HaxeCheckstyle/haxe-checkstyle

package checkstyle.checks.coding;

class UnusedLocalVarCheckTest extends CheckTestCase<UnusedLocalVarCheckTests> {
    static inline var MSG_UNUSED_VAR_INDEX:String = "Unused local variable index";

    @Test
    public function testLocalVar() {
        var check = new UnusedLocalVarCheck();
        assertNoMsg(check, USED_INDEX);
        assertNoMsg(check, STRING_INTERPOLATION);
        assertNoMsg(check, MACRO);
    }

    @Test
    public function testUnusedLocalVar() {
        var check = new UnusedLocalVarCheck();
        assertMsg(check, UNUSED_INDEX, MSG_UNUSED_VAR_INDEX);
        assertMsg(check, UNUSED_INDEX2, MSG_UNUSED_VAR_INDEX);
        assertMsg(check, STRING_INTERPOLATION_UNUSED, MSG_UNUSED_VAR_INDEX);
        assertMsg(check, MACRO_UNUSED, MSG_UNUSED_VAR_INDEX);
    }
}

enum abstract UnusedLocalVarCheckTests(String) to String {
    var USED_INDEX = "
    abstractAndClass Test {
        function a() {
            var index:Int;
            index++;
        }
        @SuppressWarnings('checkstyle:UnusedLocalVar')
        function b() {
            var index:Int;
        }

        function c() {
            var index:Int;
            call(function() {
                index++;
            });
        }
    }";
    var UNUSED_INDEX = "
    abstractAndClass Test {
        // index
        @index
        public function a(index:String) {
            var index:Int;
        }
    }";
    var UNUSED_INDEX2 = "
    abstractAndClass Test {
        public function a() {
            call(function() {
                var index:Int;
            });
        }
    }";
    var STRING_INTERPOLATION = "
    abstractAndClass Test {
        function a() {
            var index:Int;
            var index2:Array<Int>;
            var index3:String;
            var index4:String;

            trace ('$index');
            trace ('${index2.toString()}');
            trace ('${Std.parseInt(index3)}');
            trace ('${index4}');
        }
    }";
    var STRING_INTERPOLATION_UNUSED = "
    abstractAndClass Test {
        function a() {
            var index:Int;

            trace ('index');
            trace ('$index2');
            trace ('${index2.toString()}');
            trace ('${Std.parseInt(index3)}');
            trace ('${index4}');
        }
    }";
    var MACRO = "
    abstractAndClass Test {
        function a() {
            var index:Int;
            var index2:Array<Int>;
            var index3:String;
            var index4:String;

            $index = 1;
            $v{index2};
            $i{index3};
            $a{index4};
        }
    }";
    var MACRO_UNUSED = "
    abstractAndClass Test {
        function a() {
            var index:Int;

            $v{index2};
            $i{index3};
            $a{index4};
        }
    }";
}