TestScript.cpp - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "gtest/gtest.h"

#include "mozilla/intl/UnicodeProperties.h"

#include "mozilla/intl/UnicodeScriptCodes.h"

namespace mozilla::intl {

TEST(IntlScript, GetExtensions)

  UnicodeProperties::ScriptExtensionVector extensions;

  // 0x0000..0x0040 are Common.

  for (char32_t ch = 0; ch < 0x0041; ch++) {

    ASSERT_TRUE(UnicodeProperties::GetExtensions(ch, extensions).isOk());

    ASSERT_EQ(extensions.length(), 1u);

    ASSERT_EQ(Script(extensions[0]), Script::COMMON);

  // 0x0300..0x0341 are Inherited.

  for (char32_t ch = 0x300; ch < 0x0341; ch++) {

    ASSERT_TRUE(UnicodeProperties::GetExtensions(ch, extensions).isOk());

    ASSERT_EQ(extensions.length(), 1u);

    ASSERT_EQ(Script(extensions[0]), Script::INHERITED);

  // 0x1cf7's script code is Common, but its script extension is Beng.

  ASSERT_TRUE(UnicodeProperties::GetExtensions(0x1cf7, extensions).isOk());

  ASSERT_EQ(extensions.length(), 1u);

  ASSERT_EQ(Script(extensions[0]), Script::BENGALI);

  // ؿ

  // https://unicode-table.com/en/063F/

  // This character doesn't have any script extension, so the script code is

  // returned.

  ASSERT_TRUE(UnicodeProperties::GetExtensions(0x063f, extensions).isOk());

  ASSERT_EQ(extensions.length(), 1u);

  ASSERT_EQ(Script(extensions[0]), Script::ARABIC);

  // 0xff65 is the unicode character '･', see https://unicode-table.com/en/FF65/

  // Halfwidth Katakana Middle Dot.

  ASSERT_TRUE(UnicodeProperties::GetExtensions(0xff65, extensions).isOk());

  // 0xff65 should have the following script extensions:

  // Bopo Hang Hani Hira Kana Yiii.

  ASSERT_EQ(extensions.length(), 6u);

  ASSERT_EQ(Script(extensions[0]), Script::BOPOMOFO);

  ASSERT_EQ(Script(extensions[1]), Script::HAN);

  ASSERT_EQ(Script(extensions[2]), Script::HANGUL);

  ASSERT_EQ(Script(extensions[3]), Script::HIRAGANA);

  ASSERT_EQ(Script(extensions[4]), Script::KATAKANA);

  ASSERT_EQ(Script(extensions[5]), Script::YI);

  // The max code point is 0x10ffff, so 0x110000 should be invalid.

  // Script::UNKNOWN should be returned for an invalid code point.

  ASSERT_TRUE(UnicodeProperties::GetExtensions(0x110000, extensions).isOk());

  ASSERT_EQ(extensions.length(), 1u);

  ASSERT_EQ(Script(extensions[0]), Script::UNKNOWN);

}  // namespace mozilla::intl