Add non-numeric string test

Author: Girgias

ext/gmp/tests/overloading_with_non_numeric_string.phpt

@@ -0,0 +1,93 @@
+--TEST--
+GMP operator overloading does not support non-numeric strings
+--EXTENSIONS--
+gmp
+--FILE--
+<?php
+
+$num = gmp_init(42);
+
+try {
+    var_dump($num + "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+try {
+    var_dump($num - "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+try {
+    var_dump($num * "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+try {
+    var_dump($num / "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+try {
+    var_dump($num % "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+try {
+    var_dump($num ** "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+try {
+    var_dump($num | "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+try {
+    var_dump($num & "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+try {
+    var_dump($num ^ "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+try {
+    var_dump($num << "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+try {
+    var_dump($num >> "string");
+} catch (Throwable $e) {
+    echo $e::class, ': ', $e->getMessage(), PHP_EOL;
+}
+
+?>
+--EXPECT--
+ValueError: Number is not an integer string
+ValueError: Number is not an integer string
+ValueError: Number is not an integer string
+ValueError: Number is not an integer string
+ValueError: Number is not an integer string
+object(GMP)#3 (1) {
+  ["num"]=>
+  string(1) "1"
+}
+ValueError: Number is not an integer string
+ValueError: Number is not an integer string
+ValueError: Number is not an integer string
+object(GMP)#2 (1) {
+  ["num"]=>
+  string(2) "42"
+}
+object(GMP)#2 (1) {
+  ["num"]=>
+  string(2) "42"
+}