yaml-cpp: add test do

Closes #37652.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/Library/Formula/yaml-cpp.rb b/Library/Formula/yaml-cpp.rb
index 4a335de1c..15458cfd2 100644
--- a/Library/Formula/yaml-cpp.rb
+++ b/Library/Formula/yaml-cpp.rb
@@ -36,4 +36,17 @@ class YamlCpp < Formula
     system "cmake", ".", *args
     system "make", "install"
   end
+
+  test do
+    (testpath/"test.cpp").write <<-EOS.undent
+      #include <yaml-cpp/yaml.h>
+      int main() {
+        YAML::Node node  = YAML::Load("[0, 0, 0]");
+        node[0] = 1;
+        return 0;
+      }
+    EOS
+    system ENV.cxx, "test.cpp", "-L#{lib}", "-lyaml-cpp", "-o", "test"
+    system "./test"
+  end
 end