diff --git a/packages/solo/test/test-xsnap-store.js b/packages/solo/test/test-xsnap-store.js index f85c266e9a8..08601c451b1 100644 --- a/packages/solo/test/test-xsnap-store.js +++ b/packages/solo/test/test-xsnap-store.js @@ -135,8 +135,41 @@ test('create SES worker, save, restore, resume', async t => { t.pass(); }); -// see https://github.com/Agoric/agoric-sdk/issues/2776 -test.failing('XS + SES snapshots should be deterministic', t => { - const h = 'abc'; - t.is('66244b4bfe92ae9138d24a9b50b492d231f6a346db0cf63543d200860b423724', h); +test('XS + SES snapshots are deterministic', async t => { + const pool = tmp.dirSync({ unsafeCleanup: true }); + t.teardown(() => pool.removeCallback()); + t.log({ pool: pool.name }); + await fs.promises.mkdir(pool.name, { recursive: true }); + const store = makeSnapStore(pool.name, makeSnapStoreIO()); + + const vat = await bootWorker('xs1', async m => m, '1 + 1'); + t.teardown(() => vat.close()); + + const h1 = await store.save(vat.snapshot); + + t.is( + h1, + '43bbda815d5b1c2cd63061588081bc2cf4805a66887fb00b30c1b85a2a0e0899', + 'initial snapshot', + ); + + const bootScript = await ld.asset( + '@agoric/xsnap/dist/bundle-ses-boot.umd.js', + ); + await vat.evaluate(bootScript); + + const h2 = await store.save(vat.snapshot); + t.is( + h2, + 'fdd8c4e16329e1436ad7b0ecbcfc37cbf3aaec436c14fd6d3eb42d81db332795', + 'after SES boot', + ); + + await vat.evaluate('globalThis.x = harden({a: 1})'); + const h3 = await store.save(vat.snapshot); + t.is( + h3, + '808240d01126e43c21e90625f2685a6046c804109212e0544a9137d526171617', + 'after use of harden()', + ); });