Test hasBackingField

kotlin-analysis-api/src/test/kotlin/com/google/devtools/ksp/test/KSPAATest.kt

@@ -145,6 +145,18 @@ class KSPAATest : AbstractKSPAATest() {
         runTest("../test-utils/testData/api/builtInTypes.kt")
     }
 
+    @TestMetadata("A.kt")
+    @Test
+    fun testA() {
+        runTest("../test-utils/testData/api/A.kt")
+    }
+
+    @TestMetadata("B.kt")
+    @Test
+    fun testB() {
+        runTest("../test-utils/testData/api/B.kt")
+    }
+
     @Disabled
     @TestMetadata("checkOverride.kt")
     @Test

test-utils/src/main/kotlin/com/google/devtools/ksp/processor/AProcessor.kt

@@ -0,0 +1,22 @@
+package com.google.devtools.ksp.processor
+
+import com.google.devtools.ksp.KspExperimental
+import com.google.devtools.ksp.getClassDeclarationByName
+import com.google.devtools.ksp.getDeclaredProperties
+import com.google.devtools.ksp.processing.Resolver
+import com.google.devtools.ksp.symbol.KSAnnotated
+
+open class AProcessor : AbstractTestProcessor() {
+    val results = mutableListOf<String>()
+    override fun toResult(): List<String> {
+        return results
+    }
+
+    @OptIn(KspExperimental::class)
+    override fun process(resolver: Resolver): List<KSAnnotated> {
+        resolver.getClassDeclarationByName("BaseClass")!!.let { cls ->
+            println(cls.getDeclaredProperties().map { "${it.simpleName.asString()}(${it.hasBackingField})" }.toList())
+        }
+        return emptyList()
+    }
+}

test-utils/src/main/kotlin/com/google/devtools/ksp/processor/BProcessor.kt

@@ -0,0 +1,23 @@
+package com.google.devtools.ksp.processor
+
+import com.google.devtools.ksp.KspExperimental
+import com.google.devtools.ksp.getClassDeclarationByName
+import com.google.devtools.ksp.getDeclaredProperties
+import com.google.devtools.ksp.processing.Resolver
+import com.google.devtools.ksp.symbol.KSAnnotated
+
+open class BProcessor : AbstractTestProcessor() {
+    val results = mutableListOf<String>()
+    override fun toResult(): List<String> {
+        return results
+    }
+
+    @OptIn(KspExperimental::class)
+    override fun process(resolver: Resolver): List<KSAnnotated> {
+        resolver.getClassDeclarationByName("BaseClass")!!.let { cls ->
+            println(cls.getDeclaredProperties().map { "${it.simpleName.asString()}(${it.hasBackingField})" }.toList())
+            // `hasBackingField` is true when running the test individually but is false when running the whole KSPAATest.
+        }
+        return emptyList()
+    }
+}

test-utils/testData/api/A.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020 Google LLC
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// WITH_RUNTIME
+// TEST PROCESSOR: AProcessor
+// EXPECTED:
+// END
+// MODULE: lib
+// FILE: Test.kt
+open class BaseClass<T>(val genericProp : T) {
+    fun baseMethod(input: T) {}
+}
+class SubClass(x : Int) : BaseClass<Int>(x) {
+    val subClassProp : String = "abc"
+}
+// MODULE: main(lib)
+// FILE: Main.kt
+class Main

test-utils/testData/api/B.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020 Google LLC
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// WITH_RUNTIME
+// TEST PROCESSOR: BProcessor
+// EXPECTED:
+// END
+// MODULE: lib
+// FILE: Test.kt
+open class BaseClass(
+    open val value : List<Int>
+)
+class SubClass(
+    override val value : MutableList<Int>
+) : BaseClass(value)
+// MODULE: main(lib)
+// FILE: Main.kt
+class Main