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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/packed/packed-struct-vec.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/packed/packed-struct-vec.rs')
-rw-r--r--tests/ui/packed/packed-struct-vec.rs120
1 files changed, 120 insertions, 0 deletions
diff --git a/tests/ui/packed/packed-struct-vec.rs b/tests/ui/packed/packed-struct-vec.rs
new file mode 100644
index 00000000000..18676cfc22e
--- /dev/null
+++ b/tests/ui/packed/packed-struct-vec.rs
@@ -0,0 +1,120 @@
+// run-pass
+
+use std::fmt;
+use std::mem;
+
+#[repr(packed)]
+#[derive(Copy, Clone)]
+struct Foo1 {
+    bar: u8,
+    baz: u64
+}
+
+impl PartialEq for Foo1 {
+    fn eq(&self, other: &Foo1) -> bool {
+        self.bar == other.bar && self.baz == other.baz
+    }
+}
+
+impl fmt::Debug for Foo1 {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let bar = self.bar;
+        let baz = self.baz;
+
+        f.debug_struct("Foo1")
+            .field("bar", &bar)
+            .field("baz", &baz)
+            .finish()
+    }
+}
+
+#[repr(packed(2))]
+#[derive(Copy, Clone)]
+struct Foo2 {
+    bar: u8,
+    baz: u64
+}
+
+impl PartialEq for Foo2 {
+    fn eq(&self, other: &Foo2) -> bool {
+        self.bar == other.bar && self.baz == other.baz
+    }
+}
+
+impl fmt::Debug for Foo2 {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let bar = self.bar;
+        let baz = self.baz;
+
+        f.debug_struct("Foo2")
+            .field("bar", &bar)
+            .field("baz", &baz)
+            .finish()
+    }
+}
+
+#[repr(C, packed(4))]
+#[derive(Copy, Clone)]
+struct Foo4C {
+    bar: u8,
+    baz: u64
+}
+
+impl PartialEq for Foo4C {
+    fn eq(&self, other: &Foo4C) -> bool {
+        self.bar == other.bar && self.baz == other.baz
+    }
+}
+
+impl fmt::Debug for Foo4C {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let bar = self.bar;
+        let baz = self.baz;
+
+        f.debug_struct("Foo4C")
+            .field("bar", &bar)
+            .field("baz", &baz)
+            .finish()
+    }
+}
+
+pub fn main() {
+    let foo1s = [Foo1 { bar: 1, baz: 2 }; 10];
+
+    assert_eq!(mem::align_of::<[Foo1; 10]>(), 1);
+    assert_eq!(mem::size_of::<[Foo1; 10]>(), 90);
+
+    for i in 0..10 {
+        assert_eq!(foo1s[i], Foo1 { bar: 1, baz: 2});
+    }
+
+    for &foo in &foo1s {
+        assert_eq!(foo, Foo1 { bar: 1, baz: 2 });
+    }
+
+    let foo2s = [Foo2 { bar: 1, baz: 2 }; 10];
+
+    assert_eq!(mem::align_of::<[Foo2; 10]>(), 2);
+    assert_eq!(mem::size_of::<[Foo2; 10]>(), 100);
+
+    for i in 0..10 {
+        assert_eq!(foo2s[i], Foo2 { bar: 1, baz: 2});
+    }
+
+    for &foo in &foo2s {
+        assert_eq!(foo, Foo2 { bar: 1, baz: 2 });
+    }
+
+    let foo4s = [Foo4C { bar: 1, baz: 2 }; 10];
+
+    assert_eq!(mem::align_of::<[Foo4C; 10]>(), 4);
+    assert_eq!(mem::size_of::<[Foo4C; 10]>(), 120);
+
+    for i in 0..10 {
+        assert_eq!(foo4s[i], Foo4C { bar: 1, baz: 2});
+    }
+
+    for &foo in &foo4s {
+        assert_eq!(foo, Foo4C { bar: 1, baz: 2 });
+    }
+}