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Add unit test for std.fs.wasi.PreopenList

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This commit is contained in:
Jakub Konka 2020-06-11 23:00:02 +02:00
parent c7721bb368
commit 200f9ea6fb
1 changed files with 14 additions and 0 deletions
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14
lib/std/fs/wasi.zig
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@ -146,3 +146,17 @@ pub const PreopenList = struct {
return self.buffer.toOwnedSlice();
}
};
test "extracting WASI preopens" {
if (@import("builtin").os.tag != .wasi) return error.SkipZigTest;
var preopens = PreopenList.init(std.testing.allocator);
defer preopens.deinit();
try preopens.populate();
std.testing.expectEqual(@as(usize, 1), preopens.asSlice().len);
const preopen = preopens.find(".") orelse unreachable;
std.testing.expect(std.mem.eql(u8, ".", preopen.@"type".Dir));
std.testing.expectEqual(@as(usize, 3), preopen.fd);
}