Test that allowed_domain config option removes domains and subdomains from output.

-- Testcase --
import adb from 'adblock-fast';
import { readfile } from 'fs';
let ti = adb._test_internals;

adb.env.load_config();
ti.set_cfg('dns', 'dnsmasq.servers');
ti.set_cfg('dnsmasq_sanity_check', false);
ti.set_cfg('dnsmasq_validity_check', false);
ti.set_cfg('heartbeat_domain', null);
ti.set_cfg('config_update_enabled', false);
ti.set_cfg('update_config_sizes', false);
ti.set_cfg('allowed_domain', 'ad.doubleclick.test.example.com tracker.analytics.test.example.com');
ti.env.dns_set_output_values('dnsmasq.servers');
ti.append_urls();

let ok = ti.download_lists();
if (!ok) {
	print('download_lists failed\n');
} else {
	let content = readfile(ti.dns_output.file) || '';

	// These should be removed by allowed_domain
	let allowed = [
		'ad.doubleclick.test.example.com',
		'tracker.analytics.test.example.com',
	];
	// This should still be present
	let blocked = [
		'pixel.tracking.test.example.com',
		'beacon.metrics.test.example.com',
	];

	let results = [];
	for (let a in allowed) {
		// Check for block format "server=/domain/\n" — not allow format "server=/domain/#\n"
		let found = index(content, 'server=/' + a + '/\n') >= 0;
		push(results, sprintf('allowed %s: %s', a, found ? 'STILL PRESENT (BAD)' : 'REMOVED'));
	}
	for (let b in blocked) {
		let found = index(content, 'server=/' + b + '/\n') >= 0;
		push(results, sprintf('blocked %s: %s', b, found ? 'PRESENT' : 'MISSING'));
	}
	print(join('\n', results) + '\n');
}
-- End --

-- Expect stdout --
allowed ad.doubleclick.test.example.com: REMOVED
allowed tracker.analytics.test.example.com: REMOVED
blocked pixel.tracking.test.example.com: PRESENT
blocked beacon.metrics.test.example.com: PRESENT
-- End --