[FIR] Add regression tests for number of issues fixed in K2

List of issues: KT-4113, KT-6822, KT-7389, KT-17817, KT-20223 KT-21463, KT-24503, KT-24737, KT-24779, KT-24901 KT-27261, KT-28668, KT-30497, KT-30756, KT-36958 KT-37365, KT-37490, KT-38288, KT-41038, KT-41721 KT-42136, KT-42169, KT-42449, KT-42715, KT-43553 KT-43603, KT-43846, KT-43936, KT-46288, KT-46301 KT-47373, KT-47484, KT-47490, KT-47495, KT-47750 KT-47815, KT-47870, KT-48975, KT-49024, KT-49045 KT-50134, KT-50160, KT-50550, KT-51045, KT-51143 KT-51796, KT-52262, KT-52424, KT-52860, KT-52934 KT-53086, KT-53494, KT-53671, KT-53752, KT-53819 KT-54478, KT-54518, KT-54931, KT-54990, KT-55138 KT-55379, KT-55555, KT-56243
2023-02-10 11:31:10 +02:00
parent 8ae5213155
commit aef9b129d2
129 changed files with 4253 additions and 0 deletions
@@ -0,0 +1,23 @@
+FILE: assignToBoundSmartcastedVariable.kt
+    public abstract interface A : R|kotlin/Any| {
+    }
+    public abstract interface B : R|kotlin/Any| {
+        public abstract fun fooB(x: R|kotlin/Int|): R|kotlin/String|
+
+    }
+    public final class Foo : R|kotlin/Any| {
+        public constructor(): R|Foo| {
+            super<R|kotlin/Any|>()
+        }
+
+    }
+    public final fun test(ab: R|A|): R|kotlin/Unit| {
+        when () {
+            (R|<local>/ab| is R|B|) ->  {
+                lvar z: R|it(B & A)| = R|/id|<R|it(B & A)|>(R|<local>/ab|)
+                R|<local>/z| = R|/Foo.Foo<CS errors: /Foo.Foo>#|()
+                R|<local>/z|.R|/B.fooB|(Int(1))
+            }
+        }
+
+    }
@@ -0,0 +1,17 @@
+// ISSUE: KT-53752
+// INFERENCE_HELPERS
+
+interface A
+interface B {
+    fun fooB(x: Int): String
+}
+
+class Foo
+
+fun test(ab: A) {
+    if (ab is B) {
+        var z = id(ab) // materialize smartcast
+        z = <!ASSIGNMENT_TYPE_MISMATCH!>Foo()<!> // unsafe assignment
+        z.fooB(1)
+    }
+}
@@ -0,0 +1,28 @@
+FILE: boundSmartcastWithProjection.kt
+    public final class Inv<T> : R|kotlin/Any| {
+        public constructor<T>(data: R|T|): R|Inv<T>| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final val data: R|T| = R|<local>/data|
+            public get(): R|T|
+
+    }
+    public final fun test1(x: R|Inv<out kotlin/String?>|): R|kotlin/Unit| {
+        lval y: R|kotlin/String?| = R|<local>/x|.R|SubstitutionOverride</Inv.data: R|CapturedType(out kotlin/String?)|>|
+        when (R|<local>/y|) {
+            ($subj$ is R|kotlin/String|) ->  {
+                R|<local>/x|.R|SubstitutionOverride</Inv.data: R|CapturedType(out kotlin/String?)|>|.R|kotlin/String.length|
+            }
+        }
+
+    }
+    public final fun test2(x: R|Inv<out kotlin/Any?>|): R|kotlin/Unit| {
+        lval y: R|kotlin/Any?| = R|<local>/x|.R|SubstitutionOverride</Inv.data: R|CapturedType(out kotlin/Any?)|>|
+        when (R|<local>/y|) {
+            ($subj$ is R|kotlin/String|) ->  {
+                R|<local>/x|.R|SubstitutionOverride</Inv.data: R|CapturedType(out kotlin/Any?)|>|.R|kotlin/String.length|
+            }
+        }
+
+    }
@@ -0,0 +1,17 @@
+// ISSUE: KT-24779
+
+class Inv<T>(val data: T)
+
+fun test1(x: Inv<out String?>) {
+    val y = x.data
+    when (y) {
+        is String -> x.data.length // Smart cast: x.data is String
+    }
+}
+
+fun test2(x: Inv<out Any?>) {
+    val y = x.data
+    when (y) {
+        is String -> x.data.length // No smart cast, UNRESOLVED_REFERENCE: length
+    }
+}