+/*
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * Copyright (C) 2024 EfficiOS, Inc.
+ */
+
+#include <cpp-common/bt2/plugin.hpp>
+
+#include <cpp-common/vendor/fmt/format.h>
+
+#include <babeltrace2/babeltrace.h>
+
+#include "cpp-common/bt2c/c-string-view.hpp"
+
+#include "tap/tap.h"
+
+namespace {
+
+void testFailOnLoadErrorTrue(const char * const pluginDir)
+{
+ plan_tests(1);
+
+ try {
+ bt2::findAllPluginsFromDir(pluginDir, false, true);
+ bt_common_abort();
+ } catch (const bt2::Error& exc) {
+ fmt::print("{}\n", exc.what());
+
+ const auto error = bt_current_thread_take_error();
+
+ /*
+ * The last error cause must be the one which the initialization
+ * function of our plugin appended.
+ */
+ const auto cause = bt_error_borrow_cause_by_index(error, 0);
+ const bt2c::CStringView msg {bt_error_cause_get_message(cause)};
+
+ ok(msg == "This is the error message", "Message of error cause 0 is expected");
+ bt_error_release(error);
+ }
+}
+
+void testFailOnLoadErrorFalse(const char * const pluginDir)
+{
+ plan_tests(1);
+
+ const auto plugins = bt2::findAllPluginsFromDir(pluginDir, false, false);
+
+ ok(!plugins, "No plugin set returned");
+}
+
+} /* namespace */
+
+int main(const int argc, const char ** const argv)
+{
+ if (argc != 3) {
+ fmt::print(stderr,
+ "Usage: {} INIT-FAIL-PLUGIN-DIR FAIL-ON-LOAD-ERROR\n"
+ "\n"
+ "FAIL-ON-LOAD-ERROR must be `yes` or `no`\n",
+ argv[0]);
+ return 1;
+ }
+
+ const auto pluginDir = argv[1];
+ const bt2c::CStringView failOnLoadErrorStr {argv[2]};
+
+ if (failOnLoadErrorStr == "yes") {
+ testFailOnLoadErrorTrue(pluginDir);
+ } else if (failOnLoadErrorStr == "no") {
+ testFailOnLoadErrorFalse(pluginDir);
+ } else {
+ fmt::print(stderr,
+ "ERROR: Invalid value `{}` for FAIL-ON-LOAD-ERROR (expecting `yes` or `no`).\n",
+ failOnLoadErrorStr);
+ return 1;
+ }
+
+ return exit_status();
+}