ppapi/tests/test_printing.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ppapi/tests/test_printing.h"
   6
   7 #include "ppapi/cpp/dev/printing_dev.h"
   8 #include "ppapi/cpp/instance.h"
   9 #include "ppapi/tests/testing_instance.h"
  10
  11 namespace {
  12 bool g_callback_triggered;
  13 int32_t g_callback_result;
  14 PP_PrintSettings_Dev g_print_settings;
  15 }  // namespace
  16
  17 REGISTER_TEST_CASE(Printing);
  18
  19 class TestPrinting_Dev : public pp::Printing_Dev {
  20  public:
  21   explicit TestPrinting_Dev(pp::Instance* instance) :
  22   pp::Printing_Dev(instance) {}
  23   virtual ~TestPrinting_Dev() {}
  24   virtual uint32_t QuerySupportedPrintOutputFormats() { return 0; }
  25   virtual int32_t PrintBegin(
  26       const PP_PrintSettings_Dev& print_settings) { return 0; }
  27   virtual pp::Resource PrintPages(
  28       const PP_PrintPageNumberRange_Dev* page_ranges,
  29   uint32_t page_range_count) {
  30     return pp::Resource();
  31   }
  32   virtual void PrintEnd() {}
  33   virtual bool IsPrintScalingDisabled() { return false; }
  34 };
  35
  36 TestPrinting::TestPrinting(TestingInstance* instance)
  37     : TestCase(instance),
  38       nested_event_(instance->pp_instance()) {
  39   callback_factory_.Initialize(this);
  40 }
  41
  42 void TestPrinting::RunTests(const std::string& filter) {
  43   RUN_TEST(GetDefaultPrintSettings, filter);
  44 }
  45
  46 std::string TestPrinting::TestGetDefaultPrintSettings() {
  47   g_callback_triggered = false;
  48   TestPrinting_Dev test_printing(instance_);
  49   pp::CompletionCallbackWithOutput<PP_PrintSettings_Dev> cb =
  50       callback_factory_.NewCallbackWithOutput(&TestPrinting::Callback);
  51   test_printing.GetDefaultPrintSettings(cb);
  52   nested_event_.Wait();
  53
  54   ASSERT_EQ(PP_OK, g_callback_result);
  55   ASSERT_TRUE(g_callback_triggered);
  56
  57   // Sanity check the |printable_area|, |content_area| and |paper_size| members.
  58   // It is possible these values are outside these ranges but it shouldn't
  59   // happen in practice and probably means there is an error in computing
  60   // the default print settings. These values are in points.
  61   ASSERT_TRUE(g_print_settings.printable_area.point.x < 200);
  62   ASSERT_TRUE(g_print_settings.printable_area.point.y < 200);
  63   ASSERT_TRUE(g_print_settings.printable_area.size.width < 2000);
  64   ASSERT_TRUE(g_print_settings.printable_area.size.height < 2000);
  65
  66   ASSERT_TRUE(g_print_settings.content_area.point.x < 200);
  67   ASSERT_TRUE(g_print_settings.content_area.point.y < 200);
  68   ASSERT_TRUE(g_print_settings.content_area.size.width < 2000);
  69   ASSERT_TRUE(g_print_settings.content_area.size.height< 2000);
  70
  71   ASSERT_TRUE(g_print_settings.paper_size.width < 2000);
  72   ASSERT_TRUE(g_print_settings.paper_size.height < 2000);
  73
  74   PASS();
  75 }
  76
  77 void TestPrinting::Callback(int32_t result,
  78                             PP_PrintSettings_Dev& print_settings) {
  79   g_callback_triggered = true;
  80   g_callback_result = result;
  81   g_print_settings = print_settings;
  82   nested_event_.Signal();
  83 }