tests/corelib_2/regexp/unicode-property-special_test.dart

// Copyright (c) 2019, the Dart project authors. All rights reserved.
// Copyright 2016 the V8 project authors. All rights reserved.
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// @dart = 2.9

import 'package:expect/expect.dart';

import 'v8_regexp_utils.dart';

void main() {
  void t(RegExp re, String s) {
    assertTrue(re.hasMatch(s));
  }

  void f(RegExp re, String s) {
    assertFalse(re.hasMatch(s));
  }

  t(RegExp(r"\p{ASCII}+", unicode: true), "abc123");
  f(RegExp(r"\p{ASCII}+", unicode: true), "ⓐⓑⓒ①②③");
  f(RegExp(r"\p{ASCII}+", unicode: true), "🄰🄱🄲①②③");
  f(RegExp(r"\P{ASCII}+", unicode: true), "abcd123");
  t(RegExp(r"\P{ASCII}+", unicode: true), "ⓐⓑⓒ①②③");
  t(RegExp(r"\P{ASCII}+", unicode: true), "🄰🄱🄲①②③");

  f(RegExp(r"[^\p{ASCII}]+", unicode: true), "abc123");
  f(RegExp(r"[\p{ASCII}]+", unicode: true), "ⓐⓑⓒ①②③");
  f(RegExp(r"[\p{ASCII}]+", unicode: true), "🄰🄱🄲①②③");
  t(RegExp(r"[^\P{ASCII}]+", unicode: true), "abcd123");
  t(RegExp(r"[\P{ASCII}]+", unicode: true), "ⓐⓑⓒ①②③");
  f(RegExp(r"[^\P{ASCII}]+", unicode: true), "🄰🄱🄲①②③");

  t(RegExp(r"\p{Any}+", unicode: true), "🄰🄱🄲①②③");

  shouldBe(
      RegExp(r"\p{Any}", unicode: true).firstMatch("\ud800\ud801"), ["\ud800"]);
  shouldBe(
      RegExp(r"\p{Any}", unicode: true).firstMatch("\udc00\udc01"), ["\udc00"]);
  shouldBe(RegExp(r"\p{Any}", unicode: true).firstMatch("\ud800\udc01"),
      ["\ud800\udc01"]);
  shouldBe(RegExp(r"\p{Any}", unicode: true).firstMatch("\udc01"), ["\udc01"]);

  f(RegExp(r"\P{Any}+", unicode: true), "123");
  f(RegExp(r"[\P{Any}]+", unicode: true), "123");
  t(RegExp(r"[\P{Any}\d]+", unicode: true), "123");
  t(RegExp(r"[^\P{Any}]+", unicode: true), "123");

  t(RegExp(r"\p{Assigned}+", unicode: true), "123");
  t(RegExp(r"\p{Assigned}+", unicode: true), "🄰🄱🄲");
  f(RegExp(r"\p{Assigned}+", unicode: true), "\ufdd0");
  f(RegExp(r"\p{Assigned}+", unicode: true), "\u{fffff}");

  f(RegExp(r"\P{Assigned}+", unicode: true), "123");
  f(RegExp(r"\P{Assigned}+", unicode: true), "🄰🄱🄲");
  t(RegExp(r"\P{Assigned}+", unicode: true), "\ufdd0");
  t(RegExp(r"\P{Assigned}+", unicode: true), "\u{fffff}");
  f(RegExp(r"\P{Assigned}", unicode: true), "");

  t(RegExp(r"[^\P{Assigned}]+", unicode: true), "123");
  f(RegExp(r"[\P{Assigned}]+", unicode: true), "🄰🄱🄲");
  f(RegExp(r"[^\P{Assigned}]+", unicode: true), "\ufdd0");
  t(RegExp(r"[\P{Assigned}]+", unicode: true), "\u{fffff}");
  f(RegExp(r"[\P{Assigned}]", unicode: true), "");

  f(RegExp(r"[^\u1234\p{ASCII}]+", unicode: true), "\u1234");
  t(RegExp(r"[x\P{ASCII}]+", unicode: true), "x");
  t(RegExp(r"[\u1234\p{ASCII}]+", unicode: true), "\u1234");

// Contributory binary properties are not supported.
  assertThrows(() => RegExp("\\p{Other_Alphabetic}", unicode: true));
  assertThrows(() => RegExp("\\P{OAlpha}", unicode: true));
  assertThrows(
      () => RegExp("\\p{Other_Default_Ignorable_Code_Point}", unicode: true));
  assertThrows(() => RegExp("\\P{ODI}", unicode: true));
  assertThrows(() => RegExp("\\p{Other_Grapheme_Extend}", unicode: true));
  assertThrows(() => RegExp("\\P{OGr_Ext}", unicode: true));
  assertThrows(() => RegExp("\\p{Other_ID_Continue}", unicode: true));
  assertThrows(() => RegExp("\\P{OIDC}", unicode: true));
  assertThrows(() => RegExp("\\p{Other_ID_Start}", unicode: true));
  assertThrows(() => RegExp("\\P{OIDS}", unicode: true));
  assertThrows(() => RegExp("\\p{Other_Lowercase}", unicode: true));
  assertThrows(() => RegExp("\\P{OLower}", unicode: true));
  assertThrows(() => RegExp("\\p{Other_Math}", unicode: true));
  assertThrows(() => RegExp("\\P{OMath}", unicode: true));
  assertThrows(() => RegExp("\\p{Other_Uppercase}", unicode: true));
  assertThrows(() => RegExp("\\P{OUpper}", unicode: true));
}