amorfo77/json
1
0
Fork 0
mirror of https://github.com/nlohmann/json.git synced 2026-08-29 20:47:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix update(merge_objects=true) throwing on primitive-to-object merge (#5414)

Browse Source 
When merge_objects is true, recurse only if the existing value is an
object. Otherwise overwrite, matching the documented "all other values
are overwritten as usual" behavior.

Fixes #5402

Signed-off-by: elix3r <157088510+22elix3r@users.noreply.github.com>
This commit is contained in:
elix3r
2026-08-28 13:38:28 +01:00
committed by GitHub
parent 892be68ca4
commit 35705d79d8
4 changed files with 43 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/src/unit-regression2.cpp
+11
View File
@@ -1555,4 +1555,15 @@ TEST_CASE("issue #5338 - truncated CBOR tagged binary subtype is rejected")
}
}
TEST_CASE("issue #5402 - update(merge_objects=true) overwrites a primitive with an object")
{
json t = {{"k", 1}};
t.update(json{{"k", {{"x", 2}}}}, true);
CHECK(t == json({{"k", {{"x", 2}}}}));
json mixed = {{"keep", {{"a", 1}}}, {"replace", 1}};
mixed.update(json{{"keep", {{"b", 2}}}, {"replace", {{"x", 2}}}}, true);
CHECK(mixed == json({{"keep", {{"a", 1}, {"b", 2}}}, {"replace", {{"x", 2}}}}));
}
DOCTEST_CLANG_SUPPRESS_WARNING_POP