Index: media/midi/usb_midi_descriptor_parser_unittest.cc |
diff --git a/media/midi/usb_midi_descriptor_parser_unittest.cc b/media/midi/usb_midi_descriptor_parser_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4961e5368d924fafcb2154781c4ec4334a34e179 |
--- /dev/null |
+++ b/media/midi/usb_midi_descriptor_parser_unittest.cc |
@@ -0,0 +1,101 @@ |
+// Copyright 2013 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::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::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::IN, jacks[2].direction()); |
+ EXPECT_EQ(NULL, jacks[2].device); |
+} |
+ |
+} // namespace |
+ |
+} // namespace media |