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Test extension slot allocation failure

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This commit is contained in:
Benoit Blanchon
2024-08-27 14:51:22 +02:00
parent 0278e94fce
commit ee02c0d573
4 changed files with 70 additions and 37 deletions
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70
extras/tests/JsonVariant/set.cpp
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@ -188,12 +188,12 @@ TEST_CASE("JsonVariant::set() when there is enough memory") {
}
SECTION("int64_t") {
bool result = variant.set(int64_t(-2147483649));
bool result = variant.set(int64_t(-2147483649LL));
doc.shrinkToFit();
REQUIRE(result == true);
REQUIRE(variant.is<int64_t>() == true);
REQUIRE(variant.as<int64_t>() == -2147483649);
REQUIRE(variant.as<int64_t>() == -2147483649LL);
REQUIRE(spy.log() ==
AllocatorLog{
Allocate(sizeofPool()),
@ -278,6 +278,34 @@ TEST_CASE("JsonVariant::set() with not enough memory") {
REQUIRE(result == false);
REQUIRE(v.isNull());
}
SECTION("int32_t") {
bool result = v.set(-42);
REQUIRE(result == true);
REQUIRE(v.is<int32_t>());
}
SECTION("int64_t") {
bool result = v.set(-2147483649LL);
REQUIRE(result == false);
REQUIRE(v.isNull());
}
SECTION("uint32_t") {
bool result = v.set(42);
REQUIRE(result == true);
REQUIRE(v.is<uint32_t>());
}
SECTION("uint64_t") {
bool result = v.set(4294967296U);
REQUIRE(result == false);
REQUIRE(v.isNull());
}
}
TEST_CASE("JsonVariant::set() releases the previous value") {
@ -325,29 +353,33 @@ TEST_CASE("JsonVariant::set() releases the previous value") {
}
}
TEST_CASE("Extension slots") {
TEST_CASE("JsonVariant::set() reuses extension slot") {
SpyingAllocator spy;
JsonDocument doc(&spy);
JsonVariant variant = doc.to<JsonVariant>();
SECTION("double requires two slot") {
int i = ARDUINOJSON_POOL_CAPACITY - 1;
variant.set(1.2);
doc.shrinkToFit();
spy.clearLog();
// make sure the pool is full
doc[i] = 1;
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
});
SECTION("double") {
bool result = variant.set(3.4);
// replace with a float => no allocation
spy.clearLog();
doc[i] = 1.2f;
REQUIRE(result == true);
REQUIRE(spy.log() == AllocatorLog{});
}
// replace with a double => new pool needed
spy.clearLog();
doc[i] = 1.2;
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
});
SECTION("int64_t") {
bool result = variant.set(-2147483649LL);
REQUIRE(result == true);
REQUIRE(spy.log() == AllocatorLog{});
}
SECTION("uint64_t") {
bool result = variant.set(4294967296U);
REQUIRE(result == true);
REQUIRE(spy.log() == AllocatorLog{});
}
}