ui/views/view_model_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/view_model.h"
   6
   7 #include "base/strings/string_number_conversions.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9 #include "ui/views/view.h"
  10
  11 namespace views {
  12
  13 namespace {
  14
  15 // Returns a string containing the x-coordinate of each of the views in |model|.
  16 std::string BoundsString(const ViewModel& model) {
  17   std::string result;
  18   for (int i = 0; i < model.view_size(); ++i) {
  19     if (i != 0)
  20       result += " ";
  21     result += base::IntToString(model.ideal_bounds(i).x());
  22   }
  23   return result;
  24 }
  25
  26 // Returns a string containing the id of each of the views in |model|.
  27 std::string ViewIDsString(const ViewModel& model) {
  28   std::string result;
  29   for (int i = 0; i < model.view_size(); ++i) {
  30     if (i != 0)
  31       result += " ";
  32     result += base::IntToString(model.view_at(i)->id());
  33   }
  34   return result;
  35 }
  36
  37 }  // namespace
  38
  39 TEST(ViewModel, BasicAssertions) {
  40   View v1;
  41   ViewModel model;
  42   model.Add(&v1, 0);
  43   EXPECT_EQ(1, model.view_size());
  44   EXPECT_EQ(&v1, model.view_at(0));
  45   gfx::Rect v1_bounds(1, 2, 3, 4);
  46   model.set_ideal_bounds(0, v1_bounds);
  47   EXPECT_EQ(v1_bounds, model.ideal_bounds(0));
  48   EXPECT_EQ(0, model.GetIndexOfView(&v1));
  49 }
  50
  51 TEST(ViewModel, Move) {
  52   View v1, v2, v3;
  53   v1.set_id(0);
  54   v2.set_id(1);
  55   v3.set_id(2);
  56   ViewModel model;
  57   model.Add(&v1, 0);
  58   model.Add(&v2, 1);
  59   model.Add(&v3, 2);
  60   model.Move(0, 2);
  61   EXPECT_EQ("1 2 0", ViewIDsString(model));
  62
  63   model.Move(2, 0);
  64   EXPECT_EQ("0 1 2", ViewIDsString(model));
  65 }
  66
  67 TEST(ViewModel, MoveViewOnly) {
  68   View v1, v2, v3;
  69   v1.set_id(0);
  70   v2.set_id(1);
  71   v3.set_id(2);
  72   ViewModel model;
  73   model.Add(&v1, 0);
  74   model.Add(&v2, 1);
  75   model.Add(&v3, 2);
  76   model.set_ideal_bounds(0, gfx::Rect(10, 0, 1, 2));
  77   model.set_ideal_bounds(1, gfx::Rect(11, 0, 1, 2));
  78   model.set_ideal_bounds(2, gfx::Rect(12, 0, 1, 2));
  79   model.MoveViewOnly(0, 2);
  80   EXPECT_EQ("1 2 0", ViewIDsString(model));
  81   EXPECT_EQ("10 11 12", BoundsString(model));
  82
  83   model.MoveViewOnly(2, 0);
  84   EXPECT_EQ("0 1 2", ViewIDsString(model));
  85   EXPECT_EQ("10 11 12", BoundsString(model));
  86
  87   model.MoveViewOnly(0, 1);
  88   EXPECT_EQ("1 0 2", ViewIDsString(model));
  89   EXPECT_EQ("10 11 12", BoundsString(model));
  90
  91   model.MoveViewOnly(1, 0);
  92   EXPECT_EQ("0 1 2", ViewIDsString(model));
  93   EXPECT_EQ("10 11 12", BoundsString(model));
  94 }
  95
  96 }  // namespace views