TEST(ReaderTest, TestStatusZeroSizeBuffer)
{
uint8_t array[1];
Reader reader;
reader.Initialize(gsl::span<const std::uint8_t>(array, 0));
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestStatusValidBuffer)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa};
reader.Initialize(array);
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestReadingWordLE)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa};
reader.Initialize(array);
ASSERT_THAT(reader.ReadWordLE(), Eq(0xaa55));
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestReadingSingleByte)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa};
reader.Initialize(array);
ASSERT_THAT(reader.ReadByte(), Eq(0x55));
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestReadArray)
{
Reader reader;
const uint8_t array[] = {0x55, 0xaa, 0x77};
reader.Initialize(array);
ASSERT_THAT(reader.ReadArray(3), Eq(gsl::make_span(array)));
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestReadArrayBeyondEnd)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa, 0x77};
reader.Initialize(array);
ASSERT_THAT(reader.ReadArray(4).empty(), Eq(true));
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestReadingDWordLEBeyondEnd)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa, 0x77};
reader.Initialize(array);
reader.ReadDoubleWordLE();
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestReadingQuadLEBeyondEnd)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa, 0x77, 0xee, 0x66, 0xcc, 0x44};
reader.Initialize(array);
reader.ReadQuadWordLE();
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestReadingQuadWordLE)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa, 0x77, 0xee, 0x66, 0xcc, 0x44, 0x88};
reader.Initialize(array);
ASSERT_THAT(reader.ReadQuadWordLE(), Eq(0x8844CC66EE77AA55ULL));
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestReadingDWordLE)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa, 0x77, 0xee};
reader.Initialize(array);
ASSERT_THAT(reader.ReadDoubleWordLE(), Eq(0xEE77AA55U));
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestReadingWordBEBeyondEnd)
{
Reader reader;
uint8_t array[] = {0x55};
reader.Initialize(array);
reader.ReadWordBE();
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestReadingSingleByteBeyondEnd)
{
Reader reader;
uint8_t array[] = {0x55};
reader.Initialize(array);
reader.ReadByte();
reader.ReadByte();
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestReadingWithInvalidState)
{
Reader reader;
uint8_t array[] = {0x55};
reader.Initialize(array);
reader.ReadByte();
reader.ReadWordLE();
reader.ReadWordBE();
reader.ReadDoubleWordLE();
reader.ReadArray(3);
reader.ReadByte();
ASSERT_FALSE(reader.Status());
}
TEST(ReaderTest, TestReadingMovesPosition)
{
Reader reader;
uint8_t array[] = {0x55, 0xaa, 0x77, 0xee, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99};
reader.Initialize(array);
ASSERT_THAT(reader.ReadByte(), Eq(0x55));
ASSERT_THAT(reader.ReadWordLE(), Eq(0x77AA));
ASSERT_THAT(reader.ReadDoubleWordLE(), Eq(0x332211EEU));
ASSERT_THAT(reader.ReadArray(3), Eq(gsl::span<const std::uint8_t>(array + 7, 3)));
ASSERT_THAT(reader.ReadByte(), Eq(0x77));
ASSERT_THAT(reader.ReadWordBE(), Eq(0x8899));
ASSERT_TRUE(reader.Status());
}
TEST(ReaderTest, TestDefaultCtor)
{
Reader reader;
ASSERT_FALSE(reader.Status());
ASSERT_THAT(reader.RemainingSize(), Eq(0));
}
