Add tests for String move

Author: leg0

test/CMakeLists.txt

@@ -66,6 +66,7 @@ set(TEST_SRCS
   src/String/test_indexOf.cpp
   src/String/test_lastIndexOf.cpp
   src/String/test_length.cpp
+  src/String/test_move.cpp
   src/String/test_remove.cpp
   src/String/test_replace.cpp
   src/String/test_String.cpp

test/src/String/test_move.cpp

@@ -0,0 +1,37 @@
+#include <catch.hpp>
+
+#include <String.h>
+
+#include "StringPrinter.h"
+
+#include <utility>
+
+TEST_CASE("Testing String move constructor", "[String-move-01]")
+{
+    arduino::String a("src");
+    char const* const a_str = a.c_str();
+    arduino::String b(std::move(a));
+    REQUIRE(a.length() == 0);
+    REQUIRE(a.c_str() == nullptr);
+    REQUIRE(b.c_str() == a_str);
+    REQUIRE(b.length() == 3);
+}
+
+TEST_CASE("Testing String move assignment", "[String-move-02]")
+{
+    arduino::String a("src");
+    char const* const a_str = a.c_str();
+    arduino::String b;
+    b = std::move(a);
+    REQUIRE(a.length() == 0);
+    REQUIRE(a.c_str() == nullptr);
+    REQUIRE(b == arduino::String("src"));
+    REQUIRE(b.c_str() == a_str);
+}
+
+TEST_CASE("Testing String move self assignment", "[String-move-03]")
+{
+    arduino::String a("src");
+    a = std::move(a);
+    REQUIRE(a == "src");
+}