1 files changed, 32 insertions, 0 deletions
diff --git a/cli/js/tests/dispatch_json_test.ts b/cli/js/tests/dispatch_json_test.ts
new file mode 100644
index 000000000..a2306dda8
--- /dev/null
+++ b/cli/js/tests/dispatch_json_test.ts
@@ -0,0 +1,32 @@
+import { assert, unitTest, assertMatch, unreachable } from "./test_util.ts";
+
+const openErrorStackPattern = new RegExp(
+  `^.*
+    at unwrapResponse \\(.*dispatch_json\\.ts:.*\\)
+    at Object.sendAsync \\(.*dispatch_json\\.ts:.*\\)
+    at async Object\\.open \\(.*files\\.ts:.*\\).*$`,
+  "ms"
+);
+
+unitTest(
+  { perms: { read: true } },
+  async function sendAsyncStackTrace(): Promise<void> {
+    await Deno.open("nonexistent.txt")
+      .then(unreachable)
+      .catch((error): void => {
+        assertMatch(error.stack, openErrorStackPattern);
+      });
+  }
+);
+
+unitTest(async function malformedJsonControlBuffer(): Promise<void> {
+  // @ts-ignore
+  const opId = Deno.core.ops()["op_open"];
+  // @ts-ignore
+  const res = Deno.core.send(opId, new Uint8Array([1, 2, 3, 4, 5]));
+  const resText = new TextDecoder().decode(res);
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const resJson = JSON.parse(resText) as any;
+  assert(!resJson.ok);
+  assert(resJson.err);
+});