ui/ozone/common/display_util_unittest.cc

   1 // Copyright 2015 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 "ui/ozone/common/display_util.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
   8
   9 typedef testing::Test DisplayUtilTest;
  10
  11 namespace ui {
  12 namespace {
  13
  14 // EDID from HP ZR30w
  15 const unsigned char kTestEDID[] =
  16     "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01"
  17     "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25"
  18     "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"
  19     "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20"
  20     "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30"
  21     "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48"
  22     "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff"
  23     "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71";
  24
  25 }  // namespace
  26
  27 TEST_F(DisplayUtilTest, BasicEDID) {
  28   DisplaySnapshot_Params params;
  29   //  -1 to skip NULL byte.
  30   std::vector<uint8_t> edid(kTestEDID, kTestEDID + arraysize(kTestEDID) - 1);
  31
  32   // External Display
  33   EXPECT_TRUE(CreateSnapshotFromEDID(true, edid, &params));
  34   EXPECT_EQ("HP ZR30w", params.display_name);
  35   EXPECT_EQ(1u, params.modes.size());
  36   EXPECT_TRUE(params.has_current_mode);
  37   EXPECT_EQ("2560x1600", params.current_mode.size.ToString());
  38   EXPECT_EQ("641x400", params.physical_size.ToString());
  39   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_INTERNAL, params.type);
  40
  41   // Reset
  42   params = DisplaySnapshot_Params();
  43
  44   // External Display
  45   EXPECT_TRUE(CreateSnapshotFromEDID(false, edid, &params));
  46   EXPECT_EQ("HP ZR30w", params.display_name);
  47   EXPECT_EQ(1u, params.modes.size());
  48   EXPECT_TRUE(params.has_current_mode);
  49   EXPECT_EQ("2560x1600", params.current_mode.size.ToString());
  50   EXPECT_EQ("641x400", params.physical_size.ToString());
  51   EXPECT_EQ(DISPLAY_CONNECTION_TYPE_VGA, params.type);
  52 }
  53
  54 TEST_F(DisplayUtilTest, EmptyEDID) {
  55   DisplaySnapshot_Params params;
  56   std::vector<uint8_t> edid;
  57
  58   EXPECT_FALSE(CreateSnapshotFromEDID(true, std::vector<uint8_t>(), &params));
  59 }
  60
  61 }  // namespace ui