text_span_test.dart

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/painting.dart';

import 'package:test/test.dart';

void main() {
  test("TextSpan equals", () {
    TextSpan a1 = new TextSpan(text: 'a');
    TextSpan a2 = new TextSpan(text: 'a');
    TextSpan b1 = new TextSpan(children: <TextSpan>[ a1 ]);
    TextSpan b2 = new TextSpan(children: <TextSpan>[ a2 ]);
    TextSpan c1 = new TextSpan();
    TextSpan c2 = new TextSpan();

    expect(a1 == a2, isTrue);
    expect(b1 == b2, isTrue);
    expect(c1 == c2, isTrue);

    expect(a1 == b2, isFalse);
    expect(b1 == c2, isFalse);
    expect(c1 == a2, isFalse);

    expect(a1 == c2, isFalse);
    expect(b1 == a2, isFalse);
    expect(c1 == b2, isFalse);
  });
}