Add unit tests

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 55 insertions, 0 deletions

diff --git a/tests/mknode_dir.c b/tests/mknode_dir.c
new file mode 100644
index 0000000..5efe7a8
--- /dev/null
+++ b/tests/mknode_dir.c
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#include "fstree.h"
+
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+
+int main(void)
+{
+	tree_node_t *root, *a, *b;
+	struct stat sb;
+	fstree_t fs;
+
+	memset(&fs, 0, sizeof(fs));
+	memset(&sb, 0, sizeof(sb));
+	sb.st_mode = S_IFDIR | 0654;
+	sb.st_uid = 123;
+	sb.st_gid = 456;
+	sb.st_rdev = 789;
+	sb.st_size = 4096;
+
+	root = fstree_mknode(&fs, NULL, "rootdir", 7, (void *)0x100, &sb);
+	assert(root->uid == sb.st_uid);
+	assert(root->gid == sb.st_gid);
+	assert(root->mode == sb.st_mode);
+	assert((char *)root->name >= (char *)root->payload);
+	assert((char *)root->data.dir >= (char *)root->payload);
+	assert(root->name >= (char *)(root->data.dir + 1));
+	assert(strcmp(root->name, "rootdir") == 0);
+	assert(root->data.dir->children == NULL);
+	assert(root->parent == NULL);
+	assert(root->next == NULL);
+
+	a = fstree_mknode(&fs, root, "adir", 4, (void *)0x100, &sb);
+	assert(a->parent == root);
+	assert(a->next == NULL);
+	assert(root->data.dir->children == a);
+	assert(root->parent == NULL);
+	assert(root->next == NULL);
+
+	b = fstree_mknode(&fs, root, "bdir", 4, (void *)0x100, &sb);
+	assert(a->parent == root);
+	assert(b->parent == root);
+	assert(root->data.dir->children == b);
+	assert(b->next == a);
+	assert(a->next == NULL);
+	assert(root->parent == NULL);
+	assert(root->next == NULL);
+
+	free(root);
+	free(a);
+	free(b);
+
+	return EXIT_SUCCESS;
+}