utest: + array,vector printers

utest/array.test.cpp

@@ -0,0 +1,40 @@
+/* @file array.test.cpp */
+
+#include "indentlog/print/array.hpp"  /* overload operator<< for std::array */
+#include "indentlog/print/tag.hpp"
+#include <catch2/catch.hpp>
+#include <sstream>
+
+using namespace xo;
+
+namespace ut {
+    TEST_CASE("array", "[array]") {
+        tag_config::tag_color = color_spec_type::none();
+
+        {
+            std::array<int, 0> x = {};
+            std::stringstream ss;
+            ss << x;
+
+            REQUIRE(ss.str() == "[]");
+        }
+
+        {
+            std::array<int, 1> x = {1};
+            std::stringstream ss;
+            ss << x;
+
+            REQUIRE(ss.str() == "[1]");
+        }
+
+        {
+            std::array<int, 2> x = {1, 2};
+            std::stringstream ss;
+            ss << x;
+
+            REQUIRE(ss.str() == "[1 2]");
+        }
+    }
+} /*namespace ut*/
+
+/* end array.test.cpp */