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LibJS: Implement Intl %SegmentsPrototype%.containing

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Idan Horowitz 2022-01-30 21:12:42 +02:00
parent 96af50bbba
commit 366468f1de
4 changed files with 79 additions and 1 deletions
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42
Userland/Libraries/LibJS/Tests/builtins/Intl/Segmenter/Segmenter.prototype.segment.js
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@ -10,6 +10,48 @@ describe("correct behavior", () => {
);
});
test("returns segments object with valid containing method", () => {
const string = "hello friends!";
const graphemeSegmenter = new Intl.Segmenter("en", { granularity: "grapheme" });
const graphemeSegments = graphemeSegmenter.segment(string);
const graphemeSegment0 = graphemeSegments.containing(0);
expect(graphemeSegment0.segment).toBe("h");
expect(graphemeSegment0.index).toBe(0);
expect(graphemeSegment0.input).toBe(string);
expect(graphemeSegment0.isWordLike).toBeUndefined();
const graphemeSegment5 = graphemeSegments.containing(5);
expect(graphemeSegment5.segment).toBe(" ");
expect(graphemeSegment5.index).toBe(5);
expect(graphemeSegment5.input).toBe(string);
expect(graphemeSegment5.isWordLike).toBeUndefined();
const wordSegmenter = new Intl.Segmenter("en", { granularity: "word" });
const wordSegments = wordSegmenter.segment(string);
const wordSegment0 = wordSegments.containing(0);
expect(wordSegment0.segment).toBe("hello");
expect(wordSegment0.index).toBe(0);
expect(wordSegment0.input).toBe(string);
// FIXME: expect(wordSegment0.isWordLike).toBeTrue();
const wordSegment5 = wordSegments.containing(5);
expect(wordSegment5.segment).toBe(" ");
expect(wordSegment5.index).toBe(5);
expect(wordSegment5.input).toBe(string);
expect(wordSegment5.isWordLike).toBeFalse();
const sentenceSegmenter = new Intl.Segmenter("en", { granularity: "sentence" });
const sentenceSegments = sentenceSegmenter.segment(string);
const sentenceSegment0 = sentenceSegments.containing(0);
expect(sentenceSegment0.segment).toBe(string);
expect(sentenceSegment0.index).toBe(0);
expect(sentenceSegment0.input).toBe(string);
expect(sentenceSegment0.isWordLike).toBeUndefined();
const sentenceSegment5 = sentenceSegments.containing(5);
expect(sentenceSegment5.segment).toBe(sentenceSegment0.segment);
expect(sentenceSegment5.index).toBe(sentenceSegment0.index);
expect(sentenceSegment5.input).toBe(sentenceSegment0.input);
expect(sentenceSegment5.isWordLike).toBe(sentenceSegment0.isWordLike);
});
test("returns segments object segment iterator", () => {
const segmenter = new Intl.Segmenter();
const segments = segmenter.segment("hello friends!");