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#include "clar_libgit2.h"

#include "posix.h"

/* Test that reading and writing a tree is a no-op */

void test_index_read_tree__read_write_involution(void)

{

git_repository *repo;

git_index *index;

git_oid tree_oid;

git_tree *tree;

git_oid expected;

p_mkdir("read_tree", 0700);

cl_git_pass(git_repository_init(&repo, "./read_tree", 0));

cl_git_pass(git_repository_index(&index, repo));

cl_assert(git_index_entrycount(index) == 0);

p_mkdir("./read_tree/abc", 0700);

/* Sort order: '-' < '/' < '_' */

cl_git_mkfile("./read_tree/abc-d", NULL);

cl_git_mkfile("./read_tree/abc/d", NULL);

cl_git_mkfile("./read_tree/abc_d", NULL);

cl_git_pass(git_index_add_bypath(index, "abc-d"));

cl_git_pass(git_index_add_bypath(index, "abc_d"));

cl_git_pass(git_index_add_bypath(index, "abc/d"));

/* write-tree */

cl_git_pass(git_index_write_tree(&expected, index));

/* read-tree */

git_tree_lookup(&tree, repo, &expected);

cl_git_pass(git_index_read_tree(index, tree));

git_tree_free(tree);

cl_git_pass(git_index_write_tree(&tree_oid, index));

cl_assert_equal_oid(&expected, &tree_oid);

git_index_free(index);

git_repository_free(repo);

cl_fixture_cleanup("read_tree");

}