[test] add .test.cpp suffix to test case files

test/api/api_misuse.test.cpp

@@ -0,0 +1,67 @@
+#include <mbgl/test/util.hpp>
+#include <mbgl/test/stub_file_source.hpp>
+#include <mbgl/test/fixture_log_observer.hpp>
+
+#include <mbgl/map/map.hpp>
+#include <mbgl/platform/default/headless_display.hpp>
+#include <mbgl/storage/online_file_source.hpp>
+#include <mbgl/util/exception.hpp>
+#include <mbgl/util/run_loop.hpp>
+
+#include <future>
+
+using namespace mbgl;
+
+TEST(API, RenderWithoutCallback) {
+    auto log = new FixtureLogObserver();
+    Log::setObserver(std::unique_ptr<Log::Observer>(log));
+
+    util::RunLoop loop;
+
+    auto display = std::make_shared<mbgl::HeadlessDisplay>();
+    HeadlessView view(display, 1);
+    view.resize(128, 512);
+    StubFileSource fileSource;
+
+    std::unique_ptr<Map> map = std::make_unique<Map>(view, fileSource, MapMode::Still);
+    map->renderStill(nullptr);
+
+    // Force Map thread to join.
+    map.reset();
+
+    const FixtureLogObserver::LogMessage logMessage {
+        EventSeverity::Error,
+        Event::General,
+        int64_t(-1),
+        "StillImageCallback not set",
+    };
+
+    EXPECT_EQ(log->count(logMessage), 1u);
+}
+
+TEST(API, RenderWithoutStyle) {
+    util::RunLoop loop;
+
+    auto display = std::make_shared<mbgl::HeadlessDisplay>();
+    HeadlessView view(display, 1);
+    view.resize(128, 512);
+    StubFileSource fileSource;
+
+    Map map(view, fileSource, MapMode::Still);
+
+    std::exception_ptr error;
+    map.renderStill([&](std::exception_ptr error_, PremultipliedImage&&) {
+        error = error_;
+        loop.stop();
+    });
+
+    loop.run();
+
+    try {
+        std::rethrow_exception(error);
+    } catch (const util::MisuseException& ex) {
+        EXPECT_EQ(std::string(ex.what()), "Map doesn't have a style");
+    } catch (const std::exception&) {
+        EXPECT_TRUE(false) << "Unhandled exception.";
+    }
+}