third_party/txt/tests/EmojiTest.cpp

/*
 * Copyright (C) 2016 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 <unicode/uchar.h>

#include <minikin/Emoji.h>

namespace minikin {

TEST(EmojiTest, isEmojiTest) {
  EXPECT_TRUE(isEmoji(0x0023));  // NUMBER SIGN
  EXPECT_TRUE(isEmoji(0x0035));  // DIGIT FIVE
  // EXPECT_TRUE(isEmoji(0x2640));  // FEMALE SIGN
  // EXPECT_TRUE(isEmoji(0x2642));  // MALE SIGN
  // EXPECT_TRUE(isEmoji(0x2695));  // STAFF OF AESCULAPIUS
  EXPECT_TRUE(isEmoji(0x1F0CF));  // PLAYING CARD BLACK JOKER
  EXPECT_TRUE(isEmoji(0x1F1E9));  // REGIONAL INDICATOR SYMBOL LETTER D
  EXPECT_TRUE(isEmoji(0x1F6F7));  // SLED
  EXPECT_TRUE(isEmoji(0x1F9E6));  // SOCKS

  EXPECT_FALSE(isEmoji(0x0000));   // <control>
  EXPECT_FALSE(isEmoji(0x0061));   // LATIN SMALL LETTER A
  EXPECT_FALSE(isEmoji(0x1F93B));  // MODERN PENTATHLON
  EXPECT_FALSE(isEmoji(0x1F946));  // RIFLE
  EXPECT_FALSE(isEmoji(0x29E3D));  // A han character.
}

TEST(EmojiTest, isEmojiModifierTest) {
  EXPECT_TRUE(isEmojiModifier(0x1F3FB));  // EMOJI MODIFIER FITZPATRICK TYPE-1-2
  EXPECT_TRUE(isEmojiModifier(0x1F3FC));  // EMOJI MODIFIER FITZPATRICK TYPE-3
  EXPECT_TRUE(isEmojiModifier(0x1F3FD));  // EMOJI MODIFIER FITZPATRICK TYPE-4
  EXPECT_TRUE(isEmojiModifier(0x1F3FE));  // EMOJI MODIFIER FITZPATRICK TYPE-5
  EXPECT_TRUE(isEmojiModifier(0x1F3FF));  // EMOJI MODIFIER FITZPATRICK TYPE-6

  EXPECT_FALSE(isEmojiModifier(0x0000));   // <control>
  EXPECT_FALSE(isEmojiModifier(0x1F3FA));  // AMPHORA
  EXPECT_FALSE(isEmojiModifier(0x1F400));  // RAT
  EXPECT_FALSE(isEmojiModifier(0x29E3D));  // A han character.
}

TEST(EmojiTest, isEmojiBaseTest) {
  EXPECT_TRUE(isEmojiBase(0x261D));   // WHITE UP POINTING INDEX
  EXPECT_TRUE(isEmojiBase(0x270D));   // WRITING HAND
  EXPECT_TRUE(isEmojiBase(0x1F385));  // FATHER CHRISTMAS
  // EXPECT_TRUE(isEmojiBase(0x1F3C2));  // SNOWBOARDER
  // EXPECT_TRUE(isEmojiBase(0x1F3C7));  // HORSE RACING
  // EXPECT_TRUE(isEmojiBase(0x1F3CC));  // GOLFER
  // EXPECT_TRUE(isEmojiBase(0x1F574));  // MAN IN BUSINESS SUIT LEVITATING
  // EXPECT_TRUE(isEmojiBase(0x1F6CC));  // SLEEPING ACCOMMODATION
  EXPECT_TRUE(isEmojiBase(
      0x1F91D));  // HANDSHAKE (removed from Emoji 4.0, but we need it)
  EXPECT_TRUE(isEmojiBase(0x1F91F));  // I LOVE YOU HAND SIGN
  EXPECT_TRUE(isEmojiBase(0x1F931));  // BREAST-FEEDING
  EXPECT_TRUE(isEmojiBase(0x1F932));  // PALMS UP TOGETHER
  EXPECT_TRUE(isEmojiBase(
      0x1F93C));  // WRESTLERS (removed from Emoji 4.0, but we need it)
  EXPECT_TRUE(isEmojiBase(0x1F9D1));  // ADULT
  EXPECT_TRUE(isEmojiBase(0x1F9DD));  // ELF

  EXPECT_FALSE(isEmojiBase(0x0000));   // <control>
  EXPECT_FALSE(isEmojiBase(0x261C));   // WHITE LEFT POINTING INDEX
  EXPECT_FALSE(isEmojiBase(0x1F384));  // CHRISTMAS TREE
  EXPECT_FALSE(isEmojiBase(0x1F9DE));  // GENIE
  EXPECT_FALSE(isEmojiBase(0x29E3D));  // A han character.
}

TEST(EmojiTest, emojiBidiOverrideTest) {
  EXPECT_EQ(U_RIGHT_TO_LEFT,
            emojiBidiOverride(nullptr, 0x05D0));  // HEBREW LETTER ALEF
  EXPECT_EQ(U_LEFT_TO_RIGHT,
            emojiBidiOverride(
                nullptr, 0x1F170));  // NEGATIVE SQUARED LATIN CAPITAL LETTER A
  EXPECT_EQ(U_OTHER_NEUTRAL, emojiBidiOverride(nullptr, 0x1F6F7));  // SLED
  EXPECT_EQ(U_OTHER_NEUTRAL, emojiBidiOverride(nullptr, 0x1F9E6));  // SOCKS
}

}  // namespace minikin