}

function validateCliArgs(argv: string[]): void {

const seenSingleValueFlags = new Set<string>();

for (let index = 0; index < argv.length; index += 1) {

const arg = argv[index] ?? "";

if (BOOLEAN_FLAGS.has(arg)) {

continue;

}

if (VALUE_FLAGS.has(arg)) {

if (arg !== "--case") {

if (seenSingleValueFlags.has(arg)) {

throw new CliArgumentError(`${arg} was provided more than once`);

}

seenSingleValueFlags.add(arg);

}

readRequiredFlagValue(argv, index, arg);

index += 1;

continue;

expect(() => testing.parseOptions(["--case", "default", "--case", "default"])).toThrow(

'Duplicate --case "default"',

);

expect(() =>

testing.parseOptions(["--output", "first.json", "--output", "second.json"]),

).toThrow("--output was provided more than once");

expect(() => testing.resolveEntry("--inspect")).toThrow(/must be a file path/u);

});