Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 85 insertions, 0 deletions

diff --git a/src/test/rustdoc/type-layout.rs b/src/test/rustdoc/type-layout.rs
new file mode 100644
index 000000000..e5c6e9dc3
--- /dev/null
+++ b/src/test/rustdoc/type-layout.rs
@@ -0,0 +1,85 @@
+// compile-flags: --show-type-layout -Z unstable-options
+
+// @has type_layout/struct.Foo.html 'Size: '
+// @has - ' bytes'
+// @has - '//*[@id="layout"]/a[@href="#layout"]' ''
+pub struct Foo {
+    pub a: usize,
+    b: Vec<String>,
+}
+
+// @has type_layout/enum.Bar.html 'Size: '
+// @has - ' bytes'
+pub enum Bar<'a> {
+    A(String),
+    B(&'a str, (std::collections::HashMap<String, usize>, Foo)),
+}
+
+// @has type_layout/union.Baz.html 'Size: '
+// @has - ' bytes'
+pub union Baz {
+    a: &'static str,
+    b: usize,
+    c: &'static [u8],
+}
+
+// @has type_layout/struct.X.html 'Size: '
+// @has - ' bytes'
+pub struct X(usize);
+
+// @has type_layout/struct.Y.html 'Size: '
+// @has - '1 byte'
+// @!has - ' bytes'
+pub struct Y(u8);
+
+// @has type_layout/struct.Z.html 'Size: '
+// @has - '0 bytes'
+pub struct Z;
+
+// We can't compute layout for generic types.
+// @has type_layout/struct.Generic.html 'Unable to compute type layout, possibly due to this type having generic parameters'
+// @!has - 'Size: '
+pub struct Generic<T>(T);
+
+// We *can*, however, compute layout for types that are only generic over lifetimes,
+// because lifetimes are a type-system construct.
+// @has type_layout/struct.GenericLifetimes.html 'Size: '
+// @has - ' bytes'
+pub struct GenericLifetimes<'a>(&'a str);
+
+// @has type_layout/struct.Unsized.html 'Size: '
+// @has - '(unsized)'
+pub struct Unsized([u8]);
+
+// @has type_layout/type.TypeAlias.html 'Size: '
+// @has - ' bytes'
+pub type TypeAlias = X;
+
+// @has type_layout/type.GenericTypeAlias.html 'Size: '
+// @has - '8 bytes'
+pub type GenericTypeAlias = (Generic<(u32, ())>, Generic<u32>);
+
+// Regression test for the rustdoc equivalent of #85103.
+// @has type_layout/type.Edges.html 'Encountered an error during type layout; the type failed to be normalized.'
+pub type Edges<'a, E> = std::borrow::Cow<'a, [E]>;
+
+// @!has type_layout/trait.MyTrait.html 'Size: '
+pub trait MyTrait {}
+
+// @has type_layout/enum.Variants.html 'Size: '
+// @has - '2 bytes'
+// @has - '<code>A</code>: 0 bytes'
+// @has - '<code>B</code>: 1 byte'
+pub enum Variants {
+    A,
+    B(u8),
+}
+
+// @has type_layout/enum.WithNiche.html 'Size: '
+// @has - //p '4 bytes'
+// @has - '<code>None</code>: 0 bytes'
+// @has - '<code>Some</code>: 4 bytes'
+pub enum WithNiche {
+    None,
+    Some(std::num::NonZeroU32),
+}