intl/components/gtest/TestScript.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4 #include "gtest/gtest.h"
   5
   6 #include "mozilla/intl/UnicodeProperties.h"
   7 #include "mozilla/intl/UnicodeScriptCodes.h"
   8
   9 namespace mozilla::intl {
  10 TEST(IntlScript, GetExtensions)
  11 {
  12   UnicodeProperties::ScriptExtensionVector extensions;
  13
  14   // 0x0000..0x0040 are Common.
  15   for (char32_t ch = 0; ch < 0x0041; ch++) {
  16     ASSERT_TRUE(UnicodeProperties::GetExtensions(ch, extensions).isOk());
  17     ASSERT_EQ(extensions.length(), 1u);
  18     ASSERT_EQ(Script(extensions[0]), Script::COMMON);
  19   }
  20
  21   // 0x0300..0x0341 are Inherited.
  22   for (char32_t ch = 0x300; ch < 0x0341; ch++) {
  23     ASSERT_TRUE(UnicodeProperties::GetExtensions(ch, extensions).isOk());
  24     ASSERT_EQ(extensions.length(), 1u);
  25     ASSERT_EQ(Script(extensions[0]), Script::INHERITED);
  26   }
  27
  28   // 0x1cf7's script code is Common, but its script extension is Beng.
  29   ASSERT_TRUE(UnicodeProperties::GetExtensions(0x1cf7, extensions).isOk());
  30   ASSERT_EQ(extensions.length(), 1u);
  31   ASSERT_EQ(Script(extensions[0]), Script::BENGALI);
  32
  33   // ؿ
  34   // https://unicode-table.com/en/063F/
  35   // This character doesn't have any script extension, so the script code is
  36   // returned.
  37   ASSERT_TRUE(UnicodeProperties::GetExtensions(0x063f, extensions).isOk());
  38   ASSERT_EQ(extensions.length(), 1u);
  39   ASSERT_EQ(Script(extensions[0]), Script::ARABIC);
  40
  41   // 0xff65 is the unicode character '･', see https://unicode-table.com/en/FF65/
  42   // Halfwidth Katakana Middle Dot.
  43   ASSERT_TRUE(UnicodeProperties::GetExtensions(0xff65, extensions).isOk());
  44
  45   // 0xff65 should have the following script extensions:
  46   // Bopo Hang Hani Hira Kana Yiii.
  47   ASSERT_EQ(extensions.length(), 6u);
  48
  49   ASSERT_EQ(Script(extensions[0]), Script::BOPOMOFO);
  50   ASSERT_EQ(Script(extensions[1]), Script::HAN);
  51   ASSERT_EQ(Script(extensions[2]), Script::HANGUL);
  52   ASSERT_EQ(Script(extensions[3]), Script::HIRAGANA);
  53   ASSERT_EQ(Script(extensions[4]), Script::KATAKANA);
  54   ASSERT_EQ(Script(extensions[5]), Script::YI);
  55
  56   // The max code point is 0x10ffff, so 0x110000 should be invalid.
  57   // Script::UNKNOWN should be returned for an invalid code point.
  58   ASSERT_TRUE(UnicodeProperties::GetExtensions(0x110000, extensions).isOk());
  59   ASSERT_EQ(extensions.length(), 1u);
  60   ASSERT_EQ(Script(extensions[0]), Script::UNKNOWN);
  61 }
  62 }  // namespace mozilla::intl