X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FListAccessorTest.java;fp=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftemplate%2FListAccessorTest.java;h=0c63aca38c4374d4a3cd85e2ef9f6b5e9c2cdbe5;hb=b4c32fd82aa6c88397bdf37b3b9a3b2a6fab0c1d;hp=0000000000000000000000000000000000000000;hpb=cc18e5878bc71081da5137eb777d91821c3f4cce;p=Sone.git

diff --git a/src/test/java/net/pterodactylus/sone/template/ListAccessorTest.java b/src/test/java/net/pterodactylus/sone/template/ListAccessorTest.java
new file mode 100644
index 0000000..0c63aca
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/template/ListAccessorTest.java
@@ -0,0 +1,50 @@
+package net.pterodactylus.sone.template;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.greaterThanOrEqualTo;
+import static org.hamcrest.Matchers.nullValue;
+import static org.hamcrest.Matchers.sameInstance;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import net.pterodactylus.util.template.Accessor;
+
+import org.junit.Test;
+
+/**
+ * Unit test for {@link ListAccessorTest}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class ListAccessorTest {
+
+	private final Accessor accessor = new ListAccessor();
+
+	@Test
+	public void gettingARandomElementFromAnEmptyListReturnsNull() {
+		assertThat(accessor.get(null, Collections.emptyList(), "random"), nullValue());
+	}
+
+	@Test
+	public void gettingARandomElementFromAListOfOneWillReturnTheOneElement() {
+		Object object = new Object();
+		assertThat(accessor.get(null, Arrays.asList(object), "random"), sameInstance(object));
+	}
+
+	@Test
+	public void gettingRandomElementsFromAListTwoElementsWillReturnBothWithSomeProportion() {
+		Object first = new Object();
+		Object second = new Object();
+		List<?> objects = Arrays.asList(first, second);
+		int gotFirst = 0;
+		for (int i = 0; i < 10000; i++) {
+			if (accessor.get(null, objects, "random") == first) {
+				gotFirst++;
+			}
+		}
+		assertThat(gotFirst, greaterThanOrEqualTo(4000));
+	}
+
+}