Merge "Introduce a per-call wait for performHapticFeedback benchmark (excluded from the timing)."

package android.view;

import static junit.framework.Assert.assertTrue;

import static junit.framework.Assert.fail;

import android.content.Context;

import android.perftests.utils.PerfTestActivity;

    @Test

    public void testPerformHapticFeedback() throws Throwable {

        // performHapticFeedback is now asynchronous, so should be very fast. This benchmark

        // is primarily a regression test for the re-introduction of blocking calls in the path.

        // Can't run back-to-back performHapticFeedback, as it will just enqueue on the oneway

        // thread and fill up that buffer. Instead, we invoke at a speed of a fairly high frame

        // rate - and this is still too fast to fully vibrate in reality, but should be able to

        // clear queues.

        int waitPerCallMillis = 5;

        final BenchmarkState state = mBenchmarkRule.getState();

        mActivityRule.runOnUiThread(() -> {

            state.pauseTiming();

            int flags = HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING

                    | HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING;

            try {

                while (state.keepRunning()) {

                    assertTrue("Call to performHapticFeedback was ignored",

                        view.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_PRESS, flags));

                            view.performHapticFeedback(HapticFeedbackConstants.KEYBOARD_PRESS,

                                    flags));

                    state.pauseTiming();

                    Thread.sleep(waitPerCallMillis);

                    state.resumeTiming();

                }

            } catch (InterruptedException e) {

                fail("Unexpectedly interrupted");

            }

        });

    }