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Avoid pool reallocation in BasicJsonDocument's copy assignment

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This commit is contained in:
Benoit Blanchon
2021-12-16 14:42:54 +01:00
parent 3166356484
commit e16767af92
2 changed files with 34 additions and 1 deletions
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32
extras/tests/JsonDocument/BasicJsonDocument.cpp
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@ -89,7 +89,7 @@ TEST_CASE("BasicJsonDocument") {
}
#endif
SECTION("Copy assign") {
SECTION("Copy assign larger") {
{
BasicJsonDocument<SpyingAllocator> doc1(4096, log);
doc1.set(std::string("The size of this string is 32!!"));
@ -104,6 +104,36 @@ TEST_CASE("BasicJsonDocument") {
REQUIRE(log.str() == "A4096A8FA4096FF");
}
SECTION("Copy assign smaller") {
{
BasicJsonDocument<SpyingAllocator> doc1(1024, log);
doc1.set(std::string("The size of this string is 32!!"));
BasicJsonDocument<SpyingAllocator> doc2(4096, log);
doc2 = doc1;
REQUIRE(doc1.as<std::string>() == "The size of this string is 32!!");
REQUIRE(doc2.as<std::string>() == "The size of this string is 32!!");
REQUIRE(doc2.capacity() == 1024);
}
REQUIRE(log.str() == "A1024A4096FA1024FF");
}
SECTION("Copy assign same size") {
{
BasicJsonDocument<SpyingAllocator> doc1(1024, log);
doc1.set(std::string("The size of this string is 32!!"));
BasicJsonDocument<SpyingAllocator> doc2(1024, log);
doc2 = doc1;
REQUIRE(doc1.as<std::string>() == "The size of this string is 32!!");
REQUIRE(doc2.as<std::string>() == "The size of this string is 32!!");
REQUIRE(doc2.capacity() == 1024);
}
REQUIRE(log.str() == "A1024A1024FF");
}
#if ARDUINOJSON_HAS_RVALUE_REFERENCES
SECTION("Move assign") {
{