tests: Use the appropriate extension for the C++ test

While `.C` is a valid GCC extension for C++ files, it only works for
case sensitive file systems. Let's use `.cpp`, like the rest of the
planet does.

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/cxx-test.cpp b/tests/cxx-test.cpp
new file mode 100644
index 00000000..643bc710
--- /dev/null
+++ b/tests/cxx-test.cpp
@@ -0,0 +1,29 @@
+/* This test makes sure that all Pango headers can be included
+ * and compiled in a C++ program.
+ */
+#define PANGO_ENABLE_ENGINE
+#define PANGO_ENABLE_BACKEND
+
+#include <pango/pango.h>
+
+#ifdef HAVE_WIN32
+#include <pango/pangowin32.h>
+#endif
+
+#ifdef HAVE_XFT
+#include <pango/pangoxft.h>
+#endif
+
+#ifdef HAVE_FREETYPE
+#include <pango/pangoft2.h>
+#endif
+
+#ifdef HAVE_CAIRO
+#include <pango/pangocairo.h>
+#endif
+
+int
+main ()
+{
+  return 0;
+}