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36 lines
916 B
Kotlin
Vendored
36 lines
916 B
Kotlin
Vendored
class A() {
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var x = 0
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}
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fun A.plusAssign(y: Int) { x += y }
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fun A.minusAssign(y: Int) { x -= y }
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fun A.timesAssign(y: Int) { x *= y }
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fun A.divAssign(y: Int) { x /= y }
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fun A.modAssign(y: Int) { x %= y }
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fun box(): String {
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val original = A()
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val a = original
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a += 1
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if (!(a identityEquals original)) return "Fail 1: $a !== $original"
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if (a.x != 1) return "Fail 2: ${a.x} != 1"
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a -= 2
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if (!(a identityEquals original)) return "Fail 3: $a !== $original"
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if (a.x != -1) return "Fail 4: ${a.x} != -1"
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a *= -10
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if (!(a identityEquals original)) return "Fail 5: $a !== $original"
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if (a.x != 10) return "Fail 6: ${a.x} != 10"
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a /= 3
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if (!(a identityEquals original)) return "Fail 7: $a !== $original"
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if (a.x != 3) return "Fail 8: ${a.x} != 3"
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a %= 2
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if (!(a identityEquals original)) return "Fail 9: $a !== $original"
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if (a.x != 1) return "Fail 10: ${a.x} != 1"
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return "OK"
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} |