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KT-234 Force when() expressions to have an 'else' branch

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KT-973 Unreachable code
This commit is contained in:
svtk
2012-01-18 13:31:42 +04:00
parent 94e3cc9976
commit becd713111
23 changed files with 175 additions and 50 deletions
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compiler/testData/diagnostics/tests/controlStructures/kt786.jet
+5 -5
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@@ -6,19 +6,19 @@ fun foo() : Int {
var z = 0
when(d) {
is 5, is 3 -> <!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY, UNUSED_CHANGED_VALUE!>z++<!>
<!ELSE_MISPLACED_IN_WHEN!>else -> { <!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>z = <!UNUSED_VALUE!>-1000<!><!> }<!>
return z -> <!UNREACHABLE_CODE!>34<!>
<!ELSE_MISPLACED_IN_WHEN!>else<!> -> { <!NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY!>z = <!UNUSED_VALUE!>-1000<!><!> }
<!UNREACHABLE_CODE!>return z -> 34<!>
}
}
//test unreachable code
fun fff(): Int {
var d = 3
when(d) {
<!NO_ELSE_IN_WHEN!>when<!>(d) {
is 4 -> 21
return 2 -> <!UNREACHABLE_CODE!>return 47<!>
<!UNREACHABLE_CODE!>bar()<!> -> <!UNREACHABLE_CODE!>45<!>
<!UNREACHABLE_CODE!>444<!> -> <!UNREACHABLE_CODE!>true<!>
<!UNREACHABLE_CODE!>bar() -> 45<!>
<!UNREACHABLE_CODE!>444 -> true<!>
}
return 34
}