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

1 files changed, 159 insertions, 0 deletions

diff --git a/tests/coverage/uses_inline_crate.coverage b/tests/coverage/uses_inline_crate.coverage
new file mode 100644
index 00000000000..cc0e01ffde1
--- /dev/null
+++ b/tests/coverage/uses_inline_crate.coverage
@@ -0,0 +1,159 @@
+$DIR/auxiliary/used_inline_crate.rs:
+   LL|       |#![allow(unused_assignments, unused_variables)]
+   LL|       |// Verify that coverage works with optimizations:
+   LL|       |// compile-flags: -C opt-level=3
+   LL|       |
+   LL|       |use std::fmt::Debug;
+   LL|       |
+   LL|      1|pub fn used_function() {
+   LL|      1|    // Initialize test constants in a way that cannot be determined at compile time, to ensure
+   LL|      1|    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
+   LL|      1|    // dependent conditions.
+   LL|      1|    let is_true = std::env::args().len() == 1;
+   LL|      1|    let mut countdown = 0;
+   LL|      1|    if is_true {
+   LL|      1|        countdown = 10;
+   LL|      1|    }
+                   ^0
+   LL|      1|    use_this_lib_crate();
+   LL|      1|}
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      1|pub fn used_inline_function() {
+   LL|      1|    // Initialize test constants in a way that cannot be determined at compile time, to ensure
+   LL|      1|    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
+   LL|      1|    // dependent conditions.
+   LL|      1|    let is_true = std::env::args().len() == 1;
+   LL|      1|    let mut countdown = 0;
+   LL|      1|    if is_true {
+   LL|      1|        countdown = 10;
+   LL|      1|    }
+                   ^0
+   LL|      1|    use_this_lib_crate();
+   LL|      1|}
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      2|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
+   LL|      2|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
+   LL|      2|}
+  ------------------
+  | Unexecuted instantiation: used_inline_crate::used_only_from_bin_crate_generic_function::<_>
+  ------------------
+  | used_inline_crate::used_only_from_bin_crate_generic_function::<&alloc::vec::Vec<i32>>:
+  |   LL|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
+  |   LL|      1|}
+  ------------------
+  | used_inline_crate::used_only_from_bin_crate_generic_function::<&str>:
+  |   LL|      1|pub fn used_only_from_bin_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      1|    println!("used_only_from_bin_crate_generic_function with {:?}", arg);
+  |   LL|      1|}
+  ------------------
+   LL|       |// Expect for above function: `Unexecuted instantiation` (see notes in `used_crate.rs`)
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      4|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
+   LL|      4|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
+   LL|      4|}
+  ------------------
+  | used_inline_crate::used_only_from_this_lib_crate_generic_function::<&str>:
+  |   LL|      2|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      2|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
+  |   LL|      2|}
+  ------------------
+  | used_inline_crate::used_only_from_this_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
+  |   LL|      2|pub fn used_only_from_this_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      2|    println!("used_only_from_this_lib_crate_generic_function with {:?}", arg);
+  |   LL|      2|}
+  ------------------
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      3|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+   LL|      3|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+   LL|      3|}
+  ------------------
+  | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<&str>:
+  |   LL|      2|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      2|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      2|}
+  ------------------
+  | used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function::<alloc::vec::Vec<i32>>:
+  |   LL|      1|pub fn used_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      1|    println!("used_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|}
+  ------------------
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      3|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+   LL|      3|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+   LL|      3|}
+  ------------------
+  | used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>:
+  |   LL|      1|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      1|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      1|}
+  ------------------
+  | used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function::<&str>:
+  |   LL|      2|pub fn used_with_same_type_from_bin_crate_and_lib_crate_generic_function<T: Debug>(arg: T) {
+  |   LL|      2|    println!("used_with_same_type_from_bin_crate_and_lib_crate_generic_function with {:?}", arg);
+  |   LL|      2|}
+  ------------------
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      0|pub fn unused_generic_function<T: Debug>(arg: T) {
+   LL|      0|    println!("unused_generic_function with {:?}", arg);
+   LL|      0|}
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|      0|pub fn unused_function() {
+   LL|      0|    let is_true = std::env::args().len() == 1;
+   LL|      0|    let mut countdown = 2;
+   LL|      0|    if !is_true {
+   LL|      0|        countdown = 20;
+   LL|      0|    }
+   LL|      0|}
+   LL|       |
+   LL|       |#[inline(always)]
+   LL|       |#[allow(dead_code)]
+   LL|      0|fn unused_private_function() {
+   LL|      0|    let is_true = std::env::args().len() == 1;
+   LL|      0|    let mut countdown = 2;
+   LL|      0|    if !is_true {
+   LL|      0|        countdown = 20;
+   LL|      0|    }
+   LL|      0|}
+   LL|       |
+   LL|      2|fn use_this_lib_crate() {
+   LL|      2|    used_from_bin_crate_and_lib_crate_generic_function("used from library used_crate.rs");
+   LL|      2|    used_with_same_type_from_bin_crate_and_lib_crate_generic_function(
+   LL|      2|        "used from library used_crate.rs",
+   LL|      2|    );
+   LL|      2|    let some_vec = vec![5, 6, 7, 8];
+   LL|      2|    used_only_from_this_lib_crate_generic_function(some_vec);
+   LL|      2|    used_only_from_this_lib_crate_generic_function("used ONLY from library used_crate.rs");
+   LL|      2|}
+
+$DIR/uses_inline_crate.rs:
+   LL|       |// This test was failing on Linux for a while due to #110393 somehow making
+   LL|       |// the unused functions not instrumented, but it seems to be fine now.
+   LL|       |
+   LL|       |// Validates coverage now works with optimizations
+   LL|       |// compile-flags: -C opt-level=3
+   LL|       |
+   LL|       |#![allow(unused_assignments, unused_variables)]
+   LL|       |
+   LL|       |// aux-build:used_inline_crate.rs
+   LL|       |extern crate used_inline_crate;
+   LL|       |
+   LL|      1|fn main() {
+   LL|      1|    used_inline_crate::used_function();
+   LL|      1|    used_inline_crate::used_inline_function();
+   LL|      1|    let some_vec = vec![1, 2, 3, 4];
+   LL|      1|    used_inline_crate::used_only_from_bin_crate_generic_function(&some_vec);
+   LL|      1|    used_inline_crate::used_only_from_bin_crate_generic_function("used from bin uses_crate.rs");
+   LL|      1|    used_inline_crate::used_from_bin_crate_and_lib_crate_generic_function(some_vec);
+   LL|      1|    used_inline_crate::used_with_same_type_from_bin_crate_and_lib_crate_generic_function(
+   LL|      1|        "interesting?",
+   LL|      1|    );
+   LL|      1|}
+