Merge pull request #79 from Gottox/fix/tree-add-alternating-test

tree: add test for recursively alternating symlinks

test/tree/walker.c

@@ -75,6 +75,47 @@ walker_symlink_recursion(void) {
 	sqsh__archive_cleanup(&archive);
 }
 
+static void
+walker_symlink_alternating_recursion(void) {
+	int rv;
+	struct SqshArchive archive = {0};
+	uint8_t payload[] = {
+			/* clang-format off */
+			SQSH_HEADER,
+			/* inode */
+			[INODE_TABLE_OFFSET] = METABLOCK_HEADER(0, 1024),
+			INODE_HEADER(1, 0, 0, 0, 0, 1),
+			INODE_BASIC_DIR(0, 1024, 0, 0),
+			[INODE_TABLE_OFFSET+2+128] =
+			INODE_HEADER(3, 0, 0, 0, 0, 2),
+			INODE_BASIC_SYMLINK(4),
+			's', 'r', 'c', '2',
+			INODE_HEADER(3, 0, 0, 0, 0, 2),
+			INODE_BASIC_SYMLINK(4),
+			's', 'r', 'c', '1',
+			[DIRECTORY_TABLE_OFFSET] = METABLOCK_HEADER(0, 128),
+			DIRECTORY_HEADER(2, 0, 0),
+			DIRECTORY_ENTRY(128, 2, 3, 4),
+			's', 'r', 'c', '1',
+			DIRECTORY_ENTRY(128, 2, 3, 4),
+			's', 'r', 'c', '2',
+			[FRAGMENT_TABLE_OFFSET] = 0,
+			/* clang-format on */
+	};
+	mk_stub(&archive, payload, sizeof(payload));
+
+	struct SqshTreeWalker walker = {0};
+	rv = sqsh__tree_walker_init(&walker, &archive);
+	assert(rv == 0);
+
+	rv = sqsh_tree_walker_resolve(&walker, "src1", true);
+	assert(rv == -SQSH_ERROR_TOO_MANY_SYMLINKS_FOLLOWED);
+
+	sqsh__tree_walker_cleanup(&walker);
+	sqsh__archive_cleanup(&archive);
+
+}
+
 static void
 walker_symlink_open(void) {
 	int rv;
@@ -241,6 +282,7 @@ walker_uninitialized_down(void) {
 DECLARE_TESTS
 TEST(walker_symlink_open)
 TEST(walker_symlink_recursion)
+TEST(walker_symlink_alternating_recursion)
 TEST(walker_directory_enter)
 TEST(walker_uninitialized_down)
 TEST(walker_uninitialized_up)