public function test_integer_with_range() { $count = 10000; $buckets = array_fill(100, 101, 0); for ($i = 0; $i < $count; $i++) { $number = PHPRandom::getInteger(100, 200); $this->assertEquals(true, isset($buckets[$number])); $buckets[$number]++; } $distribution = 0; for ($i = 100; $i < 200; $i++) { if ($buckets[$i] > $count / 100 * 0.5) { $distribution++; } if ($buckets[$i] < $count / 100 * 1.5) { $distribution++; } } $this->assertGreaterThan(100, $distribution); }