summaryrefslogtreecommitdiffstats
path: root/tests/ui/cast/cast-as-bool.rs
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--tests/ui/cast/cast-as-bool.rs13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/cast/cast-as-bool.rs b/tests/ui/cast/cast-as-bool.rs
new file mode 100644
index 000000000..fbebc80d9
--- /dev/null
+++ b/tests/ui/cast/cast-as-bool.rs
@@ -0,0 +1,13 @@
+fn main() {
+ let u = 5 as bool; //~ ERROR cannot cast as `bool`
+ //~| HELP compare with zero instead
+ //~| SUGGESTION 5 != 0
+
+ let t = (1 + 2) as bool; //~ ERROR cannot cast as `bool`
+ //~| HELP compare with zero instead
+ //~| SUGGESTION (1 + 2) != 0
+
+ let v = "hello" as bool;
+ //~^ ERROR casting `&'static str` as `bool` is invalid
+ //~| HELP consider using the `is_empty` method on `&'static str` to determine if it contains anything
+}