From ee0a8f2c893b19d091252122096aa460ceea3718 Mon Sep 17 00:00:00 2001
From: root <root@ubuntu5.15.myguest.virtualbox.org>
Date: Mon, 8 Jul 2024 22:14:57 +0800
Subject: [PATCH] rustlings 100 done

---
 exercises/tests/Cargo.lock | 7 +++++++
 exercises/tests/Cargo.toml | 7 +++++++
 exercises/tests/build.rs   | 5 ++---
 exercises/tests/tests7.rs  | 1 -
 exercises/tests/tests8.rs  | 1 -
 exercises/tests/tests9.rs  | 4 ++--
 6 files changed, 18 insertions(+), 7 deletions(-)
 create mode 100644 exercises/tests/Cargo.lock
 create mode 100644 exercises/tests/Cargo.toml

diff --git a/exercises/tests/Cargo.lock b/exercises/tests/Cargo.lock
new file mode 100644
index 00000000..7599e243
--- /dev/null
+++ b/exercises/tests/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "tests7"
+version = "0.0.1"
diff --git a/exercises/tests/Cargo.toml b/exercises/tests/Cargo.toml
new file mode 100644
index 00000000..025327f6
--- /dev/null
+++ b/exercises/tests/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "tests7"
+version = "0.0.1"
+edition = "2021"
+[[bin]]
+name = "tests7"
+path = "tests7.rs"
\ No newline at end of file
diff --git a/exercises/tests/build.rs b/exercises/tests/build.rs
index aa518cef..3c4d060f 100644
--- a/exercises/tests/build.rs
+++ b/exercises/tests/build.rs
@@ -1,7 +1,6 @@
 //! This is the build script for both tests7 and tests8.
 //!
 //! You should modify this file to make both exercises pass.
-
 fn main() {
     // In tests7, we should set up an environment variable
     // called `TEST_FOO`. Print in the standard output to let
@@ -11,7 +10,7 @@ fn main() {
         .unwrap()
         .as_secs(); // What's the use of this timestamp here?
     let your_command = format!(
-        "Your command here with {}, please checkout exercises/tests/build.rs",
+        "rustc-env=TEST_FOO=",
         timestamp
     );
     println!("cargo:{}", your_command);
@@ -19,6 +18,6 @@ fn main() {
     // In tests8, we should enable "pass" feature to make the
     // testcase return early. Fill in the command to tell
     // Cargo about that.
-    let your_command = "Your command here, please checkout exercises/tests/build.rs";
+    let your_command = "rustc-cfg=pass";
     println!("cargo:{}", your_command);
 }
diff --git a/exercises/tests/tests7.rs b/exercises/tests/tests7.rs
index 66b37b72..09574783 100644
--- a/exercises/tests/tests7.rs
+++ b/exercises/tests/tests7.rs
@@ -34,7 +34,6 @@
 // Execute `rustlings hint tests7` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
 
 fn main() {}
 
diff --git a/exercises/tests/tests8.rs b/exercises/tests/tests8.rs
index ce7e35d8..b9eb0fb1 100644
--- a/exercises/tests/tests8.rs
+++ b/exercises/tests/tests8.rs
@@ -7,7 +7,6 @@
 // Execute `rustlings hint tests8` or use the `hint` watch subcommand for a
 // hint.
 
-// I AM NOT DONE
 
 fn main() {}
 
diff --git a/exercises/tests/tests9.rs b/exercises/tests/tests9.rs
index ea2a8ec0..951aaa26 100644
--- a/exercises/tests/tests9.rs
+++ b/exercises/tests/tests9.rs
@@ -27,15 +27,15 @@
 //
 // You should NOT modify any existing code except for adding two lines of attributes.
 
-// I AM NOT DONE
-
 extern "Rust" {
     fn my_demo_function(a: u32) -> u32;
+    #[link_name = "my_demo_function"]
     fn my_demo_function_alias(a: u32) -> u32;
 }
 
 mod Foo {
     // No `extern` equals `extern "Rust"`.
+    #[no_mangle]
     fn my_demo_function(a: u32) -> u32 {
         a
     }