From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Sun, 4 Jun 2017 17:11:04 +0000 (+0200)
Subject: Add utilities for Freenet buckets
X-Git-Tag: 0.9.7^2~168
X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=commitdiff_plain;h=c3a5dfacd98ca8190b266ac0652cbba93423a7c7

Add utilities for Freenet buckets
---

diff --git a/src/main/kotlin/net/pterodactylus/sone/utils/Buckets.kt b/src/main/kotlin/net/pterodactylus/sone/utils/Buckets.kt
new file mode 100644
index 0000000..99924ad
--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/utils/Buckets.kt
@@ -0,0 +1,9 @@
+package net.pterodactylus.sone.utils
+
+import freenet.support.api.Bucket
+
+fun <R> Bucket.use(block: (Bucket) -> R): R = try {
+	block(this)
+} finally {
+	free()
+}
diff --git a/src/test/kotlin/net/pterodactylus/sone/utils/BucketsTest.kt b/src/test/kotlin/net/pterodactylus/sone/utils/BucketsTest.kt
new file mode 100644
index 0000000..a17bdd2
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/utils/BucketsTest.kt
@@ -0,0 +1,34 @@
+package net.pterodactylus.sone.utils
+
+import freenet.support.api.Bucket
+import net.pterodactylus.sone.test.mock
+import org.junit.Test
+import org.mockito.Mockito.verify
+import kotlin.test.fail
+
+/**
+ * Unit test for [freenet.support.api.Bucket]-related utilities.
+ */
+class BucketsTest {
+
+	private val bucket = mock<Bucket>()
+
+	@Test
+	fun `bucket is freed after use without exception`() {
+		bucket.use { }
+		verify(bucket).free()
+	}
+
+	@Test
+	fun `bucket is freed after use with exceptions`() {
+		try {
+			bucket.use { throw Exception() }
+			@Suppress("UNREACHABLE_CODE")
+			fail()
+		} catch (e: Exception) {
+		} finally {
+			verify(bucket).free()
+		}
+	}
+
+}