diff options
Diffstat (limited to 'chromium/media/midi/usb_midi_descriptor_parser_unittest.cc')
-rw-r--r-- | chromium/media/midi/usb_midi_descriptor_parser_unittest.cc | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/chromium/media/midi/usb_midi_descriptor_parser_unittest.cc b/chromium/media/midi/usb_midi_descriptor_parser_unittest.cc new file mode 100644 index 00000000000..4e243d15b72 --- /dev/null +++ b/chromium/media/midi/usb_midi_descriptor_parser_unittest.cc @@ -0,0 +1,101 @@ +// Copyright 2014 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 "media/midi/usb_midi_descriptor_parser.h" + +#include "testing/gtest/include/gtest/gtest.h" + +namespace media { + +namespace { + +TEST(UsbMidiDescriptorParserTest, ParseEmpty) { + UsbMidiDescriptorParser parser; + std::vector<UsbMidiJack> jacks; + EXPECT_TRUE(parser.Parse(NULL, NULL, 0, &jacks)); + EXPECT_TRUE(jacks.empty()); +} + +TEST(UsbMidiDescriptorParserTest, InvalidSize) { + UsbMidiDescriptorParser parser; + std::vector<UsbMidiJack> jacks; + uint8 data[] = {0x04}; + EXPECT_FALSE(parser.Parse(NULL, data, arraysize(data), &jacks)); + EXPECT_TRUE(jacks.empty()); +} + +TEST(UsbMidiDescriptorParserTest, NonExistingJackIsAssociated) { + UsbMidiDescriptorParser parser; + std::vector<UsbMidiJack> jacks; + // Jack id=1 is found in a CS_ENDPOINT descriptor, but there is no definition + // for the jack. + uint8 data[] = { + 0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x03, 0x00, 0x00, 0x07, + 0x24, 0x01, 0x00, 0x01, 0x07, 0x00, 0x05, 0x25, 0x01, 0x01, + 0x01, + }; + EXPECT_FALSE(parser.Parse(NULL, data, arraysize(data), &jacks)); + EXPECT_TRUE(jacks.empty()); +} + +TEST(UsbMidiDescriptorParserTest, + JacksShouldBeIgnoredWhenParserIsNotParsingMidiInterface) { + UsbMidiDescriptorParser parser; + std::vector<UsbMidiJack> jacks; + // a NON-MIDI INTERFACE descriptor followed by ENDPOINT and CS_ENDPOINT + // descriptors (Compare with the previous test case). + uint8 data[] = { + 0x09, 0x04, 0x01, 0x00, 0x02, 0x01, 0x02, 0x00, 0x00, 0x07, + 0x24, 0x01, 0x00, 0x01, 0x07, 0x00, 0x05, 0x25, 0x01, 0x01, + 0x01, + }; + EXPECT_TRUE(parser.Parse(NULL, data, arraysize(data), &jacks)); + EXPECT_TRUE(jacks.empty()); +} + +TEST(UsbMidiDescriptorParserTest, Parse) { + UsbMidiDescriptorParser parser; + std::vector<UsbMidiJack> jacks; + // A complete device descriptor. + uint8 data[] = { + 0x12, 0x01, 0x10, 0x01, 0x00, 0x00, 0x00, 0x08, 0x86, 0x1a, + 0x2d, 0x75, 0x54, 0x02, 0x00, 0x02, 0x00, 0x01, 0x09, 0x02, + 0x75, 0x00, 0x02, 0x01, 0x00, 0x80, 0x30, 0x09, 0x04, 0x00, + 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x09, 0x24, 0x01, 0x00, + 0x01, 0x09, 0x00, 0x01, 0x01, 0x09, 0x04, 0x01, 0x00, 0x02, + 0x01, 0x03, 0x00, 0x00, 0x07, 0x24, 0x01, 0x00, 0x01, 0x51, + 0x00, 0x06, 0x24, 0x02, 0x01, 0x02, 0x00, 0x06, 0x24, 0x02, + 0x01, 0x03, 0x00, 0x06, 0x24, 0x02, 0x02, 0x06, 0x00, 0x09, + 0x24, 0x03, 0x01, 0x07, 0x01, 0x06, 0x01, 0x00, 0x09, 0x24, + 0x03, 0x02, 0x04, 0x01, 0x02, 0x01, 0x00, 0x09, 0x24, 0x03, + 0x02, 0x05, 0x01, 0x03, 0x01, 0x00, 0x09, 0x05, 0x02, 0x02, + 0x20, 0x00, 0x00, 0x00, 0x00, 0x06, 0x25, 0x01, 0x02, 0x02, + 0x03, 0x09, 0x05, 0x82, 0x02, 0x20, 0x00, 0x00, 0x00, 0x00, + 0x05, 0x25, 0x01, 0x01, 0x07, + }; + EXPECT_TRUE(parser.Parse(NULL, data, arraysize(data), &jacks)); + ASSERT_EQ(3u, jacks.size()); + + EXPECT_EQ(2u, jacks[0].jack_id); + EXPECT_EQ(0u, jacks[0].cable_number); + EXPECT_EQ(2u, jacks[0].endpoint_number()); + EXPECT_EQ(UsbMidiJack::DIRECTION_OUT, jacks[0].direction()); + EXPECT_EQ(NULL, jacks[0].device); + + EXPECT_EQ(3u, jacks[1].jack_id); + EXPECT_EQ(1u, jacks[1].cable_number); + EXPECT_EQ(2u, jacks[1].endpoint_number()); + EXPECT_EQ(UsbMidiJack::DIRECTION_OUT, jacks[1].direction()); + EXPECT_EQ(NULL, jacks[1].device); + + EXPECT_EQ(7u, jacks[2].jack_id); + EXPECT_EQ(0u, jacks[2].cable_number); + EXPECT_EQ(2u, jacks[2].endpoint_number()); + EXPECT_EQ(UsbMidiJack::DIRECTION_IN, jacks[2].direction()); + EXPECT_EQ(NULL, jacks[2].device); +} + +} // namespace + +} // namespace media |