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-rw-r--r--tests/run-make/coverage-llvmir/testprog.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/run-make/coverage-llvmir/testprog.rs b/tests/run-make/coverage-llvmir/testprog.rs
new file mode 100644
index 00000000000..358c25677ae
--- /dev/null
+++ b/tests/run-make/coverage-llvmir/testprog.rs
@@ -0,0 +1,38 @@
+pub fn will_be_called() -> &'static str {
+    let val = "called";
+    println!("{}", val);
+    val
+}
+
+pub fn will_not_be_called() -> bool {
+    println!("should not have been called");
+    false
+}
+
+pub fn print<T>(left: &str, value: T, right: &str)
+where
+    T: std::fmt::Display,
+{
+    println!("{}{}{}", left, value, right);
+}
+
+pub fn wrap_with<F, T>(inner: T, should_wrap: bool, wrapper: F)
+where
+    F: FnOnce(&T)
+{
+    if should_wrap {
+        wrapper(&inner)
+    }
+}
+
+fn main() {
+    let less = 1;
+    let more = 100;
+
+    if less < more {
+        wrap_with(will_be_called(), less < more, |inner| print(" ***", inner, "*** "));
+        wrap_with(will_be_called(), more < less, |inner| print(" ***", inner, "*** "));
+    } else {
+        wrap_with(will_not_be_called(), true, |inner| print("wrapped result is: ", inner, ""));
+    }
+}