Currency code exceeding 6 chars will be ellipsized.

chrome/android/javatests/src/org/chromium/chrome/browser/payments/CurrencyStringFormatterTest.java

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.payments;
 
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
 import java.util.Locale;
 
 /**
  * A lightweight integration test for CurrencyStringFormatter to run on an Android device.
  */
 public class CurrencyStringFormatterTest extends InstrumentationTestCase {
+    /**
+     * Unicode for ellipsis.
+     */
+    private static final String ELLIPSIS = "\u2026";
+
     @SmallTest
     public void testCad() throws Exception {
         CurrencyStringFormatter formatter = new CurrencyStringFormatter("CAD", new Locale("en-US"));
         assertEquals("$5.00", formatter.format("5"));
     }
 
     @SmallTest
     public void testAzn() throws Exception {
         CurrencyStringFormatter formatter = new CurrencyStringFormatter("AZN", new Locale("en-US"));
         assertEquals("5.00", formatter.format("5"));
@@ skipping 51 matching lines @@
     public void testEur() throws Exception {
         CurrencyStringFormatter formatter = new CurrencyStringFormatter("EUR", new Locale("en-US"));
         assertEquals("€5.00", formatter.format("5"));
     }
 
     @SmallTest
     public void testPkr() throws Exception {
         CurrencyStringFormatter formatter = new CurrencyStringFormatter("PKR", new Locale("en-US"));
         assertEquals("5", formatter.format("5"));
     }
+
+    @SmallTest
+    public void testCurrency6Chars() throws Exception {
+        CurrencyStringFormatter formatter =
+                new CurrencyStringFormatter("ABCDEF", new Locale("en-US"));
+        assertEquals("ABCDEF", formatter.formatCurrency("ABCDEF"));
+    }
+
+    @SmallTest
+    public void testCurrencyEllipsized() throws Exception {
+        CurrencyStringFormatter formatter =
+                new CurrencyStringFormatter("ABCDEFG", new Locale("en-US"));
+        assertEquals("ABCDE" + ELLIPSIS, formatter.formatCurrency("ABCDEFG"));

[please use gerrit instead, 2016/09/02 17:30:55]

Use use the ELLIPSIS only once here., so it's fewer lines to type "ABCDE\u2026"
and add a comment above about what it is.

// \u2026 is an ellipsis.
assertEquals("ABCDE\u2026", formatter.formatCurrency("ABCDEFG"));

[pals, 2016/09/06 06:09:00]

Done.

+    }
+
+    @SmallTest
+    public void testCurrencyEmpty() throws Exception {
+        CurrencyStringFormatter formatter = new CurrencyStringFormatter("", new Locale("en-US"));
+        assertEquals("", formatter.formatCurrency(""));
+    }
 }