| fun box(): String { | |
| return Z().test() | |
| } | |
| class Z { | |
| fun Double.test(a: Int, b: Long, c: () -> String): String { | |
| return "${this.toInt()}_${a}_${b}_${c()}" | |
| } | |
| fun test(): String { | |
| var invokeOrder = ""; | |
| val expectedResult = "1_0_1_L" | |
| val expectedInvokeOrder = "1_0_L" | |
| var l = 1L | |
| var i = 0 | |
| var result = 1.0.test(b = { invokeOrder += "1_"; l }(), a = { invokeOrder += "0_"; i }(), c = { invokeOrder += "L"; "L" }) | |
| if (invokeOrder != expectedInvokeOrder || result != expectedResult) return "fail 1: $invokeOrder != $expectedInvokeOrder or $result != $expectedResult" | |
| invokeOrder = ""; | |
| result = 1.0.test(b = { invokeOrder += "1_"; l }(), c = { invokeOrder += "L"; "L" }, a = { invokeOrder += "0_"; i }()) | |
| if (invokeOrder != expectedInvokeOrder || result != expectedResult) return "fail 2: $invokeOrder != $expectedInvokeOrder or $result != $expectedResult" | |
| invokeOrder = ""; | |
| result = 1.0.test(c = { invokeOrder += "L"; "L" }, b = { invokeOrder += "1_"; l }(), a = { invokeOrder += "0_"; i }()) | |
| if (invokeOrder != expectedInvokeOrder || result != expectedResult) return "fail 3: $invokeOrder != $expectedInvokeOrder or $result != $expectedResult" | |
| invokeOrder = ""; | |
| result = 1.0.test(a = { invokeOrder += "0_"; i }(), c = { invokeOrder += "L"; "L" }, b = { invokeOrder += "1_"; l }()) | |
| if (invokeOrder != "0_1_L" || result != expectedResult) return "fail 4: $invokeOrder != 0_1_L or $result != $expectedResult" | |
| return "OK" | |
| } | |
| } |