Don't try to mock primitive/wrapper instances

Author: nhaarman

mockito-kotlin/src/main/kotlin/com/nhaarman/mockito_kotlin/CreateInstance.kt

@@ -67,8 +67,8 @@ fun <T : Any> createInstance(kClass: KClass<T>): T {
     return MockitoKotlin.instanceCreator(kClass)?.invoke() as T? ?:
             when {
                 kClass.hasObjectInstance() -> kClass.objectInstance!!
-                kClass.isMockable() -> kClass.java.uncheckedMock()
                 kClass.isPrimitive() -> kClass.toDefaultPrimitiveValue()
+                kClass.isMockable() -> kClass.java.uncheckedMock()
                 kClass.isEnum() -> kClass.java.enumConstants.first()
                 kClass.isArray() -> kClass.toArrayInstance()
                 kClass.isClassObject() -> kClass.toClassObject()

mockito-kotlin/src/testInlineMockito/kotlin/CreateInstanceOfImmutableTest.kt renamed to mockito-kotlin/src/testInlineMockito/kotlin/CreateInstanceInlineTest.kt

@@ -28,7 +28,7 @@ import org.junit.Test
 import java.io.IOException
 import java.math.BigInteger
 
-class CreateInstanceOfImmutableTest {
+class CreateInstanceInlineTest {
 
     class ClassToBeMocked {
 
@@ -97,6 +97,24 @@ class CreateInstanceOfImmutableTest {
         }
     }
 
+    @Test
+    fun createPrimitiveInstance() {
+        /* When */
+        val i = createInstance<Int>()
+
+        /* Then */
+        expect(i).toBe(0)
+    }
+    
+    @Test
+    fun createStringInstance() {
+        /* When */
+        val s = createInstance<String>()
+
+        /* Then */
+        expect(s).toBe("")
+    }
+
     interface Methods {
 
         fun throwableClass(t: ThrowableClass)