Add a new incremental parsing API

Change-Id: I6b921766836d58df0281fb23b2add3f62a478e14

webm_parser/tests/date_parser_test.cc

@@ -0,0 +1,55 @@
+// 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/date_parser.h"
+
+#include "gtest/gtest.h"
+
+#include "test_utils/element_parser_test.h"
+#include "webm/status.h"
+
+using webm::DateParser;
+using webm::ElementParserTest;
+using webm::kUnknownElementSize;
+using webm::Status;
+
+namespace {
+
+class DateParserTest : public ElementParserTest<DateParser> {};
+
+TEST_F(DateParserTest, InvalidSize) {
+  TestInit(4, Status::kInvalidElementSize);
+  TestInit(9, Status::kInvalidElementSize);
+  TestInit(kUnknownElementSize, Status::kInvalidElementSize);
+}
+
+TEST_F(DateParserTest, CustomDefault) {
+  ResetParser(-1);
+
+  ParseAndVerify();
+
+  EXPECT_EQ(-1, parser_.value());
+}
+
+TEST_F(DateParserTest, ValidDate) {
+  ParseAndVerify();
+  EXPECT_EQ(0, parser_.value());
+
+  SetReaderData({0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0});
+  ParseAndVerify();
+  EXPECT_EQ(0x123456789ABCDEF0, parser_.value());
+}
+
+TEST_F(DateParserTest, IncrementalParse) {
+  SetReaderData({0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10});
+
+  IncrementalParseAndVerify();
+
+  EXPECT_EQ(0xFEDCBA9876543210, parser_.value());
+}
+
+}  // namespace