[core] add test about number of maximum concurrent requests

2 files changed, 28 insertions, 0 deletions

diff --git a/test/src/mbgl/test/fake_file_source.hpp b/test/src/mbgl/test/fake_file_source.hpp
index baae7f9b7e..8803e9576b 100644
--- a/test/src/mbgl/test/fake_file_source.hpp
+++ b/test/src/mbgl/test/fake_file_source.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <mbgl/storage/file_source.hpp>
+#include <mbgl/storage/online_file_source.hpp>
 
 #include <algorithm>
 #include <list>
@@ -56,6 +57,19 @@ public:
     }
 
     std::list<FakeFileRequest*> requests;
+
+};
+
+class FakeOnlineFileSource : public OnlineFileSource, public FakeFileSource {
+public:
+    std::unique_ptr<AsyncRequest> request(const Resource& resource, Callback callback) override {
+        return FakeFileSource::request(resource, callback);
+    }
+
+    bool respond(Resource::Kind kind, const Response& response) {
+        return FakeFileSource::respond(kind, response);
+    }
 };
 
+
 } // namespace mbgl
diff --git a/test/src/mbgl/test/stub_file_source.hpp b/test/src/mbgl/test/stub_file_source.hpp
index 6cee8377c6..1135fa9a80 100644
--- a/test/src/mbgl/test/stub_file_source.hpp
+++ b/test/src/mbgl/test/stub_file_source.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <mbgl/storage/file_source.hpp>
+#include <mbgl/storage/online_file_source.hpp>
 #include <mbgl/util/timer.hpp>
 
 #include <unordered_map>
@@ -37,6 +38,8 @@ public:
     ResponseFunction imageResponse;
 
 private:
+    friend class StubOnlineFileSource;
+
     // The default behavior is to throw if no per-kind callback has been set.
     optional<Response> defaultResponse(const Resource&);
 
@@ -45,4 +48,15 @@ private:
     util::Timer timer;
 };
 
+class StubOnlineFileSource : public StubFileSource, public OnlineFileSource {
+public:
+
+    StubOnlineFileSource(ResponseType t = ResponseType::Asynchronous) : StubFileSource(t) {};
+    ~StubOnlineFileSource() override = default;
+
+    std::unique_ptr<AsyncRequest> request(const Resource& r, Callback c) override { return StubFileSource::request(r, c); };
+    void remove(AsyncRequest* r) { StubFileSource::remove(r); };
+};
+
+
 } // namespace mbgl