1 files changed, 16 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/crashtests/huge-fetch.any.js b/testing/web-platform/tests/fetch/api/crashtests/huge-fetch.any.js
new file mode 100644
index 0000000000..1b09925d85
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/crashtests/huge-fetch.any.js
@@ -0,0 +1,16 @@
+// META: global=window,worker
+
+'use strict';
+
+promise_test(async t => {
+  const response = await fetch('../resources/huge-response.py');
+  const reader = response.body.getReader();
+  // Read one chunk just to show willing.
+  const { value, done } = await reader.read();
+  assert_false(done, 'there should be some data');
+  assert_greater_than(value.byteLength, 0, 'the chunk should be non-empty');
+  // Wait 2 seconds to give it a chance to crash.
+  await new Promise(resolve => t.step_timeout(resolve, 2000));
+  // If we get here without crashing we passed the test.
+  reader.cancel();
+}, 'fetching a huge cacheable file but not reading it should not crash');