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denoland-deno/core/error_builder_test.js
Aaron O'Mullan d21380728f
fix(core): error registration could pollute constructors (#10422)
Co-authored-by: Luca Casonato <lucacasonato@yahoo.com>
2021-05-03 17:30:41 +02:00

30 lines
661 B
JavaScript

const { core } = Deno;
class DOMException {
constructor(message, code) {
this.msg = message;
this.code = code;
}
}
core.registerErrorBuilder(
"DOMExceptionOperationError",
function DOMExceptionOperationError(msg) {
return new DOMException(msg, "OperationError");
},
);
try {
core.opSync("op_err", undefined, null);
throw new Error("op_err didn't throw!");
} catch (err) {
if (!(err instanceof DOMException)) {
throw new Error("err not DOMException");
}
if (err.msg !== "abc") {
throw new Error("err.message is incorrect");
}
if (err.code !== "OperationError") {
throw new Error("err.code is incorrect");
}
}