Support Face Virtual HAL operation latency randomization
Bug: 294254230
Test: atest android.hardware.biometrics.face.*
Change-Id: I1e0c2ba2f0f6756c79375b56c7d1a10f7f3bf5c4
diff --git a/biometrics/face/aidl/default/tests/FakeFaceEngineTest.cpp b/biometrics/face/aidl/default/tests/FakeFaceEngineTest.cpp
index 69c9bf4..8c39b58 100644
--- a/biometrics/face/aidl/default/tests/FakeFaceEngineTest.cpp
+++ b/biometrics/face/aidl/default/tests/FakeFaceEngineTest.cpp
@@ -22,6 +22,7 @@
#include <android-base/logging.h>
#include "FakeFaceEngine.h"
+#include "util/Util.h"
using namespace ::android::face::virt;
using namespace ::aidl::android::hardware::biometrics::face;
@@ -137,11 +138,15 @@
void SetUp() override {
LOG(ERROR) << "JRM SETUP";
mCallback = ndk::SharedRefBase::make<TestSessionCallback>();
+ }
+
+ void TearDown() override {
FaceHalProperties::enrollments({});
FaceHalProperties::challenge({});
FaceHalProperties::features({});
FaceHalProperties::authenticator_id({});
FaceHalProperties::strength("");
+ FaceHalProperties::operation_detect_interaction_latency({});
}
FakeFaceEngine mEngine;
@@ -383,4 +388,26 @@
ASSERT_FALSE(mCallback->mAuthenticateFailed);
}
+TEST_F(FakeFaceEngineTest, LatencyDefault) {
+ FaceHalProperties::operation_detect_interaction_latency({});
+ ASSERT_EQ(DEFAULT_LATENCY,
+ mEngine.getLatency(FaceHalProperties::operation_detect_interaction_latency()));
+}
+
+TEST_F(FakeFaceEngineTest, LatencyFixed) {
+ FaceHalProperties::operation_detect_interaction_latency({10});
+ ASSERT_EQ(10, mEngine.getLatency(FaceHalProperties::operation_detect_interaction_latency()));
+}
+
+TEST_F(FakeFaceEngineTest, LatencyRandom) {
+ FaceHalProperties::operation_detect_interaction_latency({1, 1000});
+ std::set<int32_t> latencySet;
+ for (int i = 0; i < 100; i++) {
+ auto x = mEngine.getLatency(FaceHalProperties::operation_detect_interaction_latency());
+ ASSERT_TRUE(x >= 1 && x <= 1000);
+ latencySet.insert(x);
+ }
+ ASSERT_TRUE(latencySet.size() > 95); // unique values
+}
+
} // namespace aidl::android::hardware::biometrics::face