test: add a test for the logger truncation

See c851349f17

test/test-support.c

@@ -0,0 +1,88 @@
+/* PipeWire
+ *
+ * Copyright © 2021 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "pwtest.h"
+
+#include <spa/utils/names.h>
+#include <spa/support/plugin.h>
+#include <spa/support/log.h>
+
+PWTEST(pwtest_load_nonexisting)
+{
+	struct pwtest_spa_plugin *plugin;
+	void *iface;
+
+	plugin = pwtest_spa_plugin_new();
+
+	pwtest_neg_errno_check(
+		pwtest_spa_plugin_try_load_interface(plugin, &iface,
+					"support/does_not_exist",
+					SPA_NAME_SUPPORT_LOG, SPA_TYPE_INTERFACE_Log,
+					NULL),
+		-ENOENT);
+
+	pwtest_neg_errno_check(
+		pwtest_spa_plugin_try_load_interface(plugin, &iface,
+					"support/libspa-support",
+					"foo.bar", SPA_TYPE_INTERFACE_Log,
+					NULL),
+		-EINVAL);
+
+	pwtest_neg_errno_check(
+		pwtest_spa_plugin_try_load_interface(plugin, &iface,
+					"support/libspa-support",
+					SPA_NAME_SUPPORT_LOG,
+					"foo", NULL),
+		-ENOSYS);
+
+	pwtest_spa_plugin_destroy(plugin);
+
+	return PWTEST_PASS;
+}
+
+PWTEST(pwtest_load_plugin)
+{
+	struct pwtest_spa_plugin *plugin;
+	void *iface;
+
+	plugin = pwtest_spa_plugin_new();
+
+	pwtest_neg_errno_ok(
+		pwtest_spa_plugin_try_load_interface(plugin, &iface,
+					"support/libspa-support",
+					SPA_NAME_SUPPORT_LOG, SPA_TYPE_INTERFACE_Log,
+					NULL)
+		);
+
+	pwtest_spa_plugin_destroy(plugin);
+	return PWTEST_PASS;
+}
+
+PWTEST_SUITE(support)
+{
+	pwtest_add(pwtest_load_nonexisting, PWTEST_NOARG);
+	pwtest_add(pwtest_load_plugin, PWTEST_NOARG);
+
+	return PWTEST_PASS;
+}