| // Copyright 2015 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/strings/utf_string_conversions.h" |
| #include "device/usb/usb_descriptors.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace device { |
| |
| namespace { |
| |
| class UsbDescriptorsTest : public ::testing::Test {}; |
| |
| TEST_F(UsbDescriptorsTest, StringDescriptor) { |
| static const uint8_t kBuffer[] = {0x1a, 0x03, 'H', 0, 'e', 0, 'l', 0, 'l', 0, |
| 'o', 0, ' ', 0, 'w', 0, 'o', 0, 'r', 0, |
| 'l', 0, 'd', 0, '!', 0}; |
| base::string16 string; |
| ASSERT_TRUE(ParseUsbStringDescriptor( |
| std::vector<uint8_t>(kBuffer, kBuffer + sizeof(kBuffer)), &string)); |
| EXPECT_EQ(base::ASCIIToUTF16("Hello world!"), string); |
| } |
| |
| TEST_F(UsbDescriptorsTest, ShortStringDescriptorHeader) { |
| // The buffer is just too darn short. |
| static const uint8_t kBuffer[] = {0x01}; |
| base::string16 string; |
| ASSERT_FALSE(ParseUsbStringDescriptor( |
| std::vector<uint8_t>(kBuffer, kBuffer + sizeof(kBuffer)), &string)); |
| } |
| |
| TEST_F(UsbDescriptorsTest, ShortStringDescriptor) { |
| // The buffer is just too darn short. |
| static const uint8_t kBuffer[] = {0x01, 0x03}; |
| base::string16 string; |
| ASSERT_FALSE(ParseUsbStringDescriptor( |
| std::vector<uint8_t>(kBuffer, kBuffer + sizeof(kBuffer)), &string)); |
| } |
| |
| TEST_F(UsbDescriptorsTest, OddLengthStringDescriptor) { |
| // There's an extra byte at the end of the string. |
| static const uint8_t kBuffer[] = {0x0d, 0x03, 'H', 0, 'e', 0, 'l', |
| 0, 'l', 0, 'o', 0, '!'}; |
| base::string16 string; |
| ASSERT_TRUE(ParseUsbStringDescriptor( |
| std::vector<uint8_t>(kBuffer, kBuffer + sizeof(kBuffer)), &string)); |
| EXPECT_EQ(base::ASCIIToUTF16("Hello"), string); |
| } |
| |
| TEST_F(UsbDescriptorsTest, EmptyStringDescriptor) { |
| // The string is empty. |
| static const uint8_t kBuffer[] = {0x02, 0x03}; |
| base::string16 string; |
| ASSERT_TRUE(ParseUsbStringDescriptor( |
| std::vector<uint8_t>(kBuffer, kBuffer + sizeof(kBuffer)), &string)); |
| EXPECT_EQ(base::string16(), string); |
| } |
| |
| TEST_F(UsbDescriptorsTest, OneByteStringDescriptor) { |
| // The string is only one byte. |
| static const uint8_t kBuffer[] = {0x03, 0x03, '?'}; |
| base::string16 string; |
| ASSERT_TRUE(ParseUsbStringDescriptor( |
| std::vector<uint8_t>(kBuffer, kBuffer + sizeof(kBuffer)), &string)); |
| EXPECT_EQ(base::string16(), string); |
| } |
| |
| } // namespace |
| |
| } // namespace device |