Igor Laevsky
31 lines
905 B
Kotlin
Vendored
31 lines
905 B
Kotlin
Vendored
// WITH_RUNTIME
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import kotlin.test.*
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fun check(x: Long, left: Long, right: Long): 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: Long, range: ClosedRange<Long>): 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(1L, 0L, 2L))
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assertTrue(!check(1L, -1L, 0L))
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assertTrue(!check(239L, 239L, 238L))
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assertTrue(check(239L, 238L, 239L))
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assertTrue(check(Long.MIN_VALUE, Long.MIN_VALUE, Long.MIN_VALUE))
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assertTrue(check(Long.MAX_VALUE, Long.MIN_VALUE, Long.MAX_VALUE))
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var value = 0L
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assertTrue(++value in 1L..1L)
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assertTrue(++value !in 1L..1L)
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return "OK"
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}
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