Initial release

2026-08-16 18:27:57 +07:00
commit 8ff9ca0fc0
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+// Copyright (c) 2016 The WebM project authors. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS.  All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+#include "src/content_encryption_parser.h"
+
+#include <cstdint>
+
+#include "gtest/gtest.h"
+
+#include "test_utils/element_parser_test.h"
+#include "webm/id.h"
+
+using webm::AesSettingsCipherMode;
+using webm::ContentEncAesSettings;
+using webm::ContentEncAlgo;
+using webm::ContentEncryption;
+using webm::ContentEncryptionParser;
+using webm::ElementParserTest;
+using webm::Id;
+
+namespace {
+
+class ContentEncryptionParserTest
+    : public ElementParserTest<ContentEncryptionParser,
+                               Id::kContentEncryption> {};
+
+TEST_F(ContentEncryptionParserTest, DefaultParse) {
+  ParseAndVerify();
+
+  const ContentEncryption content_encryption = parser_.value();
+
+  EXPECT_FALSE(content_encryption.algorithm.is_present());
+  EXPECT_EQ(ContentEncAlgo::kOnlySigned, content_encryption.algorithm.value());
+
+  EXPECT_FALSE(content_encryption.key_id.is_present());
+  EXPECT_EQ(std::vector<std::uint8_t>{}, content_encryption.key_id.value());
+
+  EXPECT_FALSE(content_encryption.aes_settings.is_present());
+  EXPECT_EQ(ContentEncAesSettings{}, content_encryption.aes_settings.value());
+}
+
+TEST_F(ContentEncryptionParserTest, DefaultValues) {
+  SetReaderData({
+      0x47, 0xE1,  // ID = 0x47E1 (ContentEncAlgo).
+      0x80,  // Size = 0.
+
+      0x47, 0xE2,  // ID = 0x47E2 (ContentEncKeyID).
+      0x80,  // Size = 0.
+
+      0x47, 0xE7,  // ID = 0x47E7 (ContentEncAESSettings).
+      0x80,  // Size = 0.
+  });
+
+  ParseAndVerify();
+
+  const ContentEncryption content_encryption = parser_.value();
+
+  EXPECT_TRUE(content_encryption.algorithm.is_present());
+  EXPECT_EQ(ContentEncAlgo::kOnlySigned, content_encryption.algorithm.value());
+
+  EXPECT_TRUE(content_encryption.key_id.is_present());
+  EXPECT_EQ(std::vector<std::uint8_t>{}, content_encryption.key_id.value());
+
+  EXPECT_TRUE(content_encryption.aes_settings.is_present());
+  EXPECT_EQ(ContentEncAesSettings{}, content_encryption.aes_settings.value());
+}
+
+TEST_F(ContentEncryptionParserTest, CustomValues) {
+  SetReaderData({
+      0x47, 0xE1,  // ID = 0x47E1 (ContentEncAlgo).
+      0x81,  // Size = 1.
+      0x05,  // Body (value = AES).
+
+      0x47, 0xE2,  // ID = 0x47E2 (ContentEncKeyID).
+      0x81,  // Size = 1.
+      0x00,  // Body.
+
+      0x47, 0xE7,  // ID = 0x47E7 (ContentEncAESSettings).
+      0x84,  // Size = 4.
+
+      0x47, 0xE8,  //   ID = 0x47E8 (AESSettingsCipherMode).
+      0x81,  //   Size = 1.
+      0x00,  //   Body (value = 0).
+  });
+
+  ParseAndVerify();
+
+  const ContentEncryption content_encryption = parser_.value();
+
+  EXPECT_TRUE(content_encryption.algorithm.is_present());
+  EXPECT_EQ(ContentEncAlgo::kAes, content_encryption.algorithm.value());
+
+  EXPECT_TRUE(content_encryption.key_id.is_present());
+  EXPECT_EQ(std::vector<std::uint8_t>{0x00}, content_encryption.key_id.value());
+
+  ContentEncAesSettings expected;
+  expected.aes_settings_cipher_mode.Set(static_cast<AesSettingsCipherMode>(0),
+                                        true);
+  EXPECT_TRUE(content_encryption.aes_settings.is_present());
+  EXPECT_EQ(expected, content_encryption.aes_settings.value());
+}
+
+}  // namespace