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| 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 "content/browser/renderer_host/media/midi_host.h" | |
| 6 | |
| 7 #include "testing/gtest/include/gtest/gtest.h" | |
| 8 | |
| 9 namespace content { | |
| 10 namespace { | |
| 11 | |
| 12 const uint8 kGMOn[] = { 0xf0, 0x7e, 0x7f, 0x09, 0x01, 0xf7 }; | |
| 13 const uint8 kGSOn[] = { | |
| 14 0xf0, 0x41, 0x10, 0x42, 0x12, 0x40, 0x00, 0x7f, 0x00, 0x41, 0xf7, | |
| 15 }; | |
| 16 const uint8 kNoteOn[] = { 0x90, 0x3c, 0x7f }; | |
| 17 const uint8 kNoteOnWithRunningStatus[] = { | |
| 18 0x90, 0x3c, 0x7f, 0x3c, 0x7f, 0x3c, 0x7f, | |
| 19 }; | |
| 20 const uint8 kChannelPressure[] = { 0xd0, 0x01 }; | |
| 21 const uint8 kChannelPressureWithRunningStatus[] = { | |
| 22 0xd0, 0x01, 0x01, 0x01, | |
| 23 }; | |
| 24 const uint8 kTimingClock[] = { 0xf8 }; | |
| 25 const uint8 kBrokenData1[] = { 0x90 }; | |
| 26 const uint8 kBrokenData2[] = { 0xf7 }; | |
| 27 const uint8 kBrokenData3[] = { 0xf2, 0x00 }; | |
| 28 const uint8 kDataByte0[] = { 0x00 }; | |
| 29 | |
| 30 template <typename T, size_t N> | |
| 31 const std::vector<T> AsVector(const T(&data)[N]) { | |
| 32 std::vector<T> buffer; | |
| 33 buffer.insert(buffer.end(), data, data + N); | |
| 34 return buffer; | |
| 35 } | |
| 36 | |
| 37 template <typename T, size_t N> | |
| 38 void PushToVector(const T(&data)[N], std::vector<T>* buffer) { | |
| 39 buffer->insert(buffer->end(), data, data + N); | |
| 40 } | |
| 41 | |
| 42 } // namespace | |
| 43 | |
| 44 TEST(MIDIHostTest, IsValidWebMIDIData) { | |
| 45 // Test single event scenario | |
| 46 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(AsVector(kGMOn))); | |
| 47 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(AsVector(kGSOn))); | |
| 48 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(AsVector(kNoteOn))); | |
| 49 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(AsVector(kChannelPressure))); | |
| 50 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(AsVector(kTimingClock))); | |
| 51 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData(AsVector(kBrokenData1))); | |
| 52 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData(AsVector(kBrokenData2))); | |
| 53 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData(AsVector(kBrokenData3))); | |
| 54 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData(AsVector(kDataByte0))); | |
| 55 | |
| 56 // MIDI running status should be disallowed | |
| 57 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData( | |
| 58 AsVector(kNoteOnWithRunningStatus))); | |
| 59 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData( | |
| 60 AsVector(kChannelPressureWithRunningStatus))); | |
| 61 | |
| 62 // Multiple messages are allowed as long as each of them is complete. | |
| 63 { | |
| 64 std::vector<uint8> buffer; | |
| 65 PushToVector(kGMOn, &buffer); | |
| 66 PushToVector(kNoteOn, &buffer); | |
| 67 PushToVector(kGSOn, &buffer); | |
| 68 PushToVector(kTimingClock, &buffer); | |
| 69 PushToVector(kNoteOn, &buffer); | |
| 70 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(buffer)); | |
| 71 PushToVector(kBrokenData1, &buffer); | |
| 72 EXPECT_FALSE(MIDIHost::IsValidWebMIDIData(buffer)); | |
| 73 } | |
| 74 | |
| 75 // MIDI realtime message can be placed at any position. | |
| 76 { | |
| 77 const uint8 kNoteOnWithRealTimeClock[] = { | |
| 78 0x90, 0xf8, 0x3c, 0x7f, 0x90, 0xf8, 0x3c, 0xf8, 0x7f, 0xf8, | |
| 79 }; | |
| 80 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData( | |
| 81 AsVector(kNoteOnWithRealTimeClock))); | |
| 82 | |
| 83 const uint8 kGMOnWithRealTimeClock[] = { | |
| 84 0xf0, 0xf8, 0x7e, 0x7f, 0x09, 0x01, 0xf8, 0xf7, | |
| 85 }; | |
| 86 EXPECT_TRUE(MIDIHost::IsValidWebMIDIData(AsVector(kGMOnWithRealTimeClock))); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 } // namespace conent | |
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Chromium Code Reviews
Issue 93583002:
Revert 237558 "Use MIDIMessageQueue/IsValidWebMIDIData for MIDI ..." (Closed)
Base URL: svn://svn.chromium.org/chrome/