Index: ash/common/system/tray/size_range_layout_unittest.cc |
diff --git a/ash/common/system/tray/size_range_layout_unittest.cc b/ash/common/system/tray/size_range_layout_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4db8c247b724c6720a42feb2dbff52199bf0a3c8 |
--- /dev/null |
+++ b/ash/common/system/tray/size_range_layout_unittest.cc |
@@ -0,0 +1,182 @@ |
+// 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_; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(SizeRangeLayoutTest); |
+}; |
+ |
+SizeRangeLayoutTest::SizeRangeLayoutTest() {} |
+ |
+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(SizeRangeLayout::AbsoluteMinSize(), GetMinSize(&layout)); |
+ EXPECT_EQ(SizeRangeLayout::AbsoluteMaxSize(), 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, SizeRangeLayout::AbsoluteMaxSize()); |
+ EXPECT_EQ(kExpectedMinSize, GetMinSize(&layout)); |
+} |
+ |
+TEST_F(SizeRangeLayoutTest, InvalidMaxSizeForExplicitConstruction) { |
+ const gfx::Size kInvalidSmallSize(-1, 2); |
+ const gfx::Size kExpectedMinSize(0, 2); |
+ |
+ SizeRangeLayout layout(kInvalidSmallSize, SizeRangeLayout::AbsoluteMaxSize()); |
+ 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 |