1 // Copyright 2013 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/events/keycodes/dom4/keycode_converter.h" 6 7 #include <map> 8 9 #include "base/basictypes.h" 10 #include "testing/gtest/include/gtest/gtest.h" 11 12 using ui::KeycodeConverter; 13 14 namespace { 15 16 #if defined(OS_WIN) 17 const size_t kExpectedMappedKeyCount = 138; 18 #elif defined(OS_LINUX) 19 const size_t kExpectedMappedKeyCount = 145; 20 #elif defined(OS_MACOSX) 21 const size_t kExpectedMappedKeyCount = 118; 22 #else 23 const size_t kExpectedMappedKeyCount = 0; 24 #endif 25 26 const uint32_t kUsbNonExistentKeycode = 0xffffff; 27 const uint32_t kUsbUsBackslash = 0x070031; 28 const uint32_t kUsbNonUsHash = 0x070032; 29 30 TEST(UsbKeycodeMap, Basic) { 31 ui::KeycodeConverter* key_converter = ui::KeycodeConverter::GetInstance(); 32 // Verify that the first element in the table is the "invalid" code. 33 const ui::KeycodeMapEntry* keycode_map = 34 key_converter->GetKeycodeMapForTest(); 35 EXPECT_EQ(key_converter->InvalidUsbKeycode(), keycode_map[0].usb_keycode); 36 EXPECT_EQ(key_converter->InvalidNativeKeycode(), 37 keycode_map[0].native_keycode); 38 EXPECT_STREQ(key_converter->InvalidKeyboardEventCode(), "Unidentified"); 39 EXPECT_EQ(key_converter->InvalidNativeKeycode(), 40 key_converter->CodeToNativeKeycode("Unidentified")); 41 42 // Verify that there are no duplicate entries in the mapping. 43 std::map<uint32_t, uint16_t> usb_to_native; 44 std::map<uint16_t, uint32_t> native_to_usb; 45 size_t numEntries = key_converter->NumKeycodeMapEntriesForTest(); 46 for (size_t i = 0; i < numEntries; ++i) { 47 const ui::KeycodeMapEntry* entry = &keycode_map[i]; 48 // Don't test keys with no native keycode mapping on this platform. 49 if (entry->native_keycode == key_converter->InvalidNativeKeycode()) 50 continue; 51 52 // Verify UsbKeycodeToNativeKeycode works for this key. 53 EXPECT_EQ(entry->native_keycode, 54 key_converter->UsbKeycodeToNativeKeycode(entry->usb_keycode)); 55 56 // Verify CodeToNativeKeycode and NativeKeycodeToCode work correctly. 57 if (entry->code) { 58 EXPECT_EQ(entry->native_keycode, 59 key_converter->CodeToNativeKeycode(entry->code)); 60 EXPECT_STREQ(entry->code, 61 key_converter->NativeKeycodeToCode(entry->native_keycode)); 62 } 63 else { 64 EXPECT_EQ(key_converter->InvalidNativeKeycode(), 65 key_converter->CodeToNativeKeycode(entry->code)); 66 } 67 68 // Verify that the USB or native codes aren't duplicated. 69 EXPECT_EQ(0U, usb_to_native.count(entry->usb_keycode)) 70 << " duplicate of USB code 0x" << std::hex << std::setfill('0') 71 << std::setw(6) << entry->usb_keycode 72 << " to native 0x" 73 << std::setw(4) << entry->native_keycode 74 << " (previous was 0x" 75 << std::setw(4) << usb_to_native[entry->usb_keycode] 76 << ")"; 77 usb_to_native[entry->usb_keycode] = entry->native_keycode; 78 EXPECT_EQ(0U, native_to_usb.count(entry->native_keycode)) 79 << " duplicate of native code 0x" << std::hex << std::setfill('0') 80 << std::setw(4) << entry->native_keycode 81 << " to USB 0x" 82 << std::setw(6) << entry->usb_keycode 83 << " (previous was 0x" 84 << std::setw(6) << native_to_usb[entry->native_keycode] 85 << ")"; 86 native_to_usb[entry->native_keycode] = entry->usb_keycode; 87 } 88 ASSERT_EQ(usb_to_native.size(), native_to_usb.size()); 89 90 // Verify that the number of mapped keys is what we expect, i.e. we haven't 91 // lost any, and if we've added some then the expectation has been updated. 92 EXPECT_EQ(kExpectedMappedKeyCount, usb_to_native.size()); 93 } 94 95 TEST(UsbKeycodeMap, NonExistent) { 96 // Verify that UsbKeycodeToNativeKeycode works for a non-existent USB keycode. 97 ui::KeycodeConverter* key_converter = ui::KeycodeConverter::GetInstance(); 98 EXPECT_EQ(key_converter->InvalidNativeKeycode(), 99 key_converter->UsbKeycodeToNativeKeycode(kUsbNonExistentKeycode)); 100 } 101 102 TEST(UsbKeycodeMap, UsBackslashIsNonUsHash) { 103 // Verify that UsbKeycodeToNativeKeycode treats the non-US "hash" key 104 // as equivalent to the US "backslash" key. 105 ui::KeycodeConverter* key_converter = ui::KeycodeConverter::GetInstance(); 106 EXPECT_EQ(key_converter->UsbKeycodeToNativeKeycode(kUsbUsBackslash), 107 key_converter->UsbKeycodeToNativeKeycode(kUsbNonUsHash)); 108 } 109 110 } // namespace 111
