4 files changed, 69 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/Cargo.lock b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/Cargo.lock
new file mode 100644
index 000000000..5802b7dc9
--- /dev/null
+++ b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "guessing_game"
+version = "0.1.0"
+
diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/Cargo.toml b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/Cargo.toml
new file mode 100644
index 000000000..4e348c8d2
--- /dev/null
+++ b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "guessing_game"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt
new file mode 100644
index 000000000..c8cba98fe
--- /dev/null
+++ b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/output.txt
@@ -0,0 +1,23 @@
+$ cargo test
+   Compiling guessing_game v0.1.0 (file:///projects/guessing_game)
+    Finished test [unoptimized + debuginfo] target(s) in 0.66s
+     Running unittests src/lib.rs (target/debug/deps/guessing_game-57d70c3acb738f4d)
+
+running 1 test
+test tests::greater_than_100 - should panic ... FAILED
+
+failures:
+
+---- tests::greater_than_100 stdout ----
+thread 'main' panicked at 'Guess value must be greater than or equal to 1, got 200.', src/lib.rs:13:13
+note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
+note: panic did not contain expected string
+      panic message: `"Guess value must be greater than or equal to 1, got 200."`,
+ expected substring: `"less than or equal to 100"`
+
+failures:
+    tests::greater_than_100
+
+test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
+
+error: test failed, to rerun pass '--lib'
diff --git a/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/src/lib.rs b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/src/lib.rs
new file mode 100644
index 000000000..7703dd75a
--- /dev/null
+++ b/src/doc/book/listings/ch11-writing-automated-tests/no-listing-09-guess-with-panic-msg-bug/src/lib.rs
@@ -0,0 +1,34 @@
+pub struct Guess {
+    value: i32,
+}
+
+impl Guess {
+    pub fn new(value: i32) -> Guess {
+        // ANCHOR: here
+        if value < 1 {
+            panic!(
+                "Guess value must be less than or equal to 100, got {}.",
+                value
+            );
+        } else if value > 100 {
+            panic!(
+                "Guess value must be greater than or equal to 1, got {}.",
+                value
+            );
+        }
+        // ANCHOR_END: here
+
+        Guess { value }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    #[should_panic(expected = "less than or equal to 100")]
+    fn greater_than_100() {
+        Guess::new(200);
+    }
+}