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-rw-r--r--tests/run-make/coverage/async.rs128
1 files changed, 0 insertions, 128 deletions
diff --git a/tests/run-make/coverage/async.rs b/tests/run-make/coverage/async.rs
deleted file mode 100644
index efd9e62d6..000000000
--- a/tests/run-make/coverage/async.rs
+++ /dev/null
@@ -1,128 +0,0 @@
-#![allow(unused_assignments, dead_code)]
-
-// compile-flags: --edition=2018 -C opt-level=1
-
-async fn c(x: u8) -> u8 {
- if x == 8 {
- 1
- } else {
- 0
- }
-}
-
-async fn d() -> u8 { 1 }
-
-async fn e() -> u8 { 1 } // unused function; executor does not block on `g()`
-
-async fn f() -> u8 { 1 }
-
-async fn foo() -> [bool; 10] { [false; 10] } // unused function; executor does not block on `h()`
-
-pub async fn g(x: u8) {
- match x {
- y if e().await == y => (),
- y if f().await == y => (),
- _ => (),
- }
-}
-
-async fn h(x: usize) { // The function signature is counted when called, but the body is not
- // executed (not awaited) so the open brace has a `0` count (at least when
- // displayed with `llvm-cov show` in color-mode).
- match x {
- y if foo().await[y] => (),
- _ => (),
- }
-}
-
-async fn i(x: u8) { // line coverage is 1, but there are 2 regions:
- // (a) the function signature, counted when the function is called; and
- // (b) the open brace for the function body, counted once when the body is
- // executed asynchronously.
- match x {
- y if c(x).await == y + 1 => { d().await; }
- y if f().await == y + 1 => (),
- _ => (),
- }
-}
-
-fn j(x: u8) {
- // non-async versions of `c()`, `d()`, and `f()` to make it similar to async `i()`.
- fn c(x: u8) -> u8 {
- if x == 8 {
- 1 // This line appears covered, but the 1-character expression span covering the `1`
- // is not executed. (`llvm-cov show` displays a `^0` below the `1` ). This is because
- // `fn j()` executes the open brace for the function body, followed by the function's
- // first executable statement, `match x`. Inner function declarations are not
- // "visible" to the MIR for `j()`, so the code region counts all lines between the
- // open brace and the first statement as executed, which is, in a sense, true.
- // `llvm-cov show` overcomes this kind of situation by showing the actual counts
- // of the enclosed coverages, (that is, the `1` expression was not executed, and
- // accurately displays a `0`).
- } else {
- 0
- }
- }
- fn d() -> u8 { 1 } // inner function is defined in-line, but the function is not executed
- fn f() -> u8 { 1 }
- match x {
- y if c(x) == y + 1 => { d(); }
- y if f() == y + 1 => (),
- _ => (),
- }
-}
-
-fn k(x: u8) { // unused function
- match x {
- 1 => (),
- 2 => (),
- _ => (),
- }
-}
-
-fn l(x: u8) {
- match x {
- 1 => (),
- 2 => (),
- _ => (),
- }
-}
-
-async fn m(x: u8) -> u8 { x - 1 }
-
-fn main() {
- let _ = g(10);
- let _ = h(9);
- let mut future = Box::pin(i(8));
- j(7);
- l(6);
- let _ = m(5);
- executor::block_on(future.as_mut());
-}
-
-mod executor {
- use core::{
- future::Future,
- pin::Pin,
- task::{Context, Poll, RawWaker, RawWakerVTable, Waker},
- };
-
- pub fn block_on<F: Future>(mut future: F) -> F::Output {
- let mut future = unsafe { Pin::new_unchecked(&mut future) };
- use std::hint::unreachable_unchecked;
- static VTABLE: RawWakerVTable = RawWakerVTable::new(
- |_| unsafe { unreachable_unchecked() }, // clone
- |_| unsafe { unreachable_unchecked() }, // wake
- |_| unsafe { unreachable_unchecked() }, // wake_by_ref
- |_| (),
- );
- let waker = unsafe { Waker::from_raw(RawWaker::new(core::ptr::null(), &VTABLE)) };
- let mut context = Context::from_waker(&waker);
-
- loop {
- if let Poll::Ready(val) = future.as_mut().poll(&mut context) {
- break val;
- }
- }
- }
-}