/*
|
* Copyright (C) 2019 The Android Open Source Project
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
|
#include <gtest/gtest.h>
|
|
#include <sys/system_properties.h>
|
|
#include "profile-extras.h"
|
|
static int flush_count = 0;
|
|
extern "C" {
|
void __gcov_flush() {
|
flush_count++;
|
}
|
}
|
|
static const char kCoveragePropName[] = "debug.coverage.flush";
|
|
TEST(profile_extras, smoke) {
|
flush_count = 0;
|
|
ASSERT_EQ(0, flush_count);
|
kill(getpid(), GCOV_FLUSH_SIGNAL);
|
sleep(2);
|
ASSERT_EQ(1, flush_count);
|
|
// kCoveragePropName from "0" -> "1" -> "0" -> "1" should trigger two flushes.
|
// transition 1
|
__system_property_set(kCoveragePropName, "0");
|
sleep(2);
|
ASSERT_EQ(1, flush_count);
|
|
__system_property_set(kCoveragePropName, "1");
|
sleep(2);
|
ASSERT_EQ(2, flush_count);
|
|
// transition 2
|
__system_property_set(kCoveragePropName, "0");
|
sleep(2);
|
ASSERT_EQ(2, flush_count);
|
|
__system_property_set(kCoveragePropName, "1");
|
sleep(2);
|
ASSERT_EQ(3, flush_count);
|
}
|
