Diffusion Ant (master) Code

ant/tests/test_suppressed_error_symbols.cjs
201d063fe28amaster

test_suppressed_error_symbols.cjs
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			function assert(condition, message) {
			if (!condition) throw new Error(message);
			}

			assert(typeof Symbol.dispose === "symbol", "Symbol.dispose exists");
			assert(typeof Symbol.asyncDispose === "symbol", "Symbol.asyncDispose exists");
			assert(Symbol.dispose.description === "Symbol.dispose", "Symbol.dispose description");
			assert(Symbol.asyncDispose.description === "Symbol.asyncDispose", "Symbol.asyncDispose description");

			const error = new Error("inner");
			const suppressed = new TypeError("outer");
			const err = new SuppressedError(error, suppressed, "cleanup failed");

			assert(err instanceof SuppressedError, "instanceof SuppressedError");
			assert(err instanceof Error, "instanceof Error");
			assert(Error.isError(err), "Error.isError recognizes SuppressedError");
			assert(err.name === "SuppressedError", "name is SuppressedError");
			assert(err.message === "cleanup failed", "message is set");
			assert(err.error === error, "error field is set");
			assert(err.suppressed === suppressed, "suppressed field is set");
			assert(typeof err.stack === "string", "stack is captured");

			const called = SuppressedError(error, suppressed);
			assert(called instanceof SuppressedError, "SuppressedError is callable");
			assert(called.error === error, "callable error field");
			assert(called.suppressed === suppressed, "callable suppressed field");

			console.log("SuppressedError and dispose symbol tests completed!");

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