#vulnerable code 
                                @Test
    public void testTargetName() {
        assertEquals("Google Inc.:Google APIs:23", AndroidPlatform.valueOf("Google Inc.:Google APIs:23").getTargetName());
        assertEquals("Google Inc.:Google APIs:24", AndroidPlatform.valueOf("Google Inc.:Google APIs:24").getTargetName());
        assertEquals("Apple Inc.:Apple APIs:24", AndroidPlatform.valueOf("Apple Inc.:Apple APIs:24").getTargetName());
        assertEquals("android-23", AndroidPlatform.valueOf("android-23").getTargetName());
        assertEquals("android-24", AndroidPlatform.valueOf("android-24").getTargetName());
        assertEquals("android-26", AndroidPlatform.valueOf("android-26").getTargetName());
        assertEquals("android-10", AndroidPlatform.valueOf("2.3.3").getTargetName());
        assertEquals("android-26", AndroidPlatform.valueOf("8.0").getTargetName());
        assertEquals("android-26", AndroidPlatform.valueOf("26").getTargetName());
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                @Test
    public void testTargetName() {
        assertEquals("Some:Addon:11", AndroidPlatform.valueOf("Some:Addon:11").getTargetName());
        assertEquals("Google Inc.:Google APIs:23", AndroidPlatform.valueOf("Google Inc.:Google APIs:23").getTargetName());
        assertEquals("Google Inc.:Google APIs:24", AndroidPlatform.valueOf("Google Inc.:Google APIs:24").getTargetName());
        assertEquals("Apple Inc.:Apple APIs:24", AndroidPlatform.valueOf("Apple Inc.:Apple APIs:24").getTargetName());
        assertEquals("android-23", AndroidPlatform.valueOf("android-23").getTargetName());
        assertEquals("android-24", AndroidPlatform.valueOf("android-24").getTargetName());
        assertEquals("android-26", AndroidPlatform.valueOf("android-26").getTargetName());
        assertEquals("android-10", AndroidPlatform.valueOf("2.3.3").getTargetName());
        assertEquals("android-26", AndroidPlatform.valueOf("8.0").getTargetName());
        assertEquals("android-26", AndroidPlatform.valueOf("26").getTargetName());
    }