Merge commit '7ea7cd165ad6705603852771bf82cc2fd6560db5' into clippyup2

[rust.git] / tests / ui / or_fun_call.rs

diff --git a/tests/ui/or_fun_call.rs b/tests/ui/or_fun_call.rs
index 1b4732b5b5646dcb4440c617172729d1a36314f3..522f31b72d01f4d94a590dd179a86c287d1c6db4 100644 (file)
--- a/tests/ui/or_fun_call.rs
+++ b/tests/ui/or_fun_call.rs
@@ -1,7 +1,11 @@
+// run-rustfix
+
 #![warn(clippy::or_fun_call)]
+#![allow(dead_code)]
 
 use std::collections::BTreeMap;
 use std::collections::HashMap;
+use std::time::Duration;
 
 /// Checks implementation of the `OR_FUN_CALL` lint.
 fn or_fun_call() {
@@ -24,8 +28,8 @@ fn make<T>() -> T {
     let with_enum = Some(Enum::A(1));
     with_enum.unwrap_or(Enum::A(5));
 
-    let with_const_fn = Some(::std::time::Duration::from_secs(1));
-    with_const_fn.unwrap_or(::std::time::Duration::from_secs(5));
+    let with_const_fn = Some(Duration::from_secs(1));
+    with_const_fn.unwrap_or(Duration::from_secs(5));
 
     let with_constructor = Some(vec![1]);
     with_constructor.unwrap_or(make());
@@ -51,8 +55,6 @@ fn make<T>() -> T {
     let with_vec = Some(vec![1]);
     with_vec.unwrap_or(vec![]);
 
-    // FIXME #944: ~|SUGGESTION with_vec.unwrap_or_else(|| vec![]);
-
     let without_default = Some(Foo);
     without_default.unwrap_or(Foo::new());
 
@@ -70,4 +72,48 @@ fn make<T>() -> T {
     let _ = opt.ok_or(format!("{} world.", hello));
 }
 
+struct Foo(u8);
+struct Bar(String, Duration);
+#[rustfmt::skip]
+fn test_or_with_ctors() {
+    let opt = Some(1);
+    let opt_opt = Some(Some(1));
+    // we also test for const promotion, this makes sure we don't hit that
+    let two = 2;
+
+    let _ = opt_opt.unwrap_or(Some(2));
+    let _ = opt_opt.unwrap_or(Some(two));
+    let _ = opt.ok_or(Some(2));
+    let _ = opt.ok_or(Some(two));
+    let _ = opt.ok_or(Foo(2));
+    let _ = opt.ok_or(Foo(two));
+    let _ = opt.or(Some(2));
+    let _ = opt.or(Some(two));
+
+    let _ = Some("a".to_string()).or(Some("b".to_string()));
+
+    let b = "b".to_string();
+    let _ = Some(Bar("a".to_string(), Duration::from_secs(1)))
+        .or(Some(Bar(b, Duration::from_secs(2))));
+
+    let vec = vec!["foo"];
+    let _ = opt.ok_or(vec.len());
+
+    let array = ["foo"];
+    let _ = opt.ok_or(array.len());
+
+    let slice = &["foo"][..];
+    let _ = opt.ok_or(slice.len());
+}
+
+// Issue 4514 - early return
+fn f() -> Option<()> {
+    let a = Some(1);
+    let b = 1i32;
+
+    let _ = a.unwrap_or(b.checked_mul(3)?.min(240));
+
+    Some(())
+}
+
 fn main() {}