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Cover the edit storage in tests

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Test edits of an empty document and assignments through a view of a
value that is no longer part of the document; copy the entries of a
block through deref() (one path for links and values); mark the
4 GiB limit and the returns of find_parent() that no document reaches.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
This commit is contained in:
Niels Lohmann
2026-09-29 02:36:50 +02:00
parent 2e5419eebc
commit 266c2249fe
3 changed files with 26 additions and 24 deletions
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16
tests/src/unit-json_view_edit.cpp
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@@ -327,6 +327,12 @@ std::string exception_of_call(const std::function<void()>& f)
TEST_CASE("json_view edits: errors")
{
SECTION("an empty document")
{
json_editable_document d;
CHECK_THROWS_WITH_AS(d.set(d.root(), 1), "[json.exception.invalid_iterator.202] view does not belong to this document", json::invalid_iterator&);
}
json_editable_document d = json_editable_document::parse(R"({"o": {"a": 1}, "a": [1, 2], "n": 1, "z": null})");
const json_editable_view root = d.root();
const json_document other = json_document::parse("[1]");
@@ -367,6 +373,16 @@ TEST_CASE("json_view edits: errors")
TEST_CASE("json_view edits: views and values")
{
SECTION("a value that is no longer part of the document")
{
json_editable_document d = json_editable_document::parse("[[[1,2]]]");
const json_editable_view inner = d.root()[0][0];
d.set(d.root()[0], json::array({7}));
d.set(inner, 5);
CHECK(d.root().dump() == "[[7]]");
CHECK(inner.get<int>() == 5);
}
SECTION("strings stay valid while more edits come")
{
json_editable_document d = json_editable_document::parse("[]");