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test(rustdoc): show the wrong --emit precedence

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It should have the same behavior as rustc, which the last wins.
This commit is contained in:
Weihang Lo
2025-09-02 18:30:16 -04:00
parent a2c8b0b92c
commit 43873db3b3
1 changed files with 13 additions and 0 deletions
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tests/run-make/rustdoc-dep-info/rmake.rs
+13
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@@ -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());
}