1 files changed, 15 insertions, 6 deletions
diff --git a/test/test-static-stream_support.cpp b/test/test-static-stream_support.cpp
index 3002ccc..6bf9ea4 100644
--- a/test/test-static-stream_support.cpp
+++ b/test/test-static-stream_support.cpp
@@ -1,11 +1,20 @@
 #include "stream_support.h"
 
 #include <array>
+#include <map>
+#include <set>
 #include <vector>
 
-static_assert(spanable<std::vector<int>>);
-static_assert(spanable<std::vector<char>>);
-static_assert(spanable<std::array<int, 1>>);
-static_assert(spanable<std::array<char, 1>>);
-static_assert(!spanable<std::string>);
-static_assert(!spanable<std::string_view>);
+static_assert(NonStringIterableCollection<std::vector<int>>);
+static_assert(NonStringIterableCollection<std::set<int>>);
+static_assert(NonStringIterableCollection<std::map<int, int>>);
+static_assert(NonStringIterableCollection<std::vector<char>>);
+static_assert(NonStringIterableCollection<std::array<int, 1>>);
+static_assert(NonStringIterableCollection<std::array<char, 1>>);
+static_assert(!NonStringIterableCollection<std::string>);
+static_assert(!NonStringIterableCollection<std::string_view>);
+
+static_assert(requires(std::vector<int> i, std::ostream & o) { o << i; });
+static_assert(requires(std::array<int, 10> i, std::ostream & o) { o << i; });
+static_assert(requires(std::set<int> i, std::ostream & o) { o << i; });
+static_assert(requires(std::map<int, int> i, std::ostream & o) { o << i; });