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Added support for custom reader classes

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This commit is contained in:
Benoit Blanchon
2019-10-25 11:39:04 +02:00
parent d4f819f1f0
commit 3a169df0a5
17 changed files with 261 additions and 189 deletions
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1
extras/tests/CMakeLists.txt
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@@ -72,6 +72,7 @@ if(MSVC)
)
endif()
include_directories(Helpers)
add_subdirectory(ElementProxy)
add_subdirectory(IntegrationTests)
add_subdirectory(JsonArray)

26
extras/tests/Helpers/CustomReader.hpp Normal file
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@@ -0,0 +1,26 @@
// ArduinoJson - arduinojson.org
// Copyright Benoit Blanchon 2014-2019
// MIT License
#pragma once
#include <sstream>
class CustomReader {
std::stringstream _stream;
public:
CustomReader(const char* input) : _stream(input) {}
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:
CustomReader(const CustomReader&);
};

13
extras/tests/JsonDeserializer/input_types.cpp
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@@ -6,6 +6,8 @@
#include <catch.hpp>
#include <sstream>
#include "CustomReader.hpp"
TEST_CASE("deserializeJson(const std::string&)") {
DynamicJsonDocument doc(4096);
@@ -113,3 +115,14 @@ TEST_CASE("deserializeJson(VLA)") {
REQUIRE(err == DeserializationError::Ok);
}
#endif
TEST_CASE("deserializeJson(CustomReader)") {
DynamicJsonDocument doc(4096);
CustomReader reader("[4,2]");
DeserializationError err = deserializeJson(doc, reader);
REQUIRE(err == DeserializationError::Ok);
REQUIRE(doc.size() == 2);
REQUIRE(doc[0] == 4);
REQUIRE(doc[1] == 2);
}

26
extras/tests/Misc/Readers.cpp
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@@ -2,15 +2,15 @@
// Copyright Benoit Blanchon 2014-2019
// MIT License
#include <ArduinoJson.h>
#include <ArduinoJson/Deserialization/Reader.hpp>
#include <catch.hpp>
using namespace ARDUINOJSON_NAMESPACE;
TEST_CASE("StdStreamReader") {
TEST_CASE("Reader<std::istringstream>") {
SECTION("read()") {
std::istringstream src("\x01\xFF");
StdStreamReader reader(src);
Reader<std::istringstream> reader(src);
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
@@ -19,7 +19,7 @@ TEST_CASE("StdStreamReader") {
SECTION("readBytes() all at once") {
std::istringstream src("ABC");
StdStreamReader reader(src);
Reader<std::istringstream> reader(src);
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
@@ -32,7 +32,7 @@ TEST_CASE("StdStreamReader") {
SECTION("readBytes() in two parts") {
std::istringstream src("ABCDEF");
StdStreamReader reader(src);
Reader<std::istringstream> reader(src);
char buffer[12] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
@@ -48,9 +48,9 @@ TEST_CASE("StdStreamReader") {
}
}
TEST_CASE("SafeCharPointerReader") {
TEST_CASE("BoundedReader<const char*>") {
SECTION("read") {
SafeCharPointerReader reader("\x01\xFF", 2);
BoundedReader<const char*> reader("\x01\xFF", 2);
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == -1);
@@ -58,7 +58,7 @@ TEST_CASE("SafeCharPointerReader") {
}
SECTION("readBytes() all at once") {
SafeCharPointerReader reader("ABCD", 3);
BoundedReader<const char*> reader("ABCD", 3);
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
@@ -70,7 +70,7 @@ TEST_CASE("SafeCharPointerReader") {
}
SECTION("readBytes() in two parts") {
SafeCharPointerReader reader("ABCDEF", 6);
BoundedReader<const char*> reader("ABCDEF", 6);
char buffer[8] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
@@ -86,9 +86,9 @@ TEST_CASE("SafeCharPointerReader") {
}
}
TEST_CASE("UnsafeCharPointerReader") {
TEST_CASE("Reader<const char*>") {
SECTION("read()") {
UnsafeCharPointerReader reader("\x01\xFF\x00\x12");
Reader<const char*> reader("\x01\xFF\x00\x12");
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == 0);
@@ -96,7 +96,7 @@ TEST_CASE("UnsafeCharPointerReader") {
}
SECTION("readBytes() all at once") {
UnsafeCharPointerReader reader("ABCD");
Reader<const char*> reader("ABCD");
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 3) == 3);
@@ -108,7 +108,7 @@ TEST_CASE("UnsafeCharPointerReader") {
}
SECTION("readBytes() in two parts") {
UnsafeCharPointerReader reader("ABCDEF");
Reader<const char*> reader("ABCDEF");
char buffer[8] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);

20
extras/tests/MixedConfiguration/enable_progmem_1.cpp
View File

@@ -86,11 +86,11 @@ TEST_CASE("memcpy_P") {
CHECK(dst[3] == 0);
}
TEST_CASE("SafeCharPointerReader") {
using ARDUINOJSON_NAMESPACE::SafeFlashStringReader;
TEST_CASE("BoundedReader<const __FlashStringHelper*>") {
using namespace ARDUINOJSON_NAMESPACE;
SECTION("read") {
SafeFlashStringReader reader(F("\x01\xFF"), 2);
BoundedReader<const __FlashStringHelper*> reader(F("\x01\xFF"), 2);
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == -1);
@@ -98,7 +98,7 @@ TEST_CASE("SafeCharPointerReader") {
}
SECTION("readBytes() all at once") {
SafeFlashStringReader reader(F("ABCD"), 3);
BoundedReader<const __FlashStringHelper*> reader(F("ABCD"), 3);
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 4) == 3);
@@ -110,7 +110,7 @@ TEST_CASE("SafeCharPointerReader") {
}
SECTION("readBytes() in two parts") {
SafeFlashStringReader reader(F("ABCDEF"), 6);
BoundedReader<const __FlashStringHelper*> reader(F("ABCDEF"), 6);
char buffer[8] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);
@@ -126,11 +126,11 @@ TEST_CASE("SafeCharPointerReader") {
}
}
TEST_CASE("UnsafeFlashStringReader") {
using ARDUINOJSON_NAMESPACE::UnsafeFlashStringReader;
TEST_CASE("Reader<const __FlashStringHelper*>") {
using namespace ARDUINOJSON_NAMESPACE;
SECTION("read()") {
UnsafeFlashStringReader reader(F("\x01\xFF\x00\x12"));
Reader<const __FlashStringHelper*> reader(F("\x01\xFF\x00\x12"));
REQUIRE(reader.read() == 0x01);
REQUIRE(reader.read() == 0xFF);
REQUIRE(reader.read() == 0);
@@ -138,7 +138,7 @@ TEST_CASE("UnsafeFlashStringReader") {
}
SECTION("readBytes() all at once") {
UnsafeFlashStringReader reader(F("ABCD"));
Reader<const __FlashStringHelper*> reader(F("ABCD"));
char buffer[8] = "abcd";
REQUIRE(reader.readBytes(buffer, 3) == 3);
@@ -150,7 +150,7 @@ TEST_CASE("UnsafeFlashStringReader") {
}
SECTION("readBytes() in two parts") {
UnsafeFlashStringReader reader(F("ABCDEF"));
Reader<const __FlashStringHelper*> reader(F("ABCDEF"));
char buffer[8] = "abcdefg";
REQUIRE(reader.readBytes(buffer, 4) == 4);

13
extras/tests/MsgPackDeserializer/input_types.cpp
View File

@@ -5,6 +5,8 @@
#include <ArduinoJson.h>
#include <catch.hpp>
#include "CustomReader.hpp"
TEST_CASE("deserializeMsgPack(const std::string&)") {
DynamicJsonDocument doc(4096);
@@ -80,3 +82,14 @@ TEST_CASE("deserializeMsgPack(VLA)") {
REQUIRE(err == DeserializationError::Ok);
}
#endif
TEST_CASE("deserializeMsgPack(CustomReader)") {
DynamicJsonDocument doc(4096);
CustomReader reader("\x92\xA5Hello\xA5world");
DeserializationError err = deserializeMsgPack(doc, reader);
REQUIRE(err == DeserializationError::Ok);
REQUIRE(doc.size() == 2);
REQUIRE(doc[0] == "Hello");
REQUIRE(doc[1] == "world");
}