Fix unchecked type warnings in predicate tests

Change-Id: If9c681e429e8c130c8cdf3f449a889eb234f3d2d
Signed-off-by: Shawn O. Pearce <sop@google.com>

gerrit-server/src/test/java/com/google/gerrit/server/query/AndPredicateTest.java

@@ -43,6 +43,7 @@ public class AndPredicateTest extends TestCase {
     return new TestPredicate(name, value);
   }
 
+  @SuppressWarnings("unchecked")
   public void testChildren() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
@@ -52,6 +53,7 @@ public class AndPredicateTest extends TestCase {
     assertSame(b, n.getChild(1));
   }
 
+  @SuppressWarnings("unchecked")
   public void testChildrenUnmodifiable() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
@@ -81,6 +83,7 @@ public class AndPredicateTest extends TestCase {
     assertEquals(o + " did not affect child", l, p.getChildren());
   }
 
+  @SuppressWarnings("unchecked")
   public void testToString() {
     final TestPredicate a = f("q", "alice");
     final TestPredicate b = f("q", "bob");
@@ -89,6 +92,7 @@ public class AndPredicateTest extends TestCase {
     assertEquals("(q:alice q:bob q:charlie)", and(a, b, c).toString());
   }
 
+  @SuppressWarnings("unchecked")
   public void testEquals() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
@@ -103,6 +107,7 @@ public class AndPredicateTest extends TestCase {
     assertFalse(and(a, c).equals(a));
   }
 
+  @SuppressWarnings("unchecked")
   public void testHashCode() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
@@ -113,6 +118,7 @@ public class AndPredicateTest extends TestCase {
     assertFalse(and(a, c).hashCode() == and(a, b).hashCode());
   }
 
+  @SuppressWarnings("unchecked")
   public void testCopy() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");

gerrit-server/src/test/java/com/google/gerrit/server/query/NotPredicateTest.java

@@ -45,7 +45,7 @@ public class NotPredicateTest extends TestCase {
 
   public void testNotNot() {
     final TestPredicate p = f("author", "bob");
-    final Predicate n = not(p);
+    final Predicate<String> n = not(p);
     assertTrue(n instanceof NotPredicate);
     assertNotSame(p, n);
     assertSame(p, not(n));
@@ -53,14 +53,14 @@ public class NotPredicateTest extends TestCase {
 
   public void testChildren() {
     final TestPredicate p = f("author", "bob");
-    final Predicate n = not(p);
+    final Predicate<String> n = not(p);
     assertEquals(1, n.getChildCount());
     assertSame(p, n.getChild(0));
   }
 
   public void testChildrenUnmodifiable() {
     final TestPredicate p = f("author", "bob");
-    final Predicate n = not(p);
+    final Predicate<String> n = not(p);
 
     try {
       n.getChildren().clear();
@@ -81,7 +81,8 @@ public class NotPredicateTest extends TestCase {
     assertOnlyChild("remove(0)", p, n);
   }
 
-  private static void assertOnlyChild(String o, Predicate c, Predicate p) {
+  private static void assertOnlyChild(String o, Predicate<String> c,
+      Predicate<String> p) {
     assertEquals(o + " did not affect child", 1, p.getChildCount());
     assertSame(o + " did not affect child", c, p.getChild(0));
   }
@@ -102,6 +103,7 @@ public class NotPredicateTest extends TestCase {
     assertFalse(not(f("a", "b")).hashCode() == not(f("a", "a")).hashCode());
   }
 
+  @SuppressWarnings({"rawtypes", "unchecked"})
   public void testCopy() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");

gerrit-server/src/test/java/com/google/gerrit/server/query/OrPredicateTest.java

@@ -43,19 +43,21 @@ public class OrPredicateTest extends TestCase {
     return new TestPredicate(name, value);
   }
 
+  @SuppressWarnings("unchecked")
   public void testChildren() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
-    final Predicate n = or(a, b);
+    final Predicate<String> n = or(a, b);
     assertEquals(2, n.getChildCount());
     assertSame(a, n.getChild(0));
     assertSame(b, n.getChild(1));
   }
 
+  @SuppressWarnings("unchecked")
   public void testChildrenUnmodifiable() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
-    final Predicate n = or(a, b);
+    final Predicate<String> n = or(a, b);
 
     try {
       n.getChildren().clear();
@@ -76,11 +78,12 @@ public class OrPredicateTest extends TestCase {
     assertChildren("remove(0)", n, list(a, b));
   }
 
-  private static void assertChildren(String o, Predicate p,
+  private static void assertChildren(String o, Predicate<String> p,
-      final List<Predicate> l) {
+      final List<Predicate<String>> l) {
     assertEquals(o + " did not affect child", l, p.getChildren());
   }
 
+  @SuppressWarnings("unchecked")
   public void testToString() {
     final TestPredicate a = f("q", "alice");
     final TestPredicate b = f("q", "bob");
@@ -89,6 +92,7 @@ public class OrPredicateTest extends TestCase {
     assertEquals("(q:alice OR q:bob OR q:charlie)", or(a, b, c).toString());
   }
 
+  @SuppressWarnings("unchecked")
   public void testEquals() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
@@ -103,6 +107,7 @@ public class OrPredicateTest extends TestCase {
     assertFalse(or(a, c).equals(a));
   }
 
+  @SuppressWarnings("unchecked")
   public void testHashCode() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
@@ -113,26 +118,27 @@ public class OrPredicateTest extends TestCase {
     assertFalse(or(a, c).hashCode() == or(a, b).hashCode());
   }
 
+  @SuppressWarnings("unchecked")
   public void testCopy() {
     final TestPredicate a = f("author", "alice");
     final TestPredicate b = f("author", "bob");
     final TestPredicate c = f("author", "charlie");
-    final List<Predicate> s2 = list(a, b);
+    final List<Predicate<String>> s2 = list(a, b);
-    final List<Predicate> s3 = list(a, b, c);
+    final List<Predicate<String>> s3 = list(a, b, c);
-    final Predicate n2 = or(a, b);
+    final Predicate<String> n2 = or(a, b);
 
     assertNotSame(n2, n2.copy(s2));
     assertEquals(s2, n2.copy(s2).getChildren());
     assertEquals(s3, n2.copy(s3).getChildren());
 
     try {
-      n2.copy(Collections.<Predicate> emptyList());
+      n2.copy(Collections.<Predicate<String>> emptyList());
     } catch (IllegalArgumentException e) {
       assertEquals("Need at least two predicates", e.getMessage());
     }
   }
 
-  private static List<Predicate> list(final Predicate... predicates) {
+  private static <T> List<Predicate<T>> list(final Predicate<T>... predicates) {
     return Arrays.asList(predicates);
   }
 }