| // Copyright (c) 2013 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. |
| |
| #include "base/x11/edid_parser_x11.h" |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| #include <X11/extensions/Xrandr.h> |
| |
| namespace base { |
| |
| namespace { |
| |
| // Returns the number of characters in the string literal but doesn't count its |
| // terminator NULL byte. |
| #define charsize(str) (arraysize(str) - 1) |
| |
| // Sample EDID data extracted from real devices. |
| const unsigned char kNormalDisplay[] = |
| "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01" |
| "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25" |
| "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" |
| "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20" |
| "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30" |
| "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48" |
| "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff" |
| "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71"; |
| |
| const unsigned char kInternalDisplay[] = |
| "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\xa3\x42\x31\x00\x00\x00\x00" |
| "\x00\x15\x01\x03\x80\x1a\x10\x78\x0a\xd3\xe5\x95\x5c\x60\x90\x27" |
| "\x19\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01" |
| "\x01\x01\x01\x01\x01\x01\x9e\x1b\x00\xa0\x50\x20\x12\x30\x10\x30" |
| "\x13\x00\x05\xa3\x10\x00\x00\x19\x00\x00\x00\x0f\x00\x00\x00\x00" |
| "\x00\x00\x00\x00\x00\x23\x87\x02\x64\x00\x00\x00\x00\xfe\x00\x53" |
| "\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x00\x00\x00\xfe" |
| "\x00\x31\x32\x31\x41\x54\x31\x31\x2d\x38\x30\x31\x0a\x20\x00\x45"; |
| |
| const unsigned char kOverscanDisplay[] = |
| "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\x2d\xfe\x08\x00\x00\x00\x00" |
| "\x29\x15\x01\x03\x80\x10\x09\x78\x0a\xee\x91\xa3\x54\x4c\x99\x26" |
| "\x0f\x50\x54\xbd\xef\x80\x71\x4f\x81\xc0\x81\x00\x81\x80\x95\x00" |
| "\xa9\xc0\xb3\x00\x01\x01\x02\x3a\x80\x18\x71\x38\x2d\x40\x58\x2c" |
| "\x45\x00\xa0\x5a\x00\x00\x00\x1e\x66\x21\x56\xaa\x51\x00\x1e\x30" |
| "\x46\x8f\x33\x00\xa0\x5a\x00\x00\x00\x1e\x00\x00\x00\xfd\x00\x18" |
| "\x4b\x0f\x51\x17\x00\x0a\x20\x20\x20\x20\x20\x20\x00\x00\x00\xfc" |
| "\x00\x53\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x01\x1d" |
| "\x02\x03\x1f\xf1\x47\x90\x04\x05\x03\x20\x22\x07\x23\x09\x07\x07" |
| "\x83\x01\x00\x00\xe2\x00\x0f\x67\x03\x0c\x00\x20\x00\xb8\x2d\x01" |
| "\x1d\x80\x18\x71\x1c\x16\x20\x58\x2c\x25\x00\xa0\x5a\x00\x00\x00" |
| "\x9e\x01\x1d\x00\x72\x51\xd0\x1e\x20\x6e\x28\x55\x00\xa0\x5a\x00" |
| "\x00\x00\x1e\x8c\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\xa0" |
| "\x5a\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc6"; |
| |
| const unsigned char kLP2565A[] = |
| "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00\x22\xF0\x76\x26\x01\x01\x01\x01" |
| "\x02\x12\x01\x03\x80\x34\x21\x78\xEE\xEF\x95\xA3\x54\x4C\x9B\x26" |
| "\x0F\x50\x54\xA5\x6B\x80\x81\x40\x81\x80\x81\x99\x71\x00\xA9\x00" |
| "\xA9\x40\xB3\x00\xD1\x00\x28\x3C\x80\xA0\x70\xB0\x23\x40\x30\x20" |
| "\x36\x00\x07\x44\x21\x00\x00\x1A\x00\x00\x00\xFD\x00\x30\x55\x1E" |
| "\x5E\x11\x00\x0A\x20\x20\x20\x20\x20\x20\x00\x00\x00\xFC\x00\x48" |
| "\x50\x20\x4C\x50\x32\x34\x36\x35\x0A\x20\x20\x20\x00\x00\x00\xFF" |
| "\x00\x43\x4E\x4B\x38\x30\x32\x30\x34\x48\x4D\x0A\x20\x20\x00\xA4"; |
| |
| const unsigned char kLP2565B[] = |
| "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00\x22\xF0\x75\x26\x01\x01\x01\x01" |
| "\x02\x12\x01\x03\x6E\x34\x21\x78\xEE\xEF\x95\xA3\x54\x4C\x9B\x26" |
| "\x0F\x50\x54\xA5\x6B\x80\x81\x40\x71\x00\xA9\x00\xA9\x40\xA9\x4F" |
| "\xB3\x00\xD1\xC0\xD1\x00\x28\x3C\x80\xA0\x70\xB0\x23\x40\x30\x20" |
| "\x36\x00\x07\x44\x21\x00\x00\x1A\x00\x00\x00\xFD\x00\x30\x55\x1E" |
| "\x5E\x15\x00\x0A\x20\x20\x20\x20\x20\x20\x00\x00\x00\xFC\x00\x48" |
| "\x50\x20\x4C\x50\x32\x34\x36\x35\x0A\x20\x20\x20\x00\x00\x00\xFF" |
| "\x00\x43\x4E\x4B\x38\x30\x32\x30\x34\x48\x4D\x0A\x20\x20\x00\x45"; |
| |
| } // namespace |
| |
| TEST(EdidParserX11Test, ParseEDID) { |
| uint16 manufacturer_id = 0; |
| std::string human_readable_name; |
| EXPECT_TRUE(ParseOutputDeviceData( |
| kNormalDisplay, charsize(kNormalDisplay), |
| &manufacturer_id, &human_readable_name)); |
| EXPECT_EQ(0x22f0u, manufacturer_id); |
| EXPECT_EQ("HP ZR30w", human_readable_name); |
| |
| manufacturer_id = 0; |
| human_readable_name.clear(); |
| EXPECT_TRUE(ParseOutputDeviceData( |
| kInternalDisplay, charsize(kInternalDisplay), |
| &manufacturer_id, NULL)); |
| EXPECT_EQ(0x4ca3u, manufacturer_id); |
| EXPECT_EQ("", human_readable_name); |
| |
| // Internal display doesn't have name. |
| EXPECT_TRUE(ParseOutputDeviceData( |
| kInternalDisplay, charsize(kInternalDisplay), |
| NULL, &human_readable_name)); |
| EXPECT_TRUE(human_readable_name.empty()); |
| |
| manufacturer_id = 0; |
| human_readable_name.clear(); |
| EXPECT_TRUE(ParseOutputDeviceData( |
| kOverscanDisplay, charsize(kOverscanDisplay), |
| &manufacturer_id, &human_readable_name)); |
| EXPECT_EQ(0x4c2du, manufacturer_id); |
| EXPECT_EQ("SAMSUNG", human_readable_name); |
| } |
| |
| TEST(EdidParserX11Test, ParseBrokenEDID) { |
| uint16 manufacturer_id = 0; |
| std::string human_readable_name; |
| |
| // length == 0 |
| EXPECT_FALSE(ParseOutputDeviceData( |
| kNormalDisplay, 0, |
| &manufacturer_id, &human_readable_name)); |
| |
| // name is broken. Copying kNormalDisplay and substitute its name data by |
| // some control code. |
| std::string display_data( |
| reinterpret_cast<const char*>(kNormalDisplay), charsize(kNormalDisplay)); |
| |
| // display's name data is embedded in byte 95-107 in this specific example. |
| // Fix here too when the contents of kNormalDisplay is altered. |
| display_data[97] = '\x1b'; |
| EXPECT_FALSE(ParseOutputDeviceData( |
| reinterpret_cast<const unsigned char*>(display_data.data()), |
| display_data.size(), |
| &manufacturer_id, &human_readable_name)); |
| |
| // If |human_readable_name| isn't specified, it skips parsing the name. |
| manufacturer_id = 0; |
| EXPECT_TRUE(ParseOutputDeviceData( |
| reinterpret_cast<const unsigned char*>(display_data.data()), |
| display_data.size(), |
| &manufacturer_id, NULL)); |
| EXPECT_EQ(0x22f0u, manufacturer_id); |
| } |
| |
| TEST(EdidParserX11Test, GetDisplayId) { |
| // EDID of kLP2565A and B are slightly different but actually the same device. |
| int64 id1 = -1; |
| int64 id2 = -1; |
| EXPECT_TRUE(GetDisplayIdFromEDID(kLP2565A, charsize(kLP2565A), 0, &id1)); |
| EXPECT_TRUE(GetDisplayIdFromEDID(kLP2565B, charsize(kLP2565B), 0, &id2)); |
| EXPECT_EQ(id1, id2); |
| EXPECT_NE(-1, id1); |
| } |
| |
| TEST(EdidParserX11Test, GetDisplayIdFromInternal) { |
| int64 id = -1; |
| EXPECT_TRUE(GetDisplayIdFromEDID( |
| kInternalDisplay, charsize(kInternalDisplay), 0, &id)); |
| EXPECT_NE(-1, id); |
| } |
| |
| TEST(EdidParserX11Test, GetDisplayIdFailure) { |
| int64 id = -1; |
| EXPECT_FALSE(GetDisplayIdFromEDID(NULL, 0, 0, &id)); |
| EXPECT_EQ(-1, id); |
| } |
| |
| } // namespace base |