Add tests

Author: pvdrz

bindgen-tests/tests/expectations/tests/derive-custom-cli.rs

@@ -0,0 +1,14 @@
+// bindgen-flags: --default-enum-style rust --default-non-copy-union-style manually_drop --no-default=".*" --no-hash=".*" --no-partialeq=".*" --no-debug=".*" --no-copy=".*" --with-derive-custom="foo.*=Debug" --with-derive-custom-struct="foo.*=Default" --with-derive-custom-enum="foo.*=Copy" --with-derive-custom-union="foo.*=Hash"
+struct foo_struct {
+    int inner;
+};
+enum foo_enum {
+    inner = 0
+};
+union foo_union {
+    int fst;
+    float snd;
+};
+struct non_matching {
+    int inner;
+};