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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chromeos/display/output_util.h" | 5 #include "ui/display/chromeos/x11/display_util.h" |
| 6 | 6 |
| 7 #include "base/memory/scoped_ptr.h" | 7 #include "base/memory/scoped_ptr.h" |
| 8 #include "testing/gtest/include/gtest/gtest.h" | 8 #include "testing/gtest/include/gtest/gtest.h" |
| 9 | 9 |
| 10 #include <X11/extensions/Xrandr.h> | 10 #include <X11/extensions/Xrandr.h> |
| 11 | 11 |
| 12 namespace chromeos { | 12 namespace ui { |
| 13 | 13 |
| 14 namespace { | 14 namespace { |
| 15 | 15 |
| 16 // Returns the number of characters in the string literal but doesn't count its | 16 // Returns the number of characters in the string literal but doesn't count its |
| 17 // terminator NULL byte. | 17 // terminator NULL byte. |
| 18 #define charsize(str) (arraysize(str) - 1) | 18 #define charsize(str) (arraysize(str) - 1) |
| 19 | 19 |
| 20 // Sample EDID data extracted from real devices. | 20 // Sample EDID data extracted from real devices. |
| 21 const unsigned char kNormalDisplay[] = | 21 const unsigned char kNormalDisplay[] = |
| 22 "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" | 22 "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" |
| (...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 70 "\x15\x13\x14\x1f\x20\x23\x0d\x7f\x07\x83\x0f\x00\x00\x67\x03\x0c" | 70 "\x15\x13\x14\x1f\x20\x23\x0d\x7f\x07\x83\x0f\x00\x00\x67\x03\x0c" |
| 71 "\x00\x10\x00\x38\x2d\xe3\x05\x03\x01\x02\x3a\x80\x18\x71\x38\x2d" | 71 "\x00\x10\x00\x38\x2d\xe3\x05\x03\x01\x02\x3a\x80\x18\x71\x38\x2d" |
| 72 "\x40\x58\x2c\x45\x00\x81\x91\x21\x00\x00\x1e\x01\x1d\x80\x18\x71" | 72 "\x40\x58\x2c\x45\x00\x81\x91\x21\x00\x00\x1e\x01\x1d\x80\x18\x71" |
| 73 "\x1c\x16\x20\x58\x2c\x25\x00\x81\x91\x21\x00\x00\x9e\x01\x1d\x00" | 73 "\x1c\x16\x20\x58\x2c\x25\x00\x81\x91\x21\x00\x00\x9e\x01\x1d\x00" |
| 74 "\x72\x51\xd0\x1e\x20\x6e\x28\x55\x00\x81\x91\x21\x00\x00\x1e\x8c" | 74 "\x72\x51\xd0\x1e\x20\x6e\x28\x55\x00\x81\x91\x21\x00\x00\x1e\x8c" |
| 75 "\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\x81\x91\x21\x00\x00" | 75 "\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\x81\x91\x21\x00\x00" |
| 76 "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x94"; | 76 "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x94"; |
| 77 | 77 |
| 78 } // namespace | 78 } // namespace |
| 79 | 79 |
| 80 TEST(OutputUtilTest, ParseOverscanFlag) { | 80 TEST(DisplayUtilTest, ParseOverscanFlag) { |
| 81 bool flag = false; | 81 bool flag = false; |
| 82 EXPECT_FALSE(ParseOutputOverscanFlag( | 82 EXPECT_FALSE( |
| 83 kNormalDisplay, charsize(kNormalDisplay), &flag)); | 83 ParseOutputOverscanFlag(kNormalDisplay, charsize(kNormalDisplay), &flag)); |
| 84 | 84 |
| 85 flag = false; | 85 flag = false; |
| 86 EXPECT_FALSE(ParseOutputOverscanFlag( | 86 EXPECT_FALSE(ParseOutputOverscanFlag( |
| 87 kInternalDisplay, charsize(kInternalDisplay), &flag)); | 87 kInternalDisplay, charsize(kInternalDisplay), &flag)); |
| 88 | 88 |
| 89 flag = false; | 89 flag = false; |
| 90 EXPECT_TRUE(ParseOutputOverscanFlag( | 90 EXPECT_TRUE(ParseOutputOverscanFlag( |
| 91 kOverscanDisplay, charsize(kOverscanDisplay), &flag)); | 91 kOverscanDisplay, charsize(kOverscanDisplay), &flag)); |
| 92 EXPECT_TRUE(flag); | 92 EXPECT_TRUE(flag); |
| 93 | 93 |
| 94 flag = false; | 94 flag = false; |
| 95 EXPECT_FALSE(ParseOutputOverscanFlag( | 95 EXPECT_FALSE(ParseOutputOverscanFlag( |
| 96 kMisdetecedDisplay, charsize(kMisdetecedDisplay), &flag)); | 96 kMisdetecedDisplay, charsize(kMisdetecedDisplay), &flag)); |
| 97 | 97 |
| 98 flag = false; | 98 flag = false; |
| 99 // Copy |kOverscanDisplay| and set flags to false in it. The overscan flags | 99 // Copy |kOverscanDisplay| and set flags to false in it. The overscan flags |
| 100 // are embedded at byte 150 in this specific example. Fix here too when the | 100 // are embedded at byte 150 in this specific example. Fix here too when the |
| 101 // contents of kOverscanDisplay is altered. | 101 // contents of kOverscanDisplay is altered. |
| 102 std::string display_data(reinterpret_cast<const char*>(kOverscanDisplay), | 102 std::string display_data(reinterpret_cast<const char*>(kOverscanDisplay), |
| 103 charsize(kOverscanDisplay)); | 103 charsize(kOverscanDisplay)); |
| 104 display_data[150] = '\0'; | 104 display_data[150] = '\0'; |
| 105 EXPECT_TRUE(ParseOutputOverscanFlag( | 105 EXPECT_TRUE(ParseOutputOverscanFlag( |
| 106 reinterpret_cast<const unsigned char*>(display_data.data()), | 106 reinterpret_cast<const unsigned char*>(display_data.data()), |
| 107 display_data.size(), &flag)); | 107 display_data.size(), |
| 108 &flag)); |
| 108 EXPECT_FALSE(flag); | 109 EXPECT_FALSE(flag); |
| 109 } | 110 } |
| 110 | 111 |
| 111 TEST(OutputUtilTest, ParseBrokenOverscanData) { | 112 TEST(DisplayUtilTest, ParseBrokenOverscanData) { |
| 112 // Do not fill valid data here because it anyway fails to parse the data. | 113 // Do not fill valid data here because it anyway fails to parse the data. |
| 113 scoped_ptr<unsigned char[]> data(new unsigned char[126]); | 114 scoped_ptr<unsigned char[]> data(new unsigned char[126]); |
| 114 bool flag = false; | 115 bool flag = false; |
| 115 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 0, &flag)); | 116 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 0, &flag)); |
| 116 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 126, &flag)); | 117 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 126, &flag)); |
| 117 | 118 |
| 118 // extending data because ParseOutputOverscanFlag() will access the data. | 119 // extending data because ParseOutputOverscanFlag() will access the data. |
| 119 data.reset(new unsigned char[150]); | 120 data.reset(new unsigned char[150]); |
| 120 // The number of CEA extensions is stored at byte 126. | 121 // The number of CEA extensions is stored at byte 126. |
| 121 data[126] = '\x01'; | 122 data[126] = '\x01'; |
| 122 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 128, &flag)); | 123 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 128, &flag)); |
| 123 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 150, &flag)); | 124 EXPECT_FALSE(ParseOutputOverscanFlag(data.get(), 150, &flag)); |
| 124 } | 125 } |
| 125 | 126 |
| 126 TEST(OutputUtilTest, IsInternalOutputName) { | 127 TEST(DisplayUtilTest, GetOutputTypeFromName) { |
| 127 EXPECT_TRUE(IsInternalOutputName("LVDS")); | 128 EXPECT_EQ(OUTPUT_TYPE_INTERNAL, GetOutputTypeFromName("LVDS")); |
| 128 EXPECT_TRUE(IsInternalOutputName("eDP")); | 129 EXPECT_EQ(OUTPUT_TYPE_INTERNAL, GetOutputTypeFromName("eDP")); |
| 129 EXPECT_TRUE(IsInternalOutputName("DSI")); | 130 EXPECT_EQ(OUTPUT_TYPE_INTERNAL, GetOutputTypeFromName("DSI")); |
| 130 EXPECT_TRUE(IsInternalOutputName("LVDSxx")); | 131 EXPECT_EQ(OUTPUT_TYPE_INTERNAL, GetOutputTypeFromName("LVDSxx")); |
| 131 EXPECT_TRUE(IsInternalOutputName("eDPzz")); | 132 EXPECT_EQ(OUTPUT_TYPE_INTERNAL, GetOutputTypeFromName("eDPzz")); |
| 132 EXPECT_TRUE(IsInternalOutputName("DSIyy")); | 133 EXPECT_EQ(OUTPUT_TYPE_INTERNAL, GetOutputTypeFromName("DSIyy")); |
| 133 | 134 |
| 134 EXPECT_FALSE(IsInternalOutputName("xyz")); | 135 EXPECT_EQ(OUTPUT_TYPE_VGA, GetOutputTypeFromName("VGA")); |
| 135 EXPECT_FALSE(IsInternalOutputName("abcLVDS")); | 136 EXPECT_EQ(OUTPUT_TYPE_VGA, GetOutputTypeFromName("VGAxx")); |
| 136 EXPECT_FALSE(IsInternalOutputName("cdeeDP")); | 137 EXPECT_EQ(OUTPUT_TYPE_HDMI, GetOutputTypeFromName("HDMI")); |
| 137 EXPECT_FALSE(IsInternalOutputName("abcDSI")); | 138 EXPECT_EQ(OUTPUT_TYPE_HDMI, GetOutputTypeFromName("HDMIyy")); |
| 138 EXPECT_FALSE(IsInternalOutputName("LVD")); | 139 EXPECT_EQ(OUTPUT_TYPE_DVI, GetOutputTypeFromName("DVI")); |
| 139 EXPECT_FALSE(IsInternalOutputName("eD")); | 140 EXPECT_EQ(OUTPUT_TYPE_DVI, GetOutputTypeFromName("DVIzz")); |
| 140 EXPECT_FALSE(IsInternalOutputName("DS")); | 141 EXPECT_EQ(OUTPUT_TYPE_DISPLAYPORT, GetOutputTypeFromName("DP")); |
| 142 EXPECT_EQ(OUTPUT_TYPE_DISPLAYPORT, GetOutputTypeFromName("DPww")); |
| 143 |
| 144 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("xyz")); |
| 145 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("abcLVDS")); |
| 146 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("cdeeDP")); |
| 147 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("abcDSI")); |
| 148 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("LVD")); |
| 149 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("eD")); |
| 150 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("DS")); |
| 151 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("VG")); |
| 152 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("HDM")); |
| 153 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("DV")); |
| 154 EXPECT_EQ(OUTPUT_TYPE_UNKNOWN, GetOutputTypeFromName("D")); |
| 141 } | 155 } |
| 142 | 156 |
| 143 } // namespace chromeos | 157 } // namespace ui |
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