Merge branch 'denoland:main' into main

3 files changed, 218 insertions, 0 deletions

diff --git a/tests/specs/run/stdout_write_sync_async/__test__.jsonc b/tests/specs/run/stdout_write_sync_async/__test__.jsonc
new file mode 100644
index 000000000..5032ca015
--- /dev/null
+++ b/tests/specs/run/stdout_write_sync_async/__test__.jsonc
@@ -0,0 +1,4 @@
+{
+  "args": "run --quiet stdout_write_sync_async.ts",
+  "output": "stdout_write_sync_async.out"
+}
diff --git a/tests/specs/run/stdout_write_sync_async/stdout_write_sync_async.out b/tests/specs/run/stdout_write_sync_async/stdout_write_sync_async.out
new file mode 100644
index 000000000..91ebda1ca
--- /dev/null
+++ b/tests/specs/run/stdout_write_sync_async/stdout_write_sync_async.out
@@ -0,0 +1,200 @@
+Hello
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diff --git a/tests/specs/run/stdout_write_sync_async/stdout_write_sync_async.ts b/tests/specs/run/stdout_write_sync_async/stdout_write_sync_async.ts
new file mode 100644
index 000000000..648999d8a
--- /dev/null
+++ b/tests/specs/run/stdout_write_sync_async/stdout_write_sync_async.ts
@@ -0,0 +1,14 @@
+const encoder = new TextEncoder();
+const pending = [];
+
+for (let i = 0; i < 100; i++) {
+  // some code that will cause stdout to be written
+  // synchronously while the async write might be occurring
+  console.log("Hello");
+  pending.push(Deno.stdout.write(encoder.encode("Hello\n")));
+  if (i % 10) {
+    await new Promise((resolve) => setTimeout(resolve, 0));
+  }
+}
+
+await Promise.all(pending);