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Added tests for DeserializationError::f_str()

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This commit is contained in:
Benoit Blanchon
2020-09-18 09:37:59 +02:00
parent 6a878ee444
commit c3504ddf0a
4 changed files with 48 additions and 12 deletions
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9
extras/tests/Helpers/progmem_emulation.hpp
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@ -24,6 +24,11 @@ inline uint8_t pgm_read_byte(const void* p) {
return *reinterpret_cast<const uint8_t*>(convertFlashToPtr(p)); return *reinterpret_cast<const uint8_t*>(convertFlashToPtr(p));
} }
inline const void* pgm_read_ptr(const void* p) { inline void* pgm_read_ptr(const void* p) {
return *reinterpret_cast<const void* const*>(convertFlashToPtr(p)); return *reinterpret_cast<void* const*>(convertFlashToPtr(p));
} }
#define ARDUINOJSON_DEFINE_PROGMEM_ARRAY(type, name, value) \
static type const ARDUINOJSON_CONCAT2(name, _progmem)[] = value; \
static type const* name = reinterpret_cast<type const*>( \
convertPtrToFlash(ARDUINOJSON_CONCAT2(name, _progmem)));

19
extras/tests/MixedConfiguration/enable_progmem_1.cpp
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@ -165,3 +165,22 @@ TEST_CASE("Reader<const __FlashStringHelper*>") {
REQUIRE(buffer[6] == 'g'); REQUIRE(buffer[6] == 'g');
} }
} }
static void testStringification(DeserializationError error,
std::string expected) {
const __FlashStringHelper* s = error.f_str();
CHECK(reinterpret_cast<const char*>(convertFlashToPtr(s)) == expected);
}
#define TEST_STRINGIFICATION(symbol) \
testStringification(DeserializationError::symbol, #symbol)
TEST_CASE("DeserializationError::f_str()") {
TEST_STRINGIFICATION(Ok);
TEST_STRINGIFICATION(EmptyInput);
TEST_STRINGIFICATION(IncompleteInput);
TEST_STRINGIFICATION(InvalidInput);
TEST_STRINGIFICATION(NoMemory);
TEST_STRINGIFICATION(NotSupported);
TEST_STRINGIFICATION(TooDeep);
}

22
src/ArduinoJson/Deserialization/DeserializationError.hpp
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@ -86,18 +86,20 @@ class DeserializationError {
return messages[_code]; return messages[_code];
} }
#define ARDUINOJSON_EXPAND7(a, b, c, d, e, f, g) a, b, c, d, e, f, g
#if ARDUINOJSON_ENABLE_PROGMEM #if ARDUINOJSON_ENABLE_PROGMEM
const __FlashStringHelper* f_str() const { const __FlashStringHelper* f_str() const {
static const char s0[] PROGMEM = "Ok"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s0, "Ok");
static const char s1[] PROGMEM = "EmptyInput"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s1, "EmptyInput");
static const char s2[] PROGMEM = "IncompleteInput"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s2, "IncompleteInput");
static const char s3[] PROGMEM = "InvalidInput"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s3, "InvalidInput");
static const char s4[] PROGMEM = "NoMemory"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s4, "NoMemory");
static const char s5[] PROGMEM = "NotSupported"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s5, "NotSupported");
static const char s6[] PROGMEM = "TooDeep"; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(char, s6, "TooDeep");
static const char* const messages[] PROGMEM = {s0, s1, s2, s3, s4, s5, s6}; ARDUINOJSON_DEFINE_PROGMEM_ARRAY(
ARDUINOJSON_ASSERT(static_cast<size_t>(_code) < const char*, messages,
sizeof(messages) / sizeof(messages[0])); ARDUINOJSON_EXPAND7({s0, s1, s2, s3, s4, s5, s6}));
return reinterpret_cast<const __FlashStringHelper*>( return reinterpret_cast<const __FlashStringHelper*>(
pgm_read_ptr(messages + _code)); pgm_read_ptr(messages + _code));
} }

10
src/ArduinoJson/Polyfills/pgmspace.hpp
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@ -76,3 +76,13 @@ inline void* memcpy_P(void* dst, ARDUINOJSON_NAMESPACE::pgm_p src, size_t n) {
return dst; return dst;
} }
#endif #endif
#ifndef ARDUINOJSON_DEFINE_PROGMEM_ARRAY
#ifdef PROGMEM
#define ARDUINOJSON_DEFINE_PROGMEM_ARRAY(type, name, value) \
static type const name[] PROGMEM = value;
#else
#define ARDUINOJSON_DEFINE_PROGMEM_ARRAY(type, name, value) \
static type const name[] = value;
#endif
#endif