[Autofill] Add basic version of GridLayout

chrome/browser/ui/cocoa/layout_view_unittest.mm

Index: chrome/browser/ui/cocoa/layout_view_unittest.mm
diff --git a/chrome/browser/ui/cocoa/layout_view_unittest.mm b/chrome/browser/ui/cocoa/layout_view_unittest.mm
new file mode 100644
index 0000000000000000000000000000000000000000..a67ad61b711e7fd4c1597b80403624adcf2bdf2f
--- /dev/null
+++ b/chrome/browser/ui/cocoa/layout_view_unittest.mm
@@ -0,0 +1,65 @@
+// Copyright (c) 2013 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.
+
+#import "chrome/browser/ui/cocoa/layout_view.h"
+
+#include "base/memory/scoped_nsobject.h"
+#include "chrome/browser/ui/cocoa/simple_grid_layout.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+#import "ui/base/test/ui_cocoa_test_helper.h"
+
+namespace {
+
+class LayoutViewTest : public ui::CocoaTest {
+ public:
+  LayoutViewTest() {
+    CocoaTest::SetUp();
+    view_.reset([[LayoutView alloc] initWithFrame:NSZeroRect]);
+    [view_ setLayoutManager:
+        scoped_ptr<SimpleGridLayout>(new SimpleGridLayout(view_))];
+    layout_ = [view_ layoutManager];
+    [[test_window() contentView] addSubview:view_];
+  }
+
+ protected:
+  scoped_nsobject<LayoutView> view_;
+  SimpleGridLayout* layout_;  // weak, owned by view_.
+};
+
+}  // namespace
+
+TEST_VIEW(LayoutViewTest, view_)
+
+TEST_F(LayoutViewTest, setFrameInvokesLayout) {
+  EXPECT_FLOAT_EQ(0, NSWidth([view_ frame]));
+  EXPECT_FLOAT_EQ(0, NSHeight([view_ frame]));
+
+  ColumnSet* cs = layout_->AddColumnSet(0);
+  cs->AddColumn(0.4);
+  cs->AddColumn(0.6);
+  layout_->StartRow(0, 0);
+  scoped_nsobject<NSView> childView1(
+      [[NSView alloc] initWithFrame:NSMakeRect(0, 0, 0, 45)]);
+  scoped_nsobject<NSView> childView2(
+      [[NSView alloc] initWithFrame:NSMakeRect(0, 0, 20, 55)]);
+  layout_->AddView(childView1);
+  layout_->AddView(childView2);
+
+  ASSERT_EQ(2U, [[view_ subviews] count]);
+  EXPECT_FLOAT_EQ(0, NSWidth([view_ frame]));
+  EXPECT_FLOAT_EQ(0, NSHeight([view_ frame]));
+
+  [view_ setFrame:NSMakeRect(0, 0, 40, 60)];
+  EXPECT_FLOAT_EQ(40, NSWidth([view_ frame]));
+  EXPECT_FLOAT_EQ(60, NSHeight([view_ frame]));
+
+  NSView* subview = [[view_ subviews] objectAtIndex:0];
+  EXPECT_FLOAT_EQ(16, NSWidth([subview frame]));
+  EXPECT_FLOAT_EQ(55, NSHeight([subview frame]));
+
+  subview = [[view_ subviews] objectAtIndex:1];
+  EXPECT_FLOAT_EQ(24, NSWidth([subview frame]));
+  EXPECT_FLOAT_EQ(55, NSHeight([subview frame]));
+}