Denis Zharkov
4022982760
It's need to add synthetic argument (of type that user can't use) to constructors with default arguments to avoid clashing with real user's constructor having the same set of parameters and additional int's arguments.
36 lines
1017 B
Kotlin
36 lines
1017 B
Kotlin
open class A(val x: String = "abc", val y: String = "efg") {
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constructor(x: String, y: String, z: Int): this(x, y + "#" + z.toString()) {}
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override fun toString() = "$x#$y"
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}
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class B : A {
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constructor(x: String, y: String, z: Int): super(x, y + z.toString()) {}
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constructor(x: String = "xyz", y: String = "123") : super(x, y) {}
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constructor(x: Double): super(x.toString()) {}
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}
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fun box(): String {
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val a1 = A().toString()
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if (a1 != "abc#efg") return "fail1: $a1"
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val a2 = A("hij", "klm", 1).toString()
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if (a2 != "hij#klm#1") return "fail2: $a2"
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val a3 = A(x="xyz").toString()
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if (a3 != "xyz#efg") return "fail3: $a3"
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val b1 = B().toString()
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if (b1 != "xyz#123") return "fail4: $b1"
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val b2 = B("hij", "klm", 2).toString()
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if (b2 != "hij#klm2") return "fail5: $b2"
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val b3 = B(123.0).toString()
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if (b3 != "123.0#efg") return "fail6: $b3"
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val b4 = B(x="test").toString()
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if (b4 != "test#123") return "fail7: $b4"
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return "OK"
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}
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