1 files changed, 124 insertions, 0 deletions
diff --git a/javatests/com/google/gerrit/index/query/AndPredicateTest.java b/javatests/com/google/gerrit/index/query/AndPredicateTest.java
new file mode 100644
index 0000000000..21098b315e
--- /dev/null
+++ b/javatests/com/google/gerrit/index/query/AndPredicateTest.java
@@ -0,0 +1,124 @@
+// Copyright (C) 2009 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.index.query;
+
+import static com.google.common.collect.ImmutableList.of;
+import static com.google.gerrit.index.query.Predicate.and;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.util.List;
+import org.junit.Test;
+
+public class AndPredicateTest extends PredicateTest {
+  @Test
+  public void children() {
+    final TestPredicate a = f("author", "alice");
+    final TestPredicate b = f("author", "bob");
+    final Predicate<String> n = and(a, b);
+    assertEquals(2, n.getChildCount());
+    assertSame(a, n.getChild(0));
+    assertSame(b, n.getChild(1));
+  }
+
+  @Test
+  public void childrenUnmodifiable() {
+    final TestPredicate a = f("author", "alice");
+    final TestPredicate b = f("author", "bob");
+    final Predicate<String> n = and(a, b);
+
+    try {
+      n.getChildren().clear();
+      fail("Expected UnsupportedOperationException");
+    } catch (UnsupportedOperationException e) {
+      // Expected
+    }
+    assertChildren("clear", n, of(a, b));
+
+    try {
+      n.getChildren().remove(0);
+      fail("Expected UnsupportedOperationException");
+    } catch (UnsupportedOperationException e) {
+      // Expected
+    }
+    assertChildren("remove(0)", n, of(a, b));
+
+    try {
+      n.getChildren().iterator().remove();
+      fail("Expected UnsupportedOperationException");
+    } catch (UnsupportedOperationException e) {
+      // Expected
+    }
+    assertChildren("iterator().remove()", n, of(a, b));
+  }
+
+  private static void assertChildren(
+      String o, Predicate<String> p, List<? extends Predicate<String>> l) {
+    assertEquals(o + " did not affect child", l, p.getChildren());
+  }
+
+  @Test
+  public void testToString() {
+    final TestPredicate a = f("q", "alice");
+    final TestPredicate b = f("q", "bob");
+    final TestPredicate c = f("q", "charlie");
+    assertEquals("(q:alice q:bob)", and(a, b).toString());
+    assertEquals("(q:alice q:bob q:charlie)", and(a, b, c).toString());
+  }
+
+  @Test
+  public void testEquals() {
+    final TestPredicate a = f("author", "alice");
+    final TestPredicate b = f("author", "bob");
+    final TestPredicate c = f("author", "charlie");
+
+    assertTrue(and(a, b).equals(and(a, b)));
+    assertTrue(and(a, b, c).equals(and(a, b, c)));
+
+    assertFalse(and(a, b).equals(and(b, a)));
+    assertFalse(and(a, c).equals(and(a, b)));
+
+    assertFalse(and(a, c).equals(a));
+  }
+
+  @Test
+  public void testHashCode() {
+    final TestPredicate a = f("author", "alice");
+    final TestPredicate b = f("author", "bob");
+    final TestPredicate c = f("author", "charlie");
+
+    assertTrue(and(a, b).hashCode() == and(a, b).hashCode());
+    assertTrue(and(a, b, c).hashCode() == and(a, b, c).hashCode());
+    assertFalse(and(a, c).hashCode() == and(a, b).hashCode());
+  }
+
+  @Test
+  public void testCopy() {
+    final TestPredicate a = f("author", "alice");
+    final TestPredicate b = f("author", "bob");
+    final TestPredicate c = f("author", "charlie");
+    final List<TestPredicate> s2 = of(a, b);
+    final List<TestPredicate> s3 = of(a, b, c);
+    final Predicate<String> n2 = and(a, b);
+
+    assertNotSame(n2, n2.copy(s2));
+    assertEquals(s2, n2.copy(s2).getChildren());
+    assertEquals(s3, n2.copy(s3).getChildren());
+  }
+}