Added unit tests on multi-dimensional arrays to isolate the bug

tests/TestArrays.cpp

@@ -0,0 +1,77 @@
+#include "CppUnitTest.h"
+#include "JsonParser.h"
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+
+namespace ArduinoJsonParserTests
+{
+	TEST_CLASS(TestArrays)
+	{
+		JsonParser<32> parser;
+
+	public:
+		
+		TEST_METHOD(OneDimensionArray)
+		{
+			char json [] = "[0,0]";
+
+			JsonArray array = parser.parseArray(json);
+			Assert::IsTrue(array.success());
+			Assert::AreEqual(2, array.getLength());
+
+			for (int i = 0; i < 2; i++)
+			{
+				Assert::AreEqual(0L, array.getLong(i));
+			}
+		}
+
+		TEST_METHOD(TwoDimensionArray)
+		{
+			char json[] = "[[0,0],[0,0]]";
+
+			JsonArray array1 = parser.parseArray(json);
+			Assert::IsTrue(array1.success());
+			Assert::AreEqual(2, array1.getLength());
+
+			for (int i = 0; i < 2; i++)
+			{
+				JsonArray array2 = array1.getArray(i);
+
+				Assert::AreEqual(2, array2.getLength());
+
+				for (int j = 0; j < 2; j++)
+				{
+					Assert::AreEqual(0L, array2.getLong(j));
+				}
+			}
+		}
+
+		TEST_METHOD(TreeDimensionArray)
+		{
+			char json[] = "[[[0,0],[0,0]],[[0,0],[0,0]]]]";
+
+			JsonArray array1 = parser.parseArray(json);
+			Assert::IsTrue(array1.success());
+			Assert::AreEqual(2, array1.getLength());
+
+			for (int i = 0; i < 2; i++)
+			{
+				JsonArray array2 = array1.getArray(i);
+
+				Assert::AreEqual(2, array2.getLength());
+
+				for (int j = 0; j < 2; j++)
+				{
+					JsonArray array3 = array2.getArray(j);
+
+					Assert::AreEqual(2, array3.getLength());
+
+					for (int k = 0; k < 2; k++)
+					{
+						Assert::AreEqual(0L, array3.getLong(k));
+					}
+				}
+			}
+		}
+	};
+}