MacViews: Implement Tab Dragging

ui/gfx/geometry/rect_unittest.cc

Index: ui/gfx/geometry/rect_unittest.cc
diff --git a/ui/gfx/geometry/rect_unittest.cc b/ui/gfx/geometry/rect_unittest.cc
index be4b462073671ccef217627f2c6977be5299ff08..d99b67570e47d2413b022ca066e0952a185913aa 100644
--- a/ui/gfx/geometry/rect_unittest.cc
+++ b/ui/gfx/geometry/rect_unittest.cc
@@ -915,4 +915,34 @@ TEST(RectTest, ManhattanInternalDistance) {
       f.ManhattanInternalDistance(gfx::RectF(-1.5f, 0.0f, 1.5f, 1.0f)));
 }
 
+TEST(RectTest, ConstrainToEnclosingRect) {
+  Rect r(10, 10, 10, 10);
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(15, 15)), Point(15, 15));
+
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(15, 0)), Point(15, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(15, 30)), Point(15, 20));
+
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(0, 15)), Point(10, 15));
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(30, 15)), Point(20, 15));
+
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(0, 0)), Point(10, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(0, 30)), Point(10, 20));
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(30, 0)), Point(20, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(r, Point(30, 30)), Point(20, 20));
+
+  Rect empty(10, 10, 0, 0);
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(15, 15)), Point(10, 10));
+
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(15, 0)), Point(10, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(15, 30)), Point(10, 10));
+
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(0, 15)), Point(10, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(30, 15)), Point(10, 10));
+
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(0, 0)), Point(10, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(0, 30)), Point(10, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(30, 0)), Point(10, 10));
+  EXPECT_EQ(ConstrainToEnclosingRect(empty, Point(30, 30)), Point(10, 10));
+}
+
 }  // namespace gfx