import { describe, expect, it } from "vitest";
import {
  codePointLabel,
  compareNormalization,
  decodeCodePointList,
  inspectText,
  parseCodePointList,
} from "../../src/unicode/model";

describe("Unicode helper integration", () => {
  it("parses and decodes scalar values", () => {
    expect(parseCodePointList("U+0041 1F600")).toEqual([0x41, 0x1f600]);
    expect(decodeCodePointList("41, 1F600")).toBe("A😀");
    expect(() => parseCodePointList("D800")).toThrow(/scalar value/u);
  });

  it("inspects code points separately from graphemes", () => {
    const result = inspectText("e\u0301");
    expect(result.codePointCount).toBe(2);
    expect(result.graphemes).toHaveLength(1);
    expect(result.points[1]?.javascript).toBe("\\u0301");
  });

  it("compares all normalization forms", () => {
    const result = compareNormalization("e\u0301");
    expect(result.forms.find((item) => item.form === "NFC")?.value).toBe("é");
    expect(codePointLabel(0x1f600)).toBe("U+1F600");
  });
});