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Don't add partial objects when allocation fails

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Fixes #2081
This commit is contained in:
Benoit Blanchon
2024-05-23 18:36:24 +02:00
parent f99b2d63f9
commit 5a60c55be7
13 changed files with 213 additions and 19 deletions
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49
extras/tests/JsonArray/add.cpp
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@ -179,3 +179,52 @@ TEST_CASE("JsonArray::add<T>()") {
REQUIRE(doc.as<std::string>() == "[42]");
}
}
TEST_CASE("JsonObject::add(JsonObject) ") {
JsonDocument doc1;
doc1[std::string("key1")] = std::string("value1");
TimebombAllocator allocator(10);
SpyingAllocator spy(&allocator);
JsonDocument doc2(&spy);
JsonArray array = doc2.to<JsonArray>();
SECTION("success") {
bool result = array.add(doc1.as<JsonObject>());
REQUIRE(result == true);
REQUIRE(doc2.as<std::string>() == "[{\"key1\":\"value1\"}]");
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("key1")),
Allocate(sizeofString("value1")),
});
}
SECTION("partial failure") { // issue #2081
allocator.setCountdown(2);
bool result = array.add(doc1.as<JsonObject>());
REQUIRE(result == false);
REQUIRE(doc2.as<std::string>() == "[]");
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("key1")),
AllocateFail(sizeofString("value1")),
Deallocate(sizeofString("key1")),
});
}
SECTION("complete failure") {
allocator.setCountdown(0);
bool result = array.add(doc1.as<JsonObject>());
REQUIRE(result == false);
REQUIRE(doc2.as<std::string>() == "[]");
REQUIRE(spy.log() == AllocatorLog{
AllocateFail(sizeofPool()),
});
}
}