Add LazyBundleDetector test

lint/src/test/java/com/pluu/lint/LazyBundleDetectorTest.kt

@@ -0,0 +1,93 @@
+package com.pluu.lint
+
+import com.android.tools.lint.checks.infrastructure.LintDetectorTest
+import com.android.tools.lint.checks.infrastructure.LintDetectorTest.kotlin
+import org.junit.Test
+
+class LazyBundleDetectorTest : LintDetectorTest() {
+
+    override fun getDetector() = LazyBundleDetector()
+
+    override fun getIssues() = listOf(
+        LazyBundleDetector.ISSUE
+    )
+
+    @Test
+    fun testSuccess() {
+        val activityFile = kotlin(
+            """
+package com.pluu.lintstudy.lazybundle
+
+import android.app.Activity
+
+class LazySampleActivity : Activity() {
+
+    private val string = "a"
+    private val int = 1
+    private val dataClass = Sample("A")
+    private val index by inject<String>()
+    private val lazyIndex by lazy { index.toInt() }
+    private val d = Sample("A")
+}
+
+data class Sample(val a: String)
+            """.trimIndent(),
+        ).indented()
+
+        lint().files(
+            extension_Stub,
+            activityFile
+        ).run()
+            .expectClean()
+    }
+
+    @Test
+    fun testFail() {
+        val activityFile = kotlin(
+            """
+package com.pluu.lintstudy.lazybundle
+
+import android.app.Activity
+
+class LazySampleActivity : Activity() {
+    private val index by inject<String>()
+    private val i = index.toInt()
+    private val i2 = index
+}
+            """.trimIndent(),
+        ).indented()
+
+        lint().files(
+            extension_Stub,
+            activityFile
+        ).run()
+            .expect(
+                """
+src/com/pluu/lintstudy/lazybundle/LazySampleActivity.kt:7: Error: Lazy한 값을 클래스 인스턴스화 시점에 사용하면 안됨 [LazyDetector]
+    private val i = index.toInt()
+                    ~~~~~~~~~~~~~
+src/com/pluu/lintstudy/lazybundle/LazySampleActivity.kt:8: Error: Lazy한 값을 클래스 인스턴스화 시점에 사용하면 안됨 [LazyDetector]
+    private val i2 = index
+                     ~~~~~
+2 errors, 0 warnings
+                """.trimIndent()
+            )
+    }
+}
+
+private val extension_Stub = kotlin(
+    """
+package com.pluu.lintstudy.lazybundle
+
+import android.app.Activity
+import kotlin.reflect.KProperty
+
+inline fun <reified T> Activity.inject(): LazyProvider<Activity, T> {
+    return lazy { null }
+}
+
+interface LazyProvider<A, T> {
+    operator fun provideDelegate(thisRef: A, prop: KProperty<*>): Lazy<T>
+}
+            """.trimIndent()
+).indented().within("src")