Igor Laevsky
31 lines
877 B
Kotlin
Vendored
31 lines
877 B
Kotlin
Vendored
// WITH_RUNTIME
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import kotlin.test.*
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fun check(x: Int, left: Int, right: Int): Boolean {
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val result = x in left..right
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val manual = x >= left && x <= right
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val range = left..right
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assertTrue(result == manual, "Failed: optimized === manual for $range")
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assertTrue(result == checkUnoptimized(x, range), "Failed: optimized === unoptimized for $range")
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return result
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}
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fun checkUnoptimized(x: Int, range: ClosedRange<Int>): Boolean {
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return x in range
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}
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fun box(): String {
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assertTrue(check(1, 0, 2))
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assertTrue(!check(1, -1, 0))
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assertTrue(!check(239, 239, 238))
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assertTrue(check(239, 238, 239))
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assertTrue(check(Int.MIN_VALUE, Int.MIN_VALUE, Int.MIN_VALUE))
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assertTrue(check(Int.MAX_VALUE, Int.MIN_VALUE, Int.MAX_VALUE))
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var value = 0
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assertTrue(++value in 1..1)
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assertTrue(++value !in 1..1)
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return "OK"
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}
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