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Add static assertions for iterator concept satisfaction of utf_view iterator #8

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Merged
ednolan merged 1 commit into from
Nov 13, 2024
Merged

Add static assertions for iterator concept satisfaction of utf_view iterator #8

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47 changes: 47 additions & 0 deletions src/utf_view/tests/to_utf_view.t.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,11 @@ template <class CharT>
test_input_iterator(std::initializer_list<CharT>) -> test_input_iterator<CharT>;

static_assert(std::input_iterator<test_input_iterator<char8_t>>);
static_assert(
std::input_iterator<
std::ranges::iterator_t<
to_utf8_view<
std::ranges::subrange<test_input_iterator<char8_t>, std::default_sentinel_t>>>>);

template <class CharT>
struct test_comparable_input_iterator {
Expand Down Expand Up @@ -105,6 +110,12 @@ test_comparable_input_iterator(std::initializer_list<CharT>)
-> test_comparable_input_iterator<CharT>;

static_assert(std::input_iterator<test_comparable_input_iterator<char8_t>>);
static_assert(
std::input_iterator<
std::ranges::iterator_t<
to_utf8_view<
std::ranges::subrange<test_comparable_input_iterator<char8_t>,
std::default_sentinel_t>>>>);

template <class CharT>
struct test_copyable_input_iterator {
Expand Down Expand Up @@ -154,6 +165,18 @@ test_copyable_input_iterator(std::initializer_list<CharT>)

static_assert(std::input_iterator<test_copyable_input_iterator<char8_t>>);
static_assert(!std::forward_iterator<test_copyable_input_iterator<char8_t>>);
static_assert(
std::input_iterator<
std::ranges::iterator_t<
to_utf8_view<
std::ranges::subrange<test_copyable_input_iterator<char8_t>,
std::default_sentinel_t>>>>);
static_assert(
!std::forward_iterator<
std::ranges::iterator_t<
to_utf8_view<
std::ranges::subrange<test_copyable_input_iterator<char8_t>,
std::default_sentinel_t>>>>);

template <class CharT>
struct test_forward_iterator {
Expand Down Expand Up @@ -202,6 +225,18 @@ template <class CharT>
test_forward_iterator(std::initializer_list<CharT>) -> test_forward_iterator<CharT>;

static_assert(std::forward_iterator<test_forward_iterator<char8_t>>);
static_assert(
std::forward_iterator<
std::ranges::iterator_t<
to_utf8_view<
std::ranges::subrange<test_forward_iterator<char8_t>,
std::default_sentinel_t>>>>);
static_assert(
std::forward_iterator<
std::ranges::sentinel_t<
to_utf8_view<
std::ranges::subrange<test_forward_iterator<char8_t>,
test_forward_iterator<char8_t>>>>>);

template <class CharT>
struct test_bidi_iterator {
Expand Down Expand Up @@ -258,6 +293,18 @@ template <class CharT>
test_bidi_iterator(std::initializer_list<CharT>) -> test_bidi_iterator<CharT>;

static_assert(std::bidirectional_iterator<test_bidi_iterator<char8_t>>);
static_assert(
std::bidirectional_iterator<
std::ranges::iterator_t<
to_utf8_view<
std::ranges::subrange<test_bidi_iterator<char8_t>,
std::default_sentinel_t>>>>);
static_assert(
std::bidirectional_iterator<
std::ranges::sentinel_t<
to_utf8_view<
std::ranges::subrange<test_bidi_iterator<char8_t>,
test_bidi_iterator<char8_t>>>>>);

template <exposition_only_code_unit_to CharT>
struct test_case_code_unit_result {
Expand Down