Add RelatedEventSet Diagnostic

tracing/tracing/model/model_test.html

Index: tracing/tracing/model/model_test.html
diff --git a/tracing/tracing/model/model_test.html b/tracing/tracing/model/model_test.html
index ff12f50e0ffe1e96d9aae90d7658ba29f9d542f8..9f9f376e55f33f810a4e2ef52a4ecda74013597a 100644
--- a/tracing/tracing/model/model_test.html
+++ b/tracing/tracing/model/model_test.html
@@ -242,6 +242,26 @@ tr.b.unittest.testSuite(function() {
     assert.isTrue(wasCalled);
   });
 
+  test('getEventByStableId', function() {
+    var m = new tr.Model();
+    var p = m.getOrCreateProcess(0);
+    var t = p.getOrCreateThread(1);
+    var slice = tr.c.TestUtils.newSliceEx({start: 0, duration: 10});
+    t.sliceGroup.pushSlice(slice);
+    var ue = tr.c.TestUtils.newInteractionRecord(m, 0, 10);
+    m.userModel.expectations.push(ue);
+    var gie = tr.c.TestUtils.newInstantEvent({
+      title: 'gie',
+      start: 0,
+      colorId: 0
+    });
+    m.instantEvents.push(gie);
+
+    assert.strictEqual(slice, m.getEventByStableId(slice.stableId));
+    assert.strictEqual(ue, m.getEventByStableId(ue.stableId));
+    assert.strictEqual(gie, m.getEventByStableId(gie.stableId));
+  });
+
   test('model_annotationAddRemove', function() {
     var m = new tr.Model();
     var a1 = new tr.model.Annotation();