Add various tests for DFA testing

2019-02-14 12:36:51 +03:00
parent 15e3482eec
commit 86bb5d689d
146 changed files with 31180 additions and 8508 deletions
@@ -0,0 +1,105 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_EXPRESSION -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_PARAMETER -UNUSED_VARIABLE -UNUSED_VALUE -VARIABLE_WITH_REDUNDANT_INITIALIZER
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS NOT LINKED SPEC TEST (POSITIVE)
+ *
+ * SECTIONS: dfa
+ * NUMBER: 64
+ * DESCRIPTION: Raw data flow analysis test
+ * HELPERS: classes, objects, typealiases, functions, enumClasses, interfaces, sealedClasses
+ */
+
+/*
+ * TESTCASE NUMBER: 1
+ * UNEXPECTED BEHAVIOUR
+ * ISSUES: KT-16373
+ */
+class Case1<T> {
+    fun getT(): T = TODO()
+    fun getTN(): T? = null
+
+    fun get(): T {
+        var x = getTN()
+        if (x == null) {
+            x = getT()
+        }
+        <!DEBUG_INFO_EXPRESSION_TYPE("T?")!>x<!>
+        return <!TYPE_MISMATCH!>x<!>
+    }
+}
+
+// TESTCASE NUMBER: 2
+class Case2 {
+    fun getInt(): Int = 10
+    fun getIntN(): Int? = null
+
+    fun get(): Int {
+        var x = getIntN()
+        if (x == null) {
+            x = getInt()
+        }
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int & kotlin.Int?")!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int & kotlin.Int?"), DEBUG_INFO_SMARTCAST!>x<!>.equals(10)
+        return <!DEBUG_INFO_SMARTCAST!>x<!>
+    }
+}
+
+/*
+ * TESTCASE NUMBER: 3
+ * UNEXPECTED BEHAVIOUR
+ * ISSUES: KT-16373
+ */
+class Case3<T> {
+    fun getT(): T = TODO()
+    fun getTN(): T? = null
+
+    fun get(): T {
+        var x = getTN()
+        x = x ?: getT()
+        <!DEBUG_INFO_EXPRESSION_TYPE("T?")!>x<!>
+        return <!TYPE_MISMATCH!>x<!>
+    }
+}
+
+// TESTCASE NUMBER: 4
+class Case4 {
+    fun getInt(): Int = 10
+    fun getIntN(): Int? = null
+
+    fun get(): Int {
+        var x = getIntN()
+        x = x ?: getInt()
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int & kotlin.Int?")!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int & kotlin.Int?"), DEBUG_INFO_SMARTCAST!>x<!>.equals(10)
+        return <!DEBUG_INFO_SMARTCAST!>x<!>
+    }
+}
+
+// TESTCASE NUMBER: 5
+class Case5<T> {
+    fun getT(): T = TODO()
+    fun getTN(): T? = null
+
+    fun get(): T {
+        var x = getTN()
+        x = if (x == null) getT() else <!DEBUG_INFO_SMARTCAST!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("T & T?")!>x<!>
+        return <!DEBUG_INFO_SMARTCAST!>x<!>
+    }
+}
+
+// TESTCASE NUMBER: 6
+class Case6 {
+    fun getInt(): Int = 10
+    fun getIntN(): Int? = null
+
+    fun get(): Int {
+        var x = getIntN()
+        x = if (x == null) getInt() else <!DEBUG_INFO_SMARTCAST!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int & kotlin.Int?")!>x<!>
+        <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int & kotlin.Int?"), DEBUG_INFO_SMARTCAST!>x<!>.equals(10)
+        return <!DEBUG_INFO_SMARTCAST!>x<!>
+    }
+}