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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/specialization/defaultimpl/specialization-trait-item-not-implemented-rpass.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/specialization/defaultimpl/specialization-trait-item-not-implemented-rpass.rs')
-rw-r--r--tests/ui/specialization/defaultimpl/specialization-trait-item-not-implemented-rpass.rs34
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/ui/specialization/defaultimpl/specialization-trait-item-not-implemented-rpass.rs b/tests/ui/specialization/defaultimpl/specialization-trait-item-not-implemented-rpass.rs
new file mode 100644
index 00000000000..89fef5b5ef9
--- /dev/null
+++ b/tests/ui/specialization/defaultimpl/specialization-trait-item-not-implemented-rpass.rs
@@ -0,0 +1,34 @@
+// run-pass
+
+// Tests that we can combine a default impl that supplies one method with a
+// full impl that supplies the other, and they can invoke one another.
+
+#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
+
+trait Foo {
+    fn foo_one(&self) -> &'static str;
+    fn foo_two(&self) -> &'static str;
+    fn foo_three(&self) -> &'static str;
+}
+
+struct MyStruct;
+
+default impl<T> Foo for T {
+    fn foo_one(&self) -> &'static str {
+        self.foo_three()
+    }
+}
+
+impl Foo for MyStruct {
+    fn foo_two(&self) -> &'static str {
+        self.foo_one()
+    }
+
+    fn foo_three(&self) -> &'static str {
+        "generic"
+    }
+}
+
+fn main() {
+    assert!(MyStruct.foo_two() == "generic");
+}