From 43873db3b31b46280287d0797679f04d1407ddee Mon Sep 17 00:00:00 2001 From: Weihang Lo Date: Tue, 2 Sep 2025 18:30:16 -0400 Subject: [PATCH] test(rustdoc): show the wrong `--emit` precedence It should have the same behavior as rustc, which the last wins. --- tests/run-make/rustdoc-dep-info/rmake.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tests/run-make/rustdoc-dep-info/rmake.rs b/tests/run-make/rustdoc-dep-info/rmake.rs index 625f81fd428e..956809909d92 100644 --- a/tests/run-make/rustdoc-dep-info/rmake.rs +++ b/tests/run-make/rustdoc-dep-info/rmake.rs @@ -33,4 +33,17 @@ fn main() { // Now we check that we can provide a file name to the `dep-info` argument. rustdoc().input("lib.rs").arg("-Zunstable-options").emit("dep-info=bla.d").run(); assert!(path("bla.d").exists()); + + // The last emit-type wins. The same behavior as rustc. + // TODO: this shows the wrong behavior as a MRE, which will be fixed in the next commit + rustdoc() + .input("lib.rs") + .arg("-Zunstable-options") + .emit("dep-info=precedence1.d") + .emit("dep-info=precedence2.d") + .emit("dep-info=precedence3.d") + .run(); + assert!(path("precedence1.d").exists()); + assert!(!path("precedence2.d").exists()); + assert!(!path("precedence3.d").exists()); }