Profiling utils

tests/app/profiling/profiling-tests.ts

@@ -0,0 +1,66 @@
+import * as TKUnit from "../TKUnit";
+import * as prof from "tns-core-modules/profiling";
+
+export function setUp() {
+    prof.enable();
+}
+
+export function tearDown() {
+    prof.disable();
+}
+
+export function test_time_throws_if_not_enabled() {
+    prof.disable();
+    TKUnit.assertThrows(prof.time);
+};
+
+export function test_time_returns_number_if_enabled() {
+    TKUnit.assertEqual(typeof prof.time(), "number");
+};
+
+export function test_start_stop() {
+    prof.start("__test1__");
+    const res = prof.stop("__test1__");
+
+    TKUnit.assertEqual(res.count, 1);
+    TKUnit.assert(res.totalTime <= 1);
+};
+
+export function test_start_pause() {
+    for (var i = 0; i < 10; i++) {
+        prof.start("__test2__");
+        prof.pause("__test2__");
+    }
+
+    const res = prof.stop("__test2__");
+    TKUnit.assertEqual(res.count, 10);
+    TKUnit.assert(res.totalTime <= 1);
+};
+
+export function test_timer_performance() {
+    for (var i = 0; i < 10000; i++) {
+        prof.start("__test3__");
+        prof.pause("__test3__");
+    }
+
+    const res = prof.stop("__test3__");
+    TKUnit.assertEqual(res.count, 10000);
+    TKUnit.assert(res.totalTime <= 30, "Total time for 1000 timer operations is too much: " + res.totalTime);
+};
+
+export function test_profile_decorator_count_counts() {
+    class TestClass {
+        @prof.profile("__func_decorator__")
+        f() {
+            //noop
+        }
+    }
+
+    const test = new TestClass();
+
+    for (var i = 0; i < 10; i++) {
+        test.f();
+    }
+    const res = prof.stop("__func_decorator__");
+    TKUnit.assertEqual(res.count, 10);
+}

tests/app/testRunner.ts

@@ -31,6 +31,9 @@ export function isRunningOnEmulator(): boolean {
 
 export var allTests = {};
 
+import * as profilingTests from "./profiling/profiling-tests";
+allTests["PROFILING"] = profilingTests;
+
 import * as platformTests from "./platform/platform-tests";
 allTests["PLATFORM"] = platformTests;