Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/gtk_chrome_shrinkable_hbox_unittest.cc

-// Copyright (c) 2011 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 "chrome/browser/ui/gtk/gtk_chrome_shrinkable_hbox.h"
-
-#include <vector>
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-const int kSpacing = 3;
-const int kBorderWidth = 5;
-
-}  // namespace
-
-class GtkChromeShrinkableHBoxTest : public testing::Test {
- protected:
-  GtkChromeShrinkableHBoxTest()
-      : window_(gtk_window_new(GTK_WINDOW_TOPLEVEL)),
-        box_(gtk_chrome_shrinkable_hbox_new(FALSE, FALSE, kSpacing)) {
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_LTR);
-    gtk_window_set_default_size(GTK_WINDOW(window_), 200, 200);
-    gtk_container_add(GTK_CONTAINER(window_), box_);
-    gtk_container_set_border_width(GTK_CONTAINER(box_), kBorderWidth);
-  }
-
-  virtual ~GtkChromeShrinkableHBoxTest() {
-    gtk_widget_destroy(window_);
-  }
-
-  // Add some children widgets with arbitrary width and padding.
-  void AddChildren(bool pack_start) {
-    static struct {
-      int width;
-      int padding;
-    } kChildrenData[] = {
-      { 60, 2 },
-      { 70, 3 },
-      { 80, 5 },
-      { 50, 7 },
-      { 40, 11 },
-      { 60, 0 },
-      { 0, 0 }
-    };
-
-    for (size_t i = 0; kChildrenData[i].width; ++i) {
-      GtkWidget* child = gtk_fixed_new();
-      gtk_widget_set_size_request(child, kChildrenData[i].width, -1);
-      if (pack_start) {
-        gtk_chrome_shrinkable_hbox_pack_start(
-            GTK_CHROME_SHRINKABLE_HBOX(box_), child, kChildrenData[i].padding);
-      } else {
-        gtk_chrome_shrinkable_hbox_pack_end(
-            GTK_CHROME_SHRINKABLE_HBOX(box_), child, kChildrenData[i].padding);
-      }
-    }
-  }
-
-  // Check if all children's size allocation are inside the |box_|'s boundary.
-  void Validate(bool pack_start) {
-    std::vector<ChildData> children_data;
-    gtk_container_foreach(GTK_CONTAINER(box_), CollectChildData,
-                          &children_data);
-
-    size_t children_count = children_data.size();
-    size_t visible_children_count = 0;
-    for (size_t i = 0; i < children_count; ++i) {
-      if (children_data[i].visible)
-        ++visible_children_count;
-    }
-
-    if (visible_children_count == 0)
-      return;
-
-    int border_width = gtk_container_get_border_width(GTK_CONTAINER(box_));
-    int x = box_->allocation.x + border_width;
-    int width = box_->allocation.width - border_width * 2;
-    int spacing = gtk_box_get_spacing(GTK_BOX(box_));
-    bool homogeneous = gtk_box_get_homogeneous(GTK_BOX(box_));
-
-    if (homogeneous) {
-      // If the |box_| is in homogeneous mode, then check if the visible
-      // children are not overlapped with each other.
-      int homogeneous_child_width =
-          (width - (visible_children_count - 1) * spacing) /
-          visible_children_count;
-
-      for (size_t i = 0; i < children_count; ++i) {
-        SCOPED_TRACE(testing::Message() << "Validate homogeneous child " << i
-                     << " visible: " << children_data[i].visible
-                     << " padding: " << children_data[i].padding
-                     << " x: " << children_data[i].x
-                     << " width: " << children_data[i].width);
-
-        if (children_data[i].visible)
-          ASSERT_LE(children_data[i].width, homogeneous_child_width);
-      }
-    } else {
-      // If the |box_| is not in homogeneous mode, then just check if all
-      // visible children are inside the |box_|'s boundary. And for those
-      // hidden children which are out of the boundary, they should only
-      // be hidden one by one from the end of the |box_|.
-      bool last_visible = pack_start;
-      bool visibility_changed = false;
-      for (size_t i = 0; i < children_count; ++i) {
-        SCOPED_TRACE(testing::Message() << "Validate child " << i
-                     << " visible: " << children_data[i].visible
-                     << " padding: " << children_data[i].padding
-                     << " x: " << children_data[i].x
-                     << " width: " << children_data[i].width);
-
-        if (last_visible != children_data[i].visible) {
-          ASSERT_FALSE(visibility_changed);
-          visibility_changed = true;
-          last_visible = children_data[i].visible;
-        }
-        if (children_data[i].visible) {
-          ASSERT_GE(children_data[i].x,
-                    x + children_data[i].padding);
-          ASSERT_LE(children_data[i].x + children_data[i].width,
-                    x + width - children_data[i].padding);
-        }
-      }
-    }
-  }
-
-  void Test(bool pack_start) {
-    gtk_widget_show_all(window_);
-    GtkAllocation allocation = { 0, 0, 0, 200 };
-    gtk_chrome_shrinkable_hbox_set_hide_child_directly(
-        GTK_CHROME_SHRINKABLE_HBOX(box_), FALSE);
-    for (int width = 500; width > kBorderWidth * 2; --width) {
-      SCOPED_TRACE(testing::Message() << "Shrink hide_child_directly = FALSE,"
-                   << " width = " << width);
-
-      allocation.width = width;
-      // Reducing the width may cause some children to be hidden, which will
-      // cause queue resize, so it's necessary to do another size allocation to
-      // emulate the queue resize.
-      gtk_widget_size_allocate(box_, &allocation);
-      gtk_widget_size_allocate(box_, &allocation);
-      ASSERT_NO_FATAL_FAILURE(Validate(pack_start)) << "width = " << width;
-    }
-
-    for (int width = kBorderWidth * 2; width <= 500; ++width) {
-      SCOPED_TRACE(testing::Message() << "Expand hide_child_directly = FALSE,"
-                   << " width = " << width);
-
-      allocation.width = width;
-      // Expanding the width may cause some invisible children to be shown,
-      // which will cause queue resize, so it's necessary to do another size
-      // allocation to emulate the queue resize.
-      gtk_widget_size_allocate(box_, &allocation);
-      gtk_widget_size_allocate(box_, &allocation);
-      ASSERT_NO_FATAL_FAILURE(Validate(pack_start));
-    }
-
-    gtk_chrome_shrinkable_hbox_set_hide_child_directly(
-        GTK_CHROME_SHRINKABLE_HBOX(box_), TRUE);
-    for (int width = 500; width > kBorderWidth * 2; --width) {
-      SCOPED_TRACE(testing::Message() << "Shrink hide_child_directly = TRUE,"
-                   << " width = " << width);
-
-      allocation.width = width;
-      gtk_widget_size_allocate(box_, &allocation);
-      gtk_widget_size_allocate(box_, &allocation);
-      ASSERT_NO_FATAL_FAILURE(Validate(pack_start));
-    }
-
-    for (int width = kBorderWidth * 2; width <= 500; ++width) {
-      SCOPED_TRACE(testing::Message() << "Expand hide_child_directly = TRUE,"
-                   << " width = " << width);
-
-      allocation.width = width;
-      gtk_widget_size_allocate(box_, &allocation);
-      gtk_widget_size_allocate(box_, &allocation);
-      ASSERT_NO_FATAL_FAILURE(Validate(pack_start));
-    }
-  }
-
- protected:
-  GtkWidget* window_;
-  GtkWidget* box_;
-
- private:
-  struct ChildData {
-    bool visible;
-    int padding;
-    int x;
-    int width;
-  };
-
-  static void CollectChildData(GtkWidget* child, gpointer userdata) {
-    guint padding;
-    gtk_box_query_child_packing(GTK_BOX(gtk_widget_get_parent(child)), child,
-                                NULL, NULL, &padding, NULL);
-
-    ChildData data;
-    data.visible = gtk_widget_get_visible(child);
-    data.padding = padding;
-    data.x = child->allocation.x;
-    data.width = child->allocation.width;
-
-    reinterpret_cast<std::vector<ChildData>*>(userdata)->push_back(data);
-  }
-};
-
-TEST_F(GtkChromeShrinkableHBoxTest, PackStart) {
-  AddChildren(true);
-
-  {
-    SCOPED_TRACE("Test LTR");
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_LTR);
-    EXPECT_NO_FATAL_FAILURE(Test(true));
-  }
-  {
-    SCOPED_TRACE("Test RTL");
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_RTL);
-    EXPECT_NO_FATAL_FAILURE(Test(true));
-  }
-}
-
-TEST_F(GtkChromeShrinkableHBoxTest, PackEnd) {
-  AddChildren(false);
-
-  {
-    SCOPED_TRACE("Test LTR");
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_LTR);
-    EXPECT_NO_FATAL_FAILURE(Test(false));
-  }
-  {
-    SCOPED_TRACE("Test RTL");
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_RTL);
-    EXPECT_NO_FATAL_FAILURE(Test(false));
-  }
-}
-
-TEST_F(GtkChromeShrinkableHBoxTest, Homogeneous) {
-  AddChildren(true);
-  gtk_box_set_homogeneous(GTK_BOX(box_), true);
-
-  {
-    SCOPED_TRACE("Test LTR");
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_LTR);
-    EXPECT_NO_FATAL_FAILURE(Test(true));
-  }
-  {
-    SCOPED_TRACE("Test RTL");
-    gtk_widget_set_direction(box_, GTK_TEXT_DIR_RTL);
-    EXPECT_NO_FATAL_FAILURE(Test(true));
-  }
-}