From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../class-impl-very-parameterized-trait.rs         | 107 +++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 src/test/ui/structs-enums/class-impl-very-parameterized-trait.rs

(limited to 'src/test/ui/structs-enums/class-impl-very-parameterized-trait.rs')

diff --git a/src/test/ui/structs-enums/class-impl-very-parameterized-trait.rs b/src/test/ui/structs-enums/class-impl-very-parameterized-trait.rs
new file mode 100644
index 000000000..5e7830296
--- /dev/null
+++ b/src/test/ui/structs-enums/class-impl-very-parameterized-trait.rs
@@ -0,0 +1,107 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(non_camel_case_types)]
+
+use std::cmp;
+
+#[derive(Copy, Clone, Debug)]
+enum cat_type { tuxedo, tabby, tortoiseshell }
+
+impl cmp::PartialEq for cat_type {
+    fn eq(&self, other: &cat_type) -> bool {
+        ((*self) as usize) == ((*other) as usize)
+    }
+    fn ne(&self, other: &cat_type) -> bool { !(*self).eq(other) }
+}
+
+// Very silly -- this just returns the value of the name field
+// for any isize value that's less than the meows field
+
+// ok: T should be in scope when resolving the trait ref for map
+struct cat<T> {
+    // Yes, you can have negative meows
+    meows : isize,
+
+    how_hungry : isize,
+    name : T,
+}
+
+impl<T> cat<T> {
+    pub fn speak(&mut self) { self.meow(); }
+
+    pub fn eat(&mut self) -> bool {
+        if self.how_hungry > 0 {
+            println!("OM NOM NOM");
+            self.how_hungry -= 2;
+            return true;
+        } else {
+            println!("Not hungry!");
+            return false;
+        }
+    }
+    fn len(&self) -> usize { self.meows as usize }
+    fn is_empty(&self) -> bool { self.meows == 0 }
+    fn clear(&mut self) {}
+    fn contains_key(&self, k: &isize) -> bool { *k <= self.meows }
+
+    fn find(&self, k: &isize) -> Option<&T> {
+        if *k <= self.meows {
+            Some(&self.name)
+        } else {
+            None
+        }
+    }
+    fn insert(&mut self, k: isize, _: T) -> bool {
+        self.meows += k;
+        true
+    }
+
+    fn find_mut(&mut self, _k: &isize) -> Option<&mut T> { panic!() }
+
+    fn remove(&mut self, k: &isize) -> bool {
+        if self.find(k).is_some() {
+            self.meows -= *k; true
+        } else {
+            false
+        }
+    }
+
+    fn pop(&mut self, _k: &isize) -> Option<T> { panic!() }
+
+    fn swap(&mut self, _k: isize, _v: T) -> Option<T> { panic!() }
+}
+
+impl<T> cat<T> {
+    pub fn get(&self, k: &isize) -> &T {
+        match self.find(k) {
+          Some(v) => { v }
+          None    => { panic!("epic fail"); }
+        }
+    }
+
+    pub fn new(in_x: isize, in_y: isize, in_name: T) -> cat<T> {
+        cat{meows: in_x, how_hungry: in_y, name: in_name }
+    }
+}
+
+impl<T> cat<T> {
+    fn meow(&mut self) {
+        self.meows += 1;
+        println!("Meow {}", self.meows);
+        if self.meows % 5 == 0 {
+            self.how_hungry += 1;
+        }
+    }
+}
+
+pub fn main() {
+    let mut nyan: cat<String> = cat::new(0, 2, "nyan".to_string());
+    for _ in 1_usize..5 { nyan.speak(); }
+    assert_eq!(*nyan.find(&1).unwrap(), "nyan".to_string());
+    assert_eq!(nyan.find(&10), None);
+    let mut spotty: cat<cat_type> = cat::new(2, 57, cat_type::tuxedo);
+    for _ in 0_usize..6 { spotty.speak(); }
+    assert_eq!(spotty.len(), 8);
+    assert!((spotty.contains_key(&2)));
+    assert_eq!(spotty.get(&3), &cat_type::tuxedo);
+}
-- 
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