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// ArduinoJson - https://arduinojson.org
// Copyright © 2014-2023, Benoit BLANCHON
// MIT License
#define ARDUINOJSON_DECODE_UNICODE 1
#include <ArduinoJson.h>
#include <catch.hpp>
TEST_CASE("Valid JSON strings value") {
struct TestCase {
const char* input;
const char* expectedOutput;
};
TestCase testCases[] = {
{"\"hello world\"", "hello world"},
{"\'hello world\'", "hello world"},
{"'\"'", "\""},
{"'\\\\'", "\\"},
{"'\\/'", "/"},
{"'\\b'", "\b"},
{"'\\f'", "\f"},
{"'\\n'", "\n"},
{"'\\r'", "\r"},
{"'\\t'", "\t"},
{"\"1\\\"2\\\\3\\/4\\b5\\f6\\n7\\r8\\t9\"", "1\"2\\3/4\b5\f6\n7\r8\t9"},
{"'\\u0041'", "A"},
{"'\\u00e4'", "\xc3\xa4"}, // ä
{"'\\u00E4'", "\xc3\xa4"}, // ä
{"'\\u3042'", "\xe3\x81\x82"}, // あ
{"'\\ud83d\\udda4'", "\xf0\x9f\x96\xa4"}, // 🖤
{"'\\uF053'", "\xef\x81\x93"}, // issue #1173
{"'\\uF015'", "\xef\x80\x95"}, // issue #1173
{"'\\uF054'", "\xef\x81\x94"}, // issue #1173
};
const size_t testCount = sizeof(testCases) / sizeof(testCases[0]);
DynamicJsonDocument doc(4096);
for (size_t i = 0; i < testCount; i++) {
const TestCase& testCase = testCases[i];
CAPTURE(testCase.input);
DeserializationError err = deserializeJson(doc, testCase.input);
CHECK(err == DeserializationError::Ok);
CHECK(doc.as<std::string>() == testCase.expectedOutput);
}
}
TEST_CASE("\\u0000") {
StaticJsonDocument<200> doc;
DeserializationError err = deserializeJson(doc, "\"wx\\u0000yz\"");
REQUIRE(err == DeserializationError::Ok);
const char* result = doc.as<const char*>();
CHECK(result[0] == 'w');
CHECK(result[1] == 'x');
CHECK(result[2] == 0);
CHECK(result[3] == 'y');
CHECK(result[4] == 'z');
CHECK(result[5] == 0);
CHECK(doc.as<JsonString>().size() == 5);
CHECK(doc.as<std::string>().size() == 5);
}
TEST_CASE("Truncated JSON string") {
const char* testCases[] = {"\"hello", "\'hello", "'\\u", "'\\u00", "'\\u000"};
const size_t testCount = sizeof(testCases) / sizeof(testCases[0]);
DynamicJsonDocument doc(4096);
for (size_t i = 0; i < testCount; i++) {
const char* input = testCases[i];
CAPTURE(input);
REQUIRE(deserializeJson(doc, input) ==
DeserializationError::IncompleteInput);
}
}
TEST_CASE("Invalid JSON string") {
const char* testCases[] = {"'\\u'", "'\\u000g'", "'\\u000'",
"'\\u000G'", "'\\u000/'", "'\\x1234'"};
const size_t testCount = sizeof(testCases) / sizeof(testCases[0]);
DynamicJsonDocument doc(4096);
for (size_t i = 0; i < testCount; i++) {
const char* input = testCases[i];
CAPTURE(input);
REQUIRE(deserializeJson(doc, input) == DeserializationError::InvalidInput);
}
}
TEST_CASE("Not enough room to save the key") {
DynamicJsonDocument doc(JSON_OBJECT_SIZE(1) + 8);
SECTION("Quoted string") {
REQUIRE(deserializeJson(doc, "{\"example\":1}") ==
DeserializationError::Ok);
REQUIRE(deserializeJson(doc, "{\"accuracy\":1}") ==
DeserializationError::NoMemory);
REQUIRE(deserializeJson(doc, "{\"hello\":1,\"world\"}") ==
DeserializationError::NoMemory); // fails in the second string
}
SECTION("Non-quoted string") {
REQUIRE(deserializeJson(doc, "{example:1}") == DeserializationError::Ok);
REQUIRE(deserializeJson(doc, "{accuracy:1}") ==
DeserializationError::NoMemory);
REQUIRE(deserializeJson(doc, "{hello:1,world}") ==
DeserializationError::NoMemory); // fails in the second string
}
}
TEST_CASE("Empty memory pool") {
// NOLINTNEXTLINE(clang-analyzer-optin.portability.UnixAPI)
DynamicJsonDocument doc(0);
SECTION("Input is const char*") {
REQUIRE(deserializeJson(doc, "\"hello\"") ==
DeserializationError::NoMemory);
REQUIRE(deserializeJson(doc, "\"\"") == DeserializationError::NoMemory);
}
SECTION("Input is const char*") {
char hello[] = "\"hello\"";
REQUIRE(deserializeJson(doc, hello) == DeserializationError::Ok);
char empty[] = "\"hello\"";
REQUIRE(deserializeJson(doc, empty) == DeserializationError::Ok);
}
}