BP_GOPP_Image_Editor_GS::test( array $args = array() )

	public static function test( $args = array() ) {
		// Ensure given 'mime_type' arg, as if not _wp_image_editor_choose() won't call supports_mime_type() subsequently
		// and will return this as a supporting implementation, which is probably not what callers expect.
		if ( ! isset( $args['mime_type'] ) ) {
			return false;
		}

		// Check that exec() is (probably) available and we're not in safe_mode.
		if ( ! function_exists( 'exec' ) || ini_get( 'safe_mode' ) ) {
			return false;
		}

		// Must have path to Ghostscript executable.
		if ( ! self::gs_cmd_path() ) {
			return false;
		}

		// No manipulation supported - dedicated to producing JPEG preview.
		if ( isset( $args['methods'] ) ) {
			$unsupported_methods = array( 'resize', 'multi_resize', 'crop', 'rotate', 'flip', 'stream' );
			if ( array_intersect( $unsupported_methods, $args['methods'] ) ) {
				return false;
			}
		}

		// Do strict file name check if given path.
		if ( isset( $args['path'] ) && true !== self::gs_valid( $args['path'], true /*no_read_check*/ ) ) {
			return false;
		}

		return true;
	}