KT-1977 Wrong 'unused expression' in catch

#KT-1977 fixed
2012-05-18 15:19:38 +04:00
parent ff2b190f2d
commit b49fa2ab82
2 changed files with 65 additions and 0 deletions
@@ -0,0 +1,51 @@
+package kt1977
+
+//KT-1977 Wrong 'unused expression' in catch
+fun strToInt(s : String) : Int? =
+try {
+    Integer.parseInt(s)
+} catch(e : NumberFormatException) {
+    null
+}
+
+//more tests
+fun test1(s : String) : Int? {
+    return try {
+        <!UNUSED_EXPRESSION!>88<!>
+        Integer.parseInt(s)
+        22
+    }
+    catch (e: NumberFormatException) {
+        44
+    }
+    finally {
+        <!UNUSED_EXPRESSION!>22<!>
+    }
+}
+
+fun test2(s : String) : Int? {
+    return try {
+        <!UNUSED_EXPRESSION!>88<!>
+        Integer.parseInt(s)
+        22
+    } finally {
+            <!UNUSED_FUNCTION_LITERAL!>{
+            (x : Int) -> x
+            }<!>
+    }
+}
+
+
+//KT-2015 False "Expression is unused" warnings
+fun foo() {
+    val <!UNUSED_VARIABLE!>i<!> : Int = try{
+        bar()
+        1
+    }
+    catch(e : Exception){
+        0
+    }
+}
+
+fun bar() {
+}