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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/int_parser.h"
#include "gtest/gtest.h"
#include "test_utils/element_parser_test.h"
#include "webm/status.h"
using webm::ElementParserTest;
using webm::kUnknownElementSize;
using webm::SignedIntParser;
using webm::Status;
using webm::UnsignedIntParser;
namespace {
class UnsignedIntParserTest : public ElementParserTest<UnsignedIntParser> {};
TEST_F(UnsignedIntParserTest, UnsignedInvalidSize) {
TestInit(9, Status::kInvalidElementSize);
TestInit(kUnknownElementSize, Status::kInvalidElementSize);
}
TEST_F(UnsignedIntParserTest, UnsignedCustomDefault) {
ResetParser(1);
ParseAndVerify();
EXPECT_EQ(static_cast<std::uint64_t>(1), parser_.value());
}
TEST_F(UnsignedIntParserTest, UnsignedValidInt) {
ParseAndVerify();
EXPECT_EQ(static_cast<std::uint64_t>(0), parser_.value());
SetReaderData({0x01, 0x02, 0x03});
ParseAndVerify();
EXPECT_EQ(static_cast<std::uint64_t>(0x010203), parser_.value());
SetReaderData({0xFF, 0xFF, 0xFF, 0xFF, 0xFF});
ParseAndVerify();
EXPECT_EQ(static_cast<std::uint64_t>(0xFFFFFFFFFF), parser_.value());
SetReaderData({0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0});
ParseAndVerify();
EXPECT_EQ(static_cast<std::uint64_t>(0x123456789ABCDEF0), parser_.value());
}
TEST_F(UnsignedIntParserTest, UnsignedIncrementalParse) {
SetReaderData({0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10});
IncrementalParseAndVerify();
EXPECT_EQ(static_cast<std::uint64_t>(0xFEDCBA9876543210), parser_.value());
}
class SignedIntParserTest : public ElementParserTest<SignedIntParser> {};
TEST_F(SignedIntParserTest, SignedInvalidSize) {
TestInit(9, Status::kInvalidElementSize);
TestInit(kUnknownElementSize, Status::kInvalidElementSize);
}
TEST_F(SignedIntParserTest, SignedCustomDefault) {
ResetParser(-1);
ParseAndVerify();
EXPECT_EQ(-1, parser_.value());
}
TEST_F(SignedIntParserTest, SignedValidPositiveInt) {
ParseAndVerify();
EXPECT_EQ(0, parser_.value());
SetReaderData({0x7f});
ParseAndVerify();
EXPECT_EQ(0x7f, parser_.value());
SetReaderData({0x12, 0xD6, 0x87});
ParseAndVerify();
EXPECT_EQ(1234567, parser_.value());
SetReaderData({0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0});
ParseAndVerify();
EXPECT_EQ(0x123456789ABCDEF0, parser_.value());
}
TEST_F(SignedIntParserTest, SignedValidNegativeInt) {
SetReaderData({0xFF});
ParseAndVerify();
EXPECT_EQ(-1, parser_.value());
SetReaderData({0xF8, 0xA4, 0x32, 0xEB});
ParseAndVerify();
EXPECT_EQ(-123456789, parser_.value());
}
TEST_F(SignedIntParserTest, SignedIncrementalParse) {
SetReaderData({0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x11});
IncrementalParseAndVerify();
EXPECT_EQ(-81985529216486895, parser_.value());
}
} // namespace
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