Fuzz testing Header Search Paths settings (#1395)

* Modified `HEADER_SEARCH_PATHS` in the project file.

3 files changed, 24 insertions, 15 deletions

diff --git a/Firestore/Example/Firestore.xcodeproj/project.pbxproj b/Firestore/Example/Firestore.xcodeproj/project.pbxproj
index 0ce2716..11cabc4 100644
--- a/Firestore/Example/Firestore.xcodeproj/project.pbxproj
+++ b/Firestore/Example/Firestore.xcodeproj/project.pbxproj
@@ -2093,6 +2093,12 @@
 					"COCOAPODS=1",
 					"GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1",
 				);
+				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"${PODS_ROOT}/../../..\"",
+					"\"${PODS_ROOT}/../../../Firestore/third_party/abseil-cpp\"",
+					"\"${PODS_ROOT}/nanopb\"",
+				);
 				INFOPLIST_FILE = "FuzzTests/Firestore_FuzzTests_iOS-Info.plist";
 				OTHER_CFLAGS = (
 					"$(inherited)",
@@ -2123,6 +2129,12 @@
 					"COCOAPODS=1",
 					"GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1",
 				);
+				HEADER_SEARCH_PATHS = (
+					"$(inherited)",
+					"\"${PODS_ROOT}/../../..\"",
+					"\"${PODS_ROOT}/../../../Firestore/third_party/abseil-cpp\"",
+					"\"${PODS_ROOT}/nanopb\"",
+				);
 				INFOPLIST_FILE = "FuzzTests/Firestore_FuzzTests_iOS-Info.plist";
 				OTHER_CFLAGS = (
 					"$(inherited)",
diff --git a/Firestore/Example/Firestore.xcodeproj/xcshareddata/xcschemes/Firestore_FuzzTests_iOS.xcscheme b/Firestore/Example/Firestore.xcodeproj/xcshareddata/xcschemes/Firestore_FuzzTests_iOS.xcscheme
index 051b1a4..039273b 100644
--- a/Firestore/Example/Firestore.xcodeproj/xcshareddata/xcschemes/Firestore_FuzzTests_iOS.xcscheme
+++ b/Firestore/Example/Firestore.xcodeproj/xcshareddata/xcschemes/Firestore_FuzzTests_iOS.xcscheme
@@ -5,19 +5,6 @@
    <BuildAction
       parallelizeBuildables = "YES"
       buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForRunning = "YES"
-            buildForTesting = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "6EDD3AD120BF247500C33877"
-               BuildableName = "Firestore_FuzzTests_iOS.xctest"
-               BlueprintName = "Firestore_FuzzTests_iOS"
-               ReferencedContainer = "container:Firestore.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
    </BuildAction>
    <TestAction
       buildConfiguration = "Debug"
diff --git a/Firestore/Example/FuzzTests/FSTFuzzTestsPrincipal.mm b/Firestore/Example/FuzzTests/FSTFuzzTestsPrincipal.mm
index 63f6db0..038e687 100644
--- a/Firestore/Example/FuzzTests/FSTFuzzTestsPrincipal.mm
+++ b/Firestore/Example/FuzzTests/FSTFuzzTestsPrincipal.mm
@@ -18,12 +18,22 @@
 
 #include "LibFuzzer/FuzzerDefs.h"
 
+#include "Firestore/core/src/firebase/firestore/remote/serializer.h"
+
+using firebase::firestore::remote::Serializer;
+
 namespace {
 
+// Fuzz-test the deserialization process in Firestore. The Serializer reads raw
+// bytes and converts them to a model object.
+void FuzzTestDeserialization(const uint8_t *data, size_t size) {
+  // TODO(minafarid): fuzz-test Serializer.
+}
+
 // Contains the code to be fuzzed. Called by the fuzzing library with
 // different argument values for `data` and `size`.
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
-  // Code to be fuzz-tested here.
+  FuzzTestDeserialization(data, size);
   return 0;
 }
 
@@ -32,7 +42,7 @@ int RunFuzzTestingMain() {
   // Arguments to libFuzzer main() function should be added to this array,
   // e.g., dictionaries, corpus, number of runs, jobs, etc.
   char *program_args[] = {
-      const_cast<char *>("RunFuzzTestingMain")  // First argument is program name.
+      const_cast<char *>("RunFuzzTestingMain")  // First arg is program name.
   };
   char **argv = program_args;
   int argc = sizeof(program_args) / sizeof(program_args[0]);