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Change string copy policy: only string literal are stored by pointer

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This commit is contained in:
Benoit Blanchon
2024-11-25 11:32:03 +01:00
parent 5f8e3c0f0f
commit 594dc707cb
27 changed files with 456 additions and 197 deletions
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96
extras/tests/JsonArray/subscript.cpp
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@ -59,15 +59,56 @@ TEST_CASE("JsonArray::operator[]") {
REQUIRE(false == array[0].is<int>());
}
SECTION("const char*") {
const char* str = "hello";
SECTION("string literal") {
array[0] = "hello";
array[0] = str;
REQUIRE(str == array[0].as<const char*>());
REQUIRE(array[0].as<std::string>() == "hello");
REQUIRE(true == array[0].is<const char*>());
REQUIRE(false == array[0].is<int>());
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("world")),
});
}
SECTION("const char*") {
const char* str = "hello";
array[0] = str;
REQUIRE(array[0].as<std::string>() == "hello");
REQUIRE(true == array[0].is<const char*>());
REQUIRE(false == array[0].is<int>());
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("world")),
});
}
SECTION("std::string") {
array[0] = "hello"_s;
REQUIRE(array[0].as<std::string>() == "hello");
REQUIRE(true == array[0].is<const char*>());
REQUIRE(false == array[0].is<int>());
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("world")),
});
}
#ifdef HAS_VARIABLE_LENGTH_ARRAY
SECTION("VLA") {
size_t i = 16;
char vla[i];
strcpy(vla, "world");
array.add("hello");
array[0] = vla;
REQUIRE(array[0] == "world"_s);
}
#endif
SECTION("nested array") {
JsonDocument doc2;
JsonArray arr2 = doc2.to<JsonArray>();
@ -114,58 +155,11 @@ TEST_CASE("JsonArray::operator[]") {
REQUIRE(str == array[0]);
}
SECTION("should not duplicate const char*") {
array[0] = "world";
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
});
}
SECTION("should duplicate char*") {
array[0] = const_cast<char*>("world");
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("world")),
});
}
SECTION("should duplicate std::string") {
array[0] = "world"_s;
REQUIRE(spy.log() == AllocatorLog{
Allocate(sizeofPool()),
Allocate(sizeofString("world")),
});
}
SECTION("array[0].to<JsonObject>()") {
JsonObject obj = array[0].to<JsonObject>();
REQUIRE(obj.isNull() == false);
}
#ifdef HAS_VARIABLE_LENGTH_ARRAY
SECTION("set(VLA)") {
size_t i = 16;
char vla[i];
strcpy(vla, "world");
array.add("hello");
array[0].set(vla);
REQUIRE("world"_s == array[0]);
}
SECTION("operator=(VLA)") {
size_t i = 16;
char vla[i];
strcpy(vla, "world");
array.add("hello");
array[0] = vla;
REQUIRE("world"_s == array[0]);
}
#endif
SECTION("Use a JsonVariant as index") {
array[0] = 1;
array[1] = 2;