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
11namespace {
12
13// Layout objects as multiple columns in a single row.
14class ColumnLayout : public SimpleGridLayout {
15 public:
16   ColumnLayout(NSView* host)  : SimpleGridLayout(host) { AddRow(); }
17   ~ColumnLayout() {}
18};
19
20class 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
37TEST_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
52TEST_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
62TEST_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
74TEST_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
92TEST_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
106TEST_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
129TEST_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
153TEST_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
171TEST_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
208TEST_F(LayoutTest, PreferredHeightForEmptyLayout) {
209  SimpleGridLayout layout(NULL);
210  EXPECT_FLOAT_EQ(0.0f, layout.GetPreferredHeightForWidth(100.0));
211}
212
213TEST_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
233TEST_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
258TEST_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
287TEST_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
304TEST_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
318TEST_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
338TEST_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
351TEST_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
364TEST_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
380TEST_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
400