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-rw-r--r--views/grid_layout_unittest.cc514
1 files changed, 514 insertions, 0 deletions
diff --git a/views/grid_layout_unittest.cc b/views/grid_layout_unittest.cc
new file mode 100644
index 0000000..57bfa83
--- /dev/null
+++ b/views/grid_layout_unittest.cc
@@ -0,0 +1,514 @@
+// Copyright (c) 2006-2008 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.
+
+#include "testing/gtest/include/gtest/gtest.h"
+#include "views/grid_layout.h"
+#include "views/view.h"
+
+using views::ColumnSet;
+using views::GridLayout;
+using views::View;
+
+static void ExpectViewBoundsEquals(int x, int y, int w, int h,
+ const View* view) {
+ EXPECT_EQ(x, view->x());
+ EXPECT_EQ(y, view->y());
+ EXPECT_EQ(w, view->width());
+ EXPECT_EQ(h, view->height());
+}
+
+class SettableSizeView : public View {
+ public:
+ explicit SettableSizeView(const gfx::Size& pref) {
+ pref_ = pref;
+ }
+
+ virtual gfx::Size GetPreferredSize() {
+ return pref_;
+ }
+
+ private:
+ gfx::Size pref_;
+};
+
+class GridLayoutTest : public testing::Test {
+ public:
+ virtual void SetUp() {
+ layout = new GridLayout(&host);
+ }
+
+ virtual void TearDown() {
+ delete layout;
+ }
+
+ virtual void RemoveAll() {
+ for (int i = host.GetChildViewCount() - 1; i >= 0; i--) {
+ host.RemoveChildView(host.GetChildViewAt(i));
+ }
+ }
+
+ void GetPreferredSize() {
+ pref = layout->GetPreferredSize(&host);
+ }
+
+ gfx::Size pref;
+ CRect bounds;
+ View host;
+ GridLayout* layout;
+};
+
+class GridLayoutAlignmentTest : public testing::Test {
+ public:
+ GridLayoutAlignmentTest() :
+ host(),
+ v1(gfx::Size(10, 20)),
+ layout(new GridLayout(&host)) {}
+
+ virtual void SetUp() {
+ }
+
+ virtual void TearDown() {
+ delete layout;
+ }
+
+ virtual void RemoveAll() {
+ for (int i = host.GetChildViewCount() - 1; i >= 0; i--) {
+ host.RemoveChildView(host.GetChildViewAt(i));
+ }
+ }
+
+ void TestAlignment(GridLayout::Alignment alignment, CRect* bounds) {
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(alignment, alignment, 1, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(1, 0);
+ layout->AddView(&v1);
+ gfx::Size pref = layout->GetPreferredSize(&host);
+ EXPECT_TRUE(gfx::Size(10, 20) == pref);
+ host.SetBounds(0, 0, 100, 100);
+ layout->Layout(&host);
+ *bounds = v1.bounds().ToRECT();
+ RemoveAll();
+ }
+
+ View host;
+ SettableSizeView v1;
+ GridLayout* layout;
+};
+
+TEST_F(GridLayoutAlignmentTest, Fill) {
+ CRect bounds;
+ TestAlignment(GridLayout::FILL, &bounds);
+ EXPECT_TRUE(CRect(0, 0, 100, 100) == bounds);
+}
+
+TEST_F(GridLayoutAlignmentTest, Leading) {
+ CRect bounds;
+ TestAlignment(GridLayout::LEADING, &bounds);
+ EXPECT_TRUE(CRect(0, 0, 10, 20) == bounds);
+}
+
+TEST_F(GridLayoutAlignmentTest, Center) {
+ CRect bounds;
+ TestAlignment(GridLayout::CENTER, &bounds);
+ EXPECT_TRUE(CRect(45, 40, 55, 60) == bounds);
+}
+
+TEST_F(GridLayoutAlignmentTest, Trailing) {
+ CRect bounds;
+ TestAlignment(GridLayout::TRAILING, &bounds);
+ EXPECT_TRUE(CRect(90, 80, 100, 100) == bounds);
+}
+
+TEST_F(GridLayoutTest, TwoColumns) {
+ SettableSizeView v1(gfx::Size(10, 20));
+ SettableSizeView v2(gfx::Size(20, 20));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1);
+ layout->AddView(&v2);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(30, 20) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 10, 20, &v1);
+ ExpectViewBoundsEquals(10, 0, 20, 20, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, ColSpan1) {
+ SettableSizeView v1(gfx::Size(100, 20));
+ SettableSizeView v2(gfx::Size(10, 40));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 1, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1, 2, 1);
+ layout->StartRow(0, 0);
+ layout->AddView(&v2);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(100, 60) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 100, 20, &v1);
+ ExpectViewBoundsEquals(0, 20, 10, 40, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, ColSpan2) {
+ SettableSizeView v1(gfx::Size(100, 20));
+ SettableSizeView v2(gfx::Size(10, 20));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 1, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1, 2, 1);
+ layout->StartRow(0, 0);
+ layout->SkipColumns(1);
+ layout->AddView(&v2);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(100, 40) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 100, 20, &v1);
+ ExpectViewBoundsEquals(90, 20, 10, 20, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, ColSpan3) {
+ SettableSizeView v1(gfx::Size(100, 20));
+ SettableSizeView v2(gfx::Size(10, 20));
+ SettableSizeView v3(gfx::Size(10, 20));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1, 2, 1);
+ layout->StartRow(0, 0);
+ layout->AddView(&v2);
+ layout->AddView(&v3);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(100, 40) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 100, 20, &v1);
+ ExpectViewBoundsEquals(0, 20, 10, 20, &v2);
+ ExpectViewBoundsEquals(50, 20, 10, 20, &v3);
+
+ RemoveAll();
+}
+
+
+TEST_F(GridLayoutTest, ColSpan4) {
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
+ GridLayout::USE_PREF, 0, 0);
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING, 0,
+ GridLayout::USE_PREF, 0, 0);
+
+ SettableSizeView v1(gfx::Size(10, 10));
+ SettableSizeView v2(gfx::Size(10, 10));
+ SettableSizeView v3(gfx::Size(25, 20));
+ layout->StartRow(0, 0);
+ layout->AddView(&v1);
+ layout->AddView(&v2);
+ layout->StartRow(0, 0);
+ layout->AddView(&v3, 2, 1);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(25, 30) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 10, 10, &v1);
+ ExpectViewBoundsEquals(12, 0, 10, 10, &v2);
+ ExpectViewBoundsEquals(0, 10, 25, 20, &v3);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, SameSizeColumns) {
+ SettableSizeView v1(gfx::Size(50, 20));
+ SettableSizeView v2(gfx::Size(10, 10));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ c1->LinkColumnSizes(0, 1, -1);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1);
+ layout->AddView(&v2);
+
+ gfx::Size pref = layout->GetPreferredSize(&host);
+ EXPECT_TRUE(gfx::Size(100, 20) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 50, 20, &v1);
+ ExpectViewBoundsEquals(50, 0, 10, 10, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, HorizontalResizeTest1) {
+ SettableSizeView v1(gfx::Size(50, 20));
+ SettableSizeView v2(gfx::Size(10, 10));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::FILL, GridLayout::LEADING,
+ 1, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1);
+ layout->AddView(&v2);
+
+ host.SetBounds(0, 0, 110, 20);
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 100, 20, &v1);
+ ExpectViewBoundsEquals(100, 0, 10, 10, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, HorizontalResizeTest2) {
+ SettableSizeView v1(gfx::Size(50, 20));
+ SettableSizeView v2(gfx::Size(10, 10));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::FILL, GridLayout::LEADING,
+ 1, GridLayout::USE_PREF, 0, 0);
+ c1->AddColumn(GridLayout::TRAILING, GridLayout::LEADING,
+ 1, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1);
+ layout->AddView(&v2);
+
+ host.SetBounds(0, 0, 120, 20);
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 80, 20, &v1);
+ ExpectViewBoundsEquals(110, 0, 10, 10, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, TestVerticalResize1) {
+ SettableSizeView v1(gfx::Size(50, 20));
+ SettableSizeView v2(gfx::Size(10, 10));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ c1->AddColumn(GridLayout::FILL, GridLayout::FILL,
+ 1, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(1, 0);
+ layout->AddView(&v1);
+ layout->StartRow(0, 0);
+ layout->AddView(&v2);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(50, 30) == pref);
+
+ host.SetBounds(0, 0, 50, 100);
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 50, 90, &v1);
+ ExpectViewBoundsEquals(0, 90, 50, 10, &v2);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, Insets) {
+ SettableSizeView v1(gfx::Size(10, 20));
+ ColumnSet* c1 = layout->AddColumnSet(0);
+ layout->SetInsets(1, 2, 3, 4);
+ c1->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ layout->StartRow(0, 0);
+ layout->AddView(&v1);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(16, 24) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(2, 1, 10, 20, &v1);
+
+ RemoveAll();
+}
+
+TEST_F(GridLayoutTest, FixedSize) {
+ layout->SetInsets(2, 2, 2, 2);
+
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ int column_count = 4;
+ int title_width = 100;
+ int row_count = 2;
+ int pref_width = 10;
+ int pref_height = 20;
+
+ for (int i = 0; i < column_count; ++i) {
+ set->AddColumn(views::GridLayout::CENTER,
+ views::GridLayout::CENTER,
+ 0,
+ views::GridLayout::FIXED,
+ title_width,
+ title_width);
+ }
+
+ for (int row = 0; row < row_count; ++row) {
+ layout->StartRow(0, 0);
+ for (int col = 0; col < column_count; ++col) {
+ layout->AddView(new SettableSizeView(gfx::Size(pref_width, pref_height)));
+ }
+ }
+
+ layout->Layout(&host);
+
+ for (int i = 0; i < column_count; ++i) {
+ for (int row = 0; row < row_count; ++row) {
+ View* view = host.GetChildViewAt(row * column_count + i);
+ ExpectViewBoundsEquals(
+ 2 + title_width * i + (title_width - pref_width) / 2,
+ 2 + pref_height * row,
+ pref_width,
+ pref_height, view);
+ }
+ }
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(column_count * title_width + 4,
+ row_count * pref_height + 4) == pref);
+}
+
+TEST_F(GridLayoutTest, RowSpanWithPaddingRow) {
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ set->AddColumn(views::GridLayout::CENTER,
+ views::GridLayout::CENTER,
+ 0,
+ views::GridLayout::FIXED,
+ 10,
+ 10);
+
+ layout->StartRow(0, 0);
+ layout->AddView(new SettableSizeView(gfx::Size(10, 10)), 1, 2);
+ layout->AddPaddingRow(0, 10);
+}
+
+TEST_F(GridLayoutTest, RowSpan) {
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ set->AddColumn(views::GridLayout::LEADING,
+ views::GridLayout::LEADING,
+ 0,
+ views::GridLayout::USE_PREF,
+ 0,
+ 0);
+ set->AddColumn(views::GridLayout::LEADING,
+ views::GridLayout::LEADING,
+ 0,
+ views::GridLayout::USE_PREF,
+ 0,
+ 0);
+
+ layout->StartRow(0, 0);
+ layout->AddView(new SettableSizeView(gfx::Size(20, 10)));
+ layout->AddView(new SettableSizeView(gfx::Size(20, 40)), 1, 2);
+ layout->StartRow(1, 0);
+ views::View* s3 = new SettableSizeView(gfx::Size(20, 10));
+ layout->AddView(s3);
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(40, 40) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 10, 20, 10, s3);
+}
+
+TEST_F(GridLayoutTest, RowSpan2) {
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0,GridLayout::USE_PREF, 0, 0);
+
+ layout->StartRow(0, 0);
+ layout->AddView(new SettableSizeView(gfx::Size(20, 20)));
+ views::View* s3 = new SettableSizeView(gfx::Size(64, 64));
+ layout->AddView(s3, 1, 3);
+
+ layout->AddPaddingRow(0, 10);
+
+ layout->StartRow(0, 0);
+ layout->AddView(new SettableSizeView(gfx::Size(10, 20)));
+
+ GetPreferredSize();
+ EXPECT_TRUE(gfx::Size(84, 64) == pref);
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(20, 0, 64, 64, s3);
+}
+
+TEST_F(GridLayoutTest, FixedViewWidth) {
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0,GridLayout::USE_PREF, 0, 0);
+
+ layout->StartRow(0, 0);
+ View* view = new SettableSizeView(gfx::Size(30, 40));
+ layout->AddView(view, 1, 1, GridLayout::LEADING, GridLayout::LEADING, 10, 0);
+
+ GetPreferredSize();
+ EXPECT_EQ(10, pref.width());
+ EXPECT_EQ(40, pref.height());
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 10, 40, view);
+}
+
+TEST_F(GridLayoutTest, FixedViewHeight) {
+ views::ColumnSet* set = layout->AddColumnSet(0);
+
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0, GridLayout::USE_PREF, 0, 0);
+ set->AddColumn(GridLayout::LEADING, GridLayout::LEADING,
+ 0,GridLayout::USE_PREF, 0, 0);
+
+ layout->StartRow(0, 0);
+ View* view = new SettableSizeView(gfx::Size(30, 40));
+ layout->AddView(view, 1, 1, GridLayout::LEADING, GridLayout::LEADING, 0, 10);
+
+ GetPreferredSize();
+ EXPECT_EQ(30, pref.width());
+ EXPECT_EQ(10, pref.height());
+
+ host.SetBounds(0, 0, pref.width(), pref.height());
+ layout->Layout(&host);
+ ExpectViewBoundsEquals(0, 0, 30, 10, view);
+}
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