Expand most kotlinx.serialization tests on JS backend

to enhance and increase test coverage of the plugin.

plugins/kotlinx-serialization/testData/boxIr/annotationsOnFile.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 // FILE: a.kt

plugins/kotlinx-serialization/testData/boxIr/caching.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/classSerializerAsObject.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 package a

plugins/kotlinx-serialization/testData/boxIr/contextualByDefault.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/contextualFallback.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/contextualWithTypeParameters.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/delegatedInterface.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/enumsAreCached.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/genericBaseClassMultiple.kt

@@ -1,4 +1,4 @@
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_K1: JS_IR
 
 // WITH_STDLIB
 

plugins/kotlinx-serialization/testData/boxIr/genericBaseClassSimple.kt

@@ -1,4 +1,4 @@
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_K1: JS_IR
 
 // WITH_STDLIB
 

plugins/kotlinx-serialization/testData/boxIr/generics.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/metaSerializable.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/multimoduleInheritance.kt

@@ -17,9 +17,6 @@ open class OpenBody {
 @Serializable
 abstract class AbstractConstructor(var optional: String = "foo")
 
-// TODO: test fails for K2 if places of 'color' and 'name' are swapped
-// because of https://youtrack.jetbrains.com/issue/KT-54792 (KT-20980)
-// and serialization proto extension is not available in K2.
 @Serializable
 open class Vehicle {
     var color: String? = null

plugins/kotlinx-serialization/testData/boxIr/multimoduleInheritanceJs.kt

@@ -0,0 +1,89 @@
+// WITH_STDLIB
+// TARGET_BACKEND: JS_IR
+// TARGET_BACKEND: JS_IR_ES6
+
+// JS vs JVM difference is that we are not able to understand that we have a default value in other module (KT-62523)
+
+// MODULE: lib
+// FILE: lib.kt
+
+package a
+
+import kotlinx.serialization.*
+
+@Serializable
+open class OpenBody {
+    var optional: String? = "foo"
+}
+
+@Serializable
+abstract class AbstractConstructor(var optional: String = "foo")
+
+@Serializable
+open class Vehicle {
+    var color: String? = null
+    var name: String? = null
+}
+
+
+// MODULE: app(lib)
+// FILE: app.kt
+
+package test
+
+import a.*
+import kotlinx.serialization.*
+import kotlinx.serialization.json.*
+import kotlin.test.assertEquals
+
+@Serializable
+class Test1: OpenBody()
+
+@Serializable
+class Test2: AbstractConstructor()
+
+@Serializable
+open class Car : Vehicle() {
+    var maxSpeed: Int = 100
+}
+
+fun test1() {
+    val string = Json.encodeToString(Test1.serializer(), Test1())
+    assertEquals("{\"optional\":\"foo\"}", string)
+    val reconstructed = Json.decodeFromString(Test1.serializer(), string)
+    assertEquals("foo", reconstructed.optional)
+}
+
+fun test2() {
+    val string = Json.encodeToString(Test2.serializer(), Test2())
+    assertEquals("{\"optional\":\"foo\"}", string)
+    val reconstructed = Json.decodeFromString(Test2.serializer(), string)
+    assertEquals("foo", reconstructed.optional)
+}
+
+fun test3() {
+    val json = Json { allowStructuredMapKeys = true; encodeDefaults = true }
+
+    val car = Car()
+    car.maxSpeed = 100
+    car.name = "ford"
+    val s = json.encodeToString(Car.serializer(), car)
+    assertEquals("""{"color":null,"name":"ford","maxSpeed":100}""", s)
+    val restoredCar = json.decodeFromString(Car.serializer(), s)
+    assertEquals(100, restoredCar.maxSpeed)
+    assertEquals("ford", restoredCar.name)
+    assertEquals(null, restoredCar.color)
+}
+
+fun box(): String {
+    try {
+        test1()
+        test2()
+        test3()
+        return "OK"
+    } catch (e: Throwable) {
+        e.printStackTrace()
+        return e.message!!
+    }
+
+}

plugins/kotlinx-serialization/testData/boxIr/multipleGenericsPolymorphic.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/sealedClassMultifile.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 // FILE: a.kt

plugins/kotlinx-serialization/testData/boxIr/sealedInterfaces.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 package a

plugins/kotlinx-serialization/testData/boxIr/serializableFromAnotherModule.kt

@@ -1,4 +1,3 @@
-// TARGET_BACKEND: JVM_IR
 // WITH_STDLIB
 // ISSUE: KT-57626
 

plugins/kotlinx-serialization/testData/boxIr/serializableFromAnotherModule_multipleFields.kt

@@ -1,4 +1,3 @@
-// TARGET_BACKEND: JVM_IR
 // WITH_STDLIB
 // ISSUE: KT-57626
 

plugins/kotlinx-serialization/testData/boxIr/serializableOnPropertyType.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/starProjections.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/testData/boxIr/useSerializersChain.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 // FILE: a.kt

plugins/kotlinx-serialization/testData/boxIr/userDefinedSerializerInCompanion.kt

@@ -1,5 +1,3 @@
-// TARGET_BACKEND: JVM_IR
-
 // WITH_STDLIB
 
 import kotlinx.serialization.*

plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationFirJsBoxTestGenerated.java

@@ -25,24 +25,72 @@ public class SerializationFirJsBoxTestGenerated extends AbstractSerializationFir
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("plugins/kotlinx-serialization/testData/boxIr"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR, true);
     }
 
+    @Test
+    @TestMetadata("annotationsOnFile.kt")
+    public void testAnnotationsOnFile() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/annotationsOnFile.kt");
+    }
+
+    @Test
+    @TestMetadata("caching.kt")
+    public void testCaching() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/caching.kt");
+    }
+
     @Test
     @TestMetadata("clashBetweenSerializableAndNonSerializableProperty.kt")
     public void testClashBetweenSerializableAndNonSerializableProperty() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/clashBetweenSerializableAndNonSerializableProperty.kt");
     }
 
+    @Test
+    @TestMetadata("classSerializerAsObject.kt")
+    public void testClassSerializerAsObject() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/classSerializerAsObject.kt");
+    }
+
     @Test
     @TestMetadata("constValInSerialName.kt")
     public void testConstValInSerialName() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/constValInSerialName.kt");
     }
 
+    @Test
+    @TestMetadata("contextualByDefault.kt")
+    public void testContextualByDefault() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/contextualByDefault.kt");
+    }
+
+    @Test
+    @TestMetadata("contextualFallback.kt")
+    public void testContextualFallback() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/contextualFallback.kt");
+    }
+
+    @Test
+    @TestMetadata("contextualWithTypeParameters.kt")
+    public void testContextualWithTypeParameters() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/contextualWithTypeParameters.kt");
+    }
+
+    @Test
+    @TestMetadata("delegatedInterface.kt")
+    public void testDelegatedInterface() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/delegatedInterface.kt");
+    }
+
     @Test
     @TestMetadata("delegatedProperty.kt")
     public void testDelegatedProperty() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/delegatedProperty.kt");
     }
 
+    @Test
+    @TestMetadata("enumsAreCached.kt")
+    public void testEnumsAreCached() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/enumsAreCached.kt");
+    }
+
     @Test
     @TestMetadata("excludedFromExport.kt")
     public void testExcludedFromExport() throws Exception {
@@ -55,12 +103,78 @@ public class SerializationFirJsBoxTestGenerated extends AbstractSerializationFir
         runTest("plugins/kotlinx-serialization/testData/boxIr/excludedFromFileExport.kt");
     }
 
+    @Test
+    @TestMetadata("genericBaseClassMultiple.kt")
+    public void testGenericBaseClassMultiple() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/genericBaseClassMultiple.kt");
+    }
+
+    @Test
+    @TestMetadata("genericBaseClassSimple.kt")
+    public void testGenericBaseClassSimple() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/genericBaseClassSimple.kt");
+    }
+
+    @Test
+    @TestMetadata("generics.kt")
+    public void testGenerics() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/generics.kt");
+    }
+
     @Test
     @TestMetadata("interfaces.kt")
     public void testInterfaces() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/interfaces.kt");
     }
 
+    @Test
+    @TestMetadata("metaSerializable.kt")
+    public void testMetaSerializable() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/metaSerializable.kt");
+    }
+
+    @Test
+    @TestMetadata("multimoduleInheritanceJs.kt")
+    public void testMultimoduleInheritanceJs() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/multimoduleInheritanceJs.kt");
+    }
+
+    @Test
+    @TestMetadata("multipleGenericsPolymorphic.kt")
+    public void testMultipleGenericsPolymorphic() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/multipleGenericsPolymorphic.kt");
+    }
+
+    @Test
+    @TestMetadata("sealedClassMultifile.kt")
+    public void testSealedClassMultifile() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/sealedClassMultifile.kt");
+    }
+
+    @Test
+    @TestMetadata("sealedInterfaces.kt")
+    public void testSealedInterfaces() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/sealedInterfaces.kt");
+    }
+
+    @Test
+    @TestMetadata("serializableFromAnotherModule.kt")
+    public void testSerializableFromAnotherModule() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/serializableFromAnotherModule.kt");
+    }
+
+    @Test
+    @TestMetadata("serializableFromAnotherModule_multipleFields.kt")
+    public void testSerializableFromAnotherModule_multipleFields() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/serializableFromAnotherModule_multipleFields.kt");
+    }
+
+    @Test
+    @TestMetadata("serializableOnPropertyType.kt")
+    public void testSerializableOnPropertyType() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/serializableOnPropertyType.kt");
+    }
+
     @Test
     @TestMetadata("serializerFactory.kt")
     public void testSerializerFactory() throws Exception {
@@ -72,4 +186,22 @@ public class SerializationFirJsBoxTestGenerated extends AbstractSerializationFir
     public void testSerializerFactoryInUserDefined() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/serializerFactoryInUserDefined.kt");
     }
+
+    @Test
+    @TestMetadata("starProjections.kt")
+    public void testStarProjections() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/starProjections.kt");
+    }
+
+    @Test
+    @TestMetadata("useSerializersChain.kt")
+    public void testUseSerializersChain() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/useSerializersChain.kt");
+    }
+
+    @Test
+    @TestMetadata("userDefinedSerializerInCompanion.kt")
+    public void testUserDefinedSerializerInCompanion() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/userDefinedSerializerInCompanion.kt");
+    }
 }

plugins/kotlinx-serialization/tests-gen/org/jetbrains/kotlinx/serialization/runners/SerializationIrJsBoxTestGenerated.java

@@ -25,24 +25,72 @@ public class SerializationIrJsBoxTestGenerated extends AbstractSerializationIrJs
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("plugins/kotlinx-serialization/testData/boxIr"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JS_IR, true);
     }
 
+    @Test
+    @TestMetadata("annotationsOnFile.kt")
+    public void testAnnotationsOnFile() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/annotationsOnFile.kt");
+    }
+
+    @Test
+    @TestMetadata("caching.kt")
+    public void testCaching() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/caching.kt");
+    }
+
     @Test
     @TestMetadata("clashBetweenSerializableAndNonSerializableProperty.kt")
     public void testClashBetweenSerializableAndNonSerializableProperty() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/clashBetweenSerializableAndNonSerializableProperty.kt");
     }
 
+    @Test
+    @TestMetadata("classSerializerAsObject.kt")
+    public void testClassSerializerAsObject() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/classSerializerAsObject.kt");
+    }
+
     @Test
     @TestMetadata("constValInSerialName.kt")
     public void testConstValInSerialName() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/constValInSerialName.kt");
     }
 
+    @Test
+    @TestMetadata("contextualByDefault.kt")
+    public void testContextualByDefault() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/contextualByDefault.kt");
+    }
+
+    @Test
+    @TestMetadata("contextualFallback.kt")
+    public void testContextualFallback() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/contextualFallback.kt");
+    }
+
+    @Test
+    @TestMetadata("contextualWithTypeParameters.kt")
+    public void testContextualWithTypeParameters() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/contextualWithTypeParameters.kt");
+    }
+
+    @Test
+    @TestMetadata("delegatedInterface.kt")
+    public void testDelegatedInterface() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/delegatedInterface.kt");
+    }
+
     @Test
     @TestMetadata("delegatedProperty.kt")
     public void testDelegatedProperty() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/delegatedProperty.kt");
     }
 
+    @Test
+    @TestMetadata("enumsAreCached.kt")
+    public void testEnumsAreCached() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/enumsAreCached.kt");
+    }
+
     @Test
     @TestMetadata("excludedFromExport.kt")
     public void testExcludedFromExport() throws Exception {
@@ -55,12 +103,78 @@ public class SerializationIrJsBoxTestGenerated extends AbstractSerializationIrJs
         runTest("plugins/kotlinx-serialization/testData/boxIr/excludedFromFileExport.kt");
     }
 
+    @Test
+    @TestMetadata("genericBaseClassMultiple.kt")
+    public void testGenericBaseClassMultiple() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/genericBaseClassMultiple.kt");
+    }
+
+    @Test
+    @TestMetadata("genericBaseClassSimple.kt")
+    public void testGenericBaseClassSimple() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/genericBaseClassSimple.kt");
+    }
+
+    @Test
+    @TestMetadata("generics.kt")
+    public void testGenerics() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/generics.kt");
+    }
+
     @Test
     @TestMetadata("interfaces.kt")
     public void testInterfaces() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/interfaces.kt");
     }
 
+    @Test
+    @TestMetadata("metaSerializable.kt")
+    public void testMetaSerializable() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/metaSerializable.kt");
+    }
+
+    @Test
+    @TestMetadata("multimoduleInheritanceJs.kt")
+    public void testMultimoduleInheritanceJs() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/multimoduleInheritanceJs.kt");
+    }
+
+    @Test
+    @TestMetadata("multipleGenericsPolymorphic.kt")
+    public void testMultipleGenericsPolymorphic() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/multipleGenericsPolymorphic.kt");
+    }
+
+    @Test
+    @TestMetadata("sealedClassMultifile.kt")
+    public void testSealedClassMultifile() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/sealedClassMultifile.kt");
+    }
+
+    @Test
+    @TestMetadata("sealedInterfaces.kt")
+    public void testSealedInterfaces() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/sealedInterfaces.kt");
+    }
+
+    @Test
+    @TestMetadata("serializableFromAnotherModule.kt")
+    public void testSerializableFromAnotherModule() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/serializableFromAnotherModule.kt");
+    }
+
+    @Test
+    @TestMetadata("serializableFromAnotherModule_multipleFields.kt")
+    public void testSerializableFromAnotherModule_multipleFields() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/serializableFromAnotherModule_multipleFields.kt");
+    }
+
+    @Test
+    @TestMetadata("serializableOnPropertyType.kt")
+    public void testSerializableOnPropertyType() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/serializableOnPropertyType.kt");
+    }
+
     @Test
     @TestMetadata("serializerFactory.kt")
     public void testSerializerFactory() throws Exception {
@@ -72,4 +186,22 @@ public class SerializationIrJsBoxTestGenerated extends AbstractSerializationIrJs
     public void testSerializerFactoryInUserDefined() throws Exception {
         runTest("plugins/kotlinx-serialization/testData/boxIr/serializerFactoryInUserDefined.kt");
     }
+
+    @Test
+    @TestMetadata("starProjections.kt")
+    public void testStarProjections() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/starProjections.kt");
+    }
+
+    @Test
+    @TestMetadata("useSerializersChain.kt")
+    public void testUseSerializersChain() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/useSerializersChain.kt");
+    }
+
+    @Test
+    @TestMetadata("userDefinedSerializerInCompanion.kt")
+    public void testUserDefinedSerializerInCompanion() throws Exception {
+        runTest("plugins/kotlinx-serialization/testData/boxIr/userDefinedSerializerInCompanion.kt");
+    }
 }