diff options
Diffstat (limited to 'tests/programs/file_drop.zc')
| -rw-r--r-- | tests/programs/file_drop.zc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/programs/file_drop.zc b/tests/programs/file_drop.zc new file mode 100644 index 0000000..0c0738a --- /dev/null +++ b/tests/programs/file_drop.zc @@ -0,0 +1,19 @@ +namespace; +// std.File: Host.open gives an owned file whose drop closes the descriptor at its block end (a write to it then writes nothing) +include rt, std; +fn main() { + int fd = 0 - 1; + { + std.File* f = std.Host.open("/tmp/zc-file-drop.txt", 1); + fd = f.fd; + rt.put_n(f.write("hello")); rt.put_c(' '); + rt.put_n(rt.syscall(rt.SYS_WRITE, fd, "!", 1)); rt.put_c(' '); + } + rt.put_n(rt.syscall(rt.SYS_WRITE, fd, "?", 1) <= 0); rt.put_c(' '); + char* s = rt.readfile("/tmp/zc-file-drop.txt"); + rt.put_s(s); rt.put_c(' '); + rt.free(s); + std.File* g = std.Host.open("/tmp/zc-no-such-dir/x", 1); + rt.put_n(g == 0); rt.put_c(10); + return 0; +} |
