PrintPreview: [LINUX] Update the margin values after flipping the paper orientation.

printing/page_setup_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 "printing/page_setup.h"
 
 #include <stdlib.h>
 #include <time.h>
 
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 172 matching lines @@
   EXPECT_EQ(setup.effective_margins().top, 2);
   EXPECT_EQ(setup.effective_margins().right, 3);
   EXPECT_EQ(setup.effective_margins().bottom, 4);
 
   setup.ForceRequestedMargins(margins);
   EXPECT_EQ(setup.effective_margins().left, 0);
   EXPECT_EQ(setup.effective_margins().top, 0);
   EXPECT_EQ(setup.effective_margins().right, 0);
   EXPECT_EQ(setup.effective_margins().bottom, 0);
 }
+
+TEST(PageSetupTest, FlipOrientation) {
+  // Margins.
+  printing::PageMargins margins;
+  margins.header = 2;
+  margins.footer = 2;
+  margins.left = 4;
+  margins.top = 14;
+  margins.right = 5;
+  margins.bottom = 7;
+  int kTextHeight = 3;
+
+  // Page description.
+  gfx::Size page_size(100, 70);
+  gfx::Rect printable_area(3, 3, 92, 50);
+
+  // Make the calculations.
+  printing::PageSetup setup;
+  setup.Init(page_size, printable_area, kTextHeight);
+  setup.SetRequestedMargins(margins);
+
+  EXPECT_EQ(setup.effective_margins().left, 4);
+  EXPECT_EQ(setup.effective_margins().top, 14);
+  EXPECT_EQ(setup.effective_margins().right, 5);
+  EXPECT_EQ(setup.effective_margins().bottom, 20);
+
+  setup.FlipOrientation();

[vandebo (ex-Chrome), 2011/11/02 20:26:03]

Let's check all the values (physical_size_, printable_area_, overlay_area_,
content_area_, requested_margins_) before/after the flip since there isn't
already a test of FlipOrientation.

[kmadhusu, 2011/11/02 23:15:03]

Done.

+  EXPECT_EQ(setup.effective_margins().left, 14);
+  EXPECT_EQ(setup.effective_margins().top, 8);
+  EXPECT_EQ(setup.effective_margins().right, 17);
+  EXPECT_EQ(setup.effective_margins().bottom, 6);
+
+  // Force requested margins and flip the orientation.
+  setup.Init(page_size, printable_area, kTextHeight);
+  setup.ForceRequestedMargins(margins);
+  EXPECT_EQ(setup.effective_margins().left, 4);
+  EXPECT_EQ(setup.effective_margins().top, 14);
+  EXPECT_EQ(setup.effective_margins().right, 5);
+  EXPECT_EQ(setup.effective_margins().bottom, 7);
+
+  setup.FlipOrientation();
+  // Margins values are changed respectively.
+  EXPECT_EQ(setup.effective_margins().left,14);
+  EXPECT_EQ(setup.effective_margins().top, 5);
+  EXPECT_EQ(setup.effective_margins().right, 7);
+  EXPECT_EQ(setup.effective_margins().bottom, 4);
+}