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      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 }
     84