Added some test cases

Author: SakiTakamachi

ext/standard/tests/math/round_gh12143_adjustment_result_digit.phpt

@@ -2,9 +2,54 @@
 Fix GH-12143: Improved handling of adjusting result digits
 --FILE--
 <?php
+echo "HALF_UP\n";
 var_dump(round(1.700000000000145, 13, PHP_ROUND_HALF_UP));
 var_dump(round(-1.700000000000145, 13, PHP_ROUND_HALF_UP));
+var_dump(round(123456789012344.5, -1, PHP_ROUND_HALF_UP));
+var_dump(round(-123456789012344.5, -1, PHP_ROUND_HALF_UP));
+echo "\n";
+
+echo "HALF_DOWN\n";
+var_dump(round(1.700000000000156, 13, PHP_ROUND_HALF_DOWN));
+var_dump(round(-1.700000000000156, 13, PHP_ROUND_HALF_DOWN));
+var_dump(round(123456789012345.6, -1, PHP_ROUND_HALF_DOWN));
+var_dump(round(-123456789012345.7, -1, PHP_ROUND_HALF_DOWN));
+echo "\n";
+
+echo "HALF_EVEN\n";
+var_dump(round(1.700000000000255, 13, PHP_ROUND_HALF_EVEN));
+var_dump(round(-1.700000000000255, 13, PHP_ROUND_HALF_EVEN));
+var_dump(round(12345678901234.55, 0, PHP_ROUND_HALF_EVEN));
+var_dump(round(-12345678901234.55, 0, PHP_ROUND_HALF_EVEN));
+echo "\n";
+
+echo "HALF_ODD\n";
+var_dump(round(1.700000000000756, 13, PHP_ROUND_HALF_ODD));
+var_dump(round(-1.700000000000757, 13, PHP_ROUND_HALF_ODD));
+var_dump(round(12345678901233.56, 0, PHP_ROUND_HALF_ODD));
+var_dump(round(-12345678901233.56, 0, PHP_ROUND_HALF_ODD));
 ?>
 --EXPECT--
+HALF_UP
 float(1.7000000000001)
 float(-1.7000000000001)
+float(123456789012340)
+float(-123456789012340)
+
+HALF_DOWN
+float(1.7000000000001)
+float(-1.7000000000001)
+float(123456789012340)
+float(-123456789012340)
+
+HALF_EVEN
+float(1.7000000000002)
+float(-1.7000000000002)
+float(12345678901234)
+float(-12345678901234)
+
+HALF_ODD
+float(1.7000000000007)
+float(-1.7000000000007)
+float(12345678901233)
+float(-12345678901233)