Dmitry Petrov
905a16e1df
As of Kotlin 1.0 and 1.1, expression 'a in x .. y' is considered equivalent to 'x.rangeTo(y).a', and should be evaluated in the following order: 1. x 2. y 3. a 4. compare x with a 5. compare y with a (if needed)
31 lines
625 B
Kotlin
Vendored
31 lines
625 B
Kotlin
Vendored
// WITH_RUNTIME
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val order = StringBuilder()
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inline fun expectOrder(at: String, expected: String, body: () -> Unit) {
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order.setLength(0)
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body()
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if (order.toString() != expected) throw AssertionError("$at: expected: $expected, actual: $order")
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}
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fun low(i: Int): Int {
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order.append("L")
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return i
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}
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fun high(i: Int): Int {
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order.append("H")
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return i
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}
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fun x(i: Int): Int {
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order.append("X")
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return i
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}
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fun box(): String {
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expectOrder("0 in 1 .. 3", "HLX") { x(0) in high(3) downTo low(1) }
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expectOrder("0 !in 1 .. 3", "HLX") { x(0) !in high(3) downTo low(1) }
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return "OK"
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} |