/*
 * Copyright 2011 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "include/core/SkScalar.h"
#include "tests/Test.h"
#include "tools/SkMetaData.h"

#include <array>
#include <cstddef>
#include <cstdint>
#include <cstring>

DEF_TEST(MetaData, reporter) {
    SkMetaData m1;

    REPORTER_ASSERT(reporter, !m1.findS32("int"));
    REPORTER_ASSERT(reporter, !m1.findScalar("scalar"));
    REPORTER_ASSERT(reporter, !m1.removeS32("int"));
    REPORTER_ASSERT(reporter, !m1.removeScalar("scalar"));

    m1.setS32("int", 12345);
    m1.setScalar("scalar", SK_Scalar1 * 42);
    m1.setPtr("ptr", &m1);
    m1.setBool("true", true);
    m1.setBool("false", false);

    int32_t n;
    SkScalar s;

    m1.setScalar("scalar", SK_Scalar1/2);

    REPORTER_ASSERT(reporter, m1.findS32("int", &n) && n == 12345);
    REPORTER_ASSERT(reporter, m1.findScalar("scalar", &s) && s == SK_Scalar1/2);
    REPORTER_ASSERT(reporter, m1.hasBool("true", true));
    REPORTER_ASSERT(reporter, m1.hasBool("false", false));

    SkMetaData::Iter iter(m1);
    const char* name;

    struct Elems {
        const char*         fName;
        SkMetaData::Type    fType;
        int                 fCount;
    };
    static const auto gElems = std::to_array<Elems>({
            Elems{ "int",    SkMetaData::kS32_Type,     1 },
            Elems{ "scalar", SkMetaData::kScalar_Type,  1 },
            Elems{ "ptr",    SkMetaData::kPtr_Type,     1 },
            Elems{ "true",   SkMetaData::kBool_Type,    1 },
            Elems{ "false",  SkMetaData::kBool_Type,    1 }
    });

    size_t loop = 0;
    int count;
    SkMetaData::Type t;
    while ((name = iter.next(&t, &count)) != nullptr)
    {
        int match = 0;
        for (unsigned i = 0; i < std::size(gElems); i++)
        {
            if (!strcmp(name, gElems[i].fName))
            {
                match += 1;
                REPORTER_ASSERT(reporter, gElems[i].fType == t);
                REPORTER_ASSERT(reporter, gElems[i].fCount == count);
            }
        }
        REPORTER_ASSERT(reporter, match == 1);
        loop += 1;
    }
    REPORTER_ASSERT(reporter, loop == std::size(gElems));

    REPORTER_ASSERT(reporter, m1.removeS32("int"));
    REPORTER_ASSERT(reporter, m1.removeScalar("scalar"));
    REPORTER_ASSERT(reporter, m1.removeBool("true"));
    REPORTER_ASSERT(reporter, m1.removeBool("false"));

    REPORTER_ASSERT(reporter, !m1.findS32("int"));
    REPORTER_ASSERT(reporter, !m1.findScalar("scalar"));
    REPORTER_ASSERT(reporter, !m1.findBool("true"));
    REPORTER_ASSERT(reporter, !m1.findBool("false"));
}