Ekdohibs
/
zig
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

std: add chdir smoke test

master
Jakub Konka 2020-11-18 15:28:25 +01:00
parent 64feae3ac3
commit 663e112773
2 changed files with 37 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
lib/std/os.zig
View File

@ -2312,11 +2312,7 @@ pub fn chdir(dir_path: []const u8) ChangeCurDirError!void {
var utf16_dir_path: [windows.PATH_MAX_WIDE]u16 = undefined;
const len = try std.unicode.utf8ToUtf16Le(utf16_dir_path[0..], dir_path);
if (len > utf16_dir_path.len) return error.NameTooLong;
windows.SetCurrentDirectory(utf16_dir_path[0..len]) catch |err| switch (err) {
error.NoDevice => return error.FileSystem,
else => |e| return e,
};
return chdirW(utf16_dir_path[0..len]);
} else {
const dir_path_c = try toPosixPath(dir_path);
return chdirZ(&dir_path_c);
@ -2328,7 +2324,10 @@ pub const chdirC = @compileError("deprecated: renamed to chdirZ");
/// Same as `chdir` except the parameter is null-terminated.
pub fn chdirZ(dir_path: [*:0]const u8) ChangeCurDirError!void {
if (builtin.os.tag == .windows) {
return chdir(mem.spanZ(dir_path));
var utf16_dir_path: [windows.PATH_MAX_WIDE]u16 = undefined;
const len = try std.unicode.utf8ToUtf16Le(utf16_dir_path[0..], dir_path);
if (len > utf16_dir_path.len) return error.NameTooLong;
return chdirW(utf16_dir_path[0..len]);
}
switch (errno(system.chdir(dir_path))) {
0 => return,
@ -2344,6 +2343,14 @@ pub fn chdirZ(dir_path: [*:0]const u8) ChangeCurDirError!void {
}
}
/// Windows-only. Same as `chdir` except the paramter is WTF16 encoded.
pub fn chdirW(dir_path: []const u16) ChangeCurDirError!void {
windows.SetCurrentDirectory(dir_path) catch |err| switch (err) {
error.NoDevice => return error.FileSystem,
else => |e| return e,
};
}
pub const FchdirError = error{
AccessDenied,
NotDir,

24
lib/std/os/test.zig
View File

@ -25,6 +25,30 @@ const tmpDir = std.testing.tmpDir;
const Dir = std.fs.Dir;
const ArenaAllocator = std.heap.ArenaAllocator;
test "chdir smoke test" {
if (builtin.os.tag == .wasi) return error.SkipZigTest;
// Get current working directory path
var old_cwd_buf: [fs.MAX_PATH_BYTES]u8 = undefined;
const old_cwd = try os.getcwd(old_cwd_buf[0..]);
{
// Firstly, changing to itself should have no effect
try os.chdir(old_cwd);
var new_cwd_buf: [fs.MAX_PATH_BYTES]u8 = undefined;
const new_cwd = try os.getcwd(new_cwd_buf[0..]);
expect(mem.eql(u8, old_cwd, new_cwd));
}
{
// Next, change current working directory to one level above
const parent = fs.path.dirname(old_cwd) orelse unreachable; // old_cwd should be absolute
try os.chdir(parent);
var new_cwd_buf: [fs.MAX_PATH_BYTES]u8 = undefined;
const new_cwd = try os.getcwd(new_cwd_buf[0..]);
expect(mem.eql(u8, parent, new_cwd));
}
}
test "open smoke test" {
if (builtin.os.tag == .wasi) return error.SkipZigTest;