1 files changed, 58 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/performance-timeline-worker.js b/testing/web-platform/tests/service-workers/service-worker/resources/performance-timeline-worker.js
new file mode 100644
index 000000000..6f7df75e9
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/performance-timeline-worker.js
@@ -0,0 +1,58 @@
+importScripts('/resources/testharness.js');
+
+promise_test(function(test) {
+    var durationMsec = 100;
+    // There are limits to our accuracy here.  Timers may fire up to a
+    // millisecond early due to platform-dependent rounding.  In addition
+    // the performance API introduces some rounding as well to prevent
+    // timing attacks.
+    var accuracy = 1.5;
+    return new Promise(function(resolve) {
+        performance.mark('startMark');
+        setTimeout(resolve, durationMsec);
+      }).then(function() {
+          performance.mark('endMark');
+          performance.measure('measure', 'startMark', 'endMark');
+          var startMark = performance.getEntriesByName('startMark')[0];
+          var endMark = performance.getEntriesByName('endMark')[0];
+          var measure = performance.getEntriesByType('measure')[0];
+          assert_equals(measure.startTime, startMark.startTime);
+          assert_approx_equals(endMark.startTime - startMark.startTime,
+                               measure.duration, 0.001);
+          assert_greater_than(measure.duration, durationMsec - accuracy);
+          assert_equals(performance.getEntriesByType('mark').length, 2);
+          assert_equals(performance.getEntriesByType('measure').length, 1);
+          performance.clearMarks('startMark');
+          performance.clearMeasures('measure');
+          assert_equals(performance.getEntriesByType('mark').length, 1);
+          assert_equals(performance.getEntriesByType('measure').length, 0);
+      });
+  }, 'User Timing');
+
+promise_test(function(test) {
+    return fetch('dummy.txt')
+      .then(function(resp) {
+          return resp.text();
+        })
+      .then(function(text) {
+          var expectedResources = ['testharness.js', 'dummy.txt'];
+          assert_equals(performance.getEntriesByType('resource').length, expectedResources.length);
+          for (var i = 0; i < expectedResources.length; i++) {
+              var entry = performance.getEntriesByType('resource')[i];
+              assert_true(entry.name.endsWith(expectedResources[i]));
+              assert_equals(entry.workerStart, 0);
+              assert_greater_than(entry.startTime, 0);
+              assert_greater_than(entry.responseEnd, entry.startTime);
+          }
+          return new Promise(function(resolve) {
+              performance.onresourcetimingbufferfull = resolve;
+              performance.setResourceTimingBufferSize(expectedResources.length);
+            });
+        })
+      .then(function() {
+          performance.clearResourceTimings();
+          assert_equals(performance.getEntriesByType('resource').length, 0);
+        })
+  }, 'Resource Timing');
+
+done();