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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs')
-rw-r--r--src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs b/src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs
new file mode 100644
index 000000000..a78b897d1
--- /dev/null
+++ b/src/test/run-pass-valgrind/unsized-locals/by-value-trait-objects-rust-call2.rs
@@ -0,0 +1,69 @@
+#![feature(unsized_locals)]
+#![feature(unboxed_closures)]
+
+pub trait FnOnce<Args> {
+ type Output;
+ extern "rust-call" fn call_once(self, args: Args) -> Self::Output;
+}
+
+struct A;
+
+impl FnOnce<(String, Box<str>)> for A {
+ type Output = String;
+ extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output {
+ assert_eq!(&s1 as &str, "s1");
+ assert_eq!(&s2 as &str, "s2");
+ format!("hello")
+ }
+}
+
+struct B(i32);
+
+impl FnOnce<(String, Box<str>)> for B {
+ type Output = String;
+ extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output {
+ assert_eq!(&s1 as &str, "s1");
+ assert_eq!(&s2 as &str, "s2");
+ format!("{}", self.0)
+ }
+}
+
+struct C(String);
+
+impl FnOnce<(String, Box<str>)> for C {
+ type Output = String;
+ extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output {
+ assert_eq!(&s1 as &str, "s1");
+ assert_eq!(&s2 as &str, "s2");
+ self.0
+ }
+}
+
+struct D(Box<String>);
+
+impl FnOnce<(String, Box<str>)> for D {
+ type Output = String;
+ extern "rust-call" fn call_once(self, (s1, s2): (String, Box<str>)) -> Self::Output {
+ assert_eq!(&s1 as &str, "s1");
+ assert_eq!(&s2 as &str, "s2");
+ *self.0
+ }
+}
+
+
+fn main() {
+ let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str());
+ let x = *(Box::new(A) as Box<dyn FnOnce<(String, Box<str>), Output = String>>);
+ assert_eq!(x.call_once((s1, s2)), format!("hello"));
+ let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str());
+ let x = *(Box::new(B(42)) as Box<dyn FnOnce<(String, Box<str>), Output = String>>);
+ assert_eq!(x.call_once((s1, s2)), format!("42"));
+ let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str());
+ let x = *(Box::new(C(format!("jumping fox")))
+ as Box<dyn FnOnce<(String, Box<str>), Output = String>>);
+ assert_eq!(x.call_once((s1, s2)), format!("jumping fox"));
+ let (s1, s2) = (format!("s1"), format!("s2").into_boxed_str());
+ let x = *(Box::new(D(Box::new(format!("lazy dog"))))
+ as Box<dyn FnOnce<(String, Box<str>), Output = String>>);
+ assert_eq!(x.call_once((s1, s2)), format!("lazy dog"));
+}