Reflection: add utilities to filter parameters by kind and name

2016-07-12 19:55:28 +03:00
parent d78988a12a
commit 30b7334e48
4 changed files with 117 additions and 0 deletions
@@ -0,0 +1,36 @@
+// WITH_REFLECT
+
+import kotlin.reflect.*
+import kotlin.test.assertEquals
+import kotlin.test.assertNotNull
+import kotlin.test.assertNull
+
+class A {
+    fun String.memExt(param: Int) {}
+}
+
+fun topLevel() {}
+
+fun Int.ext(vararg o: Any) {}
+
+fun box(): String {
+    A::class.members.single { it.name == "memExt" }.let {
+        assertNotNull(it.instanceParameter)
+        assertNotNull(it.extensionReceiverParameter)
+        assertEquals(1, it.valueParameters.size)
+    }
+
+    ::topLevel.let {
+        assertNull(it.instanceParameter)
+        assertNull(it.extensionReceiverParameter)
+        assertEquals(0, it.valueParameters.size)
+    }
+
+    Int::ext.let {
+        assertNull(it.instanceParameter)
+        assertNotNull(it.extensionReceiverParameter)
+        assertEquals(1, it.valueParameters.size)
+    }
+
+    return "OK"
+}