add arduino json lib

#182

lib/ArduinoJson/test/JsonBuffer/parse.cpp

@@ -0,0 +1,80 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+using namespace Catch::Matchers;
+
+TEST_CASE("JsonBuffer::parse()") {
+  DynamicJsonBuffer jb;
+
+  SECTION("EmptyObject") {
+    JsonVariant variant = jb.parse("{}");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<JsonObject>());
+  }
+
+  SECTION("EmptyArray") {
+    JsonVariant variant = jb.parse("[]");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<JsonArray>());
+  }
+
+  SECTION("Integer") {
+    JsonVariant variant = jb.parse("-42");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<int>());
+    REQUIRE_FALSE(variant.is<bool>());
+    REQUIRE(variant == -42);
+  }
+
+  SECTION("Double") {
+    JsonVariant variant = jb.parse("-1.23e+4");
+    REQUIRE(variant.success());
+    REQUIRE_FALSE(variant.is<int>());
+    REQUIRE(variant.is<double>());
+    REQUIRE(variant.as<double>() == Approx(-1.23e+4));
+  }
+
+  SECTION("Double quoted string") {
+    JsonVariant variant = jb.parse("\"hello world\"");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<char*>());
+    REQUIRE_THAT(variant.as<char*>(), Equals("hello world"));
+  }
+
+  SECTION("Single quoted string") {
+    JsonVariant variant = jb.parse("\'hello world\'");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<char*>());
+    REQUIRE_THAT(variant.as<char*>(), Equals("hello world"));
+  }
+
+  SECTION("True") {
+    JsonVariant variant = jb.parse("true");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<bool>());
+    REQUIRE(variant == true);
+  }
+
+  SECTION("False") {
+    JsonVariant variant = jb.parse("false");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<bool>());
+    REQUIRE(variant == false);
+  }
+
+  SECTION("OpenBrace") {
+    JsonVariant variant = jb.parse("{");
+    REQUIRE_FALSE(variant.success());
+  }
+
+  SECTION("Incomplete string") {
+    JsonVariant variant = jb.parse("\"hello");
+    REQUIRE(variant.success());
+    REQUIRE(variant.is<char*>());
+    REQUIRE_THAT(variant.as<char*>(), Equals("hello"));
+  }
+}