FIR: Adjust testData for spec tests: expressions

compiler/tests-spec/testData/diagnostics/linked/expressions/prefix-expressions/prefix-decrement-expression/p-4/neg/1.1.fir.kt

@@ -0,0 +1,44 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_VARIABLE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-213
+ * PLACE: expressions, prefix-expressions, prefix-decrement-expression -> paragraph 4 -> sentence 1
+ * RELEVANT PLACES: statements, assignments -> paragraph 3 -> sentence 2
+ * NUMBER: 1
+ * DESCRIPTION: check unsafe prefix decrement expression call for an assignable expression
+ */
+class A() {
+    var i = 0
+
+    operator fun dec(): A {
+        this.i--
+        return this
+    }
+}
+
+// TESTCASE NUMBER: 1
+
+fun case1() {
+    var b: Case1? = Case1()
+    <!AMBIGUITY!>--<!>b?.a
+}
+
+
+class Case1() {
+    var a: A = A()
+}
+
+// TESTCASE NUMBER: 2
+
+fun case2() {
+    var b= Case2()
+    --b.a
+}
+
+class Case2() {
+    val a = A()
+}

compiler/tests-spec/testData/diagnostics/linked/expressions/prefix-expressions/prefix-decrement-expression/p-5/neg/2.1.fir.kt

@@ -0,0 +1,47 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_VARIABLE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-213
+ * PLACE: expressions, prefix-expressions, prefix-decrement-expression -> paragraph 5 -> sentence 2
+ * NUMBER: 1
+ * DESCRIPTION: check as the result of dec is assigned to A, the return type of inc must be a subtype of A.
+ */
+
+// TESTCASE NUMBER: 1
+
+fun case1() {
+    var a = Case1()
+    val res: Any? = ++a
+}
+
+
+class Case1() {
+
+    operator fun inc(): B {
+        TODO()
+    }
+}
+
+class B() {}
+
+// TESTCASE NUMBER: 2
+
+fun case2() {
+    var a = Case2()
+    val res: Any? = ++a
+}
+
+class Case2() : C() {
+    var i = 0
+
+    operator fun inc(): C {
+        TODO()
+    }
+
+}
+
+open class C() {}

compiler/tests-spec/testData/diagnostics/linked/expressions/prefix-expressions/prefix-increment-expression/p-4/neg/1.1.fir.kt

@@ -0,0 +1,44 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_VARIABLE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-213
+ * PLACE: expressions, prefix-expressions, prefix-increment-expression -> paragraph 4 -> sentence 1
+ * RELEVANT PLACES: statements, assignments -> paragraph 3 -> sentence 2
+ * NUMBER: 1
+ * DESCRIPTION: check unsafe prefix increment expression call for an assignable expression
+ */
+class A() {
+    var i = 0
+
+    operator fun inc(): A {
+        this.i++
+        return this
+    }
+}
+
+// TESTCASE NUMBER: 1
+
+fun case1() {
+    var b: Case1? = Case1()
+    <!AMBIGUITY!>++<!>b?.a
+}
+
+
+class Case1() {
+    var a: A = A()
+}
+
+// TESTCASE NUMBER: 2
+
+fun case2() {
+    var b= Case2()
+    ++b.a
+}
+
+class Case2() {
+    val a = A()
+}

compiler/tests-spec/testData/diagnostics/linked/expressions/prefix-expressions/prefix-increment-expression/p-5/neg/2.1.fir.kt

@@ -0,0 +1,47 @@
+// !LANGUAGE: +NewInference
+// !DIAGNOSTICS: -UNUSED_VARIABLE -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER -UNUSED_EXPRESSION
+// SKIP_TXT
+
+/*
+ * KOTLIN DIAGNOSTICS SPEC TEST (NEGATIVE)
+ *
+ * SPEC VERSION: 0.1-213
+ * PLACE: expressions, prefix-expressions, prefix-increment-expression -> paragraph 5 -> sentence 2
+ * NUMBER: 1
+ * DESCRIPTION: check as the result of inc is assigned to A, the return type of inc must be a subtype of A.
+ */
+
+// TESTCASE NUMBER: 1
+
+fun case1() {
+    var a = Case1()
+    val res: Any? = --a
+}
+
+
+class Case1() {
+
+    operator fun dec(): B {
+        TODO()
+    }
+}
+
+class B() {}
+
+// TESTCASE NUMBER: 2
+
+fun case2() {
+    var a = Case2()
+    val res: Any? = --a
+}
+
+class Case2() : C() {
+    var i = 0
+
+    operator fun dec(): C {
+        TODO()
+    }
+
+}
+
+open class C() {}