1 files changed, 55 insertions, 0 deletions
diff --git a/packages/ext-layer-shell/tests/test_glue.cpp b/packages/ext-layer-shell/tests/test_glue.cpp
new file mode 100644
index 0000000..6a1ac16
--- /dev/null
+++ b/packages/ext-layer-shell/tests/test_glue.cpp
@@ -0,0 +1,55 @@
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include <doctest/doctest.h>
+
+#include <unbox/ext-layer-shell/ext_layer_shell.hpp>
+#include <unbox/kernel/server.hpp>
+
+#include <cstdlib>
+#include <memory>
+
+// Glue tests — lenient, headless. The pure arrangement math is proven hard in
+// test_arrangement.cpp; here we only verify the extension installs, activates,
+// creates its global, drives the event loop, and shuts down cleanly under the
+// wlr headless backend (no GPU, no parent session).
+
+namespace {
+
+auto make_headless_server() -> std::unique_ptr<unbox::kernel::Server> {
+    setenv("WLR_BACKENDS", "headless", 1);
+    setenv("WLR_RENDERER", "pixman", 1);
+    setenv("WLR_HEADLESS_OUTPUTS", "1", 1);
+    return unbox::kernel::Server::create({});
+}
+
+} // namespace
+
+TEST_CASE("ext-layer-shell installs, activates, and creates its global") {
+    auto server = make_headless_server();
+    server->install(unbox::ext_layer_shell::create());
+    // Activation creates the wlr_layer_shell_v1 global on the display; a
+    // throwing activate() (e.g. create failure) would propagate here.
+    server->activate_extensions();
+    CHECK(!server->socket_name().empty());
+}
+
+TEST_CASE("ext-layer-shell dispatches and shuts down cleanly") {
+    auto server = make_headless_server();
+    server->install(unbox::ext_layer_shell::create());
+    server->activate_extensions();
+    for (int i = 0; i < 5; ++i) {
+        CHECK(server->dispatch(10));
+    }
+    // Destruction runs the full shutdown sequence; the extension's RAII members
+    // (global listener, output subscriptions, scene nodes) release in reverse
+    // declaration order with no leaked listeners.
+}
+
+TEST_CASE("ext-layer-shell activates idempotently alongside the headless output") {
+    auto server = make_headless_server();
+    server->install(unbox::ext_layer_shell::create());
+    server->activate_extensions();
+    server->activate_extensions(); // no-op second call
+    for (int i = 0; i < 3; ++i) {
+        CHECK(server->dispatch(10));
+    }
+}