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test(ricepp): test bitstreams for non-contiguous interators

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This commit is contained in:
Marcus Holland-Moritz 2024-02-02 19:26:44 +01:00
parent dbb412729b
commit e0cf9df9e7
1 changed files with 48 additions and 0 deletions
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48
ricepp/test/bitstream_test.cpp
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@ -21,6 +21,9 @@
#include <array>
#include <cstdint>
#include <deque>
#include <iterator>
#include <list>
#include <random>
#include <stdexcept>
@ -45,6 +48,9 @@ TEST(ricepp, bitstream_basic_test) {
writer.write_bit(true);
writer.flush();
}
static_assert(std::contiguous_iterator<decltype(data)::iterator>);
{
ricepp::bitstream_reader reader(data.begin(), data.end());
EXPECT_EQ(0x1234567U, reader.read_bits<uint32_t>(28));
@ -61,6 +67,26 @@ TEST(ricepp, bitstream_basic_test) {
EXPECT_THAT([&] { auto v = reader.read_bits<uint64_t>(10); },
testing::Throws<std::out_of_range>());
}
std::list<uint8_t> data2{data.begin(), data.end()};
static_assert(!std::contiguous_iterator<decltype(data2)::iterator>);
{
ricepp::bitstream_reader reader(data2.begin(), data2.end());
EXPECT_EQ(0x1234567U, reader.read_bits<uint32_t>(28));
EXPECT_EQ(UINT64_C(0x123456789abcdef), reader.read_bits<uint64_t>(60));
EXPECT_EQ(13, reader.find_first_set());
EXPECT_EQ(UINT64_C(0x000000FFFFFFFFFF), reader.read_bits<uint64_t>(40));
EXPECT_EQ(UINT64_C(0x000000FFFFFFFFFF), reader.read_bits<uint64_t>(40));
EXPECT_EQ(UINT64_C(0x000000FFFFFFFFFF), reader.read_bits<uint64_t>(40));
EXPECT_EQ(UINT64_C(0x000000FFFFFFFFFF), reader.read_bits<uint64_t>(40));
EXPECT_EQ(UINT64_C(0x000000FFFFFFFFFF), reader.read_bits<uint64_t>(40));
EXPECT_EQ(200, reader.find_first_set());
EXPECT_EQ(136, reader.find_first_set());
EXPECT_THAT([&] { auto v = reader.read_bits<uint64_t>(10); },
testing::Throws<std::out_of_range>());
}
}
namespace {
@ -1460,6 +1486,8 @@ TEST(ricepp, bitstream_random_test) {
EXPECT_EQ(expected_bitstream[i], data[i]) << "at index " << i;
}
static_assert(std::contiguous_iterator<decltype(data)::iterator>);
{
ricepp::bitstream_reader reader(data.begin(), data.end());
for (const auto& td : testdata) {
@ -1476,4 +1504,24 @@ TEST(ricepp, bitstream_random_test) {
}
}
}
std::deque<uint8_t> data2{data.begin(), data.end()};
static_assert(!std::contiguous_iterator<decltype(data2)::iterator>);
{
ricepp::bitstream_reader reader(data2.begin(), data2.end());
for (const auto& td : testdata) {
switch (td.op) {
case oper::single:
EXPECT_EQ(td.value, reader.read_bit());
break;
case oper::multi:
EXPECT_EQ(td.value, reader.read_bits<uint64_t>(td.bits));
break;
case oper::sequence:
EXPECT_EQ(td.bits, reader.find_first_set());
break;
}
}
}
}