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fix(compiler): fix utf8encode, move to sharted utils, add tests (#15076)

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This commit is contained in:
Victor Berchet
2017-03-14 17:13:39 -07:00
committed by Chuck Jazdzewski
parent 3b1956bbf2
commit 959a03a61f
4 changed files with 77 additions and 48 deletions
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46
packages/compiler/test/util_spec.ts
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@ -7,9 +7,7 @@
*/
import {fakeAsync} from '@angular/core/testing/src/fake_async';
import {describe, expect, it} from '@angular/core/testing/src/testing_internal';
import {SyncAsyncResult, escapeRegExp, splitAtColon} from '../src/util';
import {SyncAsyncResult, escapeRegExp, splitAtColon, utf8Encode} from '../src/util';
export function main() {
describe('util', () => {
@ -45,5 +43,45 @@ export function main() {
expect(new RegExp(escapeRegExp('a.b')).exec('axb')).toBeFalsy();
});
});
describe('utf8encode', () => {
// tests from https://github.com/mathiasbynens/wtf-8
it('should encode to utf8', () => {
const tests = [
['abc', 'abc'],
// // 1-byte
['\0', '\0'],
// // 2-byte
['\u0080', '\xc2\x80'],
['\u05ca', '\xd7\x8a'],
['\u07ff', '\xdf\xbf'],
// // 3-byte
['\u0800', '\xe0\xa0\x80'],
['\u2c3c', '\xe2\xb0\xbc'],
['\uffff', '\xef\xbf\xbf'],
// //4-byte
['\uD800\uDC00', '\xF0\x90\x80\x80'],
['\uD834\uDF06', '\xF0\x9D\x8C\x86'],
['\uDBFF\uDFFF', '\xF4\x8F\xBF\xBF'],
// unmatched surrogate halves
// high surrogates: 0xD800 to 0xDBFF
['\uD800', '\xED\xA0\x80'],
['\uD800\uD800', '\xED\xA0\x80\xED\xA0\x80'],
['\uD800A', '\xED\xA0\x80A'],
['\uD800\uD834\uDF06\uD800', '\xED\xA0\x80\xF0\x9D\x8C\x86\xED\xA0\x80'],
['\uD9AF', '\xED\xA6\xAF'],
['\uDBFF', '\xED\xAF\xBF'],
// low surrogates: 0xDC00 to 0xDFFF
['\uDC00', '\xED\xB0\x80'],
['\uDC00\uDC00', '\xED\xB0\x80\xED\xB0\x80'],
['\uDC00A', '\xED\xB0\x80A'],
['\uDC00\uD834\uDF06\uDC00', '\xED\xB0\x80\xF0\x9D\x8C\x86\xED\xB0\x80'],
['\uDEEE', '\xED\xBB\xAE'],
['\uDFFF', '\xED\xBF\xBF'],
];
tests.forEach(
([input, output]: [string, string]) => { expect(utf8Encode(input)).toEqual(output); });
});
});
});
}
}