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/*
 * Copyright (C) 2018 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 <liblp/liblp.h>

#include "utility.h"

using namespace android;
using namespace android::fs_mgr;

TEST(liblp, SlotNumberForSlotSuffix) {
    EXPECT_EQ(SlotNumberForSlotSuffix(""), 0);
    EXPECT_EQ(SlotNumberForSlotSuffix("_a"), 0);
    EXPECT_EQ(SlotNumberForSlotSuffix("_b"), 1);
    EXPECT_EQ(SlotNumberForSlotSuffix("_c"), 2);
    EXPECT_EQ(SlotNumberForSlotSuffix("_d"), 3);
}

TEST(liblp, GetMetadataOffset) {
    LpMetadataGeometry geometry = {LP_METADATA_GEOMETRY_MAGIC,
                                   sizeof(geometry),
                                   {0},
                                   16384,
                                   4,
                                   10000,
                                   80000,
                                   0,
                                   0,
                                   1024 * 1024,
                                   4096};
    EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 0), 4096);
    EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 1), 4096 + 16384);
    EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 2), 4096 + 16384 * 2);
    EXPECT_EQ(GetPrimaryMetadataOffset(geometry, 3), 4096 + 16384 * 3);

    EXPECT_EQ(GetBackupMetadataOffset(geometry, 3), -4096 - 16384 * 1);
    EXPECT_EQ(GetBackupMetadataOffset(geometry, 2), -4096 - 16384 * 2);
    EXPECT_EQ(GetBackupMetadataOffset(geometry, 1), -4096 - 16384 * 3);
    EXPECT_EQ(GetBackupMetadataOffset(geometry, 0), -4096 - 16384 * 4);
}

TEST(liblp, AlignTo) {
    EXPECT_EQ(AlignTo(37, 0), 37);
    EXPECT_EQ(AlignTo(1024, 1024), 1024);
    EXPECT_EQ(AlignTo(555, 1024), 1024);
    EXPECT_EQ(AlignTo(555, 1000), 1000);
    EXPECT_EQ(AlignTo(0, 1024), 0);
    EXPECT_EQ(AlignTo(54, 32, 30), 62);
    EXPECT_EQ(AlignTo(32, 32, 30), 62);
    EXPECT_EQ(AlignTo(17, 32, 30), 30);
}