[commons-collections] branch master updated: Test subMap and tailMap (#94)

[gg...@apache.org]

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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-collections.git


The following commit(s) were added to refs/heads/master by this push:
     new 82cfa66  Test subMap and tailMap  (#94)
82cfa66 is described below

commit 82cfa665a054310fe1389195896a35a01cd536ba
Author: dota17 <50...@users.noreply.github.com>
AuthorDate: Tue Oct 29 22:21:36 2019 +0800

    Test subMap and tailMap  (#94)
    
    * add a junit for the HeadMap in the UnmodifiableSortedMapTest
    
    * add junit for the subMap and tailMap in the UnmodifiableSortedMapTest
---
 .../map/UnmodifiableSortedMapTest.java             | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/src/test/java/org/apache/commons/collections4/map/UnmodifiableSortedMapTest.java b/src/test/java/org/apache/commons/collections4/map/UnmodifiableSortedMapTest.java
index b0844bb..0101ada 100644
--- a/src/test/java/org/apache/commons/collections4/map/UnmodifiableSortedMapTest.java
+++ b/src/test/java/org/apache/commons/collections4/map/UnmodifiableSortedMapTest.java
@@ -86,6 +86,41 @@ public class UnmodifiableSortedMapTest<K, V> extends AbstractSortedMapTest<K, V>
         final SortedMap<K, V> m = new TreeMap<>();
         // "again" is the first key of the map
         assertSame(m.isEmpty(), map.headMap((K) "again").isEmpty());
+        assertSame(18, map.size());
+        // "you" is the last key of the map
+        assertSame(17, map.headMap((K) "you").size());
+        // "we'll" is the before key of "you"
+        assertSame(16, map.headMap((K) "we'll").size());
+    }
+
+    //-----------------------------------------------------------------------
+
+    public void testTailMap() {
+        final SortedMap<K, V> map = makeFullMap();
+
+        assertSame(18, map.size());
+        // "you" is the last key of the map
+        assertSame(1, map.tailMap((K) "you").size());
+        // "we'll" is the before key of "you"
+        assertSame(2, map.tailMap((K) "we'll").size());
+        // "again" is the first key of the map
+        assertSame(18, map.tailMap((K) "again").size());
+    }
+
+    //-----------------------------------------------------------------------
+
+    public void testSubMap() {
+        final SortedMap<K, V> map = makeFullMap();
+
+        assertSame(18, map.size());
+        // get the sub map from again to you(exclusive)
+        assertSame(17, map.subMap((K) "again", (K) "you").size());
+        // get the sub map from again to we'll(exclusive)
+        assertSame(16, map.subMap((K) "again", (K) "we'll").size());
+        // "again" is the first key of the map
+        assertSame(0, map.subMap((K) "again", (K) "again").size());
+
+        assertSame(map.headMap((K)"you").size(), map.subMap((K) "again", (K) "you").size());
     }
 
     //-----------------------------------------------------------------------