test: fix flaky test-vm-memleak

Force garbage collection so that the memory leak is more easily differentiated from ordinary not-garbage-collected memory. Refs: #34289 PR-URL: #38054 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>
nodejs · Sep 7, 2021 · 0fabd8e · 0fabd8e
1 parent 64fb928
commit 0fabd8e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/test/pummel/test-vm-memleak.js b/test/pummel/test-vm-memleak.js
@@ -20,7 +20,7 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 'use strict';
-// Flags: --max_old_space_size=32
+// Flags: --max_old_space_size=32 --expose_gc
 
 const common = require('../common');
 
@@ -39,6 +39,7 @@ const interval = setInterval(function() {
   } catch {
   }
 
+  global.gc();
   const rss = process.memoryUsage.rss();
   assert.ok(rss < 64 * 1024 * 1024,
             `memory usage: ${rss} (${Math.round(rss / (1024 * 1024))} MB)`);