Function testColorStyle

test/parallel/test-util-inspect.js:963–976

(style, input)

// Test util.inspect.styles and util.inspect.colors.
{
  function testColorStyle(style, input) {
    const colorName = util.inspect.styles[style];
    let color = ['', ''];
    if (util.inspect.colors[colorName])
      color = util.inspect.colors[colorName];

    const withoutColor = util.inspect(input, false, 0, false);
    const withColor = util.inspect(input, false, 0, true);
    const expect = `\u001b[${color[0]}m${withoutColor}\u001b[${color[1]}m`;
    assert.strictEqual(
      withColor,
      expect,
      `util.inspect color for style ${style}`);
  }

  testColorStyle('special', function() {});
  testColorStyle('number', 123.456);