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-rw-r--r--test/unit-test/test/device/midi2/test_midi2_device.c266
-rw-r--r--test/unit-test/test/host/midi2/test_midi2_host.c101
2 files changed, 367 insertions, 0 deletions
diff --git a/test/unit-test/test/device/midi2/test_midi2_device.c b/test/unit-test/test/device/midi2/test_midi2_device.c
new file mode 100644
index 000000000..1314c2585
--- /dev/null
+++ b/test/unit-test/test/device/midi2/test_midi2_device.c
@@ -0,0 +1,266 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2026 Saulo Verissimo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "unity.h"
+#include "tusb_types.h"
+#include "class/audio/audio.h"
+#include "class/midi/midi.h"
+#include "device/usbd.h"
+
+void setUp(void) {}
+void tearDown(void) {}
+
+//--------------------------------------------------------------------+
+// UMP Word Count: all 16 message types
+//--------------------------------------------------------------------+
+
+void test_ump_word_count_1word_types(void) {
+ uint8_t types[] = {0x0, 0x1, 0x2, 0x6, 0x7};
+ for (int i = 0; i < 5; i++) {
+ TEST_ASSERT_EQUAL(1, midi2_ump_word_count(types[i]));
+ }
+}
+
+void test_ump_word_count_2word_types(void) {
+ uint8_t types[] = {0x3, 0x4, 0x8, 0x9, 0xA};
+ for (int i = 0; i < 5; i++) {
+ TEST_ASSERT_EQUAL(2, midi2_ump_word_count(types[i]));
+ }
+}
+
+void test_ump_word_count_3word_types(void) {
+ TEST_ASSERT_EQUAL(3, midi2_ump_word_count(0xB));
+ TEST_ASSERT_EQUAL(3, midi2_ump_word_count(0xC));
+}
+
+void test_ump_word_count_4word_types(void) {
+ uint8_t types[] = {0x5, 0xD, 0xE, 0xF};
+ for (int i = 0; i < 4; i++) {
+ TEST_ASSERT_EQUAL(4, midi2_ump_word_count(types[i]));
+ }
+}
+
+void test_ump_word_count_covers_all_16(void) {
+ for (uint8_t mt = 0; mt <= 0xF; mt++) {
+ uint8_t wc = midi2_ump_word_count(mt);
+ TEST_ASSERT_TRUE(wc >= 1 && wc <= 4);
+ }
+}
+
+//--------------------------------------------------------------------+
+// CS Endpoint subtypes (defined in midi.h)
+//--------------------------------------------------------------------+
+
+void test_cs_endpoint_subtypes(void) {
+ TEST_ASSERT_EQUAL(0x01, MIDI_CS_ENDPOINT_GENERAL);
+ TEST_ASSERT_EQUAL(0x02, MIDI_CS_ENDPOINT_GENERAL_2_0);
+}
+
+//--------------------------------------------------------------------+
+// Descriptor macro length calculations
+//--------------------------------------------------------------------+
+
+void test_midi1_desc_len(void) {
+ TEST_ASSERT_EQUAL(TUD_MIDI_DESC_HEAD_LEN + TUD_MIDI_DESC_JACK_LEN + TUD_MIDI_DESC_EP_LEN(1) * 2,
+ TUD_MIDI_DESC_LEN);
+}
+
+void test_midi2_alt1_head_len(void) {
+ TEST_ASSERT_EQUAL(16, TUD_MIDI2_DESC_ALT1_HEAD_LEN);
+}
+
+void test_midi2_alt1_ep_len(void) {
+ // EP(7) + CS base(4) + numgtbs
+ TEST_ASSERT_EQUAL(12, TUD_MIDI2_DESC_ALT1_EP_LEN(1));
+ TEST_ASSERT_EQUAL(13, TUD_MIDI2_DESC_ALT1_EP_LEN(2));
+ TEST_ASSERT_EQUAL(18, TUD_MIDI2_DESC_ALT1_EP_LEN(7));
+}
+
+void test_midi2_desc_len(void) {
+ int expected = TUD_MIDI_DESC_LEN + TUD_MIDI2_DESC_ALT1_HEAD_LEN + TUD_MIDI2_DESC_ALT1_EP_LEN(1) * 2;
+ TEST_ASSERT_EQUAL(expected, TUD_MIDI2_DESC_LEN);
+}
+
+void test_midi2_desc_len_greater_than_midi1(void) {
+ TEST_ASSERT_TRUE(TUD_MIDI2_DESC_LEN > TUD_MIDI_DESC_LEN);
+}
+
+//--------------------------------------------------------------------+
+// Descriptor macro byte validation
+//--------------------------------------------------------------------+
+
+void test_midi2_descriptor_bytes(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(0, 0, 0x01, 0x81, 64) };
+
+ TEST_ASSERT_EQUAL(TUD_MIDI2_DESC_LEN, sizeof(desc));
+
+ // First byte: Audio Control Interface descriptor length = 9
+ TEST_ASSERT_EQUAL(9, desc[0]);
+ TEST_ASSERT_EQUAL(TUSB_DESC_INTERFACE, desc[1]);
+ TEST_ASSERT_EQUAL(0, desc[2]);
+
+ // Find Alt Setting 1 by scanning
+ int alt1_offset = -1;
+ int pos = 0;
+ while (pos < (int)sizeof(desc)) {
+ if (desc[pos + 1] == TUSB_DESC_INTERFACE && desc[pos + 3] == 1) {
+ alt1_offset = pos;
+ break;
+ }
+ pos += desc[pos];
+ }
+
+ TEST_ASSERT_TRUE_MESSAGE(alt1_offset >= 0, "Alt Setting 1 interface not found");
+
+ TEST_ASSERT_EQUAL(9, desc[alt1_offset]);
+ TEST_ASSERT_EQUAL(TUSB_DESC_INTERFACE, desc[alt1_offset + 1]);
+ TEST_ASSERT_EQUAL(1, desc[alt1_offset + 2]); // bInterfaceNumber
+ TEST_ASSERT_EQUAL(1, desc[alt1_offset + 3]); // bAlternateSetting
+ TEST_ASSERT_EQUAL(2, desc[alt1_offset + 4]); // bNumEndpoints
+ TEST_ASSERT_EQUAL(TUSB_CLASS_AUDIO, desc[alt1_offset + 5]);
+
+ // MS Header after Alt Setting 1 interface: bcdMSC = 0x0200
+ int ms2_offset = alt1_offset + 9;
+ TEST_ASSERT_EQUAL(7, desc[ms2_offset]);
+ TEST_ASSERT_EQUAL(TUSB_DESC_CS_INTERFACE, desc[ms2_offset + 1]);
+ TEST_ASSERT_EQUAL(MIDI_CS_INTERFACE_HEADER, desc[ms2_offset + 2]);
+ TEST_ASSERT_EQUAL(0x00, desc[ms2_offset + 3]);
+ TEST_ASSERT_EQUAL(0x02, desc[ms2_offset + 4]);
+ // USB-MIDI 2.0 Table 5-2: wTotalLength shall match bLength (= 0x0007)
+ TEST_ASSERT_EQUAL(0x07, desc[ms2_offset + 5]);
+ TEST_ASSERT_EQUAL(0x00, desc[ms2_offset + 6]);
+}
+
+void test_midi2_descriptor_alt1_cs_endpoint_subtype(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(0, 0, 0x01, 0x81, 64) };
+
+ int cs_ep_count = 0;
+ int pos = 0;
+ while (pos < (int)sizeof(desc)) {
+ if (desc[pos + 1] == TUSB_DESC_CS_ENDPOINT &&
+ desc[pos + 2] == MIDI_CS_ENDPOINT_GENERAL_2_0) {
+ cs_ep_count++;
+ TEST_ASSERT_EQUAL(1, desc[pos + 3]);
+ }
+ pos += desc[pos];
+ }
+ TEST_ASSERT_EQUAL(2, cs_ep_count);
+}
+
+void test_midi2_descriptor_has_both_alt_settings(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(0, 0, 0x01, 0x81, 64) };
+
+ int alt0_count = 0;
+ int alt1_count = 0;
+ int pos = 0;
+ while (pos < (int)sizeof(desc)) {
+ if (desc[pos + 1] == TUSB_DESC_INTERFACE) {
+ if (desc[pos + 3] == 0) alt0_count++;
+ if (desc[pos + 3] == 1) alt1_count++;
+ }
+ pos += desc[pos];
+ }
+ TEST_ASSERT_TRUE(alt0_count >= 2);
+ TEST_ASSERT_EQUAL(1, alt1_count);
+}
+
+void test_midi2_descriptor_endpoint_addresses(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(0, 0, 0x02, 0x82, 64) };
+
+ int ep_out_count = 0;
+ int ep_in_count = 0;
+ int pos = 0;
+ while (pos < (int)sizeof(desc)) {
+ if (desc[pos + 1] == TUSB_DESC_ENDPOINT) {
+ uint8_t ep_addr = desc[pos + 2];
+ if (ep_addr == 0x02) ep_out_count++;
+ if (ep_addr == 0x82) ep_in_count++;
+ TEST_ASSERT_EQUAL(TUSB_XFER_BULK, desc[pos + 3]);
+ TEST_ASSERT_EQUAL(64, desc[pos + 4]);
+ TEST_ASSERT_EQUAL(0, desc[pos + 5]);
+ }
+ pos += desc[pos];
+ }
+ TEST_ASSERT_EQUAL(2, ep_out_count);
+ TEST_ASSERT_EQUAL(2, ep_in_count);
+}
+
+void test_midi2_descriptor_nonzero_itfnum(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(2, 0, 0x03, 0x83, 64) };
+
+ TEST_ASSERT_EQUAL(2, desc[2]);
+
+ int pos = desc[0];
+ while (pos < (int)sizeof(desc)) {
+ if (desc[pos + 1] == TUSB_DESC_INTERFACE) {
+ TEST_ASSERT_EQUAL(3, desc[pos + 2]);
+ break;
+ }
+ pos += desc[pos];
+ }
+}
+
+//--------------------------------------------------------------------+
+// Descriptor traversal integrity
+//--------------------------------------------------------------------+
+
+void test_midi2_descriptor_no_zero_length(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(0, 0, 0x01, 0x81, 64) };
+
+ int pos = 0;
+ int desc_count = 0;
+ while (pos < (int)sizeof(desc)) {
+ TEST_ASSERT_TRUE_MESSAGE(desc[pos] > 0, "Zero-length descriptor found");
+ TEST_ASSERT_TRUE_MESSAGE(desc[pos] <= (int)sizeof(desc) - pos,
+ "Descriptor length exceeds remaining bytes");
+ pos += desc[pos];
+ desc_count++;
+ }
+ TEST_ASSERT_EQUAL((int)sizeof(desc), pos);
+ TEST_ASSERT_TRUE(desc_count > 5);
+}
+
+void test_midi2_descriptor_valid_types(void) {
+ uint8_t desc[] = { TUD_MIDI2_DESCRIPTOR(0, 0, 0x01, 0x81, 64) };
+
+ int pos = 0;
+ while (pos < (int)sizeof(desc)) {
+ uint8_t dtype = desc[pos + 1];
+ bool valid = (dtype == TUSB_DESC_INTERFACE ||
+ dtype == TUSB_DESC_ENDPOINT ||
+ dtype == TUSB_DESC_CS_INTERFACE ||
+ dtype == TUSB_DESC_CS_ENDPOINT);
+ TEST_ASSERT_TRUE_MESSAGE(valid, "Invalid descriptor type found");
+ pos += desc[pos];
+ }
+}
+
+//--------------------------------------------------------------------+
+// Edge cases
+//--------------------------------------------------------------------+
+
+void test_ump_word_count_with_values_beyond_0xf(void) {
+ TEST_ASSERT_EQUAL(4, midi2_ump_word_count(0x10));
+ TEST_ASSERT_EQUAL(4, midi2_ump_word_count(0xFF));
+}
diff --git a/test/unit-test/test/host/midi2/test_midi2_host.c b/test/unit-test/test/host/midi2/test_midi2_host.c
new file mode 100644
index 000000000..8ad77c14e
--- /dev/null
+++ b/test/unit-test/test/host/midi2/test_midi2_host.c
@@ -0,0 +1,101 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2026 Saulo Verissimo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "unity.h"
+#include "tusb_option.h"
+#include "class/midi/midi.h"
+#include "class/midi/midi2_host.h"
+
+void setUp(void) {}
+void tearDown(void) {}
+
+//--------------------------------------------------------------------+
+// UMP Word Count (shared helper, defined in midi.h)
+//--------------------------------------------------------------------+
+
+void test_midi2_host_ump_word_count_1word(void) {
+ uint8_t types[] = {0x0, 0x1, 0x2, 0x6, 0x7};
+ for (int i = 0; i < 5; i++) {
+ TEST_ASSERT_EQUAL(1, midi2_ump_word_count(types[i]));
+ }
+}
+
+void test_midi2_host_ump_word_count_2word(void) {
+ uint8_t types[] = {0x3, 0x4, 0x8, 0x9, 0xA};
+ for (int i = 0; i < 5; i++) {
+ TEST_ASSERT_EQUAL(2, midi2_ump_word_count(types[i]));
+ }
+}
+
+void test_midi2_host_ump_word_count_4word(void) {
+ uint8_t types[] = {0x5, 0xD, 0xE, 0xF};
+ for (int i = 0; i < 4; i++) {
+ TEST_ASSERT_EQUAL(4, midi2_ump_word_count(types[i]));
+ }
+}
+
+//--------------------------------------------------------------------+
+// Callback struct field validation
+//--------------------------------------------------------------------+
+
+void test_midi2_descriptor_cb_struct_fields(void) {
+ tuh_midi2_descriptor_cb_t desc = {
+ .protocol_version = 1,
+ .bcdMSC_hi = 0x02,
+ .bcdMSC_lo = 0x00,
+ .rx_cable_count = 1,
+ .tx_cable_count = 1
+ };
+ TEST_ASSERT_EQUAL(1, desc.protocol_version);
+ TEST_ASSERT_EQUAL(0x02, desc.bcdMSC_hi);
+ TEST_ASSERT_EQUAL(0x00, desc.bcdMSC_lo);
+ TEST_ASSERT_EQUAL(1, desc.rx_cable_count);
+ TEST_ASSERT_EQUAL(1, desc.tx_cable_count);
+}
+
+void test_midi2_mount_cb_struct_fields(void) {
+ tuh_midi2_mount_cb_t mount = {
+ .daddr = 1,
+ .bInterfaceNumber = 0,
+ .protocol_version = 1,
+ .alt_setting_active = 1,
+ .rx_cable_count = 2,
+ .tx_cable_count = 2
+ };
+ TEST_ASSERT_EQUAL(1, mount.daddr);
+ TEST_ASSERT_EQUAL(0, mount.bInterfaceNumber);
+ TEST_ASSERT_EQUAL(1, mount.protocol_version);
+ TEST_ASSERT_EQUAL(1, mount.alt_setting_active);
+ TEST_ASSERT_EQUAL(2, mount.rx_cable_count);
+ TEST_ASSERT_EQUAL(2, mount.tx_cable_count);
+}
+
+//--------------------------------------------------------------------+
+// CS Endpoint subtypes
+//--------------------------------------------------------------------+
+
+void test_midi2_host_cs_endpoint_subtypes(void) {
+ TEST_ASSERT_EQUAL(0x01, MIDI_CS_ENDPOINT_GENERAL);
+ TEST_ASSERT_EQUAL(0x02, MIDI_CS_ENDPOINT_GENERAL_2_0);
+}
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-17 16:49:32 +0000