Renamed undocumented function isUndefined() to isUnbound()

extras/tests/JsonArray/CMakeLists.txt

@@ -17,7 +17,7 @@ add_executable(JsonArrayTests
 	size.cpp
 	std_string.cpp
 	subscript.cpp
-	undefined.cpp
+	unbound.cpp
 )
 
 add_test(JsonArray JsonArrayTests)

extras/tests/JsonArray/unbound.cpp

@@ -7,7 +7,7 @@
 
 using namespace Catch::Matchers;
 
-TEST_CASE("Undefined JsonArray") {
+TEST_CASE("Unbound JsonArray") {
   JsonArray array;
 
   SECTION("SubscriptFails") {

extras/tests/JsonVariant/CMakeLists.txt

@@ -22,7 +22,7 @@ add_executable(JsonVariantTests
 	set.cpp
 	subscript.cpp
 	types.cpp
-	undefined.cpp
+	unbound.cpp
 )
 
 add_test(JsonVariant JsonVariantTests)

extras/tests/JsonVariant/copy.cpp

@@ -89,7 +89,7 @@ TEST_CASE("JsonVariant::set(JsonVariant)") {
 
     unboundVariant.set(var1);
 
-    REQUIRE(unboundVariant.isUndefined());
+    REQUIRE(unboundVariant.isUnbound());
     REQUIRE(unboundVariant.isNull());
   }
 }

extras/tests/JsonVariant/is.cpp

@@ -11,7 +11,7 @@ TEST_CASE("JsonVariant::is<T>()") {
   DynamicJsonDocument doc(4096);
   JsonVariant variant = doc.to<JsonVariant>();
 
-  SECTION("undefined") {
+  SECTION("unbound") {
     variant = JsonVariant();
 
     CHECK(variant.is<JsonObject>() == false);
@@ -168,7 +168,7 @@ TEST_CASE("JsonVariantConst::is<T>()") {
   JsonVariant variant = doc.to<JsonVariant>();
   JsonVariantConst cvariant = variant;
 
-  SECTION("undefined") {
+  SECTION("unbound") {
     cvariant = JsonVariantConst();
 
     CHECK(cvariant.is<JsonArray>() == false);

extras/tests/JsonVariant/or.cpp

@@ -9,30 +9,30 @@ TEST_CASE("JsonVariant::operator|()") {
   DynamicJsonDocument doc(4096);
   JsonVariant variant = doc["value"].to<JsonVariant>();
 
-  SECTION("undefined") {
-    SECTION("undefined | const char*") {
+  SECTION("null") {
+    SECTION("null | const char*") {
       std::string result = variant | "default";
       REQUIRE(result == "default");
     }
 
-    SECTION("undefined | int") {
+    SECTION("null | int") {
       int result = variant | 42;
       REQUIRE(result == 42);
     }
 
-    SECTION("undefined | bool") {
+    SECTION("null | bool") {
       bool result = variant | true;
       REQUIRE(result == true);
     }
 
-    SECTION("undefined | ElementProxy") {
+    SECTION("null | ElementProxy") {
       doc["array"][0] = 42;
 
       JsonVariantConst result = variant | doc["array"][0];
       REQUIRE(result == 42);
     }
 
-    SECTION("undefined | MemberProxy") {
+    SECTION("null | MemberProxy") {
       doc["other"] = 42;
 
       JsonVariantConst result = variant | doc["other"];

extras/tests/JsonVariant/subscript.cpp

@@ -9,7 +9,7 @@ TEST_CASE("JsonVariant::operator[]") {
   DynamicJsonDocument doc(4096);
   JsonVariant var = doc.to<JsonVariant>();
 
-  SECTION("The JsonVariant is undefined") {
+  SECTION("The JsonVariant is null") {
     REQUIRE(0 == var.size());
     REQUIRE(var["0"].isNull());
     REQUIRE(var[0].isNull());
@@ -136,7 +136,7 @@ TEST_CASE("JsonVariantConst::operator[]") {
   JsonVariant var = doc.to<JsonVariant>();
   JsonVariantConst cvar = var;
 
-  SECTION("The JsonVariant is undefined") {
+  SECTION("The JsonVariant is null") {
     REQUIRE(0 == cvar.size());
     REQUIRE(cvar["0"].isNull());
     REQUIRE(cvar[0].isNull());

extras/tests/JsonVariant/unbound.cpp

@@ -5,7 +5,7 @@
 #include <ArduinoJson.h>
 #include <catch.hpp>
 
-TEST_CASE("JsonVariant undefined") {
+TEST_CASE("Unbound JsonVariant") {
   JsonVariant variant;
 
   SECTION("as<T>()") {

extras/tests/MsgPackSerializer/serializeVariant.cpp

@@ -31,7 +31,7 @@ static void checkVariant(T value, const std::string& expected) {
 }
 
 TEST_CASE("serialize MsgPack value") {
-  SECTION("undefined") {
+  SECTION("unbound") {
     checkVariant(JsonVariant(), "\xC0");  // we represent undefined as nil
   }