Fix test

signalfx · Dec 8, 2022 · a987330 · a987330
1 parent 8d1e877
commit a987330
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/...src/test/java/com/splunk/opentelemetry/instrumentation/jvmmetrics/OtelJvmMetricsTest.java b/...src/test/java/com/splunk/opentelemetry/instrumentation/jvmmetrics/OtelJvmMetricsTest.java
@@ -18,6 +18,8 @@
 
 import io.opentelemetry.instrumentation.testing.junit.AgentInstrumentationExtension;
 import io.opentelemetry.instrumentation.testing.junit.InstrumentationExtension;
+import java.util.ArrayList;
+import java.util.List;
 import org.assertj.core.api.AbstractIterableAssert;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -32,12 +34,22 @@ class OtelJvmMetricsTest {
 
   @Test
   void shouldRegisterOtelJvmMeters() {
+    // exercise the GC for a bit
+    {
+      List<Long[]> garbage = new ArrayList<>();
+      for (int i = 0; i < 10_000; ++i) {
+        garbage.add(new Long[i]);
+      }
+      garbage.clear();
+    }
+    System.gc();
+
     // GC metrics
     assertOtelMetricPresent("runtime.jvm.gc.memory.allocated");
     // GC pressure metrics
     assertOtelMetricPresent("runtime.jvm.gc.overhead");
     // thread metrics
-    assertOtelMetricPresent("runtime.jvm.threads.peak");
+    assertOtelMetricPresent("runtime.jvm.threads.states");
     // allocated memory metrics
     assertOtelMetricPresent(AllocatedMemoryMetrics.METRIC_NAME);
     // Our custom GC metrics