3 files changed, 23 insertions, 0 deletions
diff --git a/tests/specs/run/stdin_read_all/__test__.jsonc b/tests/specs/run/stdin_read_all/__test__.jsonc
new file mode 100644
index 000000000..6fc035aab
--- /dev/null
+++ b/tests/specs/run/stdin_read_all/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "args": "run --quiet stdin_read_all.ts",
+  "output": "stdin_read_all.out",
+  "input": "01234567890123456789012345678901234567890123456789"
+}
diff --git a/tests/specs/run/stdin_read_all/stdin_read_all.out b/tests/specs/run/stdin_read_all/stdin_read_all.out
new file mode 100644
index 000000000..2f0dfb71a
--- /dev/null
+++ b/tests/specs/run/stdin_read_all/stdin_read_all.out
@@ -0,0 +1 @@
+01234567890123456789012345678901234567890123456789
diff --git a/tests/specs/run/stdin_read_all/stdin_read_all.ts b/tests/specs/run/stdin_read_all/stdin_read_all.ts
new file mode 100644
index 000000000..d683a2bf6
--- /dev/null
+++ b/tests/specs/run/stdin_read_all/stdin_read_all.ts
@@ -0,0 +1,17 @@
+const encoder = new TextEncoder();
+
+const pending = [];
+
+// do this a bunch of times to ensure it doesn't race
+// and everything happens in order
+for (let i = 0; i < 50; i++) {
+  const buf = new Uint8Array(1);
+  pending.push(
+    Deno.stdin.read(buf).then(() => {
+      return Deno.stdout.write(buf);
+    }),
+  );
+}
+
+await Promise.all(pending);
+await Deno.stdout.write(encoder.encode("\n"));