[JS IR] Tests for TS declarations of sealed classes

Also make sure we generate proper declarations for abstract and data
classes.

#KT-39364 Fixed
#KT-47376 Fixed

js/js.translator/testData/typescript-export/declarations/declarations.d.ts

@@ -55,5 +55,48 @@ declare namespace JS_TESTS {
                 readonly x: number;
             };
         }
+        class TestSealed {
+            protected constructor(name: string);
+            readonly name: string;
+        }
+        namespace TestSealed {
+            class AA extends foo.TestSealed {
+                constructor();
+                bar(): string;
+            }
+            class BB extends foo.TestSealed {
+                constructor();
+                baz(): string;
+            }
+        }
+        abstract class TestAbstract {
+            constructor(name: string);
+            readonly name: string;
+        }
+        namespace TestAbstract {
+            class AA extends foo.TestAbstract {
+                constructor();
+                bar(): string;
+            }
+            class BB extends foo.TestAbstract {
+                constructor();
+                baz(): string;
+            }
+        }
+        class TestDataClass {
+            constructor(name: string);
+            readonly name: string;
+            component1(): string;
+            copy(name: string): foo.TestDataClass;
+            toString(): string;
+            hashCode(): number;
+            equals(other: Nullable<any>): boolean;
+        }
+        namespace TestDataClass {
+            class Nested {
+                constructor();
+                readonly prop: string;
+            }
+        }
     }
 }

js/js.translator/testData/typescript-export/declarations/declarations.kt

@@ -3,71 +3,98 @@
 // SKIP_MINIFICATION
 // SKIP_NODE_JS
 
-@file:JsExport
-
 package foo
 
 // TODO: Test the same for member functions:
 
+@JsExport
 fun sum(x: Int, y: Int): Int =
     x + y
 
+@JsExport
 fun varargInt(vararg x: Int): Int =
     x.size
 
+@JsExport
 fun varargNullableInt(vararg x: Int?): Int =
     x.size
 
+@JsExport
 fun varargWithOtherParameters(x: String, vararg y: String, z: String): Int =
     x.length + y.size + z.length
 
+@JsExport
 fun varargWithComplexType(vararg x: (Array<IntArray>) -> Array<IntArray>): Int =
     x.size
 
+@JsExport
 fun sumNullable(x: Int?, y: Int?): Int =
     (x ?: 0) + (y ?: 0)
 
+@JsExport
 fun defaultParameters(x: Int = 10, y: String = "OK"): String =
     x.toString() + y
 
+@JsExport
 fun <T> generic1(x: T): T = x
 
+@JsExport
 fun <T> generic2(x: T?): Boolean = (x == null)
 
+@JsExport
 fun <A, B, C, D, E> generic3(a: A, b: B, c: C, d: D): E? = null
 
+@JsExport
 inline fun inlineFun(x: Int, callback: (Int) -> Unit) {
     callback(x)
 }
 
 // Properties
 
+@JsExport
 const val _const_val: Int = 1
+
+@JsExport
 val _val: Int = 1
+
+@JsExport
 var _var: Int = 1
 
+@JsExport
 val _valCustom: Int
     get() = 1
 
+@JsExport
 val _valCustomWithField: Int = 1
     get() = field + 1
 
+@JsExport
 var _varCustom: Int
     get() = 1
     set(value) {}
 
+@JsExport
 var _varCustomWithField: Int = 1
     get() = field * 10
     set(value) { field = value * 10 }
 
 // Classes
 
+@JsExport
 class A
+
+@JsExport
 class A1(val x: Int)
+
+@JsExport
 class A2(val x: String, var y: Boolean)
+
+@JsExport
 class A3 {
     val x: Int = 100
 }
+
+@JsExport
 class A4 {
     val _valCustom: Int
         get() = 1
@@ -85,19 +112,52 @@ class A4 {
 }
 
 
+@JsExport
 object O0
 
+@JsExport
 object O {
     val x = 10
     @JsName("foo")  // TODO: Should work without JsName
     fun foo() = 20
 }
 
+@JsExport
 fun takesO(o: O): Int =
     O.x + O.foo()
 
+@JsExport
 class KT_37829 {
     companion object {
         val x = 10
     }
+}
+
+// See KT-47376, KT-39364
+@JsExport
+sealed class TestSealed(val name: String) {
+    class AA : TestSealed("AA") {
+        fun bar(): String = "bar"
+    }
+    class BB : TestSealed("BB") {
+        fun baz(): String = "baz"
+    }
+}
+
+// See KT-39364
+@JsExport
+abstract class TestAbstract(val name: String) {
+    class AA : TestAbstract("AA") {
+        fun bar(): String = "bar"
+    }
+    class BB : TestAbstract("BB") {
+        fun baz(): String = "baz"
+    }
+}
+
+@JsExport
+data class TestDataClass(val name: String) {
+    class Nested {
+        val prop: String = "hello"
+    }
 }

js/js.translator/testData/typescript-export/declarations/declarations__main.ts

@@ -23,6 +23,9 @@ import A4 = JS_TESTS.foo.A4;
 import O = JS_TESTS.foo.O;
 import takesO = JS_TESTS.foo.takesO;
 import KT_37829 = JS_TESTS.foo.KT_37829;
+import TestSealed = JS_TESTS.foo.TestSealed;
+import TestAbstract = JS_TESTS.foo.TestAbstract;
+import TestDataClass = JS_TESTS.foo.TestDataClass;
 
 function assert(condition: boolean) {
     if (!condition) {
@@ -95,5 +98,17 @@ function box(): string {
 
     assert(KT_37829.Companion.x == 10);
 
+    assert(new TestSealed.AA().name == "AA");
+    assert(new TestSealed.AA().bar() == "bar");
+    assert(new TestSealed.BB().name == "BB");
+    assert(new TestSealed.BB().baz() == "baz");
+
+    assert(new TestAbstract.AA().name == "AA");
+    assert(new TestAbstract.AA().bar() == "bar");
+    assert(new TestAbstract.BB().name == "BB");
+    assert(new TestAbstract.BB().baz() == "baz");
+
+    assert(new TestDataClass.Nested().prop == "hello");
+
     return "OK";
 }