bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'lib/text-size/tests/constructors.rs')
-rw-r--r--lib/text-size/tests/constructors.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/text-size/tests/constructors.rs b/lib/text-size/tests/constructors.rs
new file mode 100644
index 0000000000..9ff4e19c62
--- /dev/null
+++ b/lib/text-size/tests/constructors.rs
@@ -0,0 +1,24 @@
+use text_size::TextSize;
+
+#[derive(Copy, Clone)]
+struct BadRope<'a>(&'a [&'a str]);
+
+impl BadRope<'_> {
+ fn text_len(self) -> TextSize {
+ self.0.iter().copied().map(TextSize::of).sum()
+ }
+}
+
+#[test]
+fn main() {
+ let x: char = 'c';
+ let _ = TextSize::of(x);
+
+ let x: &str = "hello";
+ let _ = TextSize::of(x);
+
+ let x: &String = &"hello".into();
+ let _ = TextSize::of(x);
+
+ let _ = BadRope(&[""]).text_len();
+}