Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2014 Google, Inc. |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
| 19 | #include <gtest/gtest.h> |
| 20 | |
Zach Johnson | 1e0ede7 | 2014-08-27 16:30:29 -0700 | [diff] [blame] | 21 | #include "AllocationTestHarness.h" |
| 22 | |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 23 | extern "C" { |
| 24 | #include <stdint.h> |
| 25 | #include <sys/types.h> |
| 26 | #include <sys/socket.h> |
| 27 | #include <unistd.h> |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 28 | |
| 29 | #include "hci_hal.h" |
| 30 | #include "osi.h" |
| 31 | #include "semaphore.h" |
| 32 | #include "test_stubs.h" |
| 33 | #include "vendor.h" |
| 34 | } |
| 35 | |
| 36 | DECLARE_TEST_MODES( |
| 37 | init, |
| 38 | open, |
| 39 | close_fn, |
| 40 | transmit, |
| 41 | read_synchronous, |
| 42 | read_async_reentry |
| 43 | ); |
| 44 | |
| 45 | static char sample_data1[100] = "A point is that which has no part."; |
| 46 | static char sample_data2[100] = "A line is breadthless length."; |
| 47 | static char sample_data3[100] = "The ends of a line are points."; |
| 48 | static char acl_data[100] = "A straight line is a line which lies evenly with the points on itself."; |
| 49 | static char event_data[100] = "The edges of a surface are lines."; |
| 50 | |
Zach Johnson | bf8193b | 2014-09-08 09:56:35 -0700 | [diff] [blame] | 51 | static const hci_hal_t *hal; |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 52 | static int command_out_fd; |
| 53 | static int acl_out_fd; |
| 54 | static int acl_in_fd; |
| 55 | static int event_in_fd; |
| 56 | static int reentry_i = 0; |
| 57 | |
| 58 | static semaphore_t *done; |
| 59 | static semaphore_t *reentry_semaphore; |
| 60 | |
| 61 | static void expect_packet_synchronous(serial_data_type_t type, char *packet_data) { |
| 62 | int length = strlen(packet_data); |
| 63 | for (int i = 0; i < length; i++) { |
Zach Johnson | bb170c1 | 2014-08-21 21:00:43 -0700 | [diff] [blame] | 64 | uint8_t byte; |
| 65 | EXPECT_EQ((size_t)1, hal->read_data(type, &byte, 1, true)); |
| 66 | EXPECT_EQ(packet_data[i], byte); |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | hal->packet_finished(type); |
| 70 | } |
| 71 | |
| 72 | STUB_FUNCTION(int, vendor_send_command, (vendor_opcode_t opcode, void *param)) |
| 73 | DURING(open) AT_CALL(0) { |
| 74 | EXPECT_EQ(VENDOR_OPEN_USERIAL, opcode); |
| 75 | ((int *)param)[CH_CMD] = command_out_fd; |
| 76 | ((int *)param)[CH_ACL_OUT] = acl_out_fd; |
| 77 | ((int *)param)[CH_ACL_IN] = acl_in_fd; |
| 78 | ((int *)param)[CH_EVT] = event_in_fd; |
| 79 | return 4; |
| 80 | } |
| 81 | |
| 82 | DURING(close_fn) AT_CALL(0) { |
| 83 | EXPECT_EQ(VENDOR_CLOSE_USERIAL, opcode); |
| 84 | return 0; |
| 85 | } |
| 86 | |
| 87 | UNEXPECTED_CALL; |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | STUB_FUNCTION(void, data_ready_callback, (serial_data_type_t type)) |
| 92 | DURING(read_synchronous) { |
| 93 | AT_CALL(0) { |
| 94 | EXPECT_EQ(DATA_TYPE_ACL, type); |
| 95 | expect_packet_synchronous(type, acl_data); |
| 96 | semaphore_post(done); |
| 97 | return; |
| 98 | } |
| 99 | AT_CALL(1) { |
| 100 | EXPECT_EQ(DATA_TYPE_EVENT, type); |
| 101 | expect_packet_synchronous(type, event_data); |
| 102 | semaphore_post(done); |
| 103 | return; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | DURING(read_async_reentry) { |
| 108 | EXPECT_EQ(DATA_TYPE_ACL, type); |
| 109 | |
Zach Johnson | bb170c1 | 2014-08-21 21:00:43 -0700 | [diff] [blame] | 110 | uint8_t byte; |
| 111 | size_t bytes_read; |
| 112 | while ((bytes_read = hal->read_data(type, &byte, 1, false)) != 0) { |
| 113 | EXPECT_EQ(sample_data3[reentry_i], byte); |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 114 | semaphore_post(reentry_semaphore); |
| 115 | reentry_i++; |
| 116 | if (reentry_i == (int)strlen(sample_data3)) { |
| 117 | hal->packet_finished(type); |
| 118 | return; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | return; |
| 123 | } |
| 124 | |
| 125 | UNEXPECTED_CALL; |
| 126 | } |
| 127 | |
| 128 | static void reset_for(TEST_MODES_T next) { |
| 129 | RESET_CALL_COUNT(vendor_send_command); |
| 130 | RESET_CALL_COUNT(data_ready_callback); |
| 131 | CURRENT_TEST_MODE = next; |
| 132 | } |
| 133 | |
Zach Johnson | 1e0ede7 | 2014-08-27 16:30:29 -0700 | [diff] [blame] | 134 | class HciHalMctTest : public AllocationTestHarness { |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 135 | protected: |
| 136 | virtual void SetUp() { |
Zach Johnson | 1e0ede7 | 2014-08-27 16:30:29 -0700 | [diff] [blame] | 137 | AllocationTestHarness::SetUp(); |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 138 | hal = hci_hal_mct_get_test_interface(&vendor); |
| 139 | vendor.send_command = vendor_send_command; |
| 140 | callbacks.data_ready = data_ready_callback; |
| 141 | |
| 142 | socketpair(AF_LOCAL, SOCK_STREAM, 0, command_sockfd); |
| 143 | socketpair(AF_LOCAL, SOCK_STREAM, 0, event_sockfd); |
| 144 | socketpair(AF_LOCAL, SOCK_STREAM, 0, acl_in_sockfd); |
| 145 | socketpair(AF_LOCAL, SOCK_STREAM, 0, acl_out_sockfd); |
| 146 | command_out_fd = command_sockfd[0]; |
| 147 | acl_out_fd = acl_out_sockfd[0]; |
| 148 | acl_in_fd = acl_in_sockfd[0]; |
| 149 | event_in_fd = event_sockfd[0]; |
| 150 | |
| 151 | done = semaphore_new(0); |
| 152 | thread = thread_new("hal_test"); |
| 153 | |
| 154 | reset_for(init); |
| 155 | EXPECT_TRUE(hal->init(&callbacks, thread)); |
| 156 | |
| 157 | reset_for(open); |
| 158 | EXPECT_TRUE(hal->open()); |
| 159 | EXPECT_CALL_COUNT(vendor_send_command, 1); |
| 160 | } |
| 161 | |
| 162 | virtual void TearDown() { |
| 163 | reset_for(close_fn); |
| 164 | hal->close(); |
| 165 | EXPECT_CALL_COUNT(vendor_send_command, 1); |
| 166 | |
| 167 | semaphore_free(done); |
| 168 | thread_free(thread); |
Zach Johnson | 1e0ede7 | 2014-08-27 16:30:29 -0700 | [diff] [blame] | 169 | AllocationTestHarness::TearDown(); |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | int command_sockfd[2]; |
| 173 | int event_sockfd[2]; |
| 174 | int acl_in_sockfd[2]; |
| 175 | int acl_out_sockfd[2]; |
Zach Johnson | bf8193b | 2014-09-08 09:56:35 -0700 | [diff] [blame] | 176 | vendor_t vendor; |
Zach Johnson | b7ddf13 | 2014-08-20 23:12:33 -0700 | [diff] [blame] | 177 | thread_t *thread; |
| 178 | hci_hal_callbacks_t callbacks; |
| 179 | }; |
| 180 | |
| 181 | static void expect_socket_data(int fd, char *data) { |
| 182 | int length = strlen(data); |
| 183 | int i; |
| 184 | |
| 185 | for (i = 0; i < length; i++) { |
| 186 | fd_set read_fds; |
| 187 | FD_ZERO(&read_fds); |
| 188 | FD_SET(fd, &read_fds); |
| 189 | select(fd + 1, &read_fds, NULL, NULL, NULL); |
| 190 | |
| 191 | char byte; |
| 192 | read(fd, &byte, 1); |
| 193 | |
| 194 | EXPECT_EQ(data[i], byte); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | static void write_packet(int fd, char *data) { |
| 199 | write(fd, data, strlen(data)); |
| 200 | } |
| 201 | |
| 202 | static void write_packet_reentry(int fd, char *data) { |
| 203 | int length = strlen(data); |
| 204 | for (int i = 0; i < length; i++) { |
| 205 | write(fd, &data[i], 1); |
| 206 | semaphore_wait(reentry_semaphore); |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | TEST_F(HciHalMctTest, test_transmit) { |
| 211 | reset_for(transmit); |
| 212 | |
| 213 | // Send a command packet |
| 214 | hal->transmit_data(DATA_TYPE_COMMAND, (uint8_t *)(sample_data1), strlen(sample_data1)); |
| 215 | expect_socket_data(command_sockfd[1], sample_data1); |
| 216 | |
| 217 | // Send an acl packet |
| 218 | hal->transmit_data(DATA_TYPE_ACL, (uint8_t *)(sample_data2), strlen(sample_data2)); |
| 219 | expect_socket_data(acl_out_sockfd[1], sample_data2); |
| 220 | } |
| 221 | |
| 222 | TEST_F(HciHalMctTest, test_read_synchronous) { |
| 223 | reset_for(read_synchronous); |
| 224 | |
| 225 | write_packet(acl_in_sockfd[1], acl_data); |
| 226 | semaphore_wait(done); |
| 227 | |
| 228 | write_packet(event_sockfd[1], event_data); |
| 229 | semaphore_wait(done); |
| 230 | |
| 231 | EXPECT_CALL_COUNT(data_ready_callback, 2); |
| 232 | } |
| 233 | |
| 234 | TEST_F(HciHalMctTest, test_read_async_reentry) { |
| 235 | reset_for(read_async_reentry); |
| 236 | |
| 237 | reentry_semaphore = semaphore_new(0); |
| 238 | reentry_i = 0; |
| 239 | |
| 240 | write_packet_reentry(acl_in_sockfd[1], sample_data3); |
| 241 | |
| 242 | // write_packet_reentry ensures the data has been received |
| 243 | semaphore_free(reentry_semaphore); |
| 244 | } |