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authorCaio <c410.f3r@gmail.com>2024-04-21 15:43:43 -0300
committerCaio <c410.f3r@gmail.com>2024-04-21 15:43:43 -0300
commit3aaa3941fd62fb4aeea559eafe8a6aa6472eb87d (patch)
tree370d74ef8239f923cae41848afd9e71648850de3 /tests/ui/coercion
parentfecb7b43093e4fa59e2d366e88bf0085ce350f29 (diff)
downloadrust-3aaa3941fd62fb4aeea559eafe8a6aa6472eb87d.tar.gz
rust-3aaa3941fd62fb4aeea559eafe8a6aa6472eb87d.zip
Move some tests
Diffstat (limited to 'tests/ui/coercion')
-rw-r--r--tests/ui/coercion/issue-32122-1.fixed17
-rw-r--r--tests/ui/coercion/issue-32122-1.rs17
-rw-r--r--tests/ui/coercion/issue-32122-1.stderr18
-rw-r--r--tests/ui/coercion/issue-32122-2.fixed28
-rw-r--r--tests/ui/coercion/issue-32122-2.rs28
-rw-r--r--tests/ui/coercion/issue-32122-2.stderr18
6 files changed, 126 insertions, 0 deletions
diff --git a/tests/ui/coercion/issue-32122-1.fixed b/tests/ui/coercion/issue-32122-1.fixed
new file mode 100644
index 00000000000..abcef9fcbd9
--- /dev/null
+++ b/tests/ui/coercion/issue-32122-1.fixed
@@ -0,0 +1,17 @@
+//@ run-rustfix
+use std::ops::Deref;
+
+struct Foo(u8);
+
+impl Deref for Foo {
+    type Target = u8;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+fn main() {
+    let a = Foo(0);
+    // Should suggest `&*` when coercing &ty to *const ty
+    let _: *const u8 = &*a; //~ ERROR mismatched types
+}
diff --git a/tests/ui/coercion/issue-32122-1.rs b/tests/ui/coercion/issue-32122-1.rs
new file mode 100644
index 00000000000..920ec348419
--- /dev/null
+++ b/tests/ui/coercion/issue-32122-1.rs
@@ -0,0 +1,17 @@
+//@ run-rustfix
+use std::ops::Deref;
+
+struct Foo(u8);
+
+impl Deref for Foo {
+    type Target = u8;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+fn main() {
+    let a = Foo(0);
+    // Should suggest `&*` when coercing &ty to *const ty
+    let _: *const u8 = &a; //~ ERROR mismatched types
+}
diff --git a/tests/ui/coercion/issue-32122-1.stderr b/tests/ui/coercion/issue-32122-1.stderr
new file mode 100644
index 00000000000..ae5dffe1fad
--- /dev/null
+++ b/tests/ui/coercion/issue-32122-1.stderr
@@ -0,0 +1,18 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-32122-1.rs:16:24
+   |
+LL |     let _: *const u8 = &a;
+   |            ---------   ^^ expected `*const u8`, found `&Foo`
+   |            |
+   |            expected due to this
+   |
+   = note: expected raw pointer `*const u8`
+                found reference `&Foo`
+help: consider dereferencing
+   |
+LL |     let _: *const u8 = &*a;
+   |                         +
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/tests/ui/coercion/issue-32122-2.fixed b/tests/ui/coercion/issue-32122-2.fixed
new file mode 100644
index 00000000000..db406a4c3ac
--- /dev/null
+++ b/tests/ui/coercion/issue-32122-2.fixed
@@ -0,0 +1,28 @@
+//@ run-rustfix
+use std::ops::Deref;
+struct Bar(u8);
+struct Foo(Bar);
+struct Emm(Foo);
+impl Deref for Bar{
+    type Target = u8;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl Deref for Foo {
+    type Target = Bar;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl Deref for Emm {
+    type Target = Foo;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+fn main() {
+    let a = Emm(Foo(Bar(0)));
+    // Should suggest `&***` even when deref is pretty deep
+    let _: *const u8 = &***a; //~ ERROR mismatched types
+}
diff --git a/tests/ui/coercion/issue-32122-2.rs b/tests/ui/coercion/issue-32122-2.rs
new file mode 100644
index 00000000000..74242931b4e
--- /dev/null
+++ b/tests/ui/coercion/issue-32122-2.rs
@@ -0,0 +1,28 @@
+//@ run-rustfix
+use std::ops::Deref;
+struct Bar(u8);
+struct Foo(Bar);
+struct Emm(Foo);
+impl Deref for Bar{
+    type Target = u8;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl Deref for Foo {
+    type Target = Bar;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+impl Deref for Emm {
+    type Target = Foo;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+fn main() {
+    let a = Emm(Foo(Bar(0)));
+    // Should suggest `&***` even when deref is pretty deep
+    let _: *const u8 = &a; //~ ERROR mismatched types
+}
diff --git a/tests/ui/coercion/issue-32122-2.stderr b/tests/ui/coercion/issue-32122-2.stderr
new file mode 100644
index 00000000000..eb4327bef62
--- /dev/null
+++ b/tests/ui/coercion/issue-32122-2.stderr
@@ -0,0 +1,18 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-32122-2.rs:27:24
+   |
+LL |     let _: *const u8 = &a;
+   |            ---------   ^^ expected `*const u8`, found `&Emm`
+   |            |
+   |            expected due to this
+   |
+   = note: expected raw pointer `*const u8`
+                found reference `&Emm`
+help: consider dereferencing
+   |
+LL |     let _: *const u8 = &***a;
+   |                         +++
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0308`.