Add more PHPUnit tests

tests/SPC/GlobalFunctionsTest.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\Tests;
+
+use PHPUnit\Framework\TestCase;
+use SPC\exception\InterruptException;
+
+/**
+ * @internal
+ */
+class GlobalFunctionsTest extends TestCase
+{
+    public function testMatchPattern(): void
+    {
+        $this->assertEquals('abc', match_pattern('a*c', 'abc'));
+        $this->assertFalse(match_pattern('a*c', 'abcd'));
+    }
+
+    public function testFExec(): void
+    {
+        $this->assertEquals('abc', f_exec('echo abc', $out, $ret));
+        $this->assertEquals(0, $ret);
+        $this->assertEquals(['abc'], $out);
+    }
+
+    public function testPatchPointInterrupt(): void
+    {
+        $except = patch_point_interrupt(0);
+        $this->assertInstanceOf(InterruptException::class, $except);
+    }
+}