Reland of MSE: Verify MediaLog events created by existing MP4 unit tests

media/formats/mp4/box_reader_unittest.cc

 // Copyright 2014 The Chromium 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 <string.h>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "media/base/mock_media_log.h"
 #include "media/formats/mp4/box_reader.h"
 #include "media/formats/mp4/rcheck.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using ::testing::HasSubstr;
+using ::testing::StrictMock;
+
 namespace media {
 namespace mp4 {
 
 static const uint8 kSkipBox[] = {
   // Top-level test box containing three children
   0x00, 0x00, 0x00, 0x40, 's', 'k', 'i', 'p',
   0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
   0xf9, 0x0a, 0x0b, 0x0c, 0xfd, 0x0e, 0x0f, 0x10,
   // Ordinary (8-byte header) child box
   0x00, 0x00, 0x00, 0x0c,  'p',  's',  's',  'h', 0xde, 0xad, 0xbe, 0xef,
@@ skipping 45 matching lines @@
   FourCC BoxType() const override { return FOURCC_SKIP; }
 
   SkipBox();
   ~SkipBox() override;
 };
 
 SkipBox::SkipBox() {}
 SkipBox::~SkipBox() {}
 
 class BoxReaderTest : public testing::Test {
+ public:
+  BoxReaderTest() : media_log_(new StrictMock<MockMediaLog>()) {}
+
  protected:
   std::vector<uint8> GetBuf() {
     return std::vector<uint8>(kSkipBox, kSkipBox + sizeof(kSkipBox));
   }
+
+  void TestTopLevelBox(const uint8* data, int size, uint32 fourCC) {
+    std::vector<uint8> buf(data, data + size);
+
+    bool err;
+    scoped_ptr<BoxReader> reader(
+        BoxReader::ReadTopLevelBox(&buf[0], buf.size(), media_log_, &err));
+
+    EXPECT_FALSE(err);
+    EXPECT_TRUE(reader);
+    EXPECT_EQ(fourCC, reader->type());
+    EXPECT_EQ(reader->size(), size);
+  }
+
+  scoped_refptr<StrictMock<MockMediaLog>> media_log_;
 };
 
 TEST_F(BoxReaderTest, ExpectedOperationTest) {
   std::vector<uint8> buf = GetBuf();
   bool err;
   scoped_ptr<BoxReader> reader(
-      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), new MediaLog(), &err));
+      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), media_log_, &err));
   EXPECT_FALSE(err);
   EXPECT_TRUE(reader.get());
 
   SkipBox box;
   EXPECT_TRUE(box.Parse(reader.get()));
   EXPECT_EQ(0x01, reader->version());
   EXPECT_EQ(0x020304u, reader->flags());
   EXPECT_EQ(0x05, box.a);
   EXPECT_EQ(0x06, box.b);
   EXPECT_EQ(0x0708, box.c);
   EXPECT_EQ(static_cast<int32>(0xf90a0b0c), box.d);
   EXPECT_EQ(static_cast<int32>(0xfd0e0f10), box.e);
 
   EXPECT_EQ(2u, box.kids.size());
   EXPECT_EQ(0xdeadbeef, box.kids[0].val);
   EXPECT_EQ(0xfacecafe, box.kids[1].val);
 
   // Accounting for the extra byte outside of the box above
   EXPECT_EQ(buf.size(), static_cast<uint64>(reader->size() + 1));
 }
 
 TEST_F(BoxReaderTest, OuterTooShortTest) {
   std::vector<uint8> buf = GetBuf();
   bool err;
 
   // Create a soft failure by truncating the outer box.
-  scoped_ptr<BoxReader> r(BoxReader::ReadTopLevelBox(&buf[0], buf.size() - 2,
-                                                     new MediaLog(), &err));
+  scoped_ptr<BoxReader> r(
+      BoxReader::ReadTopLevelBox(&buf[0], buf.size() - 2, media_log_, &err));
 
   EXPECT_FALSE(err);
   EXPECT_FALSE(r.get());
 }
 
 TEST_F(BoxReaderTest, InnerTooLongTest) {
   std::vector<uint8> buf = GetBuf();
   bool err;
 
   // Make an inner box too big for its outer box.
   buf[25] = 1;
   scoped_ptr<BoxReader> reader(
-      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), new MediaLog(), &err));
+      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), media_log_, &err));
 
   SkipBox box;
   EXPECT_FALSE(box.Parse(reader.get()));
 }
 
 TEST_F(BoxReaderTest, WrongFourCCTest) {
   std::vector<uint8> buf = GetBuf();
   bool err;
 
   // Set an unrecognized top-level FourCC.
   buf[5] = 1;
+
+  EXPECT_MEDIA_LOG(HasSubstr("Unrecognized top-level box type s\\u0001ip"));
+
   scoped_ptr<BoxReader> reader(
-      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), new MediaLog(), &err));
+      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), media_log_, &err));
   EXPECT_FALSE(reader.get());
   EXPECT_TRUE(err);
 }
 
 TEST_F(BoxReaderTest, ScanChildrenTest) {
   std::vector<uint8> buf = GetBuf();
   bool err;
   scoped_ptr<BoxReader> reader(
-      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), new MediaLog(), &err));
+      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), media_log_, &err));
 
   EXPECT_TRUE(reader->SkipBytes(16) && reader->ScanChildren());
 
   FreeBox free;
   EXPECT_TRUE(reader->ReadChild(&free));
   EXPECT_FALSE(reader->ReadChild(&free));
   EXPECT_TRUE(reader->MaybeReadChild(&free));
 
   std::vector<PsshBox> kids;
 
   EXPECT_TRUE(reader->ReadChildren(&kids));
   EXPECT_EQ(2u, kids.size());
   kids.clear();
   EXPECT_FALSE(reader->ReadChildren(&kids));
   EXPECT_TRUE(reader->MaybeReadChildren(&kids));
 }
 
 TEST_F(BoxReaderTest, ReadAllChildrenTest) {
   std::vector<uint8> buf = GetBuf();
   // Modify buffer to exclude its last 'free' box
   buf[3] = 0x38;
   bool err;
   scoped_ptr<BoxReader> reader(
-      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), new MediaLog(), &err));
+      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), media_log_, &err));
 
   std::vector<PsshBox> kids;
   EXPECT_TRUE(reader->SkipBytes(16) && reader->ReadAllChildren(&kids));
   EXPECT_EQ(2u, kids.size());
   EXPECT_EQ(kids[0].val, 0xdeadbeef);   // Ensure order is preserved
 }
 
-static void TestTopLevelBox(const uint8* data, int size, uint32 fourCC) {
-
-  std::vector<uint8> buf(data, data + size);
-
-  bool err;
-  scoped_ptr<BoxReader> reader(
-      BoxReader::ReadTopLevelBox(&buf[0], buf.size(), new MediaLog(), &err));
-
-  EXPECT_FALSE(err);
-  EXPECT_TRUE(reader);
-  EXPECT_EQ(fourCC, reader->type());
-  EXPECT_EQ(reader->size(), size);
-}
-
 TEST_F(BoxReaderTest, SkippingBloc) {
   static const uint8 kData[] = {
     0x00, 0x00, 0x00, 0x09,  'b',  'l',  'o',  'c', 0x00
   };
 
   TestTopLevelBox(kData, sizeof(kData), FOURCC_BLOC);
 }
 
 TEST_F(BoxReaderTest, SkippingEmsg) {
   static const uint8 kData[] = {
@@ skipping 18 matching lines @@
     0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
     0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10,  // usertype
     0x00,
   };
 
   TestTopLevelBox(kData, sizeof(kData), FOURCC_UUID);
 }
 
 }  // namespace mp4
 }  // namespace media