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1 files changed, 130 insertions, 0 deletions

diff --git a/jrt/tests/com/yahoo/jrt/slobrok/api/SlobrokListTestCase.java b/jrt/tests/com/yahoo/jrt/slobrok/api/SlobrokListTestCase.java
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index 00000000000..36874f0b80f
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+++ b/jrt/tests/com/yahoo/jrt/slobrok/api/SlobrokListTestCase.java
@@ -0,0 +1,130 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.jrt.slobrok.api;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+/**
+ * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen</a>
+ */
+public class SlobrokListTestCase {
+
+    @Test
+    public void requireThatNextSlobrokSpecReturnsNullAtEndOfList() {
+        SlobrokList lst = new SlobrokList();
+        lst.setup(new String[] { "foo", "bar" });
+        if ("[foo, bar]".equals(lst.toString())) {
+            assertEquals("foo", lst.nextSlobrokSpec());
+            assertEquals("bar", lst.nextSlobrokSpec());
+            assertNull(lst.nextSlobrokSpec());
+            assertEquals("foo", lst.nextSlobrokSpec());
+            assertEquals("bar", lst.nextSlobrokSpec());
+            assertNull(lst.nextSlobrokSpec());
+            assertEquals("[foo, bar]", lst.toString());
+        } else {
+            assertEquals("bar", lst.nextSlobrokSpec());
+            assertEquals("foo", lst.nextSlobrokSpec());
+            assertNull(lst.nextSlobrokSpec());
+            assertEquals("bar", lst.nextSlobrokSpec());
+            assertEquals("foo", lst.nextSlobrokSpec());
+            assertNull(lst.nextSlobrokSpec());
+            assertEquals("[bar, foo]", lst.toString());
+        }
+    }
+
+    @Test
+    public void requireThatSiblingsIterateIndependently() {
+        SlobrokList foo = new SlobrokList();
+        SlobrokList bar = new SlobrokList(foo);
+        foo.setup(new String[] { "foo", "bar" });
+        if ("[foo, bar]".equals(foo.toString())) {
+            assertEquals("foo", foo.nextSlobrokSpec());
+            assertEquals("foo", bar.nextSlobrokSpec());
+            assertEquals("bar", foo.nextSlobrokSpec());
+            assertEquals("bar", bar.nextSlobrokSpec());
+            assertNull(foo.nextSlobrokSpec());
+            assertNull(bar.nextSlobrokSpec());
+        } else {
+            assertEquals("bar", foo.nextSlobrokSpec());
+            assertEquals("bar", bar.nextSlobrokSpec());
+            assertEquals("foo", foo.nextSlobrokSpec());
+            assertEquals("foo", bar.nextSlobrokSpec());
+            assertNull(foo.nextSlobrokSpec());
+            assertNull(bar.nextSlobrokSpec());
+        }
+    }
+
+    @Test
+    public void requireThatLengthIsUpdatedBySetup() {
+        SlobrokList foo = new SlobrokList();
+        assertEquals(0, foo.length());
+        foo.setup(new String[69]);
+        assertEquals(69, foo.length());
+    }
+
+    @Test
+    public void requireThatIndexIsResetOnSetup() {
+        SlobrokList lst = new SlobrokList();
+        lst.setup(new String[] { "foo", "foo" });
+        assertEquals("foo", lst.nextSlobrokSpec());
+        lst.setup(new String[] { "baz" });
+        assertEquals("baz", lst.nextSlobrokSpec());
+        assertNull(lst.nextSlobrokSpec());
+        assertEquals("[baz]", lst.toString());
+    }
+
+    @Test
+    public void requireThatUpdateAffectsSiblings() {
+        SlobrokList foo = new SlobrokList();
+        SlobrokList bar = new SlobrokList(foo);
+
+        assertEquals(0, foo.length());
+        assertEquals(0, bar.length());
+
+        foo.setup(new String[] { "foo" });
+        assertEquals(1, foo.length());
+        assertEquals(1, bar.length());
+        assertEquals("foo", foo.nextSlobrokSpec());
+        assertEquals("foo", bar.nextSlobrokSpec());
+        assertEquals("[foo]", foo.toString());
+        assertEquals("[foo]", bar.toString());
+
+        foo.setup(new String[] { "baz" });
+        assertEquals(1, foo.length());
+        assertEquals(1, bar.length());
+        assertEquals("baz", bar.nextSlobrokSpec());
+        assertEquals("baz", foo.nextSlobrokSpec());
+        assertNull(foo.nextSlobrokSpec());
+        assertNull(bar.nextSlobrokSpec());
+        assertEquals("[baz]", foo.toString());
+        assertEquals("[baz]", bar.toString());
+    }
+
+    @Test
+    public void requireThatUpdateAffectsContains() {
+        SlobrokList foo = new SlobrokList();
+        foo.setup(new String[] { "foo", "bar" });
+        assertEquals(2, foo.length());
+        String one = foo.nextSlobrokSpec();
+        String two = foo.nextSlobrokSpec();
+        assertNull(foo.nextSlobrokSpec());
+        assertEquals(true, foo.contains(one));
+        assertEquals(true, foo.contains(two));
+        assertEquals(true, foo.contains("foo"));
+        assertEquals(true, foo.contains("bar"));
+        assertEquals(false, foo.contains("baz"));
+
+        foo.setup(new String[] { "foo", "baz" });
+        assertEquals(2, foo.length());
+        assertEquals(true, foo.contains("foo"));
+        assertEquals(false, foo.contains("bar"));
+        assertEquals(true, foo.contains("baz"));
+        one = foo.nextSlobrokSpec();
+        two = foo.nextSlobrokSpec();
+        assertNull(foo.nextSlobrokSpec());
+        assertEquals(true, foo.contains(one));
+        assertEquals(true, foo.contains(two));
+    }
+}