Add imitation decrementExact to java.lang.Math

m3m0r7 · m3m0r7 · commit ec64bc64695a · 2019-04-04T23:24:22.000+09:00
diff --git a/src/Imitation/java/lang/Math.php b/src/Imitation/java/lang/Math.php
@@ -16,4 +16,16 @@ public static function abs($number)
     {
         return abs($number);
     }
+
+    /**
+     * This decrease 1 from parameters
+     *
+     * @see https://docs.oracle.com/javase/jp/8/docs/api/java/lang/Math.html#decrementExact-int-
+     * @param int $a
+     * @return int
+     */
+    public static function decrementExact($a)
+    {
+        return $a - 1;
+    }
 }
diff --git a/tests/ImitateJavaLangMathTest.php b/tests/ImitateJavaLangMathTest.php
@@ -0,0 +1,27 @@
+<?php
+namespace PHPJava\Tests;
+
+use PHPJava\Core\JavaArchive;
+use PHPUnit\Framework\TestCase;
+
+class ImitateJavaLangMathTest extends Base
+{
+    protected $fixtures = [
+        'ImitateJavaLangMathTest',
+    ];
+
+    public function testDecrementExact()
+    {
+        ob_start();
+        $this->initiatedJavaClasses['ImitateJavaLangMathTest']
+            ->getInvoker()
+            ->getStatic()
+            ->getMethods()
+            ->call(
+                'decrementExact',
+                1234
+            );
+        $value = (int) ob_get_clean();
+        $this->assertEquals(1233, $value);
+    }
+}
diff --git a/tests/fixtures/java/ImitateJavaLangMathTest.java b/tests/fixtures/java/ImitateJavaLangMathTest.java
@@ -0,0 +1,7 @@
+class ImitateJavaLangMathTest
+{
+    public static void decrementExact(int a)
+    {
+        System.out.println(Math.decrementExact(a));
+    }
+}

Original file line number	Diff line number	Diff line change
`@@ -16,4 +16,16 @@ public static function abs($number)`
`16`	`16`	`{`
`17`	`17`	`return abs($number);`
`18`	`18`	`}`
	`19`	`+`
	`20`	`+ /**`
	`21`	`+ * This decrease 1 from parameters`
	`22`	`+ *`
	`23`	`+ * @see https://docs.oracle.com/javase/jp/8/docs/api/java/lang/Math.html#decrementExact-int-`
	`24`	`+ * @param int $a`
	`25`	`+ * @return int`
	`26`	`+ */`
	`27`	`+ public static function decrementExact($a)`
	`28`	`+ {`
	`29`	`+ return $a - 1;`
	`30`	`+ }`
`19`	`31`	`}`