2 files changed, 39 insertions, 1 deletions
diff --git a/tests/codec.cpp b/tests/codec.cpp
index 439332a..f3e27f5 100644
--- a/tests/codec.cpp
+++ b/tests/codec.cpp
@@ -1,7 +1,7 @@
 #include <forstio/test/suite.h>
 #include <forstio/codec/data.h>
 #include <forstio/codec/simple.h>
-#include <forstio/codec/rpc.h>
+#include <forstio/codec/interface.h>
 
 #include <iostream>
 
diff --git a/tests/tree.cpp b/tests/tree.cpp
new file mode 100644
index 0000000..de6bda6
--- /dev/null
+++ b/tests/tree.cpp
@@ -0,0 +1,38 @@
+#include <forstio/test/suite.h>
+#include <forstio/core/tree.h>
+
+namespace {
+SAW_TEST("Tree insert"){
+	using namespace saw;
+
+	tree_or<int> troi;
+	{
+		// Replace with value
+		auto eor = troi.replace_tree(5);
+
+		SAW_EXPECT(eor.is_value(), "Didn't manage to replace with value");
+	}
+	{
+		// Replace with tree again
+		auto eor = troi.replace_value(tree<int>{});
+
+		SAW_EXPECT(eor.is_value(), "Not a value");
+	}
+}
+
+SAW_TEST("Tree add child"){
+	using namespace saw;
+
+	tree<int> tr;
+	{
+		auto eov = tr.add(10);
+		SAW_EXPECT(eov.is_value(), "Didn't manage to add value");
+	}
+	{
+		auto eov = tr.add();
+		SAW_EXPECT(eov.is_value(), "Didn't manage to add tree");
+		std::size_t index = eov.get_value();
+
+	}
+}
+}