Evaluate "interpreted" attributes when they are set as custom attributes.

src/main/java/com/launchdarkly/client/Variation.java

@@ -179,7 +179,9 @@ else if (attribute.equals("anonymous")) {
           uValue = user.getAnonymous();
         }
       }
-      else { // Custom attribute
+
+      // Always check custom attributes in case interpreted keys were used here
+      if (uValue == null) { // Custom attribute
         JsonElement custom = user.getCustom(attribute);
 
         if (custom != null) {

src/test/java/com/launchdarkly/client/FeatureRepTest.java

@@ -28,6 +28,8 @@ public class FeatureRepTest {
 
   private final Variation.TargetRule targetAnonymousOn = new Variation.TargetRule("anonymous", Collections.singletonList(new JsonPrimitive(true)));
 
+  private final Variation.TargetRule targetEmailOn = new Variation.TargetRule("email", Collections.singletonList(new JsonPrimitive("test@test.com")));
+
   private final Variation<Boolean> trueVariation = new Variation.Builder<>(true, 80)
       .target(targetUserOn)
       .target(targetGroupOn)
@@ -43,6 +45,17 @@ public class FeatureRepTest {
       .target(targetLikesDogsOff)
       .build();
 
+  private final Variation<Boolean> emailOnlyVariation = new Variation.Builder<>(true, 0)
+          .target(targetEmailOn)
+          .build();
+
+  private final FeatureRep<Boolean> emailRuleFlag = new FeatureRep.Builder<Boolean>("Email rule flag", "email.rule.flag")
+          .on(true)
+          .salt("feefifofum")
+          .variation(emailOnlyVariation)
+          .build();
+
+
   private final FeatureRep<Boolean> simpleFlag = new FeatureRep.Builder<Boolean>("Sample flag", "sample.flag")
       .on(true)
       .salt("feefifofum")
@@ -201,4 +214,15 @@ public void testFlagWithAnonymousOn() {
     assertEquals(true, b);
   }
 
+  @Test
+  public void testInterpretedAttributeEvaluatesInCustom() {
+    LDUser customEmailSetUser = new LDUser.Builder("randomOtherUser@test.com").custom("email", "test@test.com").build();
+    Boolean b = emailRuleFlag.evaluate(customEmailSetUser);
+    assertEquals(true, b);
+
+    LDUser interpretedEmailSetUser = new LDUser.Builder("randomOtherUser@test.com").email("test@test.com").build();
+    Boolean b2 = emailRuleFlag.evaluate(interpretedEmailSetUser);
+    assertEquals(true, b2);
+  }
+
 }