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proddy
2020-07-05 18:29:08 +02:00
parent 26b201ea2f
commit c5933e8c14
739 changed files with 86566 additions and 20952 deletions
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lib_standalone/ArduinoJson/extras/tests/Misc/Readers.cpp Normal file
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// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2020
// MIT License
#define ARDUINOJSON_ENABLE_ARDUINO_STREAM 1
#include <ArduinoJson/Deserialization/Reader.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("Reader<std::istringstream>") {
SECTION("read()") {
std::istringstream src("\x01\xFF");
Reader<std::istringstream> reader(src);
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == -1);
}
SECTION("readBytes() all at once") {
std::istringstream src("ABC");
Reader<std::istringstream> reader(src);
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'd');
}
SECTION("readBytes() in two parts") {
std::istringstream src("ABCDEF");
Reader<std::istringstream> reader(src);
char buffer[12] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
REQUIRE(reader.readBytes(buffer + 4, 4) == 2);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'D');
REQUIRE(buffer[4] == 'E');
REQUIRE(buffer[5] == 'F');
REQUIRE(buffer[6] == 'g');
}
}
TEST_CASE("BoundedReader<const char*>") {
SECTION("read") {
BoundedReader<const char*> reader("\x01\xFF", 2);
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == -1);
REQUIRE(reader.read() == -1);
}
SECTION("readBytes() all at once") {
BoundedReader<const char*> reader("ABCD", 3);
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'd');
}
SECTION("readBytes() in two parts") {
BoundedReader<const char*> reader("ABCDEF", 6);
char buffer[8] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
REQUIRE(reader.readBytes(buffer + 4, 4) == 2);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'D');
REQUIRE(buffer[4] == 'E');
REQUIRE(buffer[5] == 'F');
REQUIRE(buffer[6] == 'g');
}
}
TEST_CASE("Reader<const char*>") {
SECTION("read()") {
Reader<const char*> reader("\x01\xFF\x00\x12");
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == 0);
REQUIRE(reader.read() == 0x12);
}
SECTION("readBytes() all at once") {
Reader<const char*> reader("ABCD");
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 3) == 3);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'd');
}
SECTION("readBytes() in two parts") {
Reader<const char*> reader("ABCDEF");
char buffer[8] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
REQUIRE(reader.readBytes(buffer + 4, 2) == 2);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'D');
REQUIRE(buffer[4] == 'E');
REQUIRE(buffer[5] == 'F');
REQUIRE(buffer[6] == 'g');
}
}
TEST_CASE("IteratorReader") {
SECTION("read()") {
std::string src("\x01\xFF");
IteratorReader<std::string::const_iterator> reader(src.begin(), src.end());
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == -1);
}
SECTION("readBytes() all at once") {
std::string src("ABC");
IteratorReader<std::string::const_iterator> reader(src.begin(), src.end());
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'd');
}
SECTION("readBytes() in two parts") {
std::string src("ABCDEF");
IteratorReader<std::string::const_iterator> reader(src.begin(), src.end());
char buffer[12] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
REQUIRE(reader.readBytes(buffer + 4, 4) == 2);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'D');
REQUIRE(buffer[4] == 'E');
REQUIRE(buffer[5] == 'F');
REQUIRE(buffer[6] == 'g');
}
}
class StreamStub : public Stream {
public:
StreamStub(const char* s) : _stream(s) {}
int read() {
return _stream.get();
}
size_t readBytes(char* buffer, size_t length) {
_stream.read(buffer, static_cast<std::streamsize>(length));
return static_cast<size_t>(_stream.gcount());
}
private:
std::istringstream _stream;
};
TEST_CASE("Reader<Stream>") {
SECTION("read()") {
StreamStub src("\x01\xFF");
Reader<StreamStub> reader(src);
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == -1);
}
SECTION("readBytes() all at once") {
StreamStub src("ABC");
Reader<StreamStub> reader(src);
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'd');
}
SECTION("readBytes() in two parts") {
StreamStub src("ABCDEF");
Reader<StreamStub> reader(src);
char buffer[12] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
REQUIRE(reader.readBytes(buffer + 4, 4) == 2);
REQUIRE(buffer[0] == 'A');
REQUIRE(buffer[1] == 'B');
REQUIRE(buffer[2] == 'C');
REQUIRE(buffer[3] == 'D');
REQUIRE(buffer[4] == 'E');
REQUIRE(buffer[5] == 'F');
REQUIRE(buffer[6] == 'g');
}
}