1 files changed, 55 insertions, 0 deletions
diff --git a/libphonenumber/test/com/google/i18n/phonenumbers/internal/RegexCacheTest.java b/libphonenumber/test/com/google/i18n/phonenumbers/internal/RegexCacheTest.java
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+++ b/libphonenumber/test/com/google/i18n/phonenumbers/internal/RegexCacheTest.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2010 The Libphonenumber Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.i18n.phonenumbers.internal;
+
+import junit.framework.TestCase;
+
+/**
+ * Unittests for LRU Cache for compiled regular expressions used by the libphonenumbers libary.
+ *
+ * @author Shaopeng Jia
+ */
+
+public class RegexCacheTest extends TestCase {
+  private RegexCache regexCache;
+
+  public RegexCacheTest() {
+    regexCache = new RegexCache(2);
+  }
+
+  public void testRegexInsertion() {
+    final String regex1 = "[1-5]";
+    final String regex2 = "(?:12|34)";
+    final String regex3 = "[1-3][58]";
+
+    regexCache.getPatternForRegex(regex1);
+    assertTrue(regexCache.containsRegex(regex1));
+
+    regexCache.getPatternForRegex(regex2);
+    assertTrue(regexCache.containsRegex(regex2));
+    assertTrue(regexCache.containsRegex(regex1));
+
+    regexCache.getPatternForRegex(regex1);
+    assertTrue(regexCache.containsRegex(regex1));
+
+    regexCache.getPatternForRegex(regex3);
+    assertTrue(regexCache.containsRegex(regex3));
+
+    assertFalse(regexCache.containsRegex(regex2));
+    assertTrue(regexCache.containsRegex(regex1));
+  }
+}