Add test to ensure passing `--doctest_compilation_args` multiple times work

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/rustdoc-ui/doctest/rustflags-multiple-args.rs b/tests/rustdoc-ui/doctest/rustflags-multiple-args.rs
new file mode 100644
index 00000000000..8519920e53b
--- /dev/null
+++ b/tests/rustdoc-ui/doctest/rustflags-multiple-args.rs
@@ -0,0 +1,17 @@
+// This test checks that the test behave when `--doctest-compilation-args` is passed
+// multiple times.
+
+//@ check-pass
+//@ compile-flags: --test -Zunstable-options --doctest-compilation-args=--cfg=testcase_must_be_present
+//@ compile-flags: --doctest-compilation-args=--cfg=another
+//@ normalize-stdout-test: "tests/rustdoc-ui/doctest" -> "$$DIR"
+//@ normalize-stdout-test: "finished in \d+\.\d+s" -> "finished in $$TIME"
+
+/// ```
+/// #[cfg(testcase_must_be_present)]
+/// #[cfg(another)]
+/// fn must_be_present() {}
+///
+/// fn main() { must_be_present() }
+/// ```
+pub struct Bar;