Provide test for bug #62477

ext/spl/tests/bug62477.phpt

@@ -0,0 +1,62 @@
+--TEST--
+Bug #62477 (Problem LimitIterator, argument Offset only Integers)
+--CREDIT--
+KCPHPUG TestFest 2017 - Eric Poe
+--FILE--
+<?php
+declare(strict_types=1);
+
+class Combinator implements SeekableIterator 
+{
+    /** @var float */
+    private $_n = 0.0;
+
+    public function next()
+    {
+        $this->_n++;
+    }
+
+    public function rewind()
+    {
+        $this->_n = 0;
+    }
+
+    public function current() : float
+    {
+        return $this->_n;
+    }
+
+    public function key() {}
+
+    public function valid() : bool
+    {
+        return $this->_n < 10000000000000000000;
+    }
+
+    public function seek($pos)
+    {
+        $this->_n = $pos;
+    }
+}
+$comb = new Combinator();
+$float = 10000000000;
+
+$limitIteratorFloatSeek = [];
+foreach (new limitIterator($comb, $float, 3) as $current) {
+    $limitIteratorFloatSeek[] = $current;
+}
+
+$controlGroup = [];
+for ($comb->seek($float); $comb->current() < ($float + 3) && $comb->valid(); $comb->next()) {
+    $controlGroup[] = $comb->current();
+}
+
+foreach ($limitIteratorFloatSeek as $item) {
+    echo in_array($item, $controlGroup) ? "same" : "not same";
+    echo PHP_EOL;
+}
+?>
+--EXPECT--
+same
+same
+same