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test: add test case for fetch throwing TypeError on network errors

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sjhddh
2026-03-15 07:26:18 +00:00
parent 56d3cf51e8
commit 4d60f56e66
2 changed files with 13 additions and 3 deletions
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12
src/browser/tests/net/fetch.html
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@@ -203,3 +203,15 @@
testing.expectEqual(true, response.body !== null);
});
</script>
<script id=error>
testing.async(async (restore) => {
try {
await fetch('http://198.51.100.1:0');
testing.expectTrue(false); // force failure
} catch (err) {
restore();
testing.expectTrue(err instanceof TypeError)
}
});
</script>

4
src/browser/webapi/net/Fetch.zig
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@@ -193,9 +193,7 @@ fn httpErrorCallback(ctx: *anyopaque, err: anyerror) void {
defer ls.deinit();
// fetch() must reject with a TypeError on network errors per spec
const err_handle = ls.local.isolate.createTypeError("Failed to fetch");
const err_val = js.Value{ .local = ls.local, .handle = err_handle };
ls.toLocal(self._resolver).reject("fetch error", err_val);
ls.toLocal(self._resolver).rejectError("fetch error", .{ .type_error = @errorName(err) });
}
fn httpShutdownCallback(ctx: *anyopaque) void {