blob: b04ce5826d2915ed6521c49439b51e146650139b [file] [log] [blame]
// 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.
#include "ash/common/system/tray/size_range_layout.h"
#include "base/memory/ptr_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/views/test/test_layout_manager.h"
#include "ui/views/view.h"
namespace ash {
class SizeRangeLayoutTest : public testing::Test {
public:
SizeRangeLayoutTest();
// Wrapper function to access the minimum preferred size of |layout|.
gfx::Size GetMinSize(const SizeRangeLayout* layout) const;
// Wrapper function to access the maximum preferred size of |layout|.
gfx::Size GetMaxSize(const SizeRangeLayout* layout) const;
protected:
views::View host_;
const gfx::Size kAbsoluteMinSize;
const gfx::Size kAbsoluteMaxSize;
private:
DISALLOW_COPY_AND_ASSIGN(SizeRangeLayoutTest);
};
SizeRangeLayoutTest::SizeRangeLayoutTest()
: kAbsoluteMinSize(SizeRangeLayout::kAbsoluteMinSize,
SizeRangeLayout::kAbsoluteMinSize),
kAbsoluteMaxSize(SizeRangeLayout::kAbsoluteMaxSize,
SizeRangeLayout::kAbsoluteMaxSize) {}
gfx::Size SizeRangeLayoutTest::GetMinSize(const SizeRangeLayout* layout) const {
return layout->min_size_;
}
gfx::Size SizeRangeLayoutTest::GetMaxSize(const SizeRangeLayout* layout) const {
return layout->max_size_;
}
TEST_F(SizeRangeLayoutTest, SizeRangeForDefaultConstruction) {
SizeRangeLayout layout;
EXPECT_EQ(kAbsoluteMinSize, GetMinSize(&layout));
EXPECT_EQ(kAbsoluteMaxSize, GetMaxSize(&layout));
}
TEST_F(SizeRangeLayoutTest, SizeRangeForExplicitConstruction) {
const gfx::Size kSmallSize = gfx::Size(13, 14);
const gfx::Size kLargeSize = gfx::Size(25, 26);
SizeRangeLayout layout(kSmallSize, kLargeSize);
EXPECT_EQ(kSmallSize, GetMinSize(&layout));
EXPECT_EQ(kLargeSize, GetMaxSize(&layout));
}
TEST_F(SizeRangeLayoutTest, InvalidMinSizeForExplicitConstruction) {
const gfx::Size kInvalidSmallSize(-1, 2);
const gfx::Size kExpectedMinSize(0, 2);
SizeRangeLayout layout(kInvalidSmallSize, kAbsoluteMaxSize);
EXPECT_EQ(kExpectedMinSize, GetMinSize(&layout));
}
TEST_F(SizeRangeLayoutTest, InvalidMaxSizeForExplicitConstruction) {
const gfx::Size kInvalidSmallSize(-1, 2);
const gfx::Size kExpectedMinSize(0, 2);
SizeRangeLayout layout(kInvalidSmallSize, kAbsoluteMaxSize);
EXPECT_EQ(kExpectedMinSize, GetMinSize(&layout));
}
TEST_F(SizeRangeLayoutTest, MaxSizeSmallerThanMinSizeConstruction) {
const gfx::Size kMinSize(10, 11);
const gfx::Size kMaxSize(5, 6);
SizeRangeLayout layout(kMinSize, kMaxSize);
EXPECT_EQ(kMaxSize, GetMinSize(&layout));
EXPECT_EQ(kMaxSize, GetMaxSize(&layout));
}
TEST_F(SizeRangeLayoutTest, SizeRangeForExplicitSetSize) {
const gfx::Size kSize = gfx::Size(13, 14);
SizeRangeLayout layout;
EXPECT_NE(kSize, GetMinSize(&layout));
EXPECT_NE(kSize, GetMaxSize(&layout));
layout.SetSize(kSize);
EXPECT_EQ(kSize, GetMinSize(&layout));
EXPECT_EQ(kSize, GetMaxSize(&layout));
}
TEST_F(SizeRangeLayoutTest, InvalidSizeRangesForExplicitSetSize) {
const gfx::Size kInvalidSize(-7, 8);
const gfx::Size kExpectedSize(0, 8);
SizeRangeLayout layout;
layout.SetSize(kInvalidSize);
EXPECT_EQ(kExpectedSize, GetMinSize(&layout));
EXPECT_EQ(kExpectedSize, GetMaxSize(&layout));
}
TEST_F(SizeRangeLayoutTest, InternalLayoutManagerPreferredSizeIsUsed) {
const gfx::Size kSize(7, 8);
std::unique_ptr<views::test::TestLayoutManager> child_layout =
base::MakeUnique<views::test::TestLayoutManager>();
child_layout->set_preferred_size(kSize);
SizeRangeLayout layout;
EXPECT_NE(kSize, layout.GetPreferredSize(&host_));
layout.SetLayoutManager(std::move(child_layout));
EXPECT_EQ(kSize, layout.GetPreferredSize(&host_));
}
TEST_F(SizeRangeLayoutTest, SmallPreferredSizeIsClamped) {
const gfx::Size kMinSize(10, 10);
const gfx::Size kMaxSize(20, 20);
const gfx::Size kLayoutPreferredSize(5, 5);
std::unique_ptr<views::test::TestLayoutManager> child_layout =
base::MakeUnique<views::test::TestLayoutManager>();
child_layout->set_preferred_size(kLayoutPreferredSize);
SizeRangeLayout layout;
layout.SetLayoutManager(std::move(child_layout));
layout.SetMinSize(kMinSize);
layout.SetMaxSize(kMaxSize);
EXPECT_EQ(kMinSize, layout.GetPreferredSize(&host_));
}
TEST_F(SizeRangeLayoutTest, LargePreferredSizeIsClamped) {
const gfx::Size kMinSize(10, 10);
const gfx::Size kMaxSize(20, 20);
const gfx::Size kLayoutPreferredSize(25, 25);
std::unique_ptr<views::test::TestLayoutManager> child_layout =
base::MakeUnique<views::test::TestLayoutManager>();
child_layout->set_preferred_size(kLayoutPreferredSize);
SizeRangeLayout layout;
layout.SetLayoutManager(std::move(child_layout));
layout.SetMinSize(kMinSize);
layout.SetMaxSize(kMaxSize);
EXPECT_EQ(kMaxSize, layout.GetPreferredSize(&host_));
}
TEST_F(SizeRangeLayoutTest, MaxSizeLargerThanMinSizeUpdatesMinSize) {
const gfx::Size kMinSize(10, 10);
const gfx::Size kMaxSize(5, 5);
SizeRangeLayout layout;
layout.SetMinSize(kMinSize);
EXPECT_EQ(kMinSize, GetMinSize(&layout));
layout.SetMaxSize(kMaxSize);
EXPECT_EQ(kMaxSize, GetMinSize(&layout));
}
TEST_F(SizeRangeLayoutTest, MinSizeSmallerThanMaxSizeUpdatesMaxSize) {
const gfx::Size kMinSize(10, 10);
const gfx::Size kMaxSize(5, 5);
SizeRangeLayout layout;
layout.SetMaxSize(kMaxSize);
EXPECT_EQ(kMaxSize, GetMaxSize(&layout));
layout.SetMinSize(kMinSize);
EXPECT_EQ(kMinSize, GetMaxSize(&layout));
}
TEST_F(SizeRangeLayoutTest,
InternalLayoutManagerPreferredHeightForWidthIsUsed) {
const int kWidth = 5;
const int kHeight = 9;
std::unique_ptr<views::test::TestLayoutManager> child_layout =
base::MakeUnique<views::test::TestLayoutManager>();
child_layout->set_preferred_height_for_width(kHeight);
SizeRangeLayout layout;
EXPECT_NE(kHeight, layout.GetPreferredHeightForWidth(&host_, kWidth));
layout.SetLayoutManager(std::move(child_layout));
EXPECT_EQ(kHeight, layout.GetPreferredHeightForWidth(&host_, kWidth));
}
} // namespace ash