[Spec tests] Add tests for try-expression (paragraphs 1, 2, 5-9)

2019-12-13 15:59:33 +03:00
parent 3aa3f0c50c
commit e865327386
32 changed files with 1876 additions and 0 deletions
@@ -0,0 +1,66 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_VARIABLE -UNUSED_PARAMETER -FINAL_UPPER_BOUND
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, try-expression -> paragraph 8 -> sentence 1
+ * RELEVANT PLACES: expressions, try-expression -> paragraph 9 -> sentence 1
+ * NUMBER: 1
+ * DESCRIPTION: The type of the try-expression is the least upper bound of the types of the last expressions of the try body and the last expressions of all the catch blocks
+ */
+fun throwExceptionA(b: Boolean) = run { if (b) throw ExcA() }
+
+open class A<T>(var data: T) {
+    fun foo(d: A<T>) {}
+}
+
+class B<T>(data: T) : A<T>(data)
+
+// TESTCASE NUMBER: 1
+
+fun case1() {
+    val tryVal: B<String> =
+    <!TYPE_MISMATCH, TYPE_MISMATCH!>try {
+        throwExceptionA(false)
+        A("")
+    } catch (e: Exception) {
+        B("")
+    }<!>
+
+
+}
+
+// TESTCASE NUMBER: 2
+
+fun case2() {
+    val tryVal: A<String> =
+    <!TYPE_MISMATCH, TYPE_MISMATCH!>try {
+        throwExceptionA(false)
+        A("")
+    } catch (e: Exception) {
+        null
+    }<!>
+}
+
+/*
+ * TESTCASE NUMBER: 3
+ * UNEXPECTED BEHAVIOUR
+ * ISSUES: KT-35494
+ */
+fun case3() {
+    val tryVal: A<Int> =
+    <!TYPE_MISMATCH, TYPE_MISMATCH!>try {
+        throwExceptionA(false)
+        A(2)
+    } catch (e: ExcA) {
+        A(<!NULL_FOR_NONNULL_TYPE, NULL_FOR_NONNULL_TYPE!>null<!>) //diag duplication
+    } catch (e: ExcB) {
+        B(<!NULL_FOR_NONNULL_TYPE, NULL_FOR_NONNULL_TYPE!>null<!>) //diag duplication
+    }<!>
+}
+
+class ExcA() : Exception()
+class ExcB() : Exception()
@@ -0,0 +1,70 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (POSITIVE)
+ *
+ * SPEC VERSION: 0.1-218
+ * PLACE: expressions, try-expression -> paragraph 8 -> sentence 1
+ * RELEVANT PLACES: expressions, try-expression -> paragraph 9 -> sentence 1
+ * NUMBER: 1
+ * DESCRIPTION: The type of the try-expression is the least upper bound of the types of the last expressions of the try body and the last expressions of all the catch blocks
+ * HELPERS: checkType
+ */
+
+fun throwExceptionA(b: Boolean) = run { if (b) throw ExcA() }
+
+open class A<T>(var data: T) {}
+
+class B<T>(data: T) : A<T>(data)
+
+// TESTCASE NUMBER: 1
+
+fun case1() {
+    val tryVal =
+        try {
+            throwExceptionA(false)
+            A("")
+        } catch (e: Exception) {
+            B("")
+        }
+
+    <!DEBUG_INFO_EXPRESSION_TYPE("A<kotlin.String>")!>tryVal<!>
+    tryVal checkType { check<A<kotlin.String>>() }
+}
+
+// TESTCASE NUMBER: 2
+
+fun case2() {
+    val tryVal =
+        try {
+            throwExceptionA(false)
+            A("")
+        } catch (e: Exception) {
+            null
+        }
+    <!DEBUG_INFO_EXPRESSION_TYPE("A<kotlin.String>?")!>tryVal<!>
+    tryVal checkType { check<A<kotlin.String>?>() }
+
+}
+
+// TESTCASE NUMBER: 3
+
+fun case3() {
+    val tryVal =
+        try {
+            throwExceptionA(false)
+            A(2)
+        } catch (e: ExcA) {
+            A(0)
+        } catch (e: ExcB) {
+            B(null)
+        }
+
+    <!DEBUG_INFO_EXPRESSION_TYPE("A<out kotlin.Int?>")!>tryVal<!>
+    tryVal checkType { check<A<out kotlin.Int?>>() }
+}
+
+class ExcA() : Exception()
+class ExcB() : Exception()