/*
 * Copyright 2013 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/SkFont.h"
#include "include/core/SkFontArguments.h"
#include "include/core/SkFontMgr.h"
#include "include/core/SkFontParameters.h"
#include "include/core/SkFontStyle.h"
#include "include/core/SkFontTypes.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkStream.h"
#include "include/core/SkString.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/private/base/SkDebug.h"
#include "include/private/base/SkMalloc.h"
#include "src/core/SkAdvancedTypefaceMetrics.h" // IWYU pragma: keep
#include "src/core/SkFontPriv.h"
#include "src/core/SkScalerContext.h"
#include "tests/Test.h"
#include "tools/flags/CommandLineFlags.h"
#include "tools/fonts/FontToolUtils.h"

#include <cstddef>
#include <cstdint>
#include <initializer_list>
#include <memory>
#include <vector>

class SkDescriptor;
class SkFontDescriptor;

DECLARE_bool(verboseFontMgr)

DEF_TEST(FontMgr_Font, reporter) {
    SkFont font(ToolUtils::DefaultTypeface(), 24);

    REPORTER_ASSERT(reporter, 24 == font.getSize());
    REPORTER_ASSERT(reporter, 1 == font.getScaleX());
    REPORTER_ASSERT(reporter, 0 == font.getSkewX());

    SkGlyphID glyphs[5];
    sk_bzero(glyphs, sizeof(glyphs));

    // Check that no glyphs are copied with insufficient storage.
    size_t count = font.textToGlyphs("Hello", 5, SkTextEncoding::kUTF8, {glyphs, 2});
    REPORTER_ASSERT(reporter, 5 == count);
    for (const auto glyph : glyphs) { REPORTER_ASSERT(reporter, glyph == 0); }

    SkAssertResult(font.textToGlyphs("Hello", 5, SkTextEncoding::kUTF8, glyphs) == count);

    for (size_t i = 0; i < count; ++i) {
        REPORTER_ASSERT(reporter, 0 != glyphs[i]);
    }
    REPORTER_ASSERT(reporter, glyphs[0] != glyphs[1]); // 'h' != 'e'
    REPORTER_ASSERT(reporter, glyphs[2] == glyphs[3]); // 'l' == 'l'

    const SkFont newFont(font.makeWithSize(36));
    REPORTER_ASSERT(reporter, font.getTypeface() == newFont.getTypeface());
    REPORTER_ASSERT(reporter, 36 == newFont.getSize());   // double check we haven't changed
    REPORTER_ASSERT(reporter, 24 == font.getSize());   // double check we haven't changed
}

/*
 *  If the font backend is going to "alias" some font names to other fonts
 *  (e.g. sans -> Arial) then we want to at least get the same typeface back
 *  if we request the alias name multiple times.
 */
DEF_TEST(FontMgr_AliasNames, reporter) {
    const char* inNames[] = {
        "sans", "sans-serif", "serif", "monospace", "times", "helvetica"
    };

    for (size_t i = 0; i < std::size(inNames); ++i) {
        sk_sp<SkTypeface> first(ToolUtils::CreateTestTypeface(inNames[i], SkFontStyle()));
        if (nullptr == first.get()) {
            continue;
        }
        SkString firstName;
        first->getFamilyName(&firstName);
        for (int j = 0; j < 10; ++j) {
            sk_sp<SkTypeface> face(ToolUtils::CreateTestTypeface(inNames[i], SkFontStyle()));

            SkString name;
            face->getFamilyName(&name);
            REPORTER_ASSERT(reporter, first->uniqueID() == face->uniqueID(),
                "Request \"%s\" First Name: \"%s\" Id: %x Received Name \"%s\" Id %x",
                inNames[i], firstName.c_str(), first->uniqueID(), name.c_str(), face->uniqueID());
        }
    }
}

DEF_TEST(FontMgr_Iter, reporter) {
    sk_sp<SkFontMgr> fm(ToolUtils::TestFontMgr());
    int count = fm->countFamilies();

    for (int i = 0; i < count; ++i) {
        SkString fname;
        fm->getFamilyName(i, &fname);

        sk_sp<SkFontStyleSet> fnset(fm->matchFamily(fname.c_str()));
        sk_sp<SkFontStyleSet> set(fm->createStyleSet(i));
        REPORTER_ASSERT(reporter, fnset->count() == set->count());

        if (FLAGS_verboseFontMgr) {
            SkDebugf("[%2d] %s\n", i, fname.c_str());
        }

        for (int j = 0; j < set->count(); ++j) {
            SkString sname;
            SkFontStyle fs;
            set->getStyle(j, &fs, &sname);

            if (FLAGS_verboseFontMgr) {
                SkDebugf("\t[%d] \"%s\" [%3d %d %d]\n", j, sname.c_str(),
                         fs.weight(), fs.width(), fs.slant());
            }

            sk_sp<SkTypeface> face1(set->createTypeface(j));
            if (!face1) {
                REPORTER_ASSERT(reporter, face1.get(),
                                "Could not create %s %s.", fname.c_str(), sname.c_str());
                continue;
            }
            SkString name1;
            face1->getFamilyName(&name1);
            SkFontStyle s1 = face1->fontStyle();

            sk_sp<SkTypeface::LocalizedStrings> otherNames(face1->createFamilyNameIterator());
            SkTypeface::LocalizedString otherName;
            while (otherNames->next(&otherName)) {
                if (FLAGS_verboseFontMgr) {
                    SkDebugf("\t\"%s\" aka \"%s\"\n", name1.c_str(), otherName.fString.c_str());
                }
            }

            SkString resource1;
            face1->getResourceName(&resource1);
            if (FLAGS_verboseFontMgr) {
                SkDebugf("\t\"%s\" from resource \"%s\"\n", name1.c_str(), resource1.c_str());
            }

            // Note that fs != s1 is fine, though probably rare.

            sk_sp<SkTypeface> face2(fm->matchFamilyStyle(name1.c_str(), s1));
            if (!face2) {
                // Some fonts cannot be looked up by name on our test machines
                if (name1.equals("Noto Emoji") || name1.equals("Noto Sans Phags Pa")) {
                    continue;
                }
                REPORTER_ASSERT(reporter, face2.get(), "Could not find %s", name1.c_str());
                continue;
            }
            SkString name2;
            face2->getFamilyName(&name2);

            REPORTER_ASSERT(reporter, name1 == name2, "%s == %s", name1.c_str(), name2.c_str());

            SkFontStyle s2 = face2->fontStyle();
            REPORTER_ASSERT(reporter, s1 == s2, "%s [%3d %d %d] != %s [%3d %d %d]",
                            name1.c_str(), s1.weight(), s1.width(), s1.slant(),
                            name2.c_str(), s2.weight(), s2.width(), s2.slant());
        }
    }
}

DEF_TEST(FontMgr_Match, reporter) {
    sk_sp<SkFontMgr> fm(ToolUtils::TestFontMgr());
    sk_sp<SkFontStyleSet> styleSet(fm->matchFamily(nullptr));
    REPORTER_ASSERT(reporter, styleSet);
}

DEF_TEST(FontMgr_MatchFamilyStyle, reporter) {
    sk_sp<SkFontMgr> fm(ToolUtils::TestFontMgr());

    sk_sp<SkFontStyleSet> styleSet(fm->matchFamily("Non Existing Family Name"));
    REPORTER_ASSERT(reporter, styleSet);
    REPORTER_ASSERT(reporter, styleSet->count() == 0);

    using FS = SkFontStyle;
    sk_sp<SkTypeface> typeface(fm->matchFamilyStyle("Non Existing Family Name", FS::Normal()));
    REPORTER_ASSERT(reporter, !typeface);

    // Test a long name with many interesting case folding code points.
    using FS = SkFontStyle;
    sk_sp<SkTypeface> typeface1(fm->matchFamilyStyle("ῢ ΰ ῤ ῦ ῧ Ῠ Ῡ Ὺ Ύ Ῥ ῲ ῳ ῴ ῶ ῷ Ὸ Ό Ὼ Ώ ῼ",
                                                     FS::Normal()));
    REPORTER_ASSERT(reporter, !typeface1);

    // TODO: enable after determining if a default font should be required.
    if ((false)) {
        sk_sp<SkTypeface> def(fm->matchFamilyStyle(nullptr, FS::Normal()));
        REPORTER_ASSERT(reporter, def);
    }
}

DEF_TEST(FontMgr_MatchStyleCSS3, reporter) {
    static const SkFontStyle invalidFontStyle(101, SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);

    class TestTypeface : public SkTypeface {
    public:
        TestTypeface(const SkFontStyle& fontStyle) : SkTypeface(fontStyle, false){}
    protected:
        std::unique_ptr<SkStreamAsset> onOpenStream(int* ttcIndex) const override { return nullptr; }
        sk_sp<SkTypeface> onMakeClone(const SkFontArguments& args) const override {
            return sk_ref_sp(this);
        }
        std::unique_ptr<SkScalerContext> onCreateScalerContext(
            const SkScalerContextEffects& effects, const SkDescriptor* desc) const override
        {
            return SkScalerContext::MakeEmpty(*const_cast<TestTypeface*>(this), effects, desc);
        }
        void onFilterRec(SkScalerContextRec*) const override { }
        std::unique_ptr<SkAdvancedTypefaceMetrics> onGetAdvancedMetrics() const override {
            return nullptr;
        }
        void onGetFontDescriptor(SkFontDescriptor*, bool*) const override { }
        void onCharsToGlyphs(SkSpan<const SkUnichar>, SkSpan<SkGlyphID> glyphs) const override {
            sk_bzero(glyphs.data(), glyphs.size_bytes());
        }
        int onCountGlyphs() const override { return 0; }
        void getPostScriptGlyphNames(SkString*) const override {}
        void getGlyphToUnicodeMap(SkSpan<SkUnichar>) const override {}
        int onGetUPEM() const override { return 0; }
        class EmptyLocalizedStrings : public SkTypeface::LocalizedStrings {
        public:
            bool next(SkTypeface::LocalizedString*) override { return false; }
        };
        void onGetFamilyName(SkString* familyName) const override {
            familyName->reset();
        }
        bool onGetPostScriptName(SkString*) const override { return false; }
        SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override {
            return new EmptyLocalizedStrings;
        }
        bool onGlyphMaskNeedsCurrentColor() const override { return false; }
        int onGetVariationDesignPosition(
                             SkSpan<SkFontArguments::VariationPosition::Coordinate>) const override
        {
            return 0;
        }
        int onGetVariationDesignParameters(SkSpan<SkFontParameters::Variation::Axis>) const override
        {
            return -1;
        }
        int onGetTableTags(SkSpan<SkFontTableTag>) const override { return 0; }
        size_t onGetTableData(SkFontTableTag, size_t, size_t, void*) const override {
            return 0;
        }
    };

    class TestFontStyleSet : public SkFontStyleSet {
    public:
        TestFontStyleSet(std::initializer_list<SkFontStyle> styles) : fStyles(styles) {}
        int count() override { return static_cast<int>(fStyles.size()); }
        void getStyle(int index, SkFontStyle* style, SkString*) override {
            if (style) {
                *style = fStyles[index];
            }
        }
        sk_sp<SkTypeface> createTypeface(int index) override {
            if (index < 0 || this->count() <= index) {
                return sk_sp<SkTypeface>(new TestTypeface(invalidFontStyle));
            }
            return sk_sp<SkTypeface>(new TestTypeface(fStyles[index]));
        }
        sk_sp<SkTypeface> matchStyle(const SkFontStyle& pattern) override {
            return this->matchStyleCSS3(pattern);
        }
    private:
        std::vector<SkFontStyle> fStyles;
    };

    SkFontStyle condensed_normal_100(SkFontStyle::kThin_Weight,  SkFontStyle::kCondensed_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle condensed_normal_900(SkFontStyle::kBlack_Weight, SkFontStyle::kCondensed_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle condensed_italic_100(SkFontStyle::kThin_Weight,  SkFontStyle::kCondensed_Width, SkFontStyle::kItalic_Slant);
    SkFontStyle condensed_italic_900(SkFontStyle::kBlack_Weight, SkFontStyle::kCondensed_Width, SkFontStyle::kItalic_Slant);
    SkFontStyle condensed_obliqu_100(SkFontStyle::kThin_Weight,  SkFontStyle::kCondensed_Width, SkFontStyle::kOblique_Slant);
    SkFontStyle condensed_obliqu_900(SkFontStyle::kBlack_Weight, SkFontStyle::kCondensed_Width, SkFontStyle::kOblique_Slant);
    SkFontStyle  expanded_normal_100(SkFontStyle::kThin_Weight,  SkFontStyle::kExpanded_Width,  SkFontStyle::kUpright_Slant);
    SkFontStyle  expanded_normal_900(SkFontStyle::kBlack_Weight, SkFontStyle::kExpanded_Width,  SkFontStyle::kUpright_Slant);
    SkFontStyle  expanded_italic_100(SkFontStyle::kThin_Weight,  SkFontStyle::kExpanded_Width,  SkFontStyle::kItalic_Slant);
    SkFontStyle  expanded_italic_900(SkFontStyle::kBlack_Weight, SkFontStyle::kExpanded_Width,  SkFontStyle::kItalic_Slant);
    SkFontStyle  expanded_obliqu_100(SkFontStyle::kThin_Weight,  SkFontStyle::kExpanded_Width,  SkFontStyle::kOblique_Slant);
    SkFontStyle  expanded_obliqu_900(SkFontStyle::kBlack_Weight, SkFontStyle::kExpanded_Width,  SkFontStyle::kOblique_Slant);

    SkFontStyle normal_normal_100(SkFontStyle::kThin_Weight,       SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle normal_normal_300(SkFontStyle::kLight_Weight,      SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle normal_normal_400(SkFontStyle::kNormal_Weight,     SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle normal_normal_500(SkFontStyle::kMedium_Weight,     SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle normal_normal_600(SkFontStyle::kSemiBold_Weight,   SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);
    SkFontStyle normal_normal_900(SkFontStyle::kBlack_Weight,      SkFontStyle::kNormal_Width, SkFontStyle::kUpright_Slant);

    struct StyleSetTest {
        TestFontStyleSet styleSet;
        struct Case {
            SkFontStyle pattern;
            SkFontStyle expectedResult;
        };
        std::vector<Case> cases;
    } tests[] = {
        {
            { normal_normal_500, normal_normal_400 },
            {
                { normal_normal_400, normal_normal_400 },
                { normal_normal_500, normal_normal_500 },
            },
        },

        {
            { normal_normal_500, normal_normal_300 },
            {
                { normal_normal_300, normal_normal_300 },
                { normal_normal_400, normal_normal_500 },
                { normal_normal_500, normal_normal_500 },
            },
        },

        {
            { condensed_normal_100,condensed_normal_900,condensed_italic_100,condensed_italic_900,
               expanded_normal_100, expanded_normal_900, expanded_italic_100, expanded_italic_900 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { condensed_normal_100,condensed_italic_100,expanded_normal_100,expanded_italic_100 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_100 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_100 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_100 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_100 },
            },
        },

        {
            { condensed_normal_900,condensed_italic_900,expanded_normal_900,expanded_italic_900 },
            {
                { condensed_normal_100, condensed_normal_900 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_italic_900 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, expanded_normal_900 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_italic_900 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { condensed_normal_100,condensed_normal_900,expanded_normal_100,expanded_normal_900 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_normal_100 },
                { condensed_italic_900, condensed_normal_900 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_normal_100 },
                { expanded_italic_900, expanded_normal_900 },
            },
        },

        {
            { condensed_normal_100,expanded_normal_100 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_100 },
                { condensed_italic_100, condensed_normal_100 },
                { condensed_italic_900, condensed_normal_100 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_100 },
                { expanded_italic_100, expanded_normal_100 },
                { expanded_italic_900, expanded_normal_100 },
            },
        },

        {
            { condensed_normal_900,expanded_normal_900 },
            {
                { condensed_normal_100, condensed_normal_900 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_normal_900 },
                { condensed_italic_900, condensed_normal_900 },
                { expanded_normal_100, expanded_normal_900 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_normal_900 },
                { expanded_italic_900, expanded_normal_900 },
            },
        },

        {
            { condensed_italic_100,condensed_italic_900,expanded_italic_100,expanded_italic_900 },
            {
                { condensed_normal_100, condensed_italic_100 },
                { condensed_normal_900, condensed_italic_900 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, expanded_italic_100 },
                { expanded_normal_900, expanded_italic_900 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { condensed_italic_100,expanded_italic_100 },
            {
                { condensed_normal_100, condensed_italic_100 },
                { condensed_normal_900, condensed_italic_100 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_100 },
                { expanded_normal_100, expanded_italic_100 },
                { expanded_normal_900, expanded_italic_100 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_100 },
            },
        },

        {
            { condensed_italic_900,expanded_italic_900 },
            {
                { condensed_normal_100, condensed_italic_900 },
                { condensed_normal_900, condensed_italic_900 },
                { condensed_italic_100, condensed_italic_900 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, expanded_italic_900 },
                { expanded_normal_900, expanded_italic_900 },
                { expanded_italic_100, expanded_italic_900 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { condensed_normal_100,condensed_normal_900,condensed_italic_100,condensed_italic_900 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, condensed_normal_100 },
                { expanded_normal_900, condensed_normal_900 },
                { expanded_italic_100, condensed_italic_100 },
                { expanded_italic_900, condensed_italic_900 },
            },
        },

        {
            { condensed_normal_100,condensed_italic_100 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_100 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_100 },
                { expanded_normal_100, condensed_normal_100 },
                { expanded_normal_900, condensed_normal_100 },
                { expanded_italic_100, condensed_italic_100 },
                { expanded_italic_900, condensed_italic_100 },
            },
        },

        {
            { condensed_normal_900,condensed_italic_900 },
            {
                { condensed_normal_100, condensed_normal_900 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_italic_900 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, condensed_normal_900 },
                { expanded_normal_900, condensed_normal_900 },
                { expanded_italic_100, condensed_italic_900 },
                { expanded_italic_900, condensed_italic_900 },
            },
        },

        {
            { condensed_normal_100,condensed_normal_900 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_normal_100 },
                { condensed_italic_900, condensed_normal_900 },
                { expanded_normal_100, condensed_normal_100 },
                { expanded_normal_900, condensed_normal_900 },
                { expanded_italic_100, condensed_normal_100 },
                { expanded_italic_900, condensed_normal_900 },
            },
        },

        {
            { condensed_normal_100 },
            {
                { condensed_normal_100, condensed_normal_100 },
                { condensed_normal_900, condensed_normal_100 },
                { condensed_italic_100, condensed_normal_100 },
                { condensed_italic_900, condensed_normal_100 },
                { expanded_normal_100, condensed_normal_100 },
                { expanded_normal_900, condensed_normal_100 },
                { expanded_italic_100, condensed_normal_100 },
                { expanded_italic_900, condensed_normal_100 },
            },
        },

        {
            { condensed_normal_900 },
            {
                { condensed_normal_100, condensed_normal_900 },
                { condensed_normal_900, condensed_normal_900 },
                { condensed_italic_100, condensed_normal_900 },
                { condensed_italic_900, condensed_normal_900 },
                { expanded_normal_100, condensed_normal_900 },
                { expanded_normal_900, condensed_normal_900 },
                { expanded_italic_100, condensed_normal_900 },
                { expanded_italic_900, condensed_normal_900 },
            },
        },

        {
            { condensed_italic_100,condensed_italic_900 },
            {
                { condensed_normal_100, condensed_italic_100 },
                { condensed_normal_900, condensed_italic_900 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, condensed_italic_100 },
                { expanded_normal_900, condensed_italic_900 },
                { expanded_italic_100, condensed_italic_100 },
                { expanded_italic_900, condensed_italic_900 },
            },
        },

        {
            { condensed_italic_100 },
            {
                { condensed_normal_100, condensed_italic_100 },
                { condensed_normal_900, condensed_italic_100 },
                { condensed_italic_100, condensed_italic_100 },
                { condensed_italic_900, condensed_italic_100 },
                { expanded_normal_100, condensed_italic_100 },
                { expanded_normal_900, condensed_italic_100 },
                { expanded_italic_100, condensed_italic_100 },
                { expanded_italic_900, condensed_italic_100 },
            },
        },

        {
            { condensed_italic_900 },
            {
                { condensed_normal_100, condensed_italic_900 },
                { condensed_normal_900, condensed_italic_900 },
                { condensed_italic_100, condensed_italic_900 },
                { condensed_italic_900, condensed_italic_900 },
                { expanded_normal_100, condensed_italic_900 },
                { expanded_normal_900, condensed_italic_900 },
                { expanded_italic_100, condensed_italic_900 },
                { expanded_italic_900, condensed_italic_900 },
            },
        },

        {
            { expanded_normal_100,expanded_normal_900,
              expanded_italic_100,expanded_italic_900 },
            {
                { condensed_normal_100, expanded_normal_100 },
                { condensed_normal_900, expanded_normal_900 },
                { condensed_italic_100, expanded_italic_100 },
                { condensed_italic_900, expanded_italic_900 },
                { condensed_obliqu_100, expanded_italic_100 },
                { condensed_obliqu_900, expanded_italic_900 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_900 },
                { expanded_obliqu_100, expanded_italic_100 },
                { expanded_obliqu_900, expanded_italic_900 },
            },
        },

        {
            { expanded_normal_100,expanded_italic_100 },
            {
                { condensed_normal_100, expanded_normal_100 },
                { condensed_normal_900, expanded_normal_100 },
                { condensed_italic_100, expanded_italic_100 },
                { condensed_italic_900, expanded_italic_100 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_100 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_100 },
            },
        },

        {
            { expanded_normal_900,expanded_italic_900 },
            {
                { condensed_normal_100, expanded_normal_900 },
                { condensed_normal_900, expanded_normal_900 },
                { condensed_italic_100, expanded_italic_900 },
                { condensed_italic_900, expanded_italic_900 },
                { expanded_normal_100, expanded_normal_900 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_italic_900 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { expanded_normal_100,expanded_normal_900 },
            {
                { condensed_normal_100, expanded_normal_100 },
                { condensed_normal_900, expanded_normal_900 },
                { condensed_italic_100, expanded_normal_100 },
                { condensed_italic_900, expanded_normal_900 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_normal_100 },
                { expanded_italic_900, expanded_normal_900 },
            },
        },

        {
            { expanded_normal_100 },
            {
                { condensed_normal_100, expanded_normal_100 },
                { condensed_normal_900, expanded_normal_100 },
                { condensed_italic_100, expanded_normal_100 },
                { condensed_italic_900, expanded_normal_100 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_100 },
                { expanded_italic_100, expanded_normal_100 },
                { expanded_italic_900, expanded_normal_100 },
            },
        },

        {
            { expanded_normal_900 },
            {
                { condensed_normal_100, expanded_normal_900 },
                { condensed_normal_900, expanded_normal_900 },
                { condensed_italic_100, expanded_normal_900 },
                { condensed_italic_900, expanded_normal_900 },
                { expanded_normal_100, expanded_normal_900 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_normal_900 },
                { expanded_italic_900, expanded_normal_900 },
            },
        },

        {
            { expanded_italic_100,expanded_italic_900 },
            {
                { condensed_normal_100, expanded_italic_100 },
                { condensed_normal_900, expanded_italic_900 },
                { condensed_italic_100, expanded_italic_100 },
                { condensed_italic_900, expanded_italic_900 },
                { expanded_normal_100, expanded_italic_100 },
                { expanded_normal_900, expanded_italic_900 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { expanded_italic_100 },
            {
                { condensed_normal_100, expanded_italic_100 },
                { condensed_normal_900, expanded_italic_100 },
                { condensed_italic_100, expanded_italic_100 },
                { condensed_italic_900, expanded_italic_100 },
                { expanded_normal_100, expanded_italic_100 },
                { expanded_normal_900, expanded_italic_100 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_100 },
            },
        },

        {
            { expanded_italic_900 },
            {
                { condensed_normal_100, expanded_italic_900 },
                { condensed_normal_900, expanded_italic_900 },
                { condensed_italic_100, expanded_italic_900 },
                { condensed_italic_900, expanded_italic_900 },
                { expanded_normal_100, expanded_italic_900 },
                { expanded_normal_900, expanded_italic_900 },
                { expanded_italic_100, expanded_italic_900 },
                { expanded_italic_900, expanded_italic_900 },
            },
        },

        {
            { normal_normal_100, normal_normal_900 },
            {
                { normal_normal_300, normal_normal_100 },
                { normal_normal_400, normal_normal_100 },
                { normal_normal_500, normal_normal_100 },
                { normal_normal_600, normal_normal_900 },
            },
        },

        {
            { normal_normal_100, normal_normal_400, normal_normal_900 },
            {
                { normal_normal_300, normal_normal_100 },
                { normal_normal_400, normal_normal_400 },
                { normal_normal_500, normal_normal_400 },
                { normal_normal_600, normal_normal_900 },
            },
        },

        {
            { normal_normal_100, normal_normal_500, normal_normal_900 },
            {
                { normal_normal_300, normal_normal_100 },
                { normal_normal_400, normal_normal_500 },
                { normal_normal_500, normal_normal_500 },
                { normal_normal_600, normal_normal_900 },
            },
        },

        {
            { },
            {
                { normal_normal_300, invalidFontStyle },
                { normal_normal_400, invalidFontStyle },
                { normal_normal_500, invalidFontStyle },
                { normal_normal_600, invalidFontStyle },
            },
        },
        {
            { expanded_normal_100,expanded_normal_900,
              expanded_italic_100,expanded_italic_900,
              expanded_obliqu_100,expanded_obliqu_900, },
            {
                { condensed_normal_100, expanded_normal_100 },
                { condensed_normal_900, expanded_normal_900 },
                { condensed_italic_100, expanded_italic_100 },
                { condensed_italic_900, expanded_italic_900 },
                { condensed_obliqu_100, expanded_obliqu_100 },
                { condensed_obliqu_900, expanded_obliqu_900 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_900 },
                { expanded_obliqu_100, expanded_obliqu_100 },
                { expanded_obliqu_900, expanded_obliqu_900 },
            },
        },
        {
            { expanded_normal_100,expanded_normal_900,
              expanded_obliqu_100,expanded_obliqu_900, },
            {
                { condensed_normal_100, expanded_normal_100 },
                { condensed_normal_900, expanded_normal_900 },
                { condensed_italic_100, expanded_obliqu_100 },
                { condensed_italic_900, expanded_obliqu_900 },
                { condensed_obliqu_100, expanded_obliqu_100 },
                { condensed_obliqu_900, expanded_obliqu_900 },
                { expanded_normal_100, expanded_normal_100 },
                { expanded_normal_900, expanded_normal_900 },
                { expanded_italic_100, expanded_obliqu_100 },
                { expanded_italic_900, expanded_obliqu_900 },
                { expanded_obliqu_100, expanded_obliqu_100 },
                { expanded_obliqu_900, expanded_obliqu_900 },
            },
        },
        {
            { expanded_italic_100,expanded_italic_900,
              expanded_obliqu_100,expanded_obliqu_900, },
            {
                { condensed_normal_100, expanded_obliqu_100 },
                { condensed_normal_900, expanded_obliqu_900 },
                { condensed_italic_100, expanded_italic_100 },
                { condensed_italic_900, expanded_italic_900 },
                { condensed_obliqu_100, expanded_obliqu_100 },
                { condensed_obliqu_900, expanded_obliqu_900 },
                { expanded_normal_100, expanded_obliqu_100 },
                { expanded_normal_900, expanded_obliqu_900 },
                { expanded_italic_100, expanded_italic_100 },
                { expanded_italic_900, expanded_italic_900 },
                { expanded_obliqu_100, expanded_obliqu_100 },
                { expanded_obliqu_900, expanded_obliqu_900 },
            },
        },
    };

    for (StyleSetTest& test : tests) {
        for (const StyleSetTest::Case& testCase : test.cases) {
            sk_sp<SkTypeface> typeface(test.styleSet.matchStyle(testCase.pattern));
            if (typeface) {
                REPORTER_ASSERT(reporter, typeface->fontStyle() == testCase.expectedResult);
            } else {
                REPORTER_ASSERT(reporter, invalidFontStyle == testCase.expectedResult);
            }
        }
    }
}

DEF_TEST(FontMgr_MatchCharacter, reporter) {
    sk_sp<SkFontMgr> fm(ToolUtils::TestFontMgr());
    // 0xD800 <= codepoint <= 0xDFFF || 0x10FFFF < codepoint are invalid
    fm->matchFamilyStyleCharacter("Blah", SkFontStyle::Normal(), nullptr, 0, 0x0);
    fm->matchFamilyStyleCharacter("Blah", SkFontStyle::Normal(), nullptr, 0, 0xD800);
    fm->matchFamilyStyleCharacter("Blah", SkFontStyle::Normal(), nullptr, 0, 0xDFFF);
    fm->matchFamilyStyleCharacter("Blah", SkFontStyle::Normal(), nullptr, 0, 0x110000);
    fm->matchFamilyStyleCharacter("Blah", SkFontStyle::Normal(), nullptr, 0, 0x1FFFFF);
    fm->matchFamilyStyleCharacter("Blah", SkFontStyle::Normal(), nullptr, 0, -1);
}