Merge "ion-unit-tests: Add system heap presence test"

        "allocate_test.cpp",

        "exit_test.cpp",

        "heap_query.cpp",

        "system_heap.cpp",

        "invalid_values_test.cpp",

        "ion_test_fixture.cpp",

        "map_test.cpp",

/*

 * 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 <unistd.h>

#include <gtest/gtest.h>

#include <iostream>

#include <ion/ion.h>

#include "ion_test_fixture.h"

class SystemHeap : public IonTest {};

TEST_F(SystemHeap, Presence) {

    bool system_heap_found = false;

    for (const auto& heap : ion_heaps) {

        if (heap.type == ION_HEAP_TYPE_SYSTEM) {

            system_heap_found = true;

            EXPECT_TRUE((1 << heap.heap_id) & ION_HEAP_SYSTEM_MASK);

        }

    }

    // We now expect the system heap to exist from Android

    ASSERT_TRUE(system_heap_found);

}

TEST_F(SystemHeap, Allocate) {

    int fd;

    ASSERT_EQ(0, ion_alloc_fd(ionfd, getpagesize(), 0, ION_HEAP_SYSTEM_MASK, 0, &fd));

    ASSERT_TRUE(fd != 0);

    ASSERT_EQ(close(fd), 0);  // free the buffer

}