Added simple test for the BNode::Lock()/Unlock() feature.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17698 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/system/kernel/Jamfile

@@ -63,6 +63,11 @@ SimpleTest yield_test :
 	yield_test.cpp
 	;
 
+SimpleTest lock_node_test :
+	lock_node_test.cpp
+	: be
+	;
+
 SubInclude HAIKU_TOP src tests system kernel cache ;
 #SubInclude HAIKU_TOP src tests system kernel disk_device_manager ;
 SubInclude HAIKU_TOP src tests system kernel util ;

src/tests/system/kernel/lock_node_test.cpp

@@ -0,0 +1,36 @@
+#include <Node.h>
+
+#include <stdio.h>
+#include <string.h>
+
+
+int
+main(int argc, char **argv)
+{
+	if (argc != 2) {
+		fprintf(stderr, "usage: lock_node <file>\n");
+		return 1;
+	}
+
+	BNode node;
+	status_t status = node.SetTo(argv[1]);
+	if (status != B_OK) {
+		fprintf(stderr, "lock_node: could not open \"%s\": %s\n", argv[1], strerror(status));
+		return 1;
+	}
+
+	status = node.Lock();
+	if (status != B_OK) {
+		fprintf(stderr, "lock_node: could not lock \"%s\": %s\n", argv[1], strerror(status));
+		return 1;
+	}
+
+	puts("press <enter> to continue...");
+	char a[5];
+	fgets(a, 5, stdin);
+
+	node.Unlock();
+	node.Unset();
+	return 0;
+}
+