Merge "Bluetooth: Add a test for alignment"
diff --git a/bluetooth/hci/test/h4_protocol_unittest.cc b/bluetooth/hci/test/h4_protocol_unittest.cc
index d3fab61..f0c49b5 100644
--- a/bluetooth/hci/test/h4_protocol_unittest.cc
+++ b/bluetooth/hci/test/h4_protocol_unittest.cc
@@ -31,7 +31,6 @@
#include <vector>
#include "async_fd_watcher.h"
-#include "log/log.h"
using android::hardware::bluetooth::async::AsyncFdWatcher;
using namespace android::hardware::bluetooth::hci;
@@ -49,6 +48,7 @@
static char event_data[100] = "The edges of a surface are lines.";
static char iso_data[100] =
"A plane angle is the inclination to one another of two lines in a ...";
+static char short_payload[10] = "12345";
// 5 seconds. Just don't hang.
static constexpr size_t kTimeoutMs = 5000;
@@ -225,6 +225,49 @@
CallDataReady();
}
+ void WriteAndExpectManyAclDataPacketsDifferentOffsetsShort() {
+ std::promise<void> last_packet_promise;
+ size_t kNumPackets = 30;
+ // h4 type[1] + handle[2] + size[2]
+ char preamble[5] = {static_cast<uint8_t>(PacketType::ACL_DATA), 19, 92, 0,
+ 0};
+ int length = strlen(short_payload);
+ preamble[3] = length & 0xFF;
+ preamble[4] = 0;
+
+ EXPECT_CALL(acl_cb_, Call(PacketMatches(preamble + 1, kAclHeaderSize,
+ short_payload)))
+ .Times(kNumPackets);
+ ExpectInboundEvent(event_data, &last_packet_promise);
+
+ char all_packets[kNumPackets * 10];
+ size_t total_bytes = 0;
+
+ for (size_t packet = 0; packet < kNumPackets; packet++) {
+ for (size_t i = 0; i < sizeof(preamble); i++) {
+ all_packets[total_bytes++] = preamble[i];
+ }
+ for (size_t i = 0; i < length; i++) {
+ all_packets[total_bytes++] = short_payload[i];
+ }
+ }
+
+ size_t written_bytes = 0;
+ size_t partial_size = 1;
+ while (written_bytes < total_bytes) {
+ size_t to_write = std::min(partial_size, total_bytes - written_bytes);
+ TEMP_FAILURE_RETRY(
+ write(chip_uart_fd_, all_packets + written_bytes, to_write));
+ written_bytes += to_write;
+ CallDataReady();
+ partial_size++;
+ partial_size = partial_size % 5 + 1;
+ }
+ WriteInboundEvent(event_data);
+ CallDataReady();
+ WaitForTimeout(&last_packet_promise);
+ }
+
testing::MockFunction<void(const std::vector<uint8_t>&)> cmd_cb_;
testing::MockFunction<void(const std::vector<uint8_t>&)> event_cb_;
testing::MockFunction<void(const std::vector<uint8_t>&)> acl_cb_;
@@ -276,6 +319,10 @@
WriteAndExpectManyInboundAclDataPackets(sco_data);
}
+TEST_F(H4ProtocolTest, TestMultipleWritesPacketsShortWrites) {
+ WriteAndExpectManyAclDataPacketsDifferentOffsetsShort();
+}
+
TEST_F(H4ProtocolTest, TestDisconnect) {
EXPECT_CALL(disconnect_cb_, Call());
close(chip_uart_fd_);
@@ -332,10 +379,8 @@
void TearDown() override { fd_watcher_.StopWatchingFileDescriptors(); }
- void CallDataReady() override {
- // The Async test can't call data ready.
- FAIL();
- }
+ // Calling CallDataReady() has no effect in the AsyncTest
+ void CallDataReady() override {}
void SendAndReadUartOutbound(PacketType type, char* data) {
ALOGD("%s sending", __func__);
@@ -434,6 +479,10 @@
WriteAndExpectManyInboundAclDataPackets(sco_data);
}
+TEST_F(H4ProtocolAsyncTest, TestMultipleWritesPacketsShortWrites) {
+ WriteAndExpectManyAclDataPacketsDifferentOffsetsShort();
+}
+
TEST_F(H4ProtocolAsyncTest, TestDisconnect) {
std::promise<void> promise;
EXPECT_CALL(disconnect_cb_, Call()).WillOnce(Notify(&promise));