Revert 71230 to see if it is related to hang on linux interactive_ui_tests....

views/controls/single_split_view_unittest.cc

-// Copyright (c) 2010 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 "base/logging.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "views/controls/single_split_view.h"
-
-using ::testing::_;
-using ::testing::Return;
-
-namespace {
-
-static void VerifySplitViewLayout(const views::SingleSplitView& split) {
-  ASSERT_EQ(2, split.GetChildViewCount());
-
-  views::View* leading = split.GetChildViewAt(0);
-  views::View* trailing = split.GetChildViewAt(1);
-
-  if (split.bounds().IsEmpty()) {
-    EXPECT_TRUE(leading->bounds().IsEmpty());
-    EXPECT_TRUE(trailing->bounds().IsEmpty());
-    return;
-  }
-
-  EXPECT_FALSE(leading->bounds().IsEmpty());
-  EXPECT_FALSE(trailing->bounds().IsEmpty());
-  EXPECT_FALSE(leading->bounds().Intersects(trailing->bounds()));
-
-  if (split.orientation() == views::SingleSplitView::HORIZONTAL_SPLIT) {
-    EXPECT_EQ(leading->bounds().height(), split.bounds().height());
-    EXPECT_EQ(trailing->bounds().height(), split.bounds().height());
-    EXPECT_LT(leading->bounds().width() + trailing->bounds().width(),
-              split.bounds().width());
-  } else if (split.orientation() == views::SingleSplitView::VERTICAL_SPLIT) {
-    EXPECT_EQ(leading->bounds().width(), split.bounds().width());
-    EXPECT_EQ(trailing->bounds().width(), split.bounds().width());
-    EXPECT_LT(leading->bounds().height() + trailing->bounds().height(),
-              split.bounds().height());
-  } else {
-    NOTREACHED();
-  }
-}
-
-class MockObserver : public views::SingleSplitView::Observer {
- public:
-  MOCK_METHOD1(SplitHandleMoved, bool(views::SingleSplitView*));
-};
-
-}  // namespace
-
-namespace views {
-
-TEST(SingleSplitViewTest, Resize) {
-  // Test cases to iterate through for horizontal and vertical split views.
-  struct TestCase {
-    // Split view resize policy for this test case.
-    bool resize_leading_on_bounds_change;
-    // Split view size to set.
-    int primary_axis_size;
-    int secondary_axis_size;
-    // Expected divider offset.
-    int divider_offset;
-  } test_cases[] = {
-    // The initial split size is 100x100, divider at 33.
-    { true, 100, 100, 33 },
-    // Grow the split view, leading view should grow.
-    { true, 1000, 100, 933 },
-    // Shrink the split view, leading view should shrink.
-    { true, 200, 100, 133 },
-    // Minimize the split view, divider should not move.
-    { true, 0, 0, 133 },
-    // Restore the split view, divider should not move.
-    { false, 500, 100, 133 },
-    // Resize the split view by secondary axis, divider should not move.
-    { false,  500, 600, 133 }
-  };
-
-  SingleSplitView::Orientation orientations[] = {
-    SingleSplitView::HORIZONTAL_SPLIT,
-    SingleSplitView::VERTICAL_SPLIT
-  };
-
-  for (size_t orientation = 0; orientation < arraysize(orientations);
-       ++orientation) {
-    // Create a split view.
-    SingleSplitView split(
-        new View(), new View(), orientations[orientation], NULL);
-
-    // Set initial size and divider offset.
-    EXPECT_EQ(test_cases[0].primary_axis_size,
-              test_cases[0].secondary_axis_size);
-    split.SetBounds(0, 0, test_cases[0].primary_axis_size,
-                    test_cases[0].secondary_axis_size);
-    split.set_divider_offset(test_cases[0].divider_offset);
-    split.Layout();
-
-    // Run all test cases.
-    for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_cases); ++i) {
-      split.set_resize_leading_on_bounds_change(
-          test_cases[i].resize_leading_on_bounds_change);
-      if (split.orientation() == SingleSplitView::HORIZONTAL_SPLIT) {
-        split.SetBounds(0, 0, test_cases[i].primary_axis_size,
-                        test_cases[i].secondary_axis_size);
-      } else {
-        split.SetBounds(0, 0, test_cases[i].secondary_axis_size,
-                        test_cases[i].primary_axis_size);
-      }
-
-      EXPECT_EQ(test_cases[i].divider_offset, split.divider_offset());
-      VerifySplitViewLayout(split);
-    }
-
-    // Special cases, one of the child views is hidden.
-    split.GetChildViewAt(0)->SetVisible(false);
-    split.Layout();
-
-    EXPECT_EQ(split.bounds().size(),
-              split.GetChildViewAt(1)->bounds().size());
-
-    split.GetChildViewAt(0)->SetVisible(true);
-    split.GetChildViewAt(1)->SetVisible(false);
-    split.Layout();
-
-    EXPECT_EQ(split.bounds().size(),
-              split.GetChildViewAt(0)->bounds().size());
-  }
-}
-
-TEST(SingleSplitViewTest, MouseDrag) {
-  MockObserver observer;
-  SingleSplitView split(
-      new View(), new View(), SingleSplitView::VERTICAL_SPLIT, &observer);
-
-  ON_CALL(observer, SplitHandleMoved(_))
-      .WillByDefault(Return(true));
-  // SplitHandleMoved is expected to be called once for every mouse move.
-  EXPECT_CALL(observer, SplitHandleMoved(_))
-      .Times(2);
-
-  split.SetBounds(0, 0, 10, 100);
-  const int kInitialDividerOffset = 33;
-  const int kMouseOffset = 2;  // Mouse offset in the divider.
-  const int kMouseMoveDelta = 7;
-  split.set_divider_offset(kInitialDividerOffset);
-  split.Layout();
-
-  // Drag divider to the right, in 2 steps.
-  MouseEvent mouse_pressed(
-      Event::ET_MOUSE_PRESSED, 7, kInitialDividerOffset + kMouseOffset, 0);
-  ASSERT_TRUE(split.OnMousePressed(mouse_pressed));
-  EXPECT_EQ(kInitialDividerOffset, split.divider_offset());
-
-  MouseEvent mouse_dragged_1(
-      Event::ET_MOUSE_DRAGGED, 5,
-      kInitialDividerOffset + kMouseOffset + kMouseMoveDelta, 0);
-  ASSERT_TRUE(split.OnMouseDragged(mouse_dragged_1));
-  EXPECT_EQ(kInitialDividerOffset + kMouseMoveDelta, split.divider_offset());
-
-  MouseEvent mouse_dragged_2(
-      Event::ET_MOUSE_DRAGGED, 6,
-      kInitialDividerOffset + kMouseOffset + kMouseMoveDelta * 2, 0);
-  ASSERT_TRUE(split.OnMouseDragged(mouse_dragged_2));
-  EXPECT_EQ(kInitialDividerOffset + kMouseMoveDelta * 2,
-            split.divider_offset());
-
-  MouseEvent mouse_released(
-      Event::ET_MOUSE_RELEASED, 7,
-      kInitialDividerOffset + kMouseOffset + kMouseMoveDelta * 2, 0);
-  split.OnMouseReleased(mouse_released, false);
-  EXPECT_EQ(kInitialDividerOffset + kMouseMoveDelta * 2,
-            split.divider_offset());
-}
-
-}  // namespace views