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Rename slots in the object index for Qt compatibility

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Qt defines slots as a macro, so a Qt header included before
json_view.hpp broke the declarations of the local variable (see #5865).
The test variable is renamed as well.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann committed 2026-10-18 04:23:46 +02:00
1 parent 1fd1e135cf
commit 71985e0b60
3 files changed
+15 -15
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tests/src/unit-json_view_dump.cpp
+3 -3
View File
@@ -412,7 +412,7 @@ TEST_CASE("json_view large objects")
// make the table build quadratic: such an object gets no table and is
// searched linearly
constexpr std::size_t members = 300;
constexpr std::size_t slots = 1024; // the table size for 300 members: the next power of two >= 600
constexpr std::size_t table_size = 1024; // the table size for 300 members: the next power of two >= 600
std::vector<std::string> colliding;
std::vector<std::string> spread;
for (std::uint64_t counter = 0; colliding.size() < members || spread.size() < members; ++counter)
@@ -423,7 +423,7 @@ TEST_CASE("json_view large objects")
{
key[i] = static_cast<char>('a' + (x % 26));
}
const bool lands_in_slot_zero = (nlohmann::detail::view::key_hash(key.data(), key.size()) & (slots - 1)) == 0;
const bool lands_in_slot_zero = (nlohmann::detail::view::key_hash(key.data(), key.size()) & (table_size - 1)) == 0;
if (lands_in_slot_zero && colliding.size() < members)
{
colliding.push_back(key);
@@ -470,7 +470,7 @@ TEST_CASE("json_view large objects")
// same length, so the tables are the only difference)
with_collisions.shrink_to_fit();
without_collisions.shrink_to_fit();
CHECK(without_collisions.memory_usage() >= with_collisions.memory_usage() + (slots * sizeof(std::uint32_t)));
CHECK(without_collisions.memory_usage() >= with_collisions.memory_usage() + (table_size * sizeof(std::uint32_t)));
}
SECTION("shrink_to_fit releases the tables' spare capacity")