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Store object members with two slots: one for the key and one for the value

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This commit is contained in:
Benoit Blanchon
2024-08-23 15:31:47 +02:00
parent a2b09bfbd2
commit 09c89dcacf
24 changed files with 229 additions and 173 deletions
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40
extras/tests/JsonDocument/MemberProxy.cpp
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@ -345,12 +345,12 @@ TEST_CASE("Deduplicate keys") {
}
TEST_CASE("MemberProxy under memory constraints") {
KillswitchAllocator killswitch;
SpyingAllocator spy(&killswitch);
TimebombAllocator timebomb(1);
SpyingAllocator spy(&timebomb);
JsonDocument doc(&spy);
SECTION("key allocation fails") {
killswitch.on();
SECTION("key slot allocation fails") {
timebomb.setCountdown(0);
doc["hello"_s] = "world";
@ -361,4 +361,36 @@ TEST_CASE("MemberProxy under memory constraints") {
AllocateFail(sizeofPool()),
});
}
SECTION("value slot allocation fails") {
timebomb.setCountdown(1);
// fill the pool entirely, but leave one slot for the key
doc["foo"][ARDUINOJSON_POOL_CAPACITY - 4] = 1;
REQUIRE(doc.overflowed() == false);
doc["hello"_s] = "world";
REQUIRE(doc.is<JsonObject>());
REQUIRE(doc.size() == 1);
REQUIRE(doc.overflowed() == true);
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
AllocateFail(sizeofPool()),
});
}
SECTION("key string allocation fails") {
timebomb.setCountdown(1);
doc["hello"_s] = "world";
REQUIRE(doc.is<JsonObject>());
REQUIRE(doc.size() == 0);
REQUIRE(doc.overflowed() == true);
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
AllocateFail(sizeofString("hello")),
});
}
}