DATAREDIS-247 - locale independent test execution.

Original pull request spring-projects#17.

Author: Thomas Darimont

.gitignore

@@ -11,4 +11,6 @@ pom.xml
 *.log
 .classpath
 .project
-.settings
+.settings
+.idea
+out

src/test/java/org/springframework/data/redis/core/DefaultValueOperationsTests.java

@@ -15,20 +15,17 @@
  */
 package org.springframework.data.redis.core;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertThat;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assume.assumeTrue;
-import static org.junit.Assert.assertNotNull;
-import static org.springframework.data.redis.SpinBarrier.waitFor;
-import static org.springframework.data.redis.matcher.RedisTestMatchers.isEqual;
+import static org.junit.Assert.*;
+import static org.junit.Assume.*;
+import static org.springframework.data.redis.SpinBarrier.*;
+import static org.springframework.data.redis.matcher.RedisTestMatchers.*;
 
 import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.Locale;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
@@ -99,14 +96,20 @@ public void testIncrementLong() throws Exception {
 assertEquals(Long.valueOf((Long)v1 - 20), (Long)valueOps.get(key));
 }
 
+
+/**
+ * @see DATAREDIS-247
+ */
 @Test
 public void testIncrementDouble() {
+
 assumeTrue(RedisTestProfileValueSource.matches("redisVersion", "2.6"));
 K key = keyFactory.instance();
 V v1 = valueFactory.instance();
 assumeTrue(v1 instanceof Double);
 valueOps.set(key, v1);
-DecimalFormat twoDForm = new DecimalFormat("#.##");
+DecimalFormat twoDForm = (DecimalFormat) DecimalFormat.getInstance(Locale.US);
+
 assertEquals(Double.valueOf(twoDForm.format((Double)v1 + 1.4)), valueOps.increment(key, 1.4));
 assertEquals(Double.valueOf(twoDForm.format((Double)v1 + 1.4)), valueOps.get(key));
 valueOps.increment(key, -10d);