Add missing NNAPI HIDL interface mock tests

prepareModelFromCache* was tested for handling of errors happening
during the preparation launch but not during the actual preparation.

Bug: 163801800
Test: mma
Test: atest neuralnetworks_utils_hal_common_test
Test: atest neuralnetworks_utils_hal_1_[0-3]_test
Change-Id: I2c4b235fd4877238d7a18be8b0ea051434c1df6b
Merged-In: I2c4b235fd4877238d7a18be8b0ea051434c1df6b
(cherry picked from commit c6cf50ad425d60796da6a326f5d5515fb3b28fc0)

1 files changed, 18 insertions, 1 deletions

diff --git a/neuralnetworks/1.3/utils/test/DeviceTest.cpp b/neuralnetworks/1.3/utils/test/DeviceTest.cpp
index f260990471..2d1b2f295a 100644
--- a/neuralnetworks/1.3/utils/test/DeviceTest.cpp
+++ b/neuralnetworks/1.3/utils/test/DeviceTest.cpp
@@ -794,7 +794,7 @@ TEST(DeviceTest, prepareModelFromCache) {
     EXPECT_NE(result.value(), nullptr);
 }
 
-TEST(DeviceTest, prepareModelFromCacheError) {
+TEST(DeviceTest, prepareModelFromCacheLaunchError) {
     // setup call
     const auto mockDevice = createMockDevice();
     const auto device = Device::create(kName, mockDevice).value();
@@ -812,6 +812,23 @@ TEST(DeviceTest, prepareModelFromCacheError) {
     EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
 }
 
+TEST(DeviceTest, prepareModelFromCacheReturnError) {
+    // setup call
+    const auto mockDevice = createMockDevice();
+    const auto device = Device::create(kName, mockDevice).value();
+    EXPECT_CALL(*mockDevice, prepareModelFromCache_1_3(_, _, _, _, _))
+            .Times(1)
+            .WillOnce(Invoke(makePreparedModelFromCacheReturn(
+                    V1_3::ErrorStatus::NONE, V1_3::ErrorStatus::GENERAL_FAILURE, nullptr)));
+
+    // run test
+    const auto result = device->prepareModelFromCache({}, {}, {}, {});
+
+    // verify result
+    ASSERT_FALSE(result.has_value());
+    EXPECT_EQ(result.error().code, nn::ErrorStatus::GENERAL_FAILURE);
+}
+
 TEST(DeviceTest, prepareModelFromCacheNullptrError) {
     // setup call
     const auto mockDevice = createMockDevice();