Upload Kmake

test/parallel/test-performance-measure.js

@@ -0,0 +1,26 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+const { PerformanceObserver, performance } = require('perf_hooks');
+const DELAY = 1000;
+const ALLOWED_MARGIN = 10;
+
+const expected = ['Start to Now', 'A to Now', 'A to B'];
+const obs = new PerformanceObserver(common.mustCall((items) => {
+  items.getEntries().forEach(({ name, duration }) => {
+    assert.ok(duration > (DELAY - ALLOWED_MARGIN));
+    assert.strictEqual(expected.shift(), name);
+  });
+}));
+obs.observe({ entryTypes: ['measure'] });
+
+performance.mark('A');
+setTimeout(common.mustCall(() => {
+  performance.measure('Start to Now');
+  performance.measure('A to Now', 'A');
+
+  performance.mark('B');
+  performance.measure('A to B', 'A', 'B');
+}), DELAY);