[tests] Add a test for the retry delay on expired response

2 files changed, 36 insertions, 0 deletions

diff --git a/test/storage/http_expires.cpp b/test/storage/http_expires.cpp
new file mode 100644
index 0000000000..0a37df8e37
--- /dev/null
+++ b/test/storage/http_expires.cpp
@@ -0,0 +1,35 @@
+#include "storage.hpp"
+
+#include <mbgl/storage/online_file_source.hpp>
+#include <mbgl/util/chrono.hpp>
+#include <mbgl/util/run_loop.hpp>
+#include <mbgl/util/timer.hpp>
+
+TEST_F(Storage, HTTPRetryDelayOnExpiredTile) {
+    SCOPED_TEST(HTTPRetryDelayOnExpiredTile)
+
+    using namespace mbgl;
+
+    util::RunLoop loop;
+    OnlineFileSource fs;
+
+    int counter = 0;
+
+    const Resource resource { Resource::Unknown, "http://127.0.0.1:3000/test?expires=10000" };
+    std::unique_ptr<FileRequest> req = fs.request(resource, [&](Response res) {
+        counter++;
+        EXPECT_EQ(nullptr, res.error);
+        EXPECT_GT(SystemClock::now(), res.expires);
+    });
+
+    util::Timer timer;
+    timer.start(Milliseconds(500), Duration::zero(), [&] () {
+        loop.stop();
+    });
+
+    loop.run();
+
+    EXPECT_EQ(1, counter);
+
+    HTTPRetryDelayOnExpiredTile.finish();
+}
diff --git a/test/test.gypi b/test/test.gypi
index 32b686a80d..d85faf2f5a 100644
--- a/test/test.gypi
+++ b/test/test.gypi
@@ -77,6 +77,7 @@
         'storage/headers.cpp',
         'storage/http_cancel.cpp',
         'storage/http_error.cpp',
+        'storage/http_expires.cpp',
         'storage/http_header_parsing.cpp',
         'storage/http_issue_1369.cpp',
         'storage/http_load.cpp',