[FIR] Support when exhaustiveness for java enum

The problem appear because for java enum its entries was represented by FirJavaField. To fix this FirEnumEntry was used #KT-39621 Fixed
2020-07-08 19:44:01 +03:00
parent 307871a050
commit dcae6f1415
17 changed files with 247 additions and 92 deletions
@@ -0,0 +1,60 @@
+// FILE: JavaEnum.java
+public enum JavaEnum {
+    A, B, C;
+
+    public int i = 0;
+}
+
+// FILE: main.kt
+fun test_1(e: JavaEnum) {
+    val a = when (e) {
+        JavaEnum.A -> 1
+        JavaEnum.B -> 2
+    }.<!UNRESOLVED_REFERENCE!>plus<!>(0)
+
+    val b = when (e) {
+        JavaEnum.A -> 1
+        JavaEnum.B -> 2
+        is String -> 3
+    }.<!UNRESOLVED_REFERENCE!>plus<!>(0)
+
+    val c = when (e) {
+        JavaEnum.A -> 1
+        JavaEnum.B -> 2
+        JavaEnum.C -> 3
+    }.plus(0)
+
+    val d = when (e) {
+        JavaEnum.A -> 1
+        else -> 2
+    }.plus(0)
+}
+
+fun test_2(e: JavaEnum?) {
+    val a = when (e) {
+        JavaEnum.A -> 1
+        JavaEnum.B -> 2
+        JavaEnum.C -> 3
+    }.<!UNRESOLVED_REFERENCE!>plus<!>(0)
+
+    val a = when (e) {
+        JavaEnum.A -> 1
+        JavaEnum.B -> 2
+        JavaEnum.C -> 3
+        null -> 4
+    }.plus(0)
+
+    val a = when (e) {
+        JavaEnum.A -> 1
+        JavaEnum.B -> 2
+        JavaEnum.C -> 3
+        else -> 4
+    }.plus(0)
+}
+
+fun test_3(e: JavaEnum) {
+    val a = when (e) {
+        JavaEnum.A, JavaEnum.B -> 1
+        JavaEnum.C -> 2
+    }.plus(0)
+}