CFA: additional jumps to catch / finally generated in the end of try / before exits from try #KT-5469 Fixed

Also #KT-13612 Fixed (cherry picked from commit 7c188b3)
2016-04-20 17:34:19 +03:00
parent 43954699a7
commit f8039249c6
28 changed files with 638 additions and 89 deletions
@@ -0,0 +1,102 @@
+// KT-13612 related tests (reassignment in try-catch-finally)
+
+fun f1() {
+    val n: Int
+    try {
+        <!UNUSED_VALUE!>n =<!> 1
+        throw Exception()
+    }
+    catch (e: Exception) {
+        // KT-13612: reassignment
+        <!VAL_REASSIGNMENT!>n<!> = 2
+    }
+    n.hashCode()
+}
+
+fun f2() {
+    val <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>n<!>: Int
+    try {
+        <!UNUSED_VALUE!>n =<!> 1
+        throw Exception()
+    }
+    finally {
+        <!UNUSED_VALUE!><!VAL_REASSIGNMENT!>n<!> =<!> 2
+    }
+    <!UNREACHABLE_CODE!>n.hashCode()<!>
+}
+
+fun g1(flag: Boolean) {
+    val n: Int
+    try {
+        if (flag) throw Exception()
+        n = 1
+    }
+    catch (e: Exception) {
+        // KT-13612: ? reassignment or definite assignment ?
+        <!VAL_REASSIGNMENT!>n<!> = 2
+    }
+    n.hashCode()
+}
+
+fun g2(flag: Boolean) {
+    val n: Int
+    try {
+        if (flag) throw Exception()
+        <!UNUSED_VALUE!>n =<!> 1
+    }
+    finally {
+        <!VAL_REASSIGNMENT!>n<!> = 2
+    }
+    n.hashCode()
+}
+
+fun h1(flag: Boolean) {
+    val n = try {
+        if (flag) throw Exception()
+        1
+    }
+    catch (e: Exception) {
+        2
+    }
+    n.hashCode()
+}
+
+fun h2(flag: Boolean) {
+    val n = try {
+        if (flag) throw Exception()
+        1
+    }
+    finally {
+        <!UNUSED_EXPRESSION!>2<!>
+    }
+    n.hashCode()
+}
+
+fun j(flag: Boolean) {
+    if (flag) throw Exception()
+}
+
+fun k1(flag: Boolean) {
+    val n: Int
+    try {
+        n = 1
+        j(flag)
+    }
+    catch (e: Exception) {
+        // KT-13612: reassignment
+        <!VAL_REASSIGNMENT!>n<!> = 2
+    }
+    n.hashCode()
+}
+
+fun k2(flag: Boolean) {
+    val n: Int
+    try {
+        <!UNUSED_VALUE!>n =<!> 1
+        j(flag)
+    }
+    finally {
+        <!VAL_REASSIGNMENT!>n<!> = 2
+    }
+    n.hashCode()
+}