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When by enum:

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Generate TABLESWITCH/LOOKUPSWITCH bytecode command in case of "when" by enum entries
This commit is contained in:
Denis Zharkov
2014-07-15 19:55:39 +04:00
committed by Evgeny Gerashchenko
parent b2aa249817
commit 5a1c995b5c
29 changed files with 1059 additions and 12 deletions
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compiler/testData/codegen/boxWithStdlib/whenEnumOptimization/withoutElse.kt
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import kotlin.test.assertEquals
enum class Season {
WINTER
SPRING
SUMMER
AUTUMN
}
fun bar1(x : Season) : String {
when (x) {
Season.WINTER, Season.SPRING -> return "winter_spring"
Season.SPRING -> return "spring"
Season.SUMMER -> return "summer"
}
return "autumn"
}
fun bar2(x : Season) : String {
when (x) {
Season.WINTER, Season.SPRING -> return "winter_spring"
Season.SPRING -> return "spring"
Season.SUMMER -> return "summer"
Season.AUTUMN -> return "autumn"
}
return "fail unknown"
}
fun box() : String {
assertEquals("winter_spring", bar1(Season.WINTER))
assertEquals("winter_spring", bar1(Season.SPRING))
assertEquals("summer", bar1(Season.SUMMER))
assertEquals("autumn", bar1(Season.AUTUMN))
assertEquals("winter_spring", bar2(Season.WINTER))
assertEquals("winter_spring", bar2(Season.SPRING))
assertEquals("summer", bar2(Season.SUMMER))
assertEquals("autumn", bar2(Season.AUTUMN))
return "OK"
}