chrome/browser/ui/cocoa/autofill/simple_grid_layout_unittest.mm

   1 // Copyright (c) 2013 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 "chrome/browser/ui/cocoa/autofill/simple_grid_layout.h"
   6
   7 #include "base/logging.h"
   8 #include "base/mac/scoped_nsobject.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace {
  12
  13 // Layout objects as multiple columns in a single row.
  14 class ColumnLayout : public SimpleGridLayout {
  15  public:
  16    ColumnLayout(NSView* host)  : SimpleGridLayout(host) { AddRow(); }
  17    ~ColumnLayout() {}
  18 };
  19
  20 class LayoutTest : public testing::Test {
  21  public:
  22   base::scoped_nsobject<NSView> CreateViewWithWidth(float width) {
  23     // Height of 1, since empty rects become 0x0 when run by NSIntegralRect.
  24     NSRect frame = NSMakeRect(0, 0, width, 1);
  25     base::scoped_nsobject<NSView> view([[NSView alloc] initWithFrame:frame]);
  26     return view;
  27   }
  28
  29   // Width of 1, since empty rects become 0x0 when run by NSIntegralRect.
  30   base::scoped_nsobject<NSView> CreateViewWithHeight(float height) {
  31     NSRect frame = NSMakeRect(0, 0, 1, height);
  32     base::scoped_nsobject<NSView> view([[NSView alloc] initWithFrame:frame]);
  33     return view;
  34   }
  35 };
  36
  37 TEST_F(LayoutTest, GridLayoutAddGetColumnSet) {
  38   SimpleGridLayout layout(NULL);
  39
  40   // Non-existing id's are not found.
  41   EXPECT_EQ(0L, layout.GetColumnSet(1));
  42
  43   // Created ColumnSets can be retrieved.
  44   ColumnSet* set1 = layout.AddColumnSet(10);
  45   ColumnSet* set2 = layout.AddColumnSet(11);
  46   ColumnSet* set3 = layout.AddColumnSet(12);
  47   EXPECT_EQ(set2, layout.GetColumnSet(11));
  48   EXPECT_EQ(set1, layout.GetColumnSet(10));
  49   EXPECT_EQ(set3, layout.GetColumnSet(12));
  50 }
  51
  52 TEST_F(LayoutTest, AddRowAutogeneratesColumnSetId) {
  53   SimpleGridLayout layout(NULL);
  54
  55   ColumnSet* set1 = layout.AddRow();
  56   EXPECT_NE(0, set1->id());
  57
  58   ColumnSet* set2 = layout.AddRow();
  59   EXPECT_NE(set1->id(), set2->id());
  60 }
  61
  62 TEST_F(LayoutTest, AddRowResetsNextColumn) {
  63   SimpleGridLayout layout(NULL);
  64   layout.AddRow();
  65   layout.GetLastValidColumnSet()->AddColumn(0.6f);
  66   layout.GetLastValidColumnSet()->AddColumn(0.6f);
  67   layout.AddView(nil);
  68   EXPECT_EQ(1, layout.next_column());
  69
  70   layout.AddRow();
  71   EXPECT_EQ(0, layout.next_column());
  72 }
  73
  74 TEST_F(LayoutTest, GetLastValidColumnSet) {
  75   SimpleGridLayout layout(NULL);
  76
  77   EXPECT_EQ(NULL, layout.GetLastValidColumnSet());
  78
  79   ColumnSet* cs1 = layout.AddColumnSet(1);
  80   ColumnSet* cs2 = layout.AddColumnSet(2);
  81   layout.StartRow(0.0, 2);
  82   EXPECT_EQ(cs2, layout.GetLastValidColumnSet());
  83
  84   layout.AddPaddingRow(10);
  85   EXPECT_EQ(cs2, layout.GetLastValidColumnSet());
  86
  87   layout.StartRow(0.0, 1);
  88   EXPECT_EQ(cs1, layout.GetLastValidColumnSet());
  89 }
  90
  91
  92 TEST_F(LayoutTest, AddRowCreatesNewColumnSet) {
  93   SimpleGridLayout layout(NULL);
  94
  95   EXPECT_EQ(NULL, layout.GetLastValidColumnSet());
  96
  97   ColumnSet* old_column_set = layout.AddRow();
  98   EXPECT_TRUE(old_column_set != NULL);
  99   EXPECT_EQ(old_column_set, layout.GetLastValidColumnSet());
 100
 101   ColumnSet* new_column_set = layout.AddRow();
 102   EXPECT_TRUE(new_column_set != NULL);
 103   EXPECT_EQ(new_column_set, layout.GetLastValidColumnSet());
 104 }
 105
 106 TEST_F(LayoutTest, AddPaddingRow) {
 107   SimpleGridLayout layout(NULL);
 108
 109   ColumnSet* cs;
 110   cs = layout.AddRow();
 111   cs->AddColumn(1.0f);
 112   base::scoped_nsobject<NSView> view1 = CreateViewWithHeight(30.0f);
 113   layout.AddView(view1);
 114
 115   layout.AddPaddingRow(20);
 116
 117   cs = layout.AddRow();
 118   cs->AddColumn(1.0f);
 119   EXPECT_EQ(3, layout.num_rows());
 120   base::scoped_nsobject<NSView> view2 = CreateViewWithHeight(10.0f);
 121   layout.AddView(view2);
 122
 123   layout.SizeRowsAndColumns(0.0f);
 124   EXPECT_FLOAT_EQ(30.0f, layout.GetRowHeight(0));
 125   EXPECT_FLOAT_EQ(20.0f, layout.GetRowHeight(1));
 126   EXPECT_FLOAT_EQ(10.0f, layout.GetRowHeight(2));
 127 }
 128
 129 TEST_F(LayoutTest, RowsAccomodateHeightOfAllElements) {
 130   SimpleGridLayout layout(NULL);
 131
 132   layout.AddRow();
 133   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 134   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 135   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 136
 137   base::scoped_nsobject<NSView> view1 = CreateViewWithHeight(37.0f);
 138   layout.AddView(view1);
 139   layout.SizeRowsAndColumns(0.0f);
 140   EXPECT_FLOAT_EQ(37.0f, layout.GetRowHeight(0));
 141
 142   base::scoped_nsobject<NSView> view2 = CreateViewWithHeight(26.0f);
 143   layout.AddView(view2);
 144   layout.SizeRowsAndColumns(0.0f);
 145   EXPECT_FLOAT_EQ(37.0f, layout.GetRowHeight(0));
 146
 147   base::scoped_nsobject<NSView> view3 = CreateViewWithHeight(42.0f);
 148   layout.AddView(view3);
 149   layout.SizeRowsAndColumns(0.0f);
 150   EXPECT_FLOAT_EQ(42.0f, layout.GetRowHeight(0));
 151 }
 152
 153 TEST_F(LayoutTest, SizeRowsAdjustsRowLocations) {
 154   SimpleGridLayout layout(NULL);
 155
 156   layout.AddRow();
 157   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 158   base::scoped_nsobject<NSView> view1 = CreateViewWithHeight(30.0f);
 159   layout.AddView(view1);
 160
 161   layout.AddRow();
 162   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 163   base::scoped_nsobject<NSView> view2 = CreateViewWithHeight(40.0f);
 164   layout.AddView(view2);
 165
 166   layout.SizeRowsAndColumns(0.0f);
 167   EXPECT_FLOAT_EQ(0.0f, layout.GetRowLocation(0));
 168   EXPECT_FLOAT_EQ(30.0f, layout.GetRowLocation(1));
 169 }
 170
 171 TEST_F(LayoutTest, SimpleGridLayoutAdjustsViews) {
 172   SimpleGridLayout layout(NULL);
 173
 174   layout.AddRow();
 175   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 176   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 177   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 178
 179   base::scoped_nsobject<NSView> view1 = CreateViewWithHeight(22.0f);
 180   base::scoped_nsobject<NSView> view2 = CreateViewWithHeight(20.0f);
 181   layout.AddView(view1);
 182   layout.AddView(view2);
 183
 184   layout.AddRow();
 185   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 186   base::scoped_nsobject<NSView> view3 = CreateViewWithHeight(18.0f);
 187   layout.AddView(view3);
 188
 189   base::scoped_nsobject<NSView> host_view = CreateViewWithWidth(150.0f);
 190   layout.Layout(host_view);
 191
 192   EXPECT_FLOAT_EQ(72.0f, NSWidth([view1 frame]));
 193   EXPECT_FLOAT_EQ(22.0f, NSHeight([view1 frame]));
 194   EXPECT_FLOAT_EQ(0.0f, NSMinX([view1 frame]));
 195   EXPECT_FLOAT_EQ(0.0f, NSMinY([view1 frame]));
 196
 197   EXPECT_FLOAT_EQ(48.0f, NSWidth([view2 frame]));
 198   EXPECT_FLOAT_EQ(22.0f, NSHeight([view2 frame]));
 199   EXPECT_FLOAT_EQ(102.0f, NSMinX([view2 frame]));
 200   EXPECT_FLOAT_EQ(0.0f, NSMinY([view2 frame]));
 201
 202   EXPECT_FLOAT_EQ(150.0f, NSWidth([view3 frame]));
 203   EXPECT_FLOAT_EQ(18.0f, NSHeight([view3 frame]));
 204   EXPECT_FLOAT_EQ(0.0f, NSMinX([view3 frame]));
 205   EXPECT_FLOAT_EQ(22.0f, NSMinY([view3 frame]));
 206 }
 207
 208 TEST_F(LayoutTest, PreferredHeightForEmptyLayout) {
 209   SimpleGridLayout layout(NULL);
 210   EXPECT_FLOAT_EQ(0.0f, layout.GetPreferredHeightForWidth(100.0));
 211 }
 212
 213 TEST_F(LayoutTest, SimpleGridLayoutHeightForWidth)
 214 {
 215   SimpleGridLayout layout(NULL);
 216   layout.AddRow();
 217   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 218
 219   base::scoped_nsobject<NSView> view1 = CreateViewWithHeight(22.0f);
 220   layout.AddView(view1);
 221   EXPECT_FLOAT_EQ(22.0f, layout.GetPreferredHeightForWidth(100.0));
 222
 223   layout.AddPaddingRow(12);
 224   EXPECT_FLOAT_EQ(34.0f, layout.GetPreferredHeightForWidth(100.0));
 225
 226   layout.AddRow();
 227   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 228   base::scoped_nsobject<NSView> view2 = CreateViewWithHeight(13.0f);
 229   layout.AddView(view2);
 230   EXPECT_FLOAT_EQ(47.0f, layout.GetPreferredHeightForWidth(100.0));
 231 }
 232
 233 TEST_F(LayoutTest, SkipColumns) {
 234   ColumnLayout layout(NULL);
 235
 236   ASSERT_TRUE(layout.GetLastValidColumnSet() != NULL);
 237   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 238   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 239   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 240   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 241   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 242   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 243
 244   // Skip a single column
 245   EXPECT_EQ(0, layout.next_column());
 246   layout.SkipColumns(1);
 247   EXPECT_EQ(1, layout.next_column());
 248
 249   // Skip multiple columns
 250   layout.SkipColumns(2);
 251   EXPECT_EQ(3, layout.next_column());
 252
 253   // SkipColumns skips padding, too
 254   layout.SkipColumns(1);
 255   EXPECT_EQ(5, layout.next_column());
 256 }
 257
 258 TEST_F(LayoutTest, SkipPaddingColumns) {
 259   ColumnLayout layout(NULL);
 260
 261   ASSERT_TRUE(layout.GetLastValidColumnSet() != NULL);
 262   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 263   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 264   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 265   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 266   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 267   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 268
 269   // Don't skip over non-padding columns.
 270   EXPECT_EQ(0, layout.next_column());
 271   layout.SkipPaddingColumns();
 272   EXPECT_EQ(0, layout.next_column());
 273
 274   // Skip a single padding column.
 275   layout.AdvanceColumn();
 276   EXPECT_EQ(1, layout.next_column());
 277   layout.SkipPaddingColumns();
 278   EXPECT_EQ(2, layout.next_column());
 279
 280   // Skip multiple padding columns.
 281   layout.AdvanceColumn();
 282   EXPECT_EQ(3, layout.next_column());
 283   layout.SkipPaddingColumns();
 284   EXPECT_EQ(5, layout.next_column());
 285 }
 286
 287 TEST_F(LayoutTest, SizeColumnsAdjustLocationAndSize) {
 288   ColumnLayout layout(NULL);
 289
 290   ASSERT_TRUE(layout.GetLastValidColumnSet() != NULL);
 291   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 292   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 293   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 294
 295   layout.SizeRowsAndColumns(130.0f);
 296   EXPECT_FLOAT_EQ(0.0f, layout.GetLastValidColumnSet()->ColumnLocation(0));
 297   EXPECT_FLOAT_EQ(60.0f, layout.GetLastValidColumnSet()->GetColumnWidth(0));
 298   EXPECT_FLOAT_EQ(60.0f, layout.GetLastValidColumnSet()->ColumnLocation(1));
 299   EXPECT_FLOAT_EQ(30.0f, layout.GetLastValidColumnSet()->GetColumnWidth(1));
 300   EXPECT_FLOAT_EQ(90.0f, layout.GetLastValidColumnSet()->ColumnLocation(2));
 301   EXPECT_FLOAT_EQ(40.0f, layout.GetLastValidColumnSet()->GetColumnWidth(2));
 302 }
 303
 304 TEST_F(LayoutTest, AddViewSkipsPaddingColumns) {
 305   ColumnLayout layout(NULL);
 306
 307   ASSERT_TRUE(layout.GetLastValidColumnSet() != NULL);
 308   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 309   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 310   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 311
 312   EXPECT_EQ(0, layout.next_column());
 313   base::scoped_nsobject<NSView> view1 = CreateViewWithWidth(37.0f);
 314   layout.AddView(view1);
 315   EXPECT_EQ(2, layout.next_column());
 316 }
 317
 318 TEST_F(LayoutTest, ColumnLayoutAdjustsViews) {
 319   ColumnLayout layout(NULL);
 320
 321   ASSERT_TRUE(layout.GetLastValidColumnSet() != NULL);
 322   layout.GetLastValidColumnSet()->AddColumn(0.6f);
 323   layout.GetLastValidColumnSet()->AddPaddingColumn(30);
 324   layout.GetLastValidColumnSet()->AddColumn(0.4f);
 325
 326   base::scoped_nsobject<NSView> view1 = CreateViewWithWidth(37.0f);
 327   base::scoped_nsobject<NSView> view2 = CreateViewWithWidth(42.0f);
 328   layout.AddView(view1);
 329   layout.AddView(view2);
 330
 331   base::scoped_nsobject<NSView> host_view = CreateViewWithWidth(150.0f);
 332   layout.Layout(host_view);
 333
 334   EXPECT_FLOAT_EQ(72.0f, NSWidth([view1 frame]));
 335   EXPECT_FLOAT_EQ(48.0f, NSWidth([view2 frame]));
 336 }
 337
 338 TEST_F(LayoutTest, ColumnSetAddPadding) {
 339   ColumnSet columns(0);
 340
 341   columns.AddPaddingColumn(20);
 342   EXPECT_EQ(1, columns.num_columns());
 343
 344   columns.CalculateSize(20.0f);
 345   EXPECT_FLOAT_EQ(20.0f, columns.GetColumnWidth(0));
 346
 347   columns.CalculateSize(120.0f);
 348   EXPECT_FLOAT_EQ(20.0f, columns.GetColumnWidth(0));
 349 }
 350
 351 TEST_F(LayoutTest, ColumnSetOneFlexibleColumn) {
 352   ColumnSet columns(0);
 353
 354   columns.AddColumn(1.0f);
 355   EXPECT_EQ(1, columns.num_columns());
 356
 357   columns.CalculateSize(20.0f);
 358   EXPECT_FLOAT_EQ(20.0f, columns.GetColumnWidth(0));
 359
 360   columns.CalculateSize(120.0f);
 361   EXPECT_FLOAT_EQ(120.0f, columns.GetColumnWidth(0));
 362 }
 363
 364 TEST_F(LayoutTest, ColumnSetTwoFlexibleColumns) {
 365   ColumnSet columns(0);
 366
 367   columns.AddColumn(0.6f);
 368   columns.AddColumn(0.4f);
 369   EXPECT_EQ(2, columns.num_columns());
 370
 371   columns.CalculateSize(100.0f);
 372   EXPECT_FLOAT_EQ(60.0f, columns.GetColumnWidth(0));
 373   EXPECT_FLOAT_EQ(40.0f, columns.GetColumnWidth(1));
 374
 375   columns.CalculateSize(150.0f);
 376   EXPECT_FLOAT_EQ(90.0f, columns.GetColumnWidth(0));
 377   EXPECT_FLOAT_EQ(60.0f, columns.GetColumnWidth(1));
 378 }
 379
 380 TEST_F(LayoutTest, ColumnSetMixedColumns) {
 381   ColumnSet columns(0);
 382
 383   columns.AddColumn(0.6f);
 384   columns.AddPaddingColumn(20);
 385   columns.AddColumn(0.4f);
 386   EXPECT_EQ(3, columns.num_columns());
 387
 388   columns.CalculateSize(100.0f);
 389   EXPECT_FLOAT_EQ(48.0f, columns.GetColumnWidth(0));
 390   EXPECT_FLOAT_EQ(20.0f, columns.GetColumnWidth(1));
 391   EXPECT_FLOAT_EQ(32.0f, columns.GetColumnWidth(2));
 392
 393   columns.CalculateSize(200.0f);
 394   EXPECT_FLOAT_EQ(108.0f, columns.GetColumnWidth(0));
 395   EXPECT_FLOAT_EQ(20.0f, columns.GetColumnWidth(1));
 396   EXPECT_FLOAT_EQ(72.0f, columns.GetColumnWidth(2));
 397 }
 398
 399 }  // namespace