add detection of JvmSynthetic (#1718)

1 files changed, 67 insertions, 0 deletions

diff --git a/plugins/kotlin-as-java/src/test/kotlin/JvmSyntheticTest.kt b/plugins/kotlin-as-java/src/test/kotlin/JvmSyntheticTest.kt
new file mode 100644
index 00000000..fa49c3d0
--- /dev/null
+++ b/plugins/kotlin-as-java/src/test/kotlin/JvmSyntheticTest.kt
@@ -0,0 +1,67 @@
+package kotlinAsJavaPlugin
+
+import org.jetbrains.dokka.base.testApi.testRunner.BaseAbstractTest
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+
+class JvmSyntheticTest : BaseAbstractTest() {
+
+    private val configuration = dokkaConfiguration {
+        sourceSets {
+            sourceSet {
+                sourceRoots = listOf("src/")
+                classpath += jvmStdlibPath!!
+            }
+        }
+    }
+
+    @Test
+    fun `should not include synthetic functions`() {
+        testInline(
+            """
+            |/src/main/kotlin/kotlinAsJavaPlugin/sample.kt
+            |package kotlinAsJavaPlugin
+            |@JvmSynthetic
+            |fun synthetic(): String = ""
+            |fun sample(): String = ""
+        """.trimMargin(),
+            configuration,
+        ) {
+            documentablesTransformationStage = { module ->
+                val functions = module.packages.flatMap { it.classlikes }.flatMap { it.functions }
+                assertEquals(1, functions.size)
+                assertEquals("sample", functions[0].name)
+            }
+        }
+    }
+
+    @Test
+    fun `should check synthetic on method fields, getters and setters`() {
+        testInline(
+            """
+            |/src/main/kotlin/kotlinAsJavaPlugin/sample.kt
+            |package kotlinAsJavaPlugin
+            |@get:JvmSynthetic
+            |var synthetic: String = ""
+            |
+            |@set:JvmSynthetic
+            |var synthetic2: String = ""
+            |
+            |@JvmSynthetic
+            |var synthetic3: String = ""
+            |
+            |var sample: String = ""
+        """.trimMargin(),
+            configuration,
+        ) {
+            documentablesTransformationStage = { module ->
+                val functions = module.packages.flatMap { it.classlikes }.flatMap { it.functions }
+                assertEquals(4, functions.size)
+                assertEquals("setSynthetic", functions[0].name)
+                assertEquals("getSynthetic2", functions[1].name)
+                assertEquals("getSample", functions[2].name)
+                assertEquals("setSample", functions[3].name)
+            }
+        }
+    }
+}
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