Add a test explicitly for default type parameters

This is exercised in other tests, but in a round about fashion. It is nice to
have a test that explicitly exercises default type parameters, without any
cruft.

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/headers/default-template-parameter.hpp b/tests/headers/default-template-parameter.hpp
new file mode 100644
index 00000000..4deed834
--- /dev/null
+++ b/tests/headers/default-template-parameter.hpp
@@ -0,0 +1,7 @@
+template <typename T, typename U = int>
+struct Foo {
+    T t;
+    U u;
+};
+
+static Foo<bool> bar;