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Change link() to shallowCopy() (issue #1343)

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Instead of storing a pointer, the function copies the `VariantData`.

Benefits:
* smaller code
* no impact on programs that don't use this feature

Drawbacks:
* changes to the original variant are not always reflected on the copy
* modifying the original from the shallow copy leads to UB
This commit is contained in:
Benoit Blanchon
2022-07-05 17:07:43 +02:00
parent 3b3ab8c4e1
commit cd8373ad32
36 changed files with 78 additions and 543 deletions
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9
extras/tests/JsonVariant/containsKey.cpp
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@ -25,15 +25,6 @@ TEST_CASE("JsonVariant::containsKey()") {
REQUIRE(var.containsKey(std::string("hello")) == true);
REQUIRE(var.containsKey(std::string("world")) == false);
}
SECTION("linked object") {
StaticJsonDocument<128> doc2;
doc2["hello"] = "world";
var.link(doc2);
CHECK(var.containsKey("hello") == true);
CHECK(var.containsKey("world") == false);
}
}
TEST_CASE("JsonVariantConst::containsKey()") {