Add expected type constraints in a builder inference call

2021-04-29 11:26:59 +03:00
parent 7da47dcde8
commit 90066d7e50
9 changed files with 165 additions and 4 deletions
@@ -0,0 +1,36 @@
+// WITH_RUNTIME
+
+interface A {
+    fun foo(): MutableList<String>
+}
+
+@ExperimentalStdlibApi
+fun main() {
+    buildList {
+        add(3)
+        object : A {
+            override fun foo(): MutableList<String> = this@buildList
+        }
+    }
+    buildList {
+        add(3)
+        val x: String = get(0)
+    }
+    buildList {
+        add("3")
+        val x: MutableList<Int> = this@buildList
+    }
+    buildList {
+        val y: CharSequence = ""
+        add(y)
+        val x: MutableList<String> = this@buildList
+    }
+    buildList {
+        add("")
+        val x: MutableList<CharSequence> = this@buildList
+    }
+    buildList {
+        add("")
+        val x: StringBuilder = get(0)
+    }
+}
@@ -0,0 +1,36 @@
+// WITH_RUNTIME
+
+interface A {
+    fun foo(): MutableList<String>
+}
+
+@ExperimentalStdlibApi
+fun main() {
+    buildList {
+        add(<!CONSTANT_EXPECTED_TYPE_MISMATCH, CONSTANT_EXPECTED_TYPE_MISMATCH!>3<!>)
+        object : A {
+            override fun foo(): MutableList<String> = this@buildList
+        }
+    }
+    buildList {
+        add(<!CONSTANT_EXPECTED_TYPE_MISMATCH, CONSTANT_EXPECTED_TYPE_MISMATCH!>3<!>)
+        val x: String = get(0)
+    }
+    buildList {
+        add(<!TYPE_MISMATCH, TYPE_MISMATCH!>"3"<!>)
+        val x: MutableList<Int> = this@buildList
+    }
+    buildList {
+        val y: CharSequence = ""
+        add(<!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>y<!>)
+        val x: MutableList<String> = this@buildList
+    }
+    buildList {
+        add("")
+        val x: MutableList<CharSequence> = this@buildList
+    }
+    buildList {
+        add(<!TYPE_MISMATCH, TYPE_MISMATCH!>""<!>)
+        val x: StringBuilder = get(0)
+    }
+}
@@ -0,0 +1,10 @@
+package
+
+@kotlin.ExperimentalStdlibApi public fun main(): kotlin.Unit
+
+public interface A {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public abstract fun foo(): kotlin.collections.MutableList<kotlin.String>
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}