X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Ftest%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Ftest%2FGuice.kt;h=b0bed5ca576083765a58b02978e55708b48431c5;hp=c8f241757461e074689969644ab17bb9dfbfb67c;hb=faf66247a34f64946990a985d2ea3003465969cb;hpb=b447a1e0b8ce1fb977faf3fc5a7f4c24ac4639ff

diff --git a/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt b/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt
index c8f2417..b0bed5c 100644
--- a/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt
+++ b/src/test/kotlin/net/pterodactylus/sone/test/Guice.kt
@@ -2,6 +2,8 @@ package net.pterodactylus.sone.test
 
 import com.google.inject.*
 import com.google.inject.name.*
+import org.hamcrest.MatcherAssert.*
+import org.hamcrest.Matchers.*
 import org.mockito.*
 import javax.inject.Provider
 import kotlin.reflect.*
@@ -17,6 +19,13 @@ inline fun <reified T : Any> Injector.getInstance(annotation: Annotation? = null
 		?.let { getInstance(Key.get(object : TypeLiteral<T>() {}, it)) }
 		?: getInstance(Key.get(object : TypeLiteral<T>() {}))
 
+
+inline fun <reified T : Any> Injector.verifySingletonInstance(annotation: Annotation? = null) {
+	val firstInstance = getInstance<T>(annotation)
+	val secondInstance = getInstance<T>(annotation)
+	assertThat(firstInstance, sameInstance(secondInstance))
+}
+
 fun <T : Any> supply(javaClass: Class<T>): Source<T> = object : Source<T> {
 	override fun fromInstance(instance: T) = Module { it.bind(javaClass).toInstance(instance) }
 	override fun byInstance(instance: T) = Module { it.bind(javaClass).toProvider(Provider<T> { instance }) }