Add fuzzer for FormatConvert

Bug: 146086281
Test: Follow go/android-fuzzing to build and test

Change-Id: Id94c57ba1b327cd4af2ae72fb0259953fa941d45
diff --git a/automotive/evs/common/utils/default/Android.bp b/automotive/evs/common/utils/default/Android.bp
index 7734f5c..776ef81 100644
--- a/automotive/evs/common/utils/default/Android.bp
+++ b/automotive/evs/common/utils/default/Android.bp
@@ -15,6 +15,7 @@
 //
 
 cc_library_static {
+    host_supported: true,
     name: "android.hardware.automotive.evs@common-default-lib",
     vendor_available: true,
     relative_install_path: "hw",
diff --git a/automotive/evs/common/utils/default/test/fuzz/Android.bp b/automotive/evs/common/utils/default/test/fuzz/Android.bp
new file mode 100644
index 0000000..105ec68
--- /dev/null
+++ b/automotive/evs/common/utils/default/test/fuzz/Android.bp
@@ -0,0 +1,99 @@
+//
+// Copyright (C) 2019 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_fuzz {
+    host_supported: true,
+    name : "FormatConvertFuzzer_copyNV21toRGB32",
+    srcs: [
+        "FormatConvertFuzzer.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.evs@common-default-lib"
+    ],
+    cflags: [
+        "-DCOPY_NV21_TO_RGB32",
+    ],
+}
+
+cc_fuzz {
+    host_supported: true,
+    name : "FormatConvertFuzzer_copyNV21toBGR32",
+    srcs: [
+        "FormatConvertFuzzer.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.evs@common-default-lib"
+    ],
+    cflags: [
+        "-DCOPY_NV21_TO_BGR32",
+    ],
+}
+
+cc_fuzz {
+    host_supported: true,
+    name : "FormatConvertFuzzer_copyYV12toRGB32",
+    srcs: [
+        "FormatConvertFuzzer.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.evs@common-default-lib"
+    ],
+    cflags: [
+        "-DCOPY_YV12_TO_RGB32",
+    ],
+}
+
+cc_fuzz {
+    host_supported: true,
+    name : "FormatConvertFuzzer_copyYV12toBGR32",
+    srcs: [
+        "FormatConvertFuzzer.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.evs@common-default-lib"
+    ],
+    cflags: [
+        "-DCOPY_YV12_TO_BGR32",
+    ],
+}
+
+cc_fuzz {
+    host_supported: true,
+    name : "FormatConvertFuzzer_copyYUYVtoRGB32",
+    srcs: [
+        "FormatConvertFuzzer.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.evs@common-default-lib"
+    ],
+    cflags: [
+        "-DCOPY_YUYV_TO_RGB32",
+    ],
+}
+
+cc_fuzz {
+    host_supported: true,
+    name : "FormatConvertFuzzer_copyYUYVtoBGR32",
+    srcs: [
+        "FormatConvertFuzzer.cpp",
+    ],
+    static_libs: [
+        "android.hardware.automotive.evs@common-default-lib"
+    ],
+    cflags: [
+        "-DCOPY_YUYV_TO_BGR32",
+    ],
+}
diff --git a/automotive/evs/common/utils/default/test/fuzz/FormatConvertFuzzer.cpp b/automotive/evs/common/utils/default/test/fuzz/FormatConvertFuzzer.cpp
new file mode 100644
index 0000000..583a455
--- /dev/null
+++ b/automotive/evs/common/utils/default/test/fuzz/FormatConvertFuzzer.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cmath>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include "FormatConvert.h"
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, std::size_t size) {
+    if (size < 256) {
+        return 0;
+    }
+
+    std::srand(std::time(nullptr));  // use current time as seed for random generator
+    int random_variable = std::rand() % 10;
+    int width = (int)sqrt(size);
+    int height = width * ((float)random_variable / 10.0);
+
+    uint8_t* src = (uint8_t*)malloc(sizeof(uint8_t) * size);
+    memcpy(src, data, sizeof(uint8_t) * (size));
+    uint32_t* tgt = (uint32_t*)malloc(sizeof(uint32_t) * size);
+
+#ifdef COPY_NV21_TO_RGB32
+    android::hardware::automotive::evs::common::Utils::copyNV21toRGB32(width, height, src, tgt, 0);
+#elif COPY_NV21_TO_BGR32
+    android::hardware::automotive::evs::common::Utils::copyNV21toBGR32(width, height, src, tgt, 0);
+#elif COPY_YV12_TO_RGB32
+    android::hardware::automotive::evs::common::Utils::copyYV12toRGB32(width, height, src, tgt, 0);
+#elif COPY_YV12_TO_BGR32
+    android::hardware::automotive::evs::common::Utils::copyYV12toBGR32(width, height, src, tgt, 0);
+#elif COPY_YUYV_TO_RGB32
+    android::hardware::automotive::evs::common::Utils::copyYUYVtoRGB32(width, height, src, 0, tgt,
+                                                                       0);
+#elif COPY_YUYV_TO_BGR32
+    android::hardware::automotive::evs::common::Utils::copyYUYVtoBGR32(width, height, src, 0, tgt,
+                                                                       0);
+#endif
+
+    free(src);
+    free(tgt);
+
+    return 0;
+}