1 files changed, 126 insertions, 0 deletions
diff --git a/examples/file_reader_test.cc b/examples/file_reader_test.cc
new file mode 100644
index 0000000..53e27f7
--- /dev/null
+++ b/examples/file_reader_test.cc
@@ -0,0 +1,126 @@
+// Copyright 2021 The libgav1 Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "examples/file_reader.h"
+
+#include <cstdint>
+#include <cstdio>
+#include <memory>
+#include <vector>
+
+#include "examples/file_reader_interface.h"
+#include "examples/file_reader_test_common.h"
+#include "gtest/gtest.h"
+#include "tests/utils.h"
+
+namespace libgav1 {
+namespace {
+
+// For use with tests that expect Open() failure to distinguish failure due to
+// the file contents versus failure due to a missing file.
+bool FileCanBeRead(const std::string& filename) {
+  FILE* const file = fopen(filename.c_str(), "r");
+  if (file != nullptr) {
+    fclose(file);
+    return true;
+  }
+  return false;
+}
+
+TEST(FileReaderTest, FailOpen) {
+  EXPECT_EQ(FileReader::Open(""), nullptr);
+  const std::string filename =
+      test_utils::GetTestInputFilePath("ivf-signature-only");
+  SCOPED_TRACE("Filename: " + filename);
+  EXPECT_TRUE(FileCanBeRead(filename));
+  EXPECT_EQ(FileReader::Open(filename), nullptr);
+}
+
+TEST(FileReaderTest, Open) {
+  const std::string filenames[] = {
+      test_utils::GetTestInputFilePath("five-frames.ivf"),
+      test_utils::GetTestInputFilePath("ivf-header-and-truncated-frame-header"),
+      test_utils::GetTestInputFilePath("ivf-header-only"),
+      test_utils::GetTestInputFilePath("one-frame-truncated.ivf"),
+      test_utils::GetTestInputFilePath("one-frame.ivf"),
+  };
+  for (const auto& filename : filenames) {
+    EXPECT_NE(FileReader::Open(filename), nullptr) << "Filename: " << filename;
+  }
+}
+
+TEST_P(FileReaderFailTest, FailRead) {
+  ASSERT_FALSE(reader_->ReadTemporalUnit(&tu_data_, nullptr));
+}
+
+TEST_P(FileReaderErrorTolerant, ReadThroughEndOfFile) {
+  while (!reader_->IsEndOfFile()) {
+    tu_data_.clear();
+    ASSERT_TRUE(reader_->ReadTemporalUnit(&tu_data_, nullptr));
+    ASSERT_GT(tu_data_.size(), 0);
+  }
+}
+
+TEST_P(FileReaderTestNoTimeStamps, ReadThroughEndOfFile) {
+  while (!reader_->IsEndOfFile()) {
+    tu_data_.clear();
+    ASSERT_TRUE(reader_->ReadTemporalUnit(&tu_data_, nullptr));
+  }
+}
+
+TEST_P(FileReaderTestWithTimeStamps, ReadThroughEndOfFile) {
+  int64_t timestamp = 0;
+  while (!reader_->IsEndOfFile()) {
+    tu_data_.clear();
+    ASSERT_TRUE(reader_->ReadTemporalUnit(&tu_data_, &timestamp));
+    if (!tu_data_.empty()) {
+      last_timestamp_ = timestamp;
+    }
+  }
+  ASSERT_TRUE(tu_data_.empty());
+  ASSERT_EQ(last_timestamp_, expected_last_timestamp_);
+}
+
+INSTANTIATE_TEST_SUITE_P(
+    FailRead, FileReaderFailTest,
+    testing::Values(
+        FileReaderTestParameters(FileReader::Open,
+                                 "ivf-header-and-truncated-frame-header"),
+        FileReaderTestParameters(FileReader::Open, "one-frame-truncated.ivf")));
+
+INSTANTIATE_TEST_SUITE_P(ReadThroughEndOfFile, FileReaderErrorTolerant,
+                         testing::Values(FileReaderTestParameters(
+                             FileReader::Open, "one-frame-truncated.ivf")));
+
+INSTANTIATE_TEST_SUITE_P(
+    ReadThroughEndOfFile, FileReaderTestNoTimeStamps,
+    testing::Values(FileReaderTestParameters(FileReader::Open, "one-frame.ivf"),
+                    FileReaderTestParameters(FileReader::Open,
+                                             "one-frame-large-timestamp.ivf"),
+                    FileReaderTestParameters(FileReader::Open,
+                                             "five-frames.ivf")));
+
+INSTANTIATE_TEST_SUITE_P(
+    ReadThroughEndOfFile, FileReaderTestWithTimeStamps,
+    testing::Values(
+        FileReaderTestWithTimeStampsParameters(FileReader::Open,
+                                               "one-frame.ivf", 0),
+        FileReaderTestWithTimeStampsParameters(FileReader::Open,
+                                               "one-frame-large-timestamp.ivf",
+                                               4294967296),
+        FileReaderTestWithTimeStampsParameters(FileReader::Open,
+                                               "five-frames.ivf", 4)));
+
+}  // namespace
+}  // namespace libgav1