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Rollup merge of #105063 - aDotInTheVoid:rdj-dont-assume-core, r=notriddle

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Rustdoc Json Tests: Don't assume that core::fmt::Debug will always have one item.

See https://github.com/rust-lang/rust/pull/104525#issuecomment-1330837047 and https://github.com/rust-lang/rust/pull/104525#issuecomment-1331087852 for motivation.

This still assumes that `fmt` is the first method, but thats alot less brittle than assuming it will be the only method.

Sadly, we can't use a aux crate to insulate the tests from core changes, because core is special, so all we can do is try not to depend on things that may change.
This commit is contained in:
Matthias Krüger
2022-11-30 19:53:18 +01:00
committed by GitHub
parent eabc0720a6 928622812c
commit cbf1a0ed3a
1 changed files with 6 additions and 1 deletions
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src/test/rustdoc-json/traits/uses_extern_trait.rs
+6 -1
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@@ -3,5 +3,10 @@ pub fn drop_default<T: core::default::Default>(_x: T) {}
// FIXME(adotinthevoid): Theses shouldn't be here
// @has "$.index[*][?(@.name=='Debug')]"
// @set Debug_fmt = "$.index[*][?(@.name=='Debug')].inner.items[*]"
// Debug may have several items. All we depend on here the that `fmt` is first. See
// https://github.com/rust-lang/rust/pull/104525#issuecomment-1331087852 for why we
// can't use [*].
// @set Debug_fmt = "$.index[*][?(@.name=='Debug')].inner.items[0]"
// @has "$.index[*][?(@.name=='fmt')].id" $Debug_fmt