grapheme-latin1.js

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// |reftest| slow skip-if(!this.hasOwnProperty('Intl')||!this.Intl.Segmenter)

// CRLF should be the only compound grapheme for Latin-1 strings.

let segmenter = new Intl.Segmenter("en", {granularity: "grapheme"});

for (let i = 0; i <= 0xff; ++i) {

  for (let j = 0; j <= 0xff; ++j) {

    let string = String.fromCodePoint(i, j);

    let segments = segmenter.segment(string);

    let data1 = segments.containing(0);

    let data2 = segments.containing(1);

    let graphemes = [...segments];

    if (i === "\r".charCodeAt(0) && j === "\n".charCodeAt(0)) {

      assertEq(data1.index, 0);

      assertEq(data1.segment, "\r\n");

      assertEq(data2.index, 0);

      assertEq(data2.segment, "\r\n");

      assertEq(graphemes.length, 1);

    } else {

      assertEq(data1.index, 0);

      assertEq(data1.segment, String.fromCodePoint(i));

      assertEq(data2.index, 1);

      assertEq(data2.segment, String.fromCodePoint(j));

      assertEq(graphemes.length, 2);

if (typeof reportCompare === "function")

  reportCompare(0, 0);