Merging upstream version 1.75.0+dfsg1.

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

1 files changed, 93 insertions, 0 deletions

diff --git a/vendor/derivative/tests/derive-debug-generics.rs b/vendor/derivative/tests/derive-debug-generics.rs
new file mode 100644
index 000000000..97104c1d2
--- /dev/null
+++ b/vendor/derivative/tests/derive-debug-generics.rs
@@ -0,0 +1,93 @@
+#![allow(dead_code)]
+
+#[cfg(feature = "use_core")]
+extern crate core;
+
+#[macro_use]
+extern crate derivative;
+
+use std::marker::PhantomData;
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct Foo<T, U> {
+    foo: T,
+    #[derivative(Debug="ignore")]
+    bar: U,
+}
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct Bar<T, U> (
+    T,
+    #[derivative(Debug="ignore")]
+    U,
+);
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+enum C<T, U> {
+    V1(T),
+    V2(#[derivative(Debug="ignore")] U),
+    V3(String),
+}
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+enum D<U> {
+    V1 {
+        #[derivative(Debug="ignore")]
+        a: U
+    }
+}
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct F<U>(#[derivative(Debug="ignore")] U);
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct G<U>(isize, #[derivative(Debug="ignore")] U);
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct J<U>(#[derivative(Debug="ignore")] U);
+
+struct NoDebug;
+
+trait ToDebug {
+    fn to_show(&self) -> String;
+}
+
+impl<T: std::fmt::Debug> ToDebug for T {
+    fn to_show(&self) -> String {
+        format!("{:?}", self)
+    }
+}
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct PhantomField<T> {
+    foo: PhantomData<T>,
+}
+
+#[derive(Derivative)]
+#[derivative(Debug)]
+struct PhantomTuple<T> {
+    foo: PhantomData<(T,)>,
+}
+
+#[test]
+fn main() {
+    assert_eq!(Foo { foo: 42, bar: NoDebug }.to_show(), "Foo { foo: 42 }".to_string());
+    assert_eq!(Bar(42, NoDebug).to_show(), "Bar(42)".to_string());
+    assert_eq!(C::V1::<i32, NoDebug>(12).to_show(), "V1(12)".to_string());
+    assert_eq!(C::V2::<i32, NoDebug>(NoDebug).to_show(), "V2".to_string());
+    assert_eq!(C::V3::<i32, NoDebug>("foo".to_string()).to_show(), "V3(\"foo\")".to_string());
+    assert_eq!(D::V1 { a: NoDebug }.to_show(), "V1".to_string());
+    assert_eq!(F(NoDebug).to_show(), "F".to_string());
+    assert_eq!(G(42, NoDebug).to_show(), "G(42)".to_string());
+    assert_eq!(J(NoDebug).to_show(), "J".to_string());
+    assert_eq!(&format!("{:?}", PhantomField::<NoDebug> { foo: Default::default() }), "PhantomField { foo: PhantomData }");
+    assert_eq!(&format!("{:?}", PhantomTuple::<NoDebug> { foo: Default::default() }), "PhantomTuple { foo: PhantomData }");
+}