serenity/Libraries/LibJS/Tests/template-literals.js

load("test-common.js");

try {
  assert(`foo` === "foo");
  assert(`foo{` === "foo{");
  assert(`foo}` === "foo}");
  assert(`foo$` === "foo$");
  assert(`foo\`` === "foo`");
  assert(`foo\$` === "foo$");

  assert(`foo ${undefined}` === "foo undefined");
  assert(`foo ${null}` === "foo null");
  assert(`foo ${5}` === "foo 5");
  assert(`foo ${true}` === "foo true");
  assert(`foo ${"bar"}` === "foo bar");
  assert(`foo \${"bar"}` === 'foo ${"bar"}');

  assert(`foo ${{}}` === "foo [object Object]");
  assert(`foo ${{ bar: { baz: "qux" } }}` === "foo [object Object]");
  assert(`foo ${"bar"} ${"baz"}` === "foo bar baz");
  assert(`${"foo"} bar baz` === "foo bar baz");
  assert(`${"foo bar baz"}` === "foo bar baz");

  let a = 27;
  assert(`${a}` === "27");
  assert(`foo ${a}` === "foo 27");
  assert(`foo ${a ? "bar" : "baz"}` === "foo bar");
  assert(`foo ${(() => a)()}` === "foo 27");

  assert(`foo ${`bar`}` === "foo bar");
  assert(`${`${`${`${"foo"}`} bar`}`}` === "foo bar");
  assert(
    `foo
    bar` === "foo\n    bar"
  );

  assertThrowsError(
    () => {
      `${b}`;
    },
    {
      error: ReferenceError,
      message: "'b' is not defined",
    }
  );

  console.log("PASS");
} catch (e) {
  console.log("FAIL: " + e);
}