KT-34770 JS. Configurable properties. Test

js/js.tests/test/org/jetbrains/kotlin/js/test/ir/semantics/IrBoxJsTestGenerated.java

@@ -6479,7 +6479,9 @@ public class IrBoxJsTestGenerated extends AbstractIrBoxJsTest {
         }
 
         public void testAllFilesPresentInPropertyAccess() throws Exception {
-            KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("js/js.translator/testData/box/propertyAccess"), Pattern.compile("^([^_](.+))\\.kt$"), null, TargetBackend.JS_IR, true);
+            KotlinTestUtils
+                    .assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("js/js.translator/testData/box/propertyAccess"),
+                                                                 Pattern.compile("^([^_](.+))\\.kt$"), null, TargetBackend.JS_IR, true);
         }
 
         @TestMetadata("classUsesPackageProperties.kt")
@@ -6487,6 +6489,11 @@ public class IrBoxJsTestGenerated extends AbstractIrBoxJsTest {
             runTest("js/js.translator/testData/box/propertyAccess/classUsesPackageProperties.kt");
         }
 
+        @TestMetadata("configurable.kt")
+        public void testConfigurable() throws Exception {
+            runTest("js/js.translator/testData/box/propertyAccess/configurable.kt");
+        }
+
         @TestMetadata("customGetter.kt")
         public void testCustomGetter() throws Exception {
             runTest("js/js.translator/testData/box/propertyAccess/customGetter.kt");

js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/BoxJsTestGenerated.java

@@ -6504,7 +6504,9 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
         }
 
         public void testAllFilesPresentInPropertyAccess() throws Exception {
-            KotlinTestUtils.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("js/js.translator/testData/box/propertyAccess"), Pattern.compile("^([^_](.+))\\.kt$"), null, TargetBackend.JS, true);
+            KotlinTestUtils
+                    .assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("js/js.translator/testData/box/propertyAccess"),
+                                                                 Pattern.compile("^([^_](.+))\\.kt$"), null, TargetBackend.JS, true);
         }
 
         @TestMetadata("classUsesPackageProperties.kt")
@@ -6512,6 +6514,11 @@ public class BoxJsTestGenerated extends AbstractBoxJsTest {
             runTest("js/js.translator/testData/box/propertyAccess/classUsesPackageProperties.kt");
         }
 
+        @TestMetadata("configurable.kt")
+        public void testConfigurable() throws Exception {
+            runTest("js/js.translator/testData/box/propertyAccess/configurable.kt");
+        }
+
         @TestMetadata("customGetter.kt")
         public void testCustomGetter() throws Exception {
             runTest("js/js.translator/testData/box/propertyAccess/customGetter.kt");

js/js.translator/testData/box/propertyAccess/configurable.kt

@@ -0,0 +1,40 @@
+// EXPECTED_REACHABLE_NODES: 1325
+// KJS_WITH_FULL_RUNTIME
+package foo
+
+external interface EP {
+    val simpleProp: Int
+    val anotherProp: String
+    val propWithGetter: Boolean
+}
+
+class P : EP {
+    override val simpleProp = 13
+    override val anotherProp = "42"
+    override val propWithGetter: Boolean
+        get() = true
+}
+
+fun usages() {
+    val p = P()
+    assertEquals(13, p.simpleProp)
+    assertEquals("42", p.anotherProp)
+    assertEquals(true, p.propWithGetter)
+}
+
+fun box(): String {
+    usages()
+
+    val prototype = P::class.js.asDynamic().prototype
+
+    assertTrue(isConfigurable(prototype, "simpleProp"))
+    assertTrue(isConfigurable(prototype, "anotherProp"))
+    assertTrue(isConfigurable(prototype, "propWithGetter"))
+
+    return "OK"
+}
+
+fun isConfigurable(obj: Any, prop: String): Boolean =
+    js("Object")
+        .getOwnPropertyDescriptor(obj, prop)
+        .configurable