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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/non-fmt-panic.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/non-fmt-panic.rs')
-rw-r--r--tests/ui/non-fmt-panic.rs89
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/ui/non-fmt-panic.rs b/tests/ui/non-fmt-panic.rs
new file mode 100644
index 000000000..d0d06b797
--- /dev/null
+++ b/tests/ui/non-fmt-panic.rs
@@ -0,0 +1,89 @@
+// run-rustfix
+// rustfix-only-machine-applicable
+// build-pass (FIXME(62277): should be check-pass)
+// aux-build:fancy-panic.rs
+
+extern crate fancy_panic;
+
+const C: &str = "abc {}";
+static S: &str = "{bla}";
+
+#[allow(unreachable_code)]
+fn main() {
+ panic!("here's a brace: {"); //~ WARN panic message contains a brace
+ unreachable!("here's a brace: {"); //~ WARN panic message contains a brace
+ std::panic!("another one: }"); //~ WARN panic message contains a brace
+ core::panic!("Hello {}"); //~ WARN panic message contains an unused formatting placeholder
+ assert!(false, "{:03x} {test} bla");
+ //~^ WARN panic message contains unused formatting placeholders
+ assert!(false, S);
+ //~^ WARN panic message is not a string literal
+ assert!(false, 123);
+ //~^ WARN panic message is not a string literal
+ assert!(false, Some(123));
+ //~^ WARN panic message is not a string literal
+ debug_assert!(false, "{{}} bla"); //~ WARN panic message contains braces
+ panic!(C); //~ WARN panic message is not a string literal
+ panic!(S); //~ WARN panic message is not a string literal
+ unreachable!(S); //~ WARN panic message is not a string literal
+ unreachable!(S); //~ WARN panic message is not a string literal
+ std::panic!(123); //~ WARN panic message is not a string literal
+ core::panic!(&*"abc"); //~ WARN panic message is not a string literal
+ panic!(Some(123)); //~ WARN panic message is not a string literal
+ panic!(concat!("{", "}")); //~ WARN panic message contains an unused formatting placeholder
+ panic!(concat!("{", "{")); //~ WARN panic message contains braces
+
+ fancy_panic::fancy_panic!("test {} 123");
+ //~^ WARN panic message contains an unused formatting placeholder
+
+ fancy_panic::fancy_panic!(); // OK
+ fancy_panic::fancy_panic!(S); // OK
+
+ macro_rules! a {
+ () => { 123 };
+ }
+
+ panic!(a!()); //~ WARN panic message is not a string literal
+ unreachable!(a!()); //~ WARN panic message is not a string literal
+
+ panic!(format!("{}", 1)); //~ WARN panic message is not a string literal
+ unreachable!(format!("{}", 1)); //~ WARN panic message is not a string literal
+ assert!(false, format!("{}", 1)); //~ WARN panic message is not a string literal
+ debug_assert!(false, format!("{}", 1)); //~ WARN panic message is not a string literal
+
+ panic![123]; //~ WARN panic message is not a string literal
+ panic!{123}; //~ WARN panic message is not a string literal
+
+ // Check that the lint only triggers for std::panic and core::panic,
+ // not any panic macro:
+ macro_rules! panic {
+ ($e:expr) => ();
+ }
+ panic!("{}"); // OK
+ panic!(S); // OK
+
+ a(1);
+ b(1);
+ c(1);
+ d(1);
+}
+
+fn a<T: Send + 'static>(v: T) {
+ panic!(v); //~ WARN panic message is not a string literal
+ assert!(false, v); //~ WARN panic message is not a string literal
+}
+
+fn b<T: std::fmt::Debug + Send + 'static>(v: T) {
+ panic!(v); //~ WARN panic message is not a string literal
+ assert!(false, v); //~ WARN panic message is not a string literal
+}
+
+fn c<T: std::fmt::Display + Send + 'static>(v: T) {
+ panic!(v); //~ WARN panic message is not a string literal
+ assert!(false, v); //~ WARN panic message is not a string literal
+}
+
+fn d<T: std::fmt::Display + std::fmt::Debug + Send + 'static>(v: T) {
+ panic!(v); //~ WARN panic message is not a string literal
+ assert!(false, v); //~ WARN panic message is not a string literal
+}