Merging upstream version 1.75.0+dfsg1.

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

1 files changed, 75 insertions, 0 deletions

diff --git a/vendor/derivative/tests/rustc-deriving-show-2.rs b/vendor/derivative/tests/rustc-deriving-show-2.rs
new file mode 100644
index 000000000..f4c173cb4
--- /dev/null
+++ b/vendor/derivative/tests/rustc-deriving-show-2.rs
@@ -0,0 +1,75 @@
+#![allow(dead_code)]
+#![deny(unused_variables)] // We used to generate warning: unused variable: `f`
+
+#[cfg(feature = "use_core")]
+extern crate core;
+
+#[macro_use]
+extern crate derivative;
+
+use std::fmt;
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+enum A {}
+#[derive(Derivative)]
+#[derivative(Debug)]
+enum B { V1, V2, V3 }
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+enum C { V1(isize), V2(B), V3(String) }
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+enum D { V1{ a: isize } }
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct E;
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct F(isize);
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct G(isize, isize);
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct H { a: isize }
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct I { a: isize, b: isize }
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct J(Custom);
+
+struct Custom;
+impl fmt::Debug for Custom {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "yay")
+    }
+}
+
+trait ToDebug {
+    fn to_show(&self) -> String;
+}
+
+impl<T: fmt::Debug> ToDebug for T {
+    fn to_show(&self) -> String {
+        format!("{:?}", self)
+    }
+}
+
+#[test]
+fn main() {
+    assert_eq!(B::V1.to_show(), "V1".to_string());
+    assert_eq!(B::V2.to_show(), "V2".to_string());
+    assert_eq!(C::V1(3).to_show(), "V1(3)".to_string());
+    assert_eq!(C::V2(B::V2).to_show(), "V2(V2)".to_string());
+    assert_eq!(D::V1{ a: 2 }.to_show(), "V1 { a: 2 }".to_string());
+    assert_eq!(E.to_show(), "E".to_string());
+    assert_eq!(F(3).to_show(), "F(3)".to_string());
+    assert_eq!(G(3, 4).to_show(), "G(3, 4)".to_string());
+    assert_eq!(I{ a: 2, b: 4 }.to_show(), "I { a: 2, b: 4 }".to_string());
+    assert_eq!(J(Custom).to_show(), "J(yay)".to_string());
+}