Add a new Flymake test for multiple errors and warnings

* test/lisp/progmodes/flymake-tests.el
(flymake-tests--call-with-fixture): Save excursion.
(errors-and-warnings): New test.

* test/lisp/progmodes/flymake-resources/errors-and-warnings.c:
New test fixture.

1 files changed, 10 insertions, 0 deletions

diff --git a/test/lisp/progmodes/flymake-resources/errors-and-warnings.c b/test/lisp/progmodes/flymake-resources/errors-and-warnings.c
new file mode 100644
index 00000000000..6454dd20236
--- /dev/null
+++ b/test/lisp/progmodes/flymake-resources/errors-and-warnings.c
@@ -0,0 +1,10 @@
+ int main()
+{
+  char c = 1000;
+  int bla;
+  /* The following line should have one warning and one error. The
+     warning spans the full line because gcc (at least 6.3.0) points
+     places the error at the =, which isn't a sexp.*/
+  char c; if (bla == (void*)3);
+  return c;
+}