Add test for issue #966

tests/data/follow_exec_issue966/.gitignore

@@ -0,0 +1,2 @@
+/target
+Cargo.lock

tests/data/follow_exec_issue966/.tarpaulin.toml

@@ -0,0 +1,7 @@
+[examples]
+command = "Build"
+run-types = ["Examples"]
+follow-exec = true
+
+#[tests]
+#run-types = ["Tests"]

tests/data/follow_exec_issue966/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "follow_exec_issue966"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

tests/data/follow_exec_issue966/examples/test.rs

@@ -0,0 +1,17 @@
+use follow_exec_issue966::*;
+
+fn main() {
+    let args: Vec<_> = std::env::args().into_iter().collect();
+    println!("args: {:?}", args);
+    if args.contains(&"do_the_thing".into()) {
+        do_the_thing();
+        return;
+    }
+
+    let exe_path = std::env::current_exe().unwrap();
+
+    std::process::Command::new(exe_path)
+        .args(&["call_main", "--", "do_the_thing"])
+        .spawn()
+        .unwrap();
+}

tests/data/follow_exec_issue966/src/lib.rs

@@ -0,0 +1,6 @@
+use std::io::Write;
+
+pub fn do_the_thing() {
+    let mut f = std::fs::File::create("/tmp/whatever").unwrap();
+    f.write("hello\n".as_bytes()).unwrap();
+}

tests/mod.rs

@@ -199,6 +199,17 @@ fn config_file_coverage() {
     check_percentage_with_cli_args(0.0f64, true, &args);
 }
 
+#[test]
+fn issue_966_follow_exec() {
+    let test_dir = get_test_path("follow_exec_issue966");
+    let args = vec![
+        "tarpaulin".to_string(),
+        "--root".to_string(),
+        test_dir.display().to_string(),
+    ];
+    check_percentage_with_cli_args(1.0f64, true, &args);
+}
+
 #[test]
 fn rustflags_config_coverage() {
     let test_dir = get_test_path("multiple_rustflags");