Rename fpdfsdk/fpdf* files to be consistent

This CL makes the fpdfsdk/fpdf* files to be consistently prefixed with
fpdf_ instead of randomly dropping the _.

Change-Id: I23e3c8a0831b56bcd17c788d9fe874b2ab8b24fc
Reviewed-on: https://pdfium-review.googlesource.com/29390
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>

1 files changed, 605 insertions, 0 deletions

diff --git a/fpdfsdk/fpdf_view_embeddertest.cpp b/fpdfsdk/fpdf_view_embeddertest.cpp
new file mode 100644
index 0000000000..0bfa1a30b2
--- /dev/null
+++ b/fpdfsdk/fpdf_view_embeddertest.cpp
@@ -0,0 +1,605 @@
+// Copyright 2015 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 <cmath>
+#include <limits>
+#include <memory>
+#include <string>
+
+#include "fpdfsdk/fpdf_view_c_api_test.h"
+#include "public/fpdfview.h"
+#include "testing/embedder_test.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/utils/path_service.h"
+
+namespace {
+
+class MockDownloadHints : public FX_DOWNLOADHINTS {
+ public:
+  static void SAddSegment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {
+  }
+
+  MockDownloadHints() {
+    FX_DOWNLOADHINTS::version = 1;
+    FX_DOWNLOADHINTS::AddSegment = SAddSegment;
+  }
+
+  ~MockDownloadHints() {}
+};
+
+}  // namespace
+
+TEST(fpdf, CApiTest) {
+  EXPECT_TRUE(CheckPDFiumCApi());
+}
+
+class FPDFViewEmbeddertest : public EmbedderTest {
+ protected:
+  void TestRenderPageBitmapWithMatrix(FPDF_PAGE page,
+                                      const int bitmap_width,
+                                      const int bitmap_height,
+                                      const FS_MATRIX& matrix,
+                                      const FS_RECTF& rect,
+                                      const char* expected_md5);
+};
+
+TEST_F(FPDFViewEmbeddertest, Document) {
+  EXPECT_TRUE(OpenDocument("about_blank.pdf"));
+  EXPECT_EQ(1, GetPageCount());
+  EXPECT_EQ(0, GetFirstPageNum());
+
+  int version;
+  EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
+  EXPECT_EQ(14, version);
+
+  EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocPermissions(document()));
+  EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
+}
+
+TEST_F(FPDFViewEmbeddertest, LoadNonexistentDocument) {
+  FPDF_DOCUMENT doc = FPDF_LoadDocument("nonexistent_document.pdf", "");
+  ASSERT_FALSE(doc);
+  EXPECT_EQ(static_cast<int>(FPDF_GetLastError()), FPDF_ERR_FILE);
+}
+
+// See bug 465.
+TEST_F(FPDFViewEmbeddertest, EmptyDocument) {
+  EXPECT_TRUE(CreateEmptyDocument());
+
+  {
+    int version = 42;
+    EXPECT_FALSE(FPDF_GetFileVersion(document(), &version));
+    EXPECT_EQ(0, version);
+  }
+
+  {
+#ifndef PDF_ENABLE_XFA
+    const unsigned long kExpected = 0;
+#else
+    const unsigned long kExpected = static_cast<uint32_t>(-1);
+#endif
+    EXPECT_EQ(kExpected, FPDF_GetDocPermissions(document()));
+  }
+
+  EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
+
+  EXPECT_EQ(0, FPDF_GetPageCount(document()));
+
+  EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
+  EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
+  EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
+
+  char buf[100];
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
+
+  EXPECT_EQ(0u, FPDF_CountNamedDests(document()));
+}
+
+TEST_F(FPDFViewEmbeddertest, LinearizedDocument) {
+  EXPECT_TRUE(OpenDocumentLinearized("feature_linearized_loading.pdf"));
+  int version;
+  EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
+  EXPECT_EQ(16, version);
+}
+
+TEST_F(FPDFViewEmbeddertest, Page) {
+  EXPECT_TRUE(OpenDocument("about_blank.pdf"));
+  FPDF_PAGE page = LoadPage(0);
+  EXPECT_NE(nullptr, page);
+
+  EXPECT_EQ(612.0, FPDF_GetPageWidth(page));
+  EXPECT_EQ(792.0, FPDF_GetPageHeight(page));
+
+  FS_RECTF rect;
+  EXPECT_TRUE(FPDF_GetPageBoundingBox(page, &rect));
+  EXPECT_EQ(0.0, rect.left);
+  EXPECT_EQ(0.0, rect.bottom);
+  EXPECT_EQ(612.0, rect.right);
+  EXPECT_EQ(792.0, rect.top);
+
+  UnloadPage(page);
+  EXPECT_EQ(nullptr, LoadPage(1));
+}
+
+TEST_F(FPDFViewEmbeddertest, ViewerRefDummy) {
+  EXPECT_TRUE(OpenDocument("about_blank.pdf"));
+  EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
+  EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
+  EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
+
+  char buf[100];
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
+}
+
+TEST_F(FPDFViewEmbeddertest, ViewerRef) {
+  EXPECT_TRUE(OpenDocument("viewer_ref.pdf"));
+  EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
+  EXPECT_EQ(5, FPDF_VIEWERREF_GetNumCopies(document()));
+  EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
+
+  // Test some corner cases.
+  char buf[100];
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "", buf, sizeof(buf)));
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
+  EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
+
+  // Make sure |buf| does not get written into when it appears to be too small.
+  // NOLINTNEXTLINE(runtime/printf)
+  strcpy(buf, "ABCD");
+  EXPECT_EQ(4U, FPDF_VIEWERREF_GetName(document(), "Foo", buf, 1));
+  EXPECT_STREQ("ABCD", buf);
+
+  // Note "Foo" is a different key from "foo".
+  EXPECT_EQ(4U,
+            FPDF_VIEWERREF_GetName(document(), "Foo", nullptr, sizeof(buf)));
+  ASSERT_EQ(4U, FPDF_VIEWERREF_GetName(document(), "Foo", buf, sizeof(buf)));
+  EXPECT_STREQ("foo", buf);
+
+  // Try to retrieve a boolean and an integer.
+  EXPECT_EQ(
+      0U, FPDF_VIEWERREF_GetName(document(), "HideToolbar", buf, sizeof(buf)));
+  EXPECT_EQ(0U,
+            FPDF_VIEWERREF_GetName(document(), "NumCopies", buf, sizeof(buf)));
+
+  // Try more valid cases.
+  ASSERT_EQ(4U,
+            FPDF_VIEWERREF_GetName(document(), "Direction", buf, sizeof(buf)));
+  EXPECT_STREQ("R2L", buf);
+  ASSERT_EQ(8U,
+            FPDF_VIEWERREF_GetName(document(), "ViewArea", buf, sizeof(buf)));
+  EXPECT_STREQ("CropBox", buf);
+}
+
+TEST_F(FPDFViewEmbeddertest, NamedDests) {
+  EXPECT_TRUE(OpenDocument("named_dests.pdf"));
+  long buffer_size;
+  char fixed_buffer[512];
+  FPDF_DEST dest;
+
+  // Query the size of the first item.
+  buffer_size = 2000000;  // Absurdly large, check not used for this case.
+  dest = FPDF_GetNamedDest(document(), 0, nullptr, &buffer_size);
+  EXPECT_NE(nullptr, dest);
+  EXPECT_EQ(12, buffer_size);
+
+  // Try to retrieve the first item with too small a buffer.
+  buffer_size = 10;
+  dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
+  EXPECT_NE(nullptr, dest);
+  EXPECT_EQ(-1, buffer_size);
+
+  // Try to retrieve the first item with correctly sized buffer. Item is
+  // taken from Dests NameTree in named_dests.pdf.
+  buffer_size = 12;
+  dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
+  EXPECT_NE(nullptr, dest);
+  EXPECT_EQ(12, buffer_size);
+  EXPECT_EQ(std::string("F\0i\0r\0s\0t\0\0\0", 12),
+            std::string(fixed_buffer, buffer_size));
+
+  // Try to retrieve the second item with ample buffer. Item is taken
+  // from Dests NameTree but has a sub-dictionary in named_dests.pdf.
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), 1, fixed_buffer, &buffer_size);
+  EXPECT_NE(nullptr, dest);
+  EXPECT_EQ(10, buffer_size);
+  EXPECT_EQ(std::string("N\0e\0x\0t\0\0\0", 10),
+            std::string(fixed_buffer, buffer_size));
+
+  // Try to retrieve third item with ample buffer. Item is taken
+  // from Dests NameTree but has a bad sub-dictionary in named_dests.pdf.
+  // in named_dests.pdf).
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), 2, fixed_buffer, &buffer_size);
+  EXPECT_EQ(nullptr, dest);
+  EXPECT_EQ(sizeof(fixed_buffer),
+            static_cast<size_t>(buffer_size));  // unmodified.
+
+  // Try to retrieve the forth item with ample buffer. Item is taken
+  // from Dests NameTree but has a vale of the wrong type in named_dests.pdf.
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), 3, fixed_buffer, &buffer_size);
+  EXPECT_EQ(nullptr, dest);
+  EXPECT_EQ(sizeof(fixed_buffer),
+            static_cast<size_t>(buffer_size));  // unmodified.
+
+  // Try to retrieve fifth item with ample buffer. Item taken from the
+  // old-style Dests dictionary object in named_dests.pdf.
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), 4, fixed_buffer, &buffer_size);
+  EXPECT_NE(nullptr, dest);
+  EXPECT_EQ(30, buffer_size);
+  EXPECT_EQ(std::string("F\0i\0r\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 30),
+            std::string(fixed_buffer, buffer_size));
+
+  // Try to retrieve sixth item with ample buffer. Item istaken from the
+  // old-style Dests dictionary object but has a sub-dictionary in
+  // named_dests.pdf.
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), 5, fixed_buffer, &buffer_size);
+  EXPECT_NE(nullptr, dest);
+  EXPECT_EQ(28, buffer_size);
+  EXPECT_EQ(std::string("L\0a\0s\0t\0A\0l\0t\0e\0r\0n\0a\0t\0e\0\0\0", 28),
+            std::string(fixed_buffer, buffer_size));
+
+  // Try to retrieve non-existent item with ample buffer.
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), 6, fixed_buffer, &buffer_size);
+  EXPECT_EQ(nullptr, dest);
+  EXPECT_EQ(sizeof(fixed_buffer),
+            static_cast<size_t>(buffer_size));  // unmodified.
+
+  // Try to underflow/overflow the integer index.
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::max(),
+                           fixed_buffer, &buffer_size);
+  EXPECT_EQ(nullptr, dest);
+  EXPECT_EQ(sizeof(fixed_buffer),
+            static_cast<size_t>(buffer_size));  // unmodified.
+
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::min(),
+                           fixed_buffer, &buffer_size);
+  EXPECT_EQ(nullptr, dest);
+  EXPECT_EQ(sizeof(fixed_buffer),
+            static_cast<size_t>(buffer_size));  // unmodified.
+
+  buffer_size = sizeof(fixed_buffer);
+  dest = FPDF_GetNamedDest(document(), -1, fixed_buffer, &buffer_size);
+  EXPECT_EQ(nullptr, dest);
+  EXPECT_EQ(sizeof(fixed_buffer),
+            static_cast<size_t>(buffer_size));  // unmodified.
+}
+
+TEST_F(FPDFViewEmbeddertest, NamedDestsByName) {
+  EXPECT_TRUE(OpenDocument("named_dests.pdf"));
+
+  // Null pointer returns nullptr.
+  FPDF_DEST dest = FPDF_GetNamedDestByName(document(), nullptr);
+  EXPECT_EQ(nullptr, dest);
+
+  // Empty string returns nullptr.
+  dest = FPDF_GetNamedDestByName(document(), "");
+  EXPECT_EQ(nullptr, dest);
+
+  // Item from Dests NameTree.
+  dest = FPDF_GetNamedDestByName(document(), "First");
+  EXPECT_NE(nullptr, dest);
+
+  long ignore_len = 0;
+  FPDF_DEST dest_by_index =
+      FPDF_GetNamedDest(document(), 0, nullptr, &ignore_len);
+  EXPECT_EQ(dest_by_index, dest);
+
+  // Item from Dests dictionary.
+  dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
+  EXPECT_NE(nullptr, dest);
+
+  ignore_len = 0;
+  dest_by_index = FPDF_GetNamedDest(document(), 4, nullptr, &ignore_len);
+  EXPECT_EQ(dest_by_index, dest);
+
+  // Bad value type for item from Dests NameTree array.
+  dest = FPDF_GetNamedDestByName(document(), "WrongType");
+  EXPECT_EQ(nullptr, dest);
+
+  // No such destination in either Dest NameTree or dictionary.
+  dest = FPDF_GetNamedDestByName(document(), "Bogus");
+  EXPECT_EQ(nullptr, dest);
+}
+
+// The following tests pass if the document opens without crashing.
+TEST_F(FPDFViewEmbeddertest, Crasher_113) {
+  EXPECT_TRUE(OpenDocument("bug_113.pdf"));
+}
+
+TEST_F(FPDFViewEmbeddertest, Crasher_451830) {
+  // Document is damaged and can't be opened.
+  EXPECT_FALSE(OpenDocument("bug_451830.pdf"));
+}
+
+TEST_F(FPDFViewEmbeddertest, Crasher_452455) {
+  EXPECT_TRUE(OpenDocument("bug_452455.pdf"));
+  FPDF_PAGE page = LoadPage(0);
+  EXPECT_NE(nullptr, page);
+  UnloadPage(page);
+}
+
+TEST_F(FPDFViewEmbeddertest, Crasher_454695) {
+  // Document is damaged and can't be opened.
+  EXPECT_FALSE(OpenDocument("bug_454695.pdf"));
+}
+
+TEST_F(FPDFViewEmbeddertest, Crasher_572871) {
+  EXPECT_TRUE(OpenDocument("bug_572871.pdf"));
+}
+
+// It tests that document can still be loaded even the trailer has no 'Size'
+// field if other information is right.
+TEST_F(FPDFViewEmbeddertest, Failed_213) {
+  EXPECT_TRUE(OpenDocument("bug_213.pdf"));
+}
+
+// The following tests pass if the document opens without infinite looping.
+TEST_F(FPDFViewEmbeddertest, Hang_298) {
+  EXPECT_FALSE(OpenDocument("bug_298.pdf"));
+}
+
+TEST_F(FPDFViewEmbeddertest, Crasher_773229) {
+  EXPECT_TRUE(OpenDocument("bug_773229.pdf"));
+}
+
+// Test if the document opens without infinite looping.
+// Previously this test will hang in a loop inside LoadAllCrossRefV4. After
+// the fix, LoadAllCrossRefV4 will return false after detecting a cross
+// reference loop. Cross references will be rebuilt successfully.
+TEST_F(FPDFViewEmbeddertest, CrossRefV4Loop) {
+  EXPECT_TRUE(OpenDocument("bug_xrefv4_loop.pdf"));
+  MockDownloadHints hints;
+
+  // Make sure calling FPDFAvail_IsDocAvail() on this file does not infinite
+  // loop either. See bug 875.
+  int ret = PDF_DATA_NOTAVAIL;
+  while (ret == PDF_DATA_NOTAVAIL)
+    ret = FPDFAvail_IsDocAvail(avail_, &hints);
+  EXPECT_EQ(PDF_DATA_AVAIL, ret);
+}
+
+// The test should pass when circular references to ParseIndirectObject will not
+// cause infinite loop.
+TEST_F(FPDFViewEmbeddertest, Hang_343) {
+  EXPECT_FALSE(OpenDocument("bug_343.pdf"));
+}
+
+// The test should pass when the absence of 'Contents' field in a signature
+// dictionary will not cause an infinite loop in CPDF_SyntaxParser::GetObject().
+TEST_F(FPDFViewEmbeddertest, Hang_344) {
+  EXPECT_FALSE(OpenDocument("bug_344.pdf"));
+}
+
+// The test should pass when there is no infinite recursion in
+// CPDF_SyntaxParser::GetString().
+TEST_F(FPDFViewEmbeddertest, Hang_355) {
+  EXPECT_FALSE(OpenDocument("bug_355.pdf"));
+}
+// The test should pass even when the file has circular references to pages.
+TEST_F(FPDFViewEmbeddertest, Hang_360) {
+  EXPECT_FALSE(OpenDocument("bug_360.pdf"));
+}
+
+void FPDFViewEmbeddertest::TestRenderPageBitmapWithMatrix(
+    FPDF_PAGE page,
+    const int bitmap_width,
+    const int bitmap_height,
+    const FS_MATRIX& matrix,
+    const FS_RECTF& rect,
+    const char* expected_md5) {
+  FPDF_BITMAP bitmap = FPDFBitmap_Create(bitmap_width, bitmap_height, 0);
+  FPDFBitmap_FillRect(bitmap, 0, 0, bitmap_width, bitmap_height, 0xFFFFFFFF);
+  FPDF_RenderPageBitmapWithMatrix(bitmap, page, &matrix, &rect, 0);
+  CompareBitmap(bitmap, bitmap_width, bitmap_height, expected_md5);
+  FPDFBitmap_Destroy(bitmap);
+}
+
+TEST_F(FPDFViewEmbeddertest, FPDF_RenderPageBitmapWithMatrix) {
+  const char kOriginalMD5[] = "0a90de37f52127619c3dfb642b5fa2fe";
+  const char kClippedMD5[] = "a84cab93c102b9b9290fba3047ba702c";
+  const char kTopLeftQuarterMD5[] = "f11a11137c8834389e31cf555a4a6979";
+  const char kHoriStretchedMD5[] = "48ef9205941ed19691ccfa00d717187e";
+  const char kRotated90ClockwiseMD5[] = "d8da2c7bf77521550d0f2752b9cf3482";
+  const char kRotated180ClockwiseMD5[] = "0113386bb0bd45125bacc6dee78bfe78";
+  const char kRotated270ClockwiseMD5[] = "a287e0f74ce203699cda89f9cc97a240";
+  const char kMirrorHoriMD5[] = "6e8d7a6fde39d8e720fb9e620102918c";
+  const char kMirrorVertMD5[] = "8f3a555ef9c0d5031831ae3715273707";
+  const char kLargerTopLeftQuarterMD5[] = "172a2f4adafbadbe98017b1c025b9e27";
+  const char kLargerMD5[] = "c806145641c3e6fc4e022c7065343749";
+  const char kLargerClippedMD5[] = "091d3b1c7933c8f6945eb2cb41e588e9";
+  const char kLargerRotatedMD5[] = "115f13353ebfc82ddb392d1f0059eb12";
+  const char kLargerRotatedLandscapeMD5[] = "c901239d17d84ac84cb6f2124da71b0d";
+  const char kLargerRotatedDiagonalMD5[] = "3d62417468bdaff0eb14391a0c30a3b1";
+  const char kTileMD5[] = "0a190003c97220bf8877684c8d7e89cf";
+
+  EXPECT_TRUE(OpenDocument("rectangles.pdf"));
+  FPDF_PAGE page = LoadPage(0);
+  ASSERT_TRUE(page);
+  const int page_width = static_cast<int>(FPDF_GetPageWidth(page));
+  const int page_height = static_cast<int>(FPDF_GetPageHeight(page));
+  EXPECT_EQ(200, page_width);
+  EXPECT_EQ(300, page_height);
+
+  std::unique_ptr<void, FPDFBitmapDeleter> bitmap = RenderLoadedPage(page);
+  CompareBitmap(bitmap.get(), page_width, page_height, kOriginalMD5);
+
+  FS_RECTF page_rect{0, 0, page_width, page_height};
+
+  // Try rendering with an identity matrix. The output should be the same as
+  // the RenderLoadedPage() output.
+  FS_MATRIX identity_matrix{1, 0, 0, 1, 0, 0};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height, identity_matrix,
+                                 page_rect, kOriginalMD5);
+
+  // Again render with an identity matrix but with a smaller clipping rect.
+  FS_RECTF middle_of_page_rect{page_width / 4, page_height / 4,
+                               page_width * 3 / 4, page_height * 3 / 4};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height, identity_matrix,
+                                 middle_of_page_rect, kClippedMD5);
+
+  // Now render again with the image scaled smaller.
+  FS_MATRIX half_scale_matrix{0.5, 0, 0, 0.5, 0, 0};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 half_scale_matrix, page_rect,
+                                 kTopLeftQuarterMD5);
+
+  // Now render again with the image scaled larger horizontally (the right half
+  // will be clipped).
+  FS_MATRIX stretch_x_matrix{2, 0, 0, 1, 0, 0};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 stretch_x_matrix, page_rect,
+                                 kHoriStretchedMD5);
+
+  // Try a 90 degree rotation clockwise but with the same bitmap size, so part
+  // will be clipped.
+  FS_MATRIX rotate_90_matrix{0, 1, -1, 0, page_width, 0};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 rotate_90_matrix, page_rect,
+                                 kRotated90ClockwiseMD5);
+
+  // 180 degree rotation clockwise.
+  FS_MATRIX rotate_180_matrix{-1, 0, 0, -1, page_width, page_height};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 rotate_180_matrix, page_rect,
+                                 kRotated180ClockwiseMD5);
+
+  // 270 degree rotation clockwise.
+  FS_MATRIX rotate_270_matrix{0, -1, 1, 0, 0, page_width};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 rotate_270_matrix, page_rect,
+                                 kRotated270ClockwiseMD5);
+
+  // Mirror horizontally.
+  FS_MATRIX mirror_hori_matrix{-1, 0, 0, 1, page_width, 0};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 mirror_hori_matrix, page_rect, kMirrorHoriMD5);
+
+  // Mirror vertically.
+  FS_MATRIX mirror_vert_matrix{1, 0, 0, -1, 0, page_height};
+  TestRenderPageBitmapWithMatrix(page, page_width, page_height,
+                                 mirror_vert_matrix, page_rect, kMirrorVertMD5);
+
+  // Tests rendering to a larger bitmap
+  const int bitmap_width = page_width * 2;
+  const int bitmap_height = page_height * 2;
+
+  // Render using an identity matrix and the whole bitmap area as clipping rect.
+  FS_RECTF bitmap_rect{0, 0, bitmap_width, bitmap_height};
+  TestRenderPageBitmapWithMatrix(page, bitmap_width, bitmap_height,
+                                 identity_matrix, bitmap_rect,
+                                 kLargerTopLeftQuarterMD5);
+
+  // Render using a scaling matrix to fill the larger bitmap.
+  FS_MATRIX double_scale_matrix{2, 0, 0, 2, 0, 0};
+  TestRenderPageBitmapWithMatrix(page, bitmap_width, bitmap_height,
+                                 double_scale_matrix, bitmap_rect, kLargerMD5);
+
+  // Render the larger image again but with clipping.
+  FS_RECTF middle_of_bitmap_rect{bitmap_width / 4, bitmap_height / 4,
+                                 bitmap_width * 3 / 4, bitmap_height * 3 / 4};
+  TestRenderPageBitmapWithMatrix(page, bitmap_width, bitmap_height,
+                                 double_scale_matrix, middle_of_bitmap_rect,
+                                 kLargerClippedMD5);
+
+  // On the larger bitmap, try a 90 degree rotation but with the same bitmap
+  // size, so part will be clipped.
+  FS_MATRIX rotate_90_scale_2_matrix{0, 2, -2, 0, bitmap_width, 0};
+  TestRenderPageBitmapWithMatrix(page, bitmap_width, bitmap_height,
+                                 rotate_90_scale_2_matrix, bitmap_rect,
+                                 kLargerRotatedMD5);
+
+  // On the larger bitmap, apply 90 degree rotation to a bitmap with the
+  // appropriate dimensions.
+  const int landscape_bitmap_width = bitmap_height;
+  const int landscape_bitmap_height = bitmap_width;
+  FS_RECTF landscape_bitmap_rect{0, 0, landscape_bitmap_width,
+                                 landscape_bitmap_height};
+  FS_MATRIX landscape_rotate_90_scale_2_matrix{
+      0, 2, -2, 0, landscape_bitmap_width, 0};
+  TestRenderPageBitmapWithMatrix(
+      page, landscape_bitmap_width, landscape_bitmap_height,
+      landscape_rotate_90_scale_2_matrix, landscape_bitmap_rect,
+      kLargerRotatedLandscapeMD5);
+
+  // On the larger bitmap, apply 45 degree rotation to a bitmap with the
+  // appropriate dimensions.
+  const float sqrt2 = 1.41421356f;
+  const int diagonal_bitmap_size = ceil((bitmap_width + bitmap_height) / sqrt2);
+  FS_RECTF diagonal_bitmap_rect{0, 0, diagonal_bitmap_size,
+                                diagonal_bitmap_size};
+  FS_MATRIX rotate_45_scale_2_matrix{
+      sqrt2, sqrt2, -sqrt2, sqrt2, bitmap_height / sqrt2, 0};
+  TestRenderPageBitmapWithMatrix(page, diagonal_bitmap_size,
+                                 diagonal_bitmap_size, rotate_45_scale_2_matrix,
+                                 diagonal_bitmap_rect,
+                                 kLargerRotatedDiagonalMD5);
+
+  // Render the (2, 1) tile of the page (third column, second row) when the page
+  // is divided in 50x50 pixel tiles. The tile is scaled by a factor of 7.
+  const float scale = 7.0;
+  const int tile_size = 50;
+  const int tile_x = 2;
+  const int tile_y = 1;
+  int tile_bitmap_size = scale * tile_size;
+  FS_RECTF tile_bitmap_rect{0, 0, tile_bitmap_size, tile_bitmap_size};
+  FS_MATRIX tile_2_1_matrix{scale,
+                            0,
+                            0,
+                            scale,
+                            -tile_x * tile_bitmap_size,
+                            -tile_y * tile_bitmap_size};
+  TestRenderPageBitmapWithMatrix(page, tile_bitmap_size, tile_bitmap_size,
+                                 tile_2_1_matrix, tile_bitmap_rect, kTileMD5);
+
+  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);
+}