feedc0de/ArduinoJson
1
0
Fork 0
forked from bblanchon/ArduinoJson
Code Pull Requests Activity

Store the strings in the heap

Browse Source
This commit is contained in:
Benoit Blanchon
2023-04-11 10:03:47 +02:00
parent 7c0fa7c276
commit d8f3058efa
27 changed files with 434 additions and 377 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
extras/tests/Misc/printable.cpp
View File

@ -8,6 +8,8 @@
#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 1
#include <ArduinoJson.h>
#include "Allocators.hpp"
using ArduinoJson::detail::sizeofArray;
using ArduinoJson::detail::sizeofString;
@ -52,7 +54,7 @@ struct PrintableString : public Printable {
TEST_CASE("Printable") {
SECTION("Doesn't overflow") {
JsonDocument doc(8);
const char* value = "example"; // == 7 chars
const char* value = "example";
doc.set(666); // to make sure we override the value
@ -77,53 +79,82 @@ TEST_CASE("Printable") {
}
}
SECTION("Overflows early") {
JsonDocument doc(8);
const char* value = "hello world"; // > 8 chars
SECTION("First allocation fails") {
SpyingAllocator spyingAllocator(FailingAllocator::instance());
JsonDocument doc(0, &spyingAllocator);
const char* value = "hello world";
doc.set(666); // to make sure we override the value
SECTION("Via Print::write(char)") {
PrintableString<PrintOneCharacterAtATime> printable(value);
CHECK(doc.set(printable) == false);
CHECK(doc.isNull());
CHECK(printable.totalBytesWritten() == 8);
CHECK(doc.overflowed() == true);
CHECK(doc.memoryUsage() == 0);
}
SECTION("Via Print::write(const char*, size_t)") {
PrintableString<PrintAllAtOnce> printable(value);
CHECK(doc.set(printable) == false);
bool success = doc.set(printable);
CHECK(success == false);
CHECK(doc.isNull());
CHECK(printable.totalBytesWritten() == 0);
CHECK(doc.overflowed() == true);
CHECK(doc.memoryUsage() == 0);
CHECK(spyingAllocator.log() ==
AllocatorLog() << AllocatorLog::AllocateFail(sizeofString(31)));
}
SECTION("Via Print::write(const char*, size_t)") {
PrintableString<PrintAllAtOnce> printable(value);
bool success = doc.set(printable);
CHECK(success == false);
CHECK(doc.isNull());
CHECK(printable.totalBytesWritten() == 0);
CHECK(doc.overflowed() == true);
CHECK(doc.memoryUsage() == 0);
CHECK(spyingAllocator.log() ==
AllocatorLog() << AllocatorLog::AllocateFail(sizeofString(31)));
}
}
SECTION("Overflows adding terminator") {
JsonDocument doc(8);
const char* value = "overflow"; // == 8 chars
SECTION("Reallocation fails") {
TimebombAllocator timebombAllocator(1);
SpyingAllocator spyingAllocator(&timebombAllocator);
JsonDocument doc(0, &spyingAllocator);
const char* value = "Lorem ipsum dolor sit amet, cons"; // > 31 chars
doc.set(666); // to make sure we override the value
SECTION("Via Print::write(char)") {
PrintableString<PrintOneCharacterAtATime> printable(value);
CHECK(doc.set(printable) == false);
bool success = doc.set(printable);
CHECK(success == false);
CHECK(doc.isNull());
CHECK(printable.totalBytesWritten() == 8);
CHECK(printable.totalBytesWritten() == 31);
CHECK(doc.overflowed() == true);
CHECK(doc.memoryUsage() == 0);
CHECK(spyingAllocator.log() ==
AllocatorLog() << AllocatorLog::Allocate(sizeofString(31))
<< AllocatorLog::ReallocateFail(sizeofString(31),
sizeofString(63))
<< AllocatorLog::Deallocate(sizeofString(31)));
}
SECTION("Via Print::write(const char*, size_t)") {
PrintableString<PrintAllAtOnce> printable(value);
CHECK(doc.set(printable) == false);
bool success = doc.set(printable);
CHECK(success == false);
CHECK(doc.isNull());
CHECK(printable.totalBytesWritten() == 0);
CHECK(printable.totalBytesWritten() == 31);
CHECK(doc.overflowed() == true);
CHECK(doc.memoryUsage() == 0);
CHECK(spyingAllocator.log() ==
AllocatorLog() << AllocatorLog::Allocate(sizeofString(31))
<< AllocatorLog::ReallocateFail(sizeofString(31),
sizeofString(63))
<< AllocatorLog::Deallocate(sizeofString(31)));
}
}