diff options
-rw-r--r-- | serialize/packbits.cpp | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/serialize/packbits.cpp b/serialize/packbits.cpp index 1b353b43..a45c68d8 100644 --- a/serialize/packbits.cpp +++ b/serialize/packbits.cpp @@ -11,34 +11,31 @@ constexpr bool test1() { constexpr size_t left[] = { 8, 3, 2, 1, 0 }; constexpr size_t rest[] = { 0, 5, 6, 7, 8 }; - constexpr size_t bits[] = { 5, 2, 1, 1 }; + constexpr size_t bits[] = { 5, 2, 1, 0 }; constexpr size_t vals[] = { 8, 3, 1, 0 }; - constexpr auto S0 = Storage<uint8_t, left[0]>{0b10111011uz}; - constexpr auto S1 = Storage<uint8_t, left[1]>{0b00000101uz}; - constexpr auto S2 = Storage<uint8_t, left[2]>{0b00000010uz}; - constexpr auto S3 = Storage<uint8_t, left[3]>{0b00000001uz}; - constexpr auto S4 = Storage<uint8_t, left[4]>{0b00000000uz}; - static_assert(S0.Capacity == 8 - rest[0]); - static_assert(S1.Capacity == 8 - rest[1]); - static_assert(S2.Capacity == 8 - rest[2]); - static_assert(S3.Capacity == 8 - rest[3]); - static_assert(S4.Capacity == 8 - rest[4]); - static_assert(S0.advance<left[0] - left[1]>() == S1.value); - static_assert(S1.advance<left[1] - left[2]>() == S2.value); - static_assert(S2.advance<left[2] - left[3]>() == S3.value); - static_assert(S3.advance<left[3] - left[4]>() == S4.value); + + constexpr auto S0 = Storage<uint8_t, 8>{0b10111011uz}; + constexpr auto S1 = Storage<uint8_t, bits[0]>{0b00000101uz}; + constexpr auto S2 = Storage<uint8_t, bits[1]>{0b00000001uz}; + constexpr auto S3 = Storage<uint8_t, bits[2]>{0b00000000uz}; + using P0 = std::decay_t<decltype(S0)>; using P1 = P0::next<bits[0]>; using P2 = P1::next<bits[1]>; using P3 = P2::next<bits[2]>; - static_assert(P0::Capacity == vals[0]); - static_assert(P1::Capacity == vals[1]); - static_assert(P2::Capacity == vals[2]); - static_assert(P3::Capacity == vals[3]); + static_assert(std::is_same_v<P1, Storage<uint8_t, vals[1]>>); static_assert(std::is_same_v<P2, Storage<uint8_t, vals[2]>>); static_assert(std::is_same_v<P3, Storage<uint8_t, vals[3]>>); + static_assert(S0.advance<5>() == S1.value); + static_assert(S1.advance<2>() == S2.value); + static_assert(S2.advance<1>() == S3.value); + + static_assert(S0.get<bits[0]>() == (S0.value & (1<<bits[0])-1)); + static_assert(S1.get<bits[1]>() == (S1.value & (1<<bits[1])-1)); + static_assert(S2.get<bits[2]>() == (S2.value & (1<<bits[2])-1)); + return true; } static_assert(test1()); |