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#include <mbgl/test/util.hpp>
#include <mbgl/test/fixture_log_observer.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/platform/default/headless_backend.hpp>
#include <mbgl/platform/default/offscreen_view.hpp>
#include <mbgl/platform/default/thread_pool.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/run_loop.hpp>
#include <future>
TEST(API, RepeatedRender) {
using namespace mbgl;
util::RunLoop loop;
const auto style = util::read_file("test/fixtures/api/water.json");
HeadlessBackend backend;
OffscreenView view(backend.getContext(), {{ 256, 512 }});
#ifdef MBGL_ASSET_ZIP
// Regenerate with `cd test/fixtures/api/ && zip -r assets.zip assets/`
DefaultFileSource fileSource(":memory:", "test/fixtures/api/assets.zip");
#else
DefaultFileSource fileSource(":memory:", "test/fixtures/api/assets");
#endif
ThreadPool threadPool(4);
Log::setObserver(std::make_unique<FixtureLogObserver>());
Map map(backend, view.getSize(), 1, fileSource, threadPool, MapMode::Still);
{
map.setStyleJSON(style);
PremultipliedImage result;
map.renderStill(view, [&](std::exception_ptr) {
result = view.readStillImage();
});
while (!result.size()) {
loop.runOnce();
}
ASSERT_EQ(256u, result.width);
ASSERT_EQ(512u, result.height);
#if !TEST_READ_ONLY
util::write_file("test/fixtures/api/1.png", encodePNG(result));
#endif
}
{
map.setStyleJSON(style);
PremultipliedImage result;
map.renderStill(view, [&](std::exception_ptr) {
result = view.readStillImage();
});
while (!result.size()) {
loop.runOnce();
}
ASSERT_EQ(256u, result.width);
ASSERT_EQ(512u, result.height);
#if !TEST_READ_ONLY
util::write_file("test/fixtures/api/2.png", encodePNG(result));
#endif
}
auto observer = Log::removeObserver();
auto flo = dynamic_cast<FixtureLogObserver*>(observer.get());
auto unchecked = flo->unchecked();
EXPECT_TRUE(unchecked.empty()) << unchecked;
}
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