fix permission errors are swallowed by fs.exists (#3493)

1 files changed, 10 insertions, 0 deletions

diff --git a/std/fs/testdata/exists.ts b/std/fs/testdata/exists.ts
new file mode 100644
index 000000000..aee8574d8
--- /dev/null
+++ b/std/fs/testdata/exists.ts
@@ -0,0 +1,10 @@
+import { exists } from "../exists.ts";
+
+exists(Deno.args[1])
+  .then(isExist => {
+    Deno.stdout.write(new TextEncoder().encode(isExist ? 'exist' :'not exist'))
+  })
+  .catch((err) => {
+    Deno.stdout.write(new TextEncoder().encode(err.message))
+  })
+