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Added JsonVariant::is<JsonVariant>() (issue #1412)

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This commit is contained in:
Benoit Blanchon
2021-02-23 08:39:58 +01:00
parent b1eb273d5b
commit 05498aa178
3 changed files with 55 additions and 0 deletions
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1
CHANGELOG.md
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@@ -9,6 +9,7 @@ HEAD
* `deserializeMsgPack()` inserts `null` instead of returning `NotSupported`
* Removed `DeserializationError::NotSupported`
* Added `JsonVariant::is<JsonArrayConst/JsonObjectConst>()` (issue #1412)
* Added `JsonVariant::is<JsonVariant>()` (issue #1412)
> ### BREAKING CHANGES
>

45
extras/tests/JsonVariant/is.cpp
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@@ -11,7 +11,22 @@ TEST_CASE("JsonVariant::is<T>()") {
DynamicJsonDocument doc(4096);
JsonVariant variant = doc.to<JsonVariant>();
SECTION("undefined") {
variant = JsonVariant();
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonArray>() == false);
CHECK(variant.is<JsonVariant>() == false);
CHECK(variant.is<bool>() == false);
CHECK(variant.is<char *>() == false);
CHECK(variant.is<int>() == false);
CHECK(variant.is<std::string>() == false);
CHECK(variant.is<float>() == false);
CHECK(variant.is<MYENUM2>() == false);
}
SECTION("null") {
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonArray>() == false);
CHECK(variant.is<bool>() == false);
@@ -26,6 +41,7 @@ TEST_CASE("JsonVariant::is<T>()") {
variant.set(true);
CHECK(variant.is<bool>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonArray>() == false);
CHECK(variant.is<char *>() == false);
@@ -39,6 +55,7 @@ TEST_CASE("JsonVariant::is<T>()") {
variant.set(false);
CHECK(variant.is<bool>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonArray>() == false);
CHECK(variant.is<char *>() == false);
@@ -57,6 +74,7 @@ TEST_CASE("JsonVariant::is<T>()") {
CHECK(variant.is<double>() == true);
CHECK(variant.is<float>() == true);
CHECK(variant.is<MYENUM2>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<bool>() == false);
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonArray>() == false);
@@ -69,6 +87,7 @@ TEST_CASE("JsonVariant::is<T>()") {
CHECK(variant.is<double>() == true);
CHECK(variant.is<float>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<bool>() == false);
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonArray>() == false);
@@ -84,6 +103,7 @@ TEST_CASE("JsonVariant::is<T>()") {
CHECK(variant.is<char *>() == true);
CHECK(variant.is<const char *>() == true);
CHECK(variant.is<std::string>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<double>() == false);
CHECK(variant.is<float>() == false);
CHECK(variant.is<bool>() == false);
@@ -98,6 +118,7 @@ TEST_CASE("JsonVariant::is<T>()") {
CHECK(variant.is<JsonArray>() == true);
CHECK(variant.is<JsonArrayConst>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<JsonObject>() == false);
CHECK(variant.is<JsonObjectConst>() == false);
CHECK(variant.is<int>() == false);
@@ -112,6 +133,7 @@ TEST_CASE("JsonVariant::is<T>()") {
CHECK(variant.is<JsonObject>() == true);
CHECK(variant.is<JsonObjectConst>() == true);
CHECK(variant.is<JsonVariant>() == true);
CHECK(variant.is<JsonArray>() == false);
CHECK(variant.is<JsonArrayConst>() == false);
CHECK(variant.is<int>() == false);
@@ -119,6 +141,7 @@ TEST_CASE("JsonVariant::is<T>()") {
CHECK(variant.is<bool>() == false);
CHECK(variant.is<char *>() == false);
CHECK(variant.is<MYENUM2>() == false);
CHECK(variant.is<JsonVariant>() == true);
}
}
@@ -127,9 +150,24 @@ TEST_CASE("JsonVariantConst::is<T>()") {
JsonVariant variant = doc.to<JsonVariant>();
JsonVariantConst cvariant = variant;
SECTION("undefined") {
cvariant = JsonVariantConst();
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonArray>() == false);
CHECK(cvariant.is<JsonVariant>() == false);
CHECK(cvariant.is<bool>() == false);
CHECK(cvariant.is<char *>() == false);
CHECK(cvariant.is<int>() == false);
CHECK(cvariant.is<std::string>() == false);
CHECK(cvariant.is<float>() == false);
CHECK(cvariant.is<MYENUM2>() == false);
}
SECTION("null") {
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonArray>() == false);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<bool>() == false);
CHECK(cvariant.is<char *>() == false);
CHECK(cvariant.is<int>() == false);
@@ -142,6 +180,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
variant.set(true);
CHECK(cvariant.is<bool>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonArray>() == false);
CHECK(cvariant.is<char *>() == false);
@@ -155,6 +194,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
variant.set(false);
CHECK(cvariant.is<bool>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonArray>() == false);
CHECK(cvariant.is<char *>() == false);
@@ -173,6 +213,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
CHECK(cvariant.is<double>() == true);
CHECK(cvariant.is<float>() == true);
CHECK(cvariant.is<MYENUM2>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<bool>() == false);
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonArray>() == false);
@@ -185,6 +226,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
CHECK(cvariant.is<double>() == true);
CHECK(cvariant.is<float>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<bool>() == false);
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonArray>() == false);
@@ -200,6 +242,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
CHECK(cvariant.is<char *>() == true);
CHECK(cvariant.is<const char *>() == true);
CHECK(cvariant.is<std::string>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<double>() == false);
CHECK(cvariant.is<float>() == false);
CHECK(cvariant.is<bool>() == false);
@@ -214,6 +257,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
CHECK(cvariant.is<JsonArray>() == true);
CHECK(cvariant.is<JsonArrayConst>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<JsonObject>() == false);
CHECK(cvariant.is<JsonObjectConst>() == false);
CHECK(cvariant.is<int>() == false);
@@ -228,6 +272,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
CHECK(cvariant.is<JsonObject>() == true);
CHECK(cvariant.is<JsonObjectConst>() == true);
CHECK(cvariant.is<JsonVariant>() == true);
CHECK(cvariant.is<JsonArray>() == false);
CHECK(cvariant.is<JsonArrayConst>() == false);
CHECK(cvariant.is<int>() == false);

9
src/ArduinoJson/Variant/VariantRef.hpp
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@@ -112,6 +112,15 @@ class VariantRefBase : public VariantTag {
is() const {
return variantIsObject(_data);
}
//
// bool is<VariantRef> const;
// bool is<const VariantRef> const;
template <typename T>
FORCE_INLINE typename enable_if<
is_same<typename remove_const<T>::type, VariantRef>::value, bool>::type
is() const {
return !!_data;
}
#if ARDUINOJSON_HAS_NULLPTR
//
// bool is<nullptr_t> const;