /BaseFont /Times-Roman
+>>
+endobj
+{{object 5 0}} <<
+  /Type /Font
+  /Subtype /Type1
+  /BaseFont /Helvetica
+>>
+endobj
+{{object 6 0}} <<
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(Hello, world!) Tj
+0 50 Td
+/F2 16 Tf
+(Goodbye, world!) Tj
+ET
+endstream
+endobj
+{{xref}}
+trailer <<
+  /Size 6
+  /Root 1 0 R
+>>
+{{startxref}}
+%%EOF
diff --git a/testing/resources/use_outlines.pdf b/testing/resources/use_outlines.pdf
new file mode 100644
index 0000000000..371ff4083c
--- /dev/null
+++ b/testing/resources/use_outlines.pdf
@@ -0,0 +1,67 @@
+%PDF-1.7
+% ò¤ô
+1 0 obj <<
+  /Type /Catalog
+  /Pages 2 0 R
+  /PageMode /UseOutlines
+>>
+2 0 obj <<
+  /Type /Pages
+  /MediaBox [ 0 0 200 200 ]
+  /Count 1
+  /Kids [ 3 0 R ]
+>>
+endobj
+3 0 obj <<
+  /Type /Page
+  /Parent 2 0 R
+  /Resources <<
+    /Font <<
+      /F1 4 0 R
+      /F2 5 0 R
+    >>
+  >>
+  /Contents 6 0 R
+>>
+endobj
+4 0 obj <<
+  /Type /Font
+  /Subtype /Type1
+  /BaseFont /Times-Roman
+>>
+endobj
+5 0 obj <<
+  /Type /Font
+  /Subtype /Type1
+  /BaseFont /Helvetica
+>>
+endobj
+6 0 obj <<
+>>
+stream
+BT
+20 50 Td
+/F1 12 Tf
+(Hello, world!) Tj
+0 50 Td
+/F2 16 Tf
+(Goodbye, world!) Tj
+ET
+endstream
+endobj
+xref
+0 7
+0000000000 65535 f 
+0000000015 00000 n 
+0000000086 00000 n 
+0000000179 00000 n 
+0000000321 00000 n 
+0000000399 00000 n 
+0000000475 00000 n 
+trailer <<
+  /Size 6
+  /Root 1 0 R
+>>
+startxref
+596
+%%EOF