| Brian Silverman | eda63f3 | 2017-10-08 18:57:33 -0400 | [diff] [blame] | 1 | #include "motors/usb/queue.h" |
| 2 | |
| 3 | #include "gtest/gtest.h" |
| 4 | |
| 5 | namespace frc971 { |
| 6 | namespace teensy { |
| 7 | namespace testing { |
| 8 | |
| 9 | TEST(QueueTest, Basic) { |
| 10 | Queue queue(64); |
| 11 | ASSERT_EQ(0u, queue.data_queued()); |
| 12 | ASSERT_TRUE(queue.empty()); |
| 13 | ASSERT_EQ(5u, queue.Write("abcde", 5)); |
| 14 | ASSERT_EQ(5u, queue.data_queued()); |
| 15 | ASSERT_FALSE(queue.empty()); |
| 16 | char buffer[5]; |
| 17 | ASSERT_EQ(5u, queue.Read(buffer, 5)); |
| 18 | ASSERT_EQ("abcde", ::std::string(buffer, 5)); |
| 19 | ASSERT_TRUE(queue.empty()); |
| 20 | } |
| 21 | |
| 22 | TEST(QueueTest, Fill) { |
| 23 | Queue queue(8); |
| 24 | ASSERT_EQ(0u, queue.data_queued()); |
| 25 | ASSERT_EQ(7u, queue.Write("abcdefgh", 8)); |
| 26 | ASSERT_EQ(7u, queue.data_queued()); |
| 27 | char buffer[7]; |
| 28 | ASSERT_EQ(7u, queue.Read(buffer, 100)); |
| 29 | ASSERT_EQ("abcdefg", ::std::string(buffer, 7)); |
| 30 | ASSERT_TRUE(queue.empty()); |
| 31 | |
| 32 | ASSERT_EQ(3u, queue.Write("xyz", 3)); |
| 33 | ASSERT_EQ(3u, queue.Read(buffer, 100)); |
| 34 | ASSERT_EQ(0u, queue.data_queued()); |
| 35 | |
| 36 | ASSERT_EQ(7u, queue.Write("abcdefgh", 8)); |
| 37 | ASSERT_EQ(7u, queue.data_queued()); |
| 38 | ASSERT_EQ(7u, queue.Read(buffer, 100)); |
| 39 | ASSERT_EQ("abcdefg", ::std::string(buffer, 7)); |
| 40 | ASSERT_TRUE(queue.empty()); |
| 41 | } |
| 42 | |
| 43 | } // namespace testing |
| 44 | } // namespace teensy |
| 45 | } // namespace frc971 |