// Copyright 2023 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --js-regexp-modifiers

function test_invalid(re) {
  assertEarlyError(`/${re}/`);
  assertThrowsAtRuntime(`new RegExp('${re}')`, SyntaxError);
}

test_invalid('(?-:.)');
test_invalid('(?--:.)');
test_invalid('(?mm:.)');
test_invalid('(?ii:.)');
test_invalid('(?ss:.)');
test_invalid('(?-mm:.)');
test_invalid('(?-ii:.)');
test_invalid('(?-ss:.)');
test_invalid('(?g-:.)');
test_invalid('(?-u:.)');
test_invalid('(?m-m:.)');
test_invalid('(?i-i:.)');
test_invalid('(?s-s:.)');
test_invalid('(?msi-ims:.)');
test_invalid('(?i--m:.)');
test_invalid('(?i<)');
test_invalid('(?i=)');
test_invalid('(?i!)');
test_invalid('(?m<)');
test_invalid('(?m=)');
test_invalid('(?m!)');
test_invalid('(?s<)');
test_invalid('(?s=)');
test_invalid('(?s!)');
test_invalid('(?-<)');
test_invalid('(?-=)');
test_invalid('(?-!)');

function test(re, expectedMatch, expectedNoMatch = []) {
  for (const match of expectedMatch) {
    assertTrue(re.test(match), `${re}.test(${match})`);
  }
  for (const match of expectedNoMatch) {
    assertFalse(re.test(match), `${re}.test(${match})`);
  }
}

test(/(?i:ba)r/, ['bar', 'Bar', 'BAr'], ['BAR', 'BaR']);
test(/(?-i:ba)r/i, ['bar', 'baR'], ['Bar', 'BAR']);
test(/F(?i:oo(?-i:b)a)r/, ['Foobar', 'FoObAr'], ['FooBar', 'FoobaR']);
test(/F(?i:oo(?i:b)a)r/, ['Foobar', 'FoObAr', 'FOOBAr'], ['FoobaR']);
test(/^[a-z](?-i:[a-z])$/i, ['ab', 'Ab'], ['aB']);
test(/^(?i:[a-z])[a-z]$/, ['ab', 'Ab'], ['aB']);
test(
    /Foo(?i:B[\q{ĀĂĄ|AaA}--\q{āăą}])r/v, ['FooBaaar', 'FoobAAAr'],
    ['FooBĀĂĄr', 'FooBaaaR']);

test(/(?m:^foo$)/, ['foo', '\nfoo', 'foo\n', '\nfoo\n'], ['xfoo', 'foox']);

test(
    /(?s:^.$)/, ['a', 'A', '0', '\n', '\r', '\u2028', '\u2029', 'π'],
    ['\u{10300}']);

test(
    /(?ms-i:^f.o$)/i, ['foo', '\nf\ro', 'f\no\n', '\nfπo\n'],
    ['Foo', '\nf\nO', 'foO\n', '\nFOO\n']);
test(
    /(?m:^f(?si:.o)$)/, ['foo', '\nfoO', 'f\no\n', '\nf\rO\n'],
    ['Foo', 'F\no\n']);
test(/(?i:.oo)/, ['Foo', 'FOO', 'fOo', 'foO']);