PrintPreview: Hide/Show the header footer option based on print frame margins.

chrome/test/data/webui/print_preview.js

 // Copyright (c) 2012 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.
 
 /**
  * Test fixture for print preview WebUI testing.
  * @extends {testing.Test}
  * @constructor
  */
 function PrintPreviewWebUITest() {}
@@ skipping 252 matching lines @@
         });
       }));
 
   updateControlsWithSelectedPrinterCapabilities();
 
   checkSectionVisible(layoutSettings.layoutOption_, false);
   checkSectionVisible(colorSettings.colorOption_, false);
   checkSectionVisible(copiesSettings.copiesOption_, false);
 });
 
+TEST_F('PrintPreviewWebUITest', 'HeaderFooterSectionDisabled', function() {
+  // Case 1: Zero margin values. Hide header footer option.

[dpapad, 2012/03/14 21:15:17]

Maybe these cases should be broken to independent tests.

[kmadhusu, 2012/03/14 22:10:14]

sure. Done.

+  onDidGetDefaultPageLayout({
+    contentWidth: 100,
+    contentHeight: 200,
+    marginLeft: 0,
+    marginRight: 0,
+    marginTop: 0,
+    marginBottom: 0}, true, false);
+  checkSectionVisible(headerFooterSettings.headerFooterOption_, false);
+
+  // Case 2: Non-zero margins. Show header footer option.
+  onDidGetDefaultPageLayout({
+    contentWidth: 100,
+    contentHeight: 200,
+    marginLeft: 10,
+    marginRight: 10,
+    marginTop: 10,
+    marginBottom: 10}, true, true);
+  checkSectionVisible(headerFooterSettings.headerFooterOption_, true);
+
+  // Case 3: Zero top and bottom margins. Hide header footer option
+  onDidGetDefaultPageLayout({
+    contentWidth: 100,
+    contentHeight: 200,
+    marginLeft: 10,
+    marginRight: 10,
+    marginTop: 0,
+    marginBottom: 0}, false, false);
+  checkSectionVisible(headerFooterSettings.headerFooterOption_, false);
+});
+
 // Test that the color settings are set according to the printer capabilities.
 TEST_F('PrintPreviewWebUITest', 'TestColorSettings', function() {
   this.mockHandler.expects(once()).getPrinterCapabilities('FooDevice').
       will(callFunction(function() {
         updateWithPrinterCapabilities({
           disableColorOption: false,
           setColorAsDefault: true,
           disableCopiesOption: false,
           disableLandscapeOption: false,
           printerDefaultDuplexValue: print_preview.CopiesSettings.SIMPLEX,
@@ skipping 126 matching lines @@
 
 // Test that error message is displayed when plugin doesn't exist.
 TEST_F('PrintPreviewNoPDFWebUITest', 'TestErrorMessage', function() {
   var errorButton = $('error-button');
   assertNotEquals(null, errorButton);
   expectFalse(errorButton.disabled);
   var errorText = $('custom-message');
   assertNotEquals(null, errorText);
   expectFalse(errorText.hidden);
 });