From 2c0b0e45b72ef1b5d7fa95e1e110d07ddbc720f7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jimmy=20W=C3=A4rting?= Date: Mon, 5 Jul 2021 15:34:37 +0200 Subject: refactor: asynchronous blob backing store (#10969) Co-authored-by: Luca Casonato --- cli/tests/blob_gc_finalization.js | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 cli/tests/blob_gc_finalization.js (limited to 'cli/tests/blob_gc_finalization.js') diff --git a/cli/tests/blob_gc_finalization.js b/cli/tests/blob_gc_finalization.js new file mode 100644 index 000000000..34c878513 --- /dev/null +++ b/cli/tests/blob_gc_finalization.js @@ -0,0 +1,11 @@ +// This test creates 1024 blobs of 128 MB each. This will only work if the blobs +// and their backing data is GCed as expected. +for (let i = 0; i < 1024; i++) { + // Create a 128MB byte array, and then a blob from it. + const buf = new Uint8Array(128 * 1024 * 1024); + new Blob([buf]); + // It is very important that there is a yield here, otherwise the finalizer + // for the blob is not called and the memory is not freed. + await new Promise((resolve) => setTimeout(resolve, 0)); +} +console.log("GCed all blobs"); -- cgit v1.2.3