3 files changed, 77 insertions, 1 deletions
diff --git a/tests/ui/read_line_without_trim.fixed b/tests/ui/read_line_without_trim.fixed
index 5995c8f523e..cb6aab84e49 100644
--- a/tests/ui/read_line_without_trim.fixed
+++ b/tests/ui/read_line_without_trim.fixed
@@ -16,4 +16,21 @@ fn main() {
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).unwrap();
     let _x = input.trim_end().parse::<i32>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let _x = input.trim_end().parse::<u32>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let _x = input.trim_end().parse::<f32>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let _x = input.trim_end().parse::<bool>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    // this is actually ok, so don't lint here
+    let _x = input.parse::<String>().unwrap();
 }
diff --git a/tests/ui/read_line_without_trim.rs b/tests/ui/read_line_without_trim.rs
index 84527b624b6..bdc409a7010 100644
--- a/tests/ui/read_line_without_trim.rs
+++ b/tests/ui/read_line_without_trim.rs
@@ -16,4 +16,21 @@ fn main() {
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).unwrap();
     let _x = input.parse::<i32>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let _x = input.parse::<u32>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let _x = input.parse::<f32>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    let _x = input.parse::<bool>().unwrap();
+
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).unwrap();
+    // this is actually ok, so don't lint here
+    let _x = input.parse::<String>().unwrap();
 }
diff --git a/tests/ui/read_line_without_trim.stderr b/tests/ui/read_line_without_trim.stderr
index f0f7a61e9ff..f3d7b60425f 100644
--- a/tests/ui/read_line_without_trim.stderr
+++ b/tests/ui/read_line_without_trim.stderr
@@ -27,5 +27,47 @@ note: call to `.read_line()` here, which leaves a trailing newline character in
 LL |     std::io::stdin().read_line(&mut input).unwrap();
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 2 previous errors
+error: calling `.parse()` without trimming the trailing newline character
+  --> $DIR/read_line_without_trim.rs:22:20
+   |
+LL |     let _x = input.parse::<u32>().unwrap();
+   |              ----- ^^^^^^^^^^^^^^
+   |              |
+   |              help: try: `input.trim_end()`
+   |
+note: call to `.read_line()` here, which leaves a trailing newline character in the buffer, which in turn will cause `.parse()` to fail
+  --> $DIR/read_line_without_trim.rs:21:5
+   |
+LL |     std::io::stdin().read_line(&mut input).unwrap();
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: calling `.parse()` without trimming the trailing newline character
+  --> $DIR/read_line_without_trim.rs:26:20
+   |
+LL |     let _x = input.parse::<f32>().unwrap();
+   |              ----- ^^^^^^^^^^^^^^
+   |              |
+   |              help: try: `input.trim_end()`
+   |
+note: call to `.read_line()` here, which leaves a trailing newline character in the buffer, which in turn will cause `.parse()` to fail
+  --> $DIR/read_line_without_trim.rs:25:5
+   |
+LL |     std::io::stdin().read_line(&mut input).unwrap();
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: calling `.parse()` without trimming the trailing newline character
+  --> $DIR/read_line_without_trim.rs:30:20
+   |
+LL |     let _x = input.parse::<bool>().unwrap();
+   |              ----- ^^^^^^^^^^^^^^^
+   |              |
+   |              help: try: `input.trim_end()`
+   |
+note: call to `.read_line()` here, which leaves a trailing newline character in the buffer, which in turn will cause `.parse()` to fail
+  --> $DIR/read_line_without_trim.rs:29:5
+   |
+LL |     std::io::stdin().read_line(&mut input).unwrap();
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 5 previous errors