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26 lines
1.1 KiB
Kotlin
Vendored
26 lines
1.1 KiB
Kotlin
Vendored
fun charRange(x: Char?, y: Char) = x?.rangeTo(y)
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fun byteRange(x: Byte?, y: Byte) = x?.rangeTo(y)
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fun shortRange(x: Short?, y: Short) = x?.rangeTo(y)
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fun intRange(x: Int?, y: Int) = x?.rangeTo(y)
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fun longRange(x: Long?, y: Long) = x?.rangeTo(y)
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fun floatRange(x: Float?, y: Float) = x?.rangeTo(y)
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fun dougleRange(x: Double?, y: Double) = x?.rangeTo(y)
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inline fun <reified T, R> testSafeRange(x: T, y: T, expectStr: String, safeRange: (T?, T) -> R?) {
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val rNull = safeRange(null, y)
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assert (rNull == null) { "${T::class.simpleName}: Expected: null, got $rNull" }
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val rxy = safeRange(x, y)
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assert (rxy?.toString() == expectStr) { "${T::class.simpleName}: Expected: $expectStr, got $rxy" }
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}
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fun box(): String {
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testSafeRange('0', '1', "0..1", ::charRange)
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testSafeRange(0, 1, "0..1", ::byteRange)
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testSafeRange(0, 1, "0..1", ::shortRange)
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testSafeRange(0, 1, "0..1", ::intRange)
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testSafeRange(0L, 1L, "0..1", ::longRange)
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testSafeRange(0.0f, 1.0f, "0.0..1.0", ::floatRange)
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testSafeRange(0.0, 1.0, "0.0..1.0", ::dougleRange)
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return "OK"
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} |