1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
media / midi / usb_midi_input_stream_unittest.cc [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "media/midi/usb_midi_input_stream.h"
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include <vector>
#include "base/strings/stringprintf.h"
#include "base/time/time.h"
#include "media/midi/usb_midi_device.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::TimeTicks;
namespace midi {
namespace {
class TestUsbMidiDevice : public UsbMidiDevice {
public:
TestUsbMidiDevice() = default;
TestUsbMidiDevice(const TestUsbMidiDevice&) = delete;
TestUsbMidiDevice& operator=(const TestUsbMidiDevice&) = delete;
~TestUsbMidiDevice() override = default;
std::vector<uint8_t> GetDescriptors() override {
return std::vector<uint8_t>();
}
std::string GetManufacturer() override { return std::string(); }
std::string GetProductName() override { return std::string(); }
std::string GetDeviceVersion() override { return std::string(); }
void Send(int endpoint_number, const std::vector<uint8_t>& data) override {}
};
class MockDelegate : public UsbMidiInputStream::Delegate {
public:
MockDelegate() = default;
MockDelegate(const MockDelegate&) = delete;
MockDelegate& operator=(const MockDelegate&) = delete;
~MockDelegate() override = default;
void OnReceivedData(size_t jack_index,
const uint8_t* data,
size_t size,
base::TimeTicks time) override {
for (size_t i = 0; i < size; ++i)
received_data_ += base::StringPrintf("0x%02x ", data[i]);
received_data_ += "\n";
}
const std::string& received_data() const { return received_data_; }
private:
std::string received_data_;
};
class UsbMidiInputStreamTest : public ::testing::Test {
public:
UsbMidiInputStreamTest(const UsbMidiInputStreamTest&) = delete;
UsbMidiInputStreamTest& operator=(const UsbMidiInputStreamTest&) = delete;
protected:
UsbMidiInputStreamTest() {
stream_ = std::make_unique<UsbMidiInputStream>(&delegate_);
stream_->Add(UsbMidiJack(&device1_,
84, // jack_id
4, // cable_number
135)); // endpoint_address
stream_->Add(UsbMidiJack(&device2_,
85,
5,
137));
stream_->Add(UsbMidiJack(&device2_,
84,
4,
135));
stream_->Add(UsbMidiJack(&device1_,
85,
5,
135));
}
TestUsbMidiDevice device1_;
TestUsbMidiDevice device2_;
MockDelegate delegate_;
std::unique_ptr<UsbMidiInputStream> stream_;
};
TEST_F(UsbMidiInputStreamTest, UnknownMessage) {
uint8_t data[] = {
0x40, 0xff, 0xff, 0xff, 0x41, 0xff, 0xff, 0xff,
};
stream_->OnReceivedData(&device1_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("", delegate_.received_data());
}
TEST_F(UsbMidiInputStreamTest, SystemCommonMessage) {
uint8_t data[] = {
0x45, 0xf8, 0x00, 0x00, 0x42, 0xf3, 0x22, 0x00, 0x43, 0xf2, 0x33, 0x44,
};
stream_->OnReceivedData(&device1_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("0xf8 \n"
"0xf3 0x22 \n"
"0xf2 0x33 0x44 \n", delegate_.received_data());
}
TEST_F(UsbMidiInputStreamTest, SystemExclusiveMessage) {
uint8_t data[] = {
0x44, 0xf0, 0x11, 0x22, 0x45, 0xf7, 0x00, 0x00,
0x46, 0xf0, 0xf7, 0x00, 0x47, 0xf0, 0x33, 0xf7,
};
stream_->OnReceivedData(&device1_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("0xf0 0x11 0x22 \n"
"0xf7 \n"
"0xf0 0xf7 \n"
"0xf0 0x33 0xf7 \n", delegate_.received_data());
}
TEST_F(UsbMidiInputStreamTest, ChannelMessage) {
uint8_t data[] = {
0x48, 0x80, 0x11, 0x22, 0x49, 0x90, 0x33, 0x44, 0x4a, 0xa0,
0x55, 0x66, 0x4b, 0xb0, 0x77, 0x88, 0x4c, 0xc0, 0x99, 0x00,
0x4d, 0xd0, 0xaa, 0x00, 0x4e, 0xe0, 0xbb, 0xcc,
};
stream_->OnReceivedData(&device1_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("0x80 0x11 0x22 \n"
"0x90 0x33 0x44 \n"
"0xa0 0x55 0x66 \n"
"0xb0 0x77 0x88 \n"
"0xc0 0x99 \n"
"0xd0 0xaa \n"
"0xe0 0xbb 0xcc \n", delegate_.received_data());
}
TEST_F(UsbMidiInputStreamTest, SingleByteMessage) {
uint8_t data[] = {
0x4f, 0xf8, 0x00, 0x00,
};
stream_->OnReceivedData(&device1_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("0xf8 \n", delegate_.received_data());
}
TEST_F(UsbMidiInputStreamTest, DispatchForMultipleCables) {
uint8_t data[] = {
0x4f, 0xf8, 0x00, 0x00, 0x5f, 0xfa, 0x00, 0x00, 0x6f, 0xfb, 0x00, 0x00,
};
stream_->OnReceivedData(&device1_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("0xf8 \n0xfa \n", delegate_.received_data());
}
TEST_F(UsbMidiInputStreamTest, DispatchForDevice2) {
uint8_t data[] = {0x4f, 0xf8, 0x00, 0x00};
stream_->OnReceivedData(&device2_, 7, data, std::size(data), TimeTicks());
EXPECT_EQ("0xf8 \n", delegate_.received_data());
}
} // namespace
} // namespace midi