Add support for the new Benin phone format.

app/src/test/java/org/thoughtcrime/securesms/contacts/sync/BeninFuzzyMatcherTest.kt

@@ -0,0 +1,39 @@
+package org.thoughtcrime.securesms.contacts.sync
+
+import org.junit.Assert
+import org.junit.Test
+import org.thoughtcrime.securesms.contacts.sync.FuzzyPhoneNumberHelper.BeninFuzzyMatcher
+
+class BeninFuzzyMatcherTest {
+
+  @Test
+  fun matches() {
+    val subject = BeninFuzzyMatcher()
+
+    Assert.assertTrue(subject.matches("+22912345678"))
+    Assert.assertTrue(subject.matches("+2290112345678"))
+
+    Assert.assertFalse(subject.matches("+2290212345678"))
+    Assert.assertFalse(subject.matches("+229999999999"))
+    Assert.assertFalse(subject.matches("+11235550101"))
+  }
+
+  @Test
+  fun getVariant() {
+    val subject = BeninFuzzyMatcher()
+
+    Assert.assertEquals("+22912345678", subject.getVariant("+2290112345678"))
+    Assert.assertEquals("+2290112345678", subject.getVariant("+22912345678"))
+
+    Assert.assertNull(subject.getVariant(""))
+    Assert.assertNull(subject.getVariant("+535512345678"))
+  }
+
+  @Test
+  fun isPreferredVariant() {
+    val subject = BeninFuzzyMatcher()
+
+    Assert.assertTrue(subject.isPreferredVariant("+2290112345678"))
+    Assert.assertFalse(subject.isPreferredVariant("+22912345678"))
+  }
+}