branch: add test for git_branch_lookup to accept GIT_BRANCH_ALL

tests/refs/branches/lookup.c

@@ -20,20 +20,41 @@ void test_refs_branches_lookup__cleanup(void)
 	repo = NULL;
 }
 
-void test_refs_branches_lookup__can_retrieve_a_local_branch(void)
+void test_refs_branches_lookup__can_retrieve_a_local_branch_local(void)
 {
 	cl_git_pass(git_branch_lookup(&branch, repo, "br2", GIT_BRANCH_LOCAL));
 }
 
-void test_refs_branches_lookup__can_retrieve_a_remote_tracking_branch(void)
+void test_refs_branches_lookup__can_retrieve_a_local_branch_all(void)
+{
+	cl_git_pass(git_branch_lookup(&branch, repo, "br2", GIT_BRANCH_ALL));
+}
+
+void test_refs_branches_lookup__trying_to_retrieve_a_local_branch_remote(void)
+{
+	cl_git_fail(git_branch_lookup(&branch, repo, "br2", GIT_BRANCH_REMOTE));
+}
+
+void test_refs_branches_lookup__can_retrieve_a_remote_tracking_branch_remote(void)
 {
 	cl_git_pass(git_branch_lookup(&branch, repo, "test/master", GIT_BRANCH_REMOTE));
 }
 
+void test_refs_branches_lookup__can_retrieve_a_remote_tracking_branch_all(void)
+{
+	cl_git_pass(git_branch_lookup(&branch, repo, "test/master", GIT_BRANCH_ALL));
+}
+
+void test_refs_branches_lookup__trying_to_retrieve_a_remote_tracking_branch_local(void)
+{
+	cl_git_fail(git_branch_lookup(&branch, repo, "test/master", GIT_BRANCH_LOCAL));
+}
+
 void test_refs_branches_lookup__trying_to_retrieve_an_unknown_branch_returns_ENOTFOUND(void)
 {
 	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_lookup(&branch, repo, "where/are/you", GIT_BRANCH_LOCAL));
 	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_lookup(&branch, repo, "over/here", GIT_BRANCH_REMOTE));
+	cl_assert_equal_i(GIT_ENOTFOUND, git_branch_lookup(&branch, repo, "maybe/here", GIT_BRANCH_ALL));
 }
 
 void test_refs_branches_lookup__trying_to_retrieve_a_branch_with_an_invalid_name_returns_EINVALIDSPEC(void)
@@ -42,4 +63,6 @@ void test_refs_branches_lookup__trying_to_retrieve_a_branch_with_an_invalid_name
 		git_branch_lookup(&branch, repo, "are/you/inv@{id", GIT_BRANCH_LOCAL));
 	cl_assert_equal_i(GIT_EINVALIDSPEC,
 		git_branch_lookup(&branch, repo, "yes/i am", GIT_BRANCH_REMOTE));
+	cl_assert_equal_i(GIT_EINVALIDSPEC,
+		git_branch_lookup(&branch, repo, "inv al/id", GIT_BRANCH_ALL));
 }