coverage: Migrate `tests/run-coverage` into `tests/coverage`

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/coverage/dead_code.rs b/tests/coverage/dead_code.rs
new file mode 100644
index 00000000000..3492712a6f9
--- /dev/null
+++ b/tests/coverage/dead_code.rs
@@ -0,0 +1,37 @@
+#![allow(dead_code, unused_assignments, unused_variables)]
+
+pub fn unused_pub_fn_not_in_library() {
+    // Initialize test constants in a way that cannot be determined at compile time, to ensure
+    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
+    // dependent conditions.
+    let is_true = std::env::args().len() == 1;
+
+    let mut countdown = 0;
+    if is_true {
+        countdown = 10;
+    }
+}
+
+fn unused_fn() {
+    // Initialize test constants in a way that cannot be determined at compile time, to ensure
+    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
+    // dependent conditions.
+    let is_true = std::env::args().len() == 1;
+
+    let mut countdown = 0;
+    if is_true {
+        countdown = 10;
+    }
+}
+
+fn main() {
+    // Initialize test constants in a way that cannot be determined at compile time, to ensure
+    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
+    // dependent conditions.
+    let is_true = std::env::args().len() == 1;
+
+    let mut countdown = 0;
+    if is_true {
+        countdown = 10;
+    }
+}