fix: plugin ops should change op count metrics (#3455)

1 files changed, 19 insertions, 0 deletions

diff --git a/test_plugin/tests/test.js b/test_plugin/tests/test.js
index 5a127d328..cdbde4769 100644
--- a/test_plugin/tests/test.js
+++ b/test_plugin/tests/test.js
@@ -43,5 +43,24 @@ function runTestAsync() {
   }
 }
 
+function runTestOpCount() {
+  const start = Deno.metrics();
+
+  testSync.dispatch(new Uint8Array([116, 101, 115, 116]));
+
+  const end = Deno.metrics();
+
+  if (end.opsCompleted - start.opsCompleted !== 2) {
+    // one op for the plugin and one for Deno.metrics
+    throw new Error("The opsCompleted metric is not correct!");
+  }
+  if (end.opsDispatched - start.opsDispatched !== 2) {
+    // one op for the plugin and one for Deno.metrics
+    throw new Error("The opsDispatched metric is not correct!");
+  }
+}
+
 runTestSync();
 runTestAsync();
+
+runTestOpCount();