tal/path: new module

[ccan] / ccan / tal / path / test / run-pushd.c

diff --git a/ccan/tal/path/test/run-pushd.c b/ccan/tal/path/test/run-pushd.c
new file mode 100644 (file)
index 0000000..dc3f2ea
--- /dev/null
+++ b/ccan/tal/path/test/run-pushd.c
@@ -0,0 +1,75 @@
+#include <ccan/tal/path/path.h>
+#include <ccan/tal/path/path.c>
+#include <ccan/tap/tap.h>
+
+int main(void)
+{
+       struct path_pushd *pd;
+       char path1[1024], path2[1024], *ctx = tal_strdup(NULL, "ctx");
+
+       /* This is how many tests you plan to run */
+       plan_tests(19);
+
+       /* Test pushd/popd */
+       if (!getcwd(path1, sizeof(path1)))
+               abort();
+
+       pd = path_pushd(NULL, "non-existent-dir");
+       ok1(errno == ENOENT);
+       ok1(!pd);
+
+       errno = -100;
+       pd = path_pushd(ctx, take(tal_strdup(ctx, "non-existent-dir")));
+       ok1(errno == ENOENT);
+       ok1(!pd);
+       ok1(!tal_first(ctx));
+
+       errno = -100;
+       pd = path_pushd(ctx, take(NULL));
+       ok1(!pd);
+       ok1(!tal_first(ctx));
+       ok1(errno == -100);
+
+       pd = path_pushd(ctx, "/tmp");
+       ok1(pd);
+       ok1(tal_parent(pd) == ctx);
+
+       if (!getcwd(path2, sizeof(path2)))
+               abort();
+
+       ok1(streq(path2, "/tmp"));
+       path_popd(pd);
+
+       if (!getcwd(path2, sizeof(path2)))
+               abort();
+       ok1(streq(path2, path1));
+
+       pd = path_pushd(ctx, take(tal_strdup(ctx, "/tmp")));
+       ok1(pd);
+       ok1(tal_parent(pd) == ctx);
+       path_popd(pd);
+       if (!getcwd(path2, sizeof(path2)))
+               abort();
+       ok1(streq(path2, path1));
+       ok1(!tal_first(ctx));
+
+       /* Without fchdir, we can't push a path which no longer exists. */
+       if (mkdir("run-pushd-dir", 0700) != 0)
+               abort();
+       if (chdir("run-pushd-dir") != 0)
+               abort();
+       if (rmdir("../run-pushd-dir") != 0)
+               abort();
+
+       pd = path_pushd(ctx, path1);
+#if HAVE_FCHDIR
+       ok1(pd);
+       ok1(path_popd(pd));
+#else
+       ok1(errno == ENOENT);
+       ok1(!pd);
+#endif
+       ok1(!tal_first(ctx));
+       tal_free(ctx);
+       return exit_status();
+}