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authorDavid Sherret <dsherret@users.noreply.github.com>2021-08-11 10:20:47 -0400
committerGitHub <noreply@github.com>2021-08-11 10:20:47 -0400
commit15a763152f9d392cb80692262f8de5ef8ae15495 (patch)
treefcd1a59777f95920bf3502519983d6cc0d882a9a /cli/tests/testdata/blob_gc_finalization.js
parenta0285e2eb88f6254f6494b0ecd1878db3a3b2a58 (diff)
chore: move test files to testdata directory (#11601)
Diffstat (limited to 'cli/tests/testdata/blob_gc_finalization.js')
-rw-r--r--cli/tests/testdata/blob_gc_finalization.js11
1 files changed, 11 insertions, 0 deletions
diff --git a/cli/tests/testdata/blob_gc_finalization.js b/cli/tests/testdata/blob_gc_finalization.js
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index 000000000..34c878513
--- /dev/null
+++ b/cli/tests/testdata/blob_gc_finalization.js
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+// 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");