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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { escape, unescape } from "./entities.ts";import { assertEquals } from "../assert/mod.ts";import entityList from "./named_entity_list.json" assert { type: "json" };
Deno.test("escape", async (t) => {  await t.step('escapes &<>"', () => {    assertEquals(escape("&<>'\""), "&amp;&lt;&gt;&#39;&quot;");  });  await t.step("escapes ' to &#39; (not &apos;)", () => {    assertEquals(escape("'"), "&#39;");  });  await t.step("doesn't escape non-breaking space", () => {    assertEquals(escape("\xa0"), "\xa0");  });  await t.step(    "doesn't escape other characters, even if they have named entities",    () => {      assertEquals(escape("þð"), "þð");    },  );});
Deno.test("unescape", async (t) => {  await t.step("round-trips with escape", () => {    const chars = "&<>'\"";    assertEquals(unescape(escape(chars)), chars);  });
  await t.step("named entities", async (t) => {    await t.step("default options", async (t) => {      await t.step("unescapes &apos; as alias for ' &#39;", () => {        assertEquals(unescape("&apos;"), "'");      });      await t.step("unescapes &nbsp;", () => {        assertEquals(unescape("&nbsp;"), "\xa0");      });      await t.step("doesn't unescape other named entities", () => {        assertEquals(unescape("&thorn;&eth;"), "&thorn;&eth;");      });    });
    await t.step("full entity list", async (t) => {      await t.step("unescapes arbitrary named entities", () => {        assertEquals(unescape("&thorn;&eth;", { entityList }), "þð");      });      await t.step(        "unescapes truncated named entity (no trailing semicolon) if it is listed",        () => {          assertEquals(unescape("&amp", { entityList }), "&");        },      );      await t.step(        "consumes full named entity even when a truncated version is specified",        () => {          assertEquals(unescape("&amp;", { entityList }), "&");        },      );      await t.step(        "doesn't unescape truncated named entity if it isn't listed",        () => {          assertEquals(            unescape("&therefore; &therefore", { entityList }),            "∴ &therefore",          );        },      );    });  });
  await t.step("decimal", async (t) => {    await t.step("unescapes decimal", () => {      assertEquals(unescape("&#46;"), ".");    });    await t.step("unescapes max decimal codepoint", () => {      assertEquals(unescape("&#1114111;"), "\u{10ffff}");    });    await t.step("unescapes decimal with leading zero", () => {      assertEquals(unescape("&#046;"), ".");    });    await t.step(      "unescapes invalid decimal codepoint to replacement character",      () => {        assertEquals(unescape("&#1114112;"), "�");      },    );  });
  await t.step("hex", async (t) => {    await t.step("unescapes lower-case hex", () => {      assertEquals(unescape("&#x2e;"), ".");    });    await t.step("unescapes upper-case hex", () => {      assertEquals(unescape("&#x2E;"), ".");    });    await t.step("unescapes hex with leading zero", () => {      assertEquals(unescape("&#x02E;"), ".");    });    await t.step("unescapes max hex codepoint", () => {      assertEquals(unescape("&#x10ffff;"), "\u{10ffff}");    });    await t.step(      "unescapes invalid hex codepoint to replacement character",      () => {        assertEquals(unescape("&#x110000;"), "�");      },    );  });});