| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>window.performance.memory in dedicated workers</title> |
| <script src="/w3c/resources/testharness.js"></script> |
| <script src="/w3c/resources/testharnessreport.js"></script> |
| <link rel="stylesheet" href="/w3c/resources/testharness.css" /> |
| <script> |
| |
| var tests = [ |
| '"performance" in self;', |
| '"memory" in self.performance;', |
| ('JSON.stringify(' + |
| '{jsHeapSizeLimit: self.performance.memory.jsHeapSizeLimit,' + |
| ' totalJSHeapSize: self.performance.memory.totalJSHeapSize,' + |
| ' usedJSHeapSize: self.performance.memory.usedJSHeapSize});') |
| ]; |
| |
| var t = async_test('window.performance.memory in dedicated workers'); |
| t.step(function() { |
| var worker = new Worker("/w3c/webperf/resources/worker.js"); |
| worker.postMessage(tests); |
| |
| worker.onmessage = t.step_func(function(event) { |
| var results = event.data; |
| assert_equals(results.length, 3); |
| assert_true(results[0], "self.performance is defined"); |
| assert_true(results[1], "self.performance.memory is defined"); |
| var jsHeap = JSON.parse(results[2]); |
| assert_greater_than_equal(jsHeap.jsHeapSizeLimit, jsHeap.totalJSHeapSize, "jsHeapSizeLimit should be no less than totalJSHeapSize", {}); |
| assert_greater_than_equal(jsHeap.totalJSHeapSize, jsHeap.usedJSHeapSize, "totalJSHeapSize should be no less than usedJSHeapSize", {}); |
| t.done(); |
| }); |
| }); |
| |
| </script> |
| </head> |
| <body> |
| <h1>Description</h1> |
| <p>This test validates that performance.memory exists in dedicated workers </p> |
| |
| <div id="log"></div> |
| |
| </body> |
| </html> |
