third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/java/util/src/test/java/com/google/protobuf/util/FieldMaskUtilTest.java

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 23 matching lines @@
 import protobuf_unittest.UnittestProto.NestedTestAllTypes;
 import protobuf_unittest.UnittestProto.TestAllTypes;
 
 import junit.framework.TestCase;
 
 /** Unit tests for {@link FieldMaskUtil}. */
 public class FieldMaskUtilTest extends TestCase {
   public void testIsValid() throws Exception {
     assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload"));
     assertFalse(FieldMaskUtil.isValid(NestedTestAllTypes.class, "nonexist"));
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.optional_int32"));
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.repeated_int32"));
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.optional_nested_message"));
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.repeated_nested_message"));
-    assertFalse(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.nonexist"));
-    
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, FieldMaskUtil.fromString("payload")));
-    assertFalse(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, FieldMaskUtil.fromString("nonexist")));
-    assertFalse(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, FieldMaskUtil.fromString("payload,nonexist")));
-    
+    assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.optional_int32"));
+    assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.repeated_int32"));
+    assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.optional_nested_message"));
+    assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.repeated_nested_message"));
+    assertFalse(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.nonexist"));
+
+    assertTrue(
+        FieldMaskUtil.isValid(NestedTestAllTypes.class, FieldMaskUtil.fromString("payload")));
+    assertFalse(
+        FieldMaskUtil.isValid(NestedTestAllTypes.class, FieldMaskUtil.fromString("nonexist")));
+    assertFalse(
+        FieldMaskUtil.isValid(
+            NestedTestAllTypes.class, FieldMaskUtil.fromString("payload,nonexist")));
+
     assertTrue(FieldMaskUtil.isValid(NestedTestAllTypes.getDescriptor(), "payload"));
     assertFalse(FieldMaskUtil.isValid(NestedTestAllTypes.getDescriptor(), "nonexist"));
-    
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.getDescriptor(), FieldMaskUtil.fromString("payload")));
-    assertFalse(FieldMaskUtil.isValid(
-        NestedTestAllTypes.getDescriptor(), FieldMaskUtil.fromString("nonexist")));
-    
-    assertTrue(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.optional_nested_message.bb"));
+
+    assertTrue(
+        FieldMaskUtil.isValid(
+            NestedTestAllTypes.getDescriptor(), FieldMaskUtil.fromString("payload")));
+    assertFalse(
+        FieldMaskUtil.isValid(
+            NestedTestAllTypes.getDescriptor(), FieldMaskUtil.fromString("nonexist")));
+
+    assertTrue(
+        FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.optional_nested_message.bb"));
     // Repeated fields cannot have sub-paths.
-    assertFalse(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.repeated_nested_message.bb"));
+    assertFalse(
+        FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.repeated_nested_message.bb"));
     // Non-message fields cannot have sub-paths.
-    assertFalse(FieldMaskUtil.isValid(
-        NestedTestAllTypes.class, "payload.optional_int32.bb"));
+    assertFalse(FieldMaskUtil.isValid(NestedTestAllTypes.class, "payload.optional_int32.bb"));
   }
-  
+
   public void testToString() throws Exception {
     assertEquals("", FieldMaskUtil.toString(FieldMask.getDefaultInstance()));
     FieldMask mask = FieldMask.newBuilder().addPaths("foo").build();
     assertEquals("foo", FieldMaskUtil.toString(mask));
     mask = FieldMask.newBuilder().addPaths("foo").addPaths("bar").build();
     assertEquals("foo,bar", FieldMaskUtil.toString(mask));
-    
+
     // Empty field paths are ignored.
-    mask = FieldMask.newBuilder().addPaths("").addPaths("foo").addPaths("").
-      addPaths("bar").addPaths("").build();
+    mask =
+        FieldMask.newBuilder()
+            .addPaths("")
+            .addPaths("foo")
+            .addPaths("")
+            .addPaths("bar")
+            .addPaths("")
+            .build();
     assertEquals("foo,bar", FieldMaskUtil.toString(mask));
   }
 
   public void testFromString() throws Exception {
     FieldMask mask = FieldMaskUtil.fromString("");
     assertEquals(0, mask.getPathsCount());
     mask = FieldMaskUtil.fromString("foo");
     assertEquals(1, mask.getPathsCount());
     assertEquals("foo", mask.getPaths(0));
     mask = FieldMaskUtil.fromString("foo,bar.baz");
     assertEquals(2, mask.getPathsCount());
     assertEquals("foo", mask.getPaths(0));
     assertEquals("bar.baz", mask.getPaths(1));
 
     // Empty field paths are ignore.
     mask = FieldMaskUtil.fromString(",foo,,bar,");
     assertEquals(2, mask.getPathsCount());
     assertEquals("foo", mask.getPaths(0));
     assertEquals("bar", mask.getPaths(1));
 
     // Check whether the field paths are valid if a class parameter is provided.
     mask = FieldMaskUtil.fromString(NestedTestAllTypes.class, ",payload");
 
     try {
-      mask = FieldMaskUtil.fromString(
-          NestedTestAllTypes.class, "payload,nonexist");
+      mask = FieldMaskUtil.fromString(NestedTestAllTypes.class, "payload,nonexist");
       fail("Exception is expected.");
     } catch (IllegalArgumentException e) {
       // Expected.
     }
   }
 
   public void testFromFieldNumbers() throws Exception {
     FieldMask mask = FieldMaskUtil.fromFieldNumbers(TestAllTypes.class);
     assertEquals(0, mask.getPathsCount());
     mask =
@@ skipping 10 matching lines @@
     assertEquals("optional_int32", mask.getPaths(0));
     assertEquals("optional_int64", mask.getPaths(1));
 
     try {
       int invalidFieldNumber = 1000;
       mask = FieldMaskUtil.fromFieldNumbers(TestAllTypes.class, invalidFieldNumber);
       fail("Exception is expected.");
     } catch (IllegalArgumentException expected) {
     }
   }
-  
+
+  public void testToJsonString() throws Exception {
+    FieldMask mask = FieldMask.getDefaultInstance();
+    assertEquals("", FieldMaskUtil.toJsonString(mask));
+    mask = FieldMask.newBuilder().addPaths("foo").build();
+    assertEquals("foo", FieldMaskUtil.toJsonString(mask));
+    mask = FieldMask.newBuilder().addPaths("foo.bar_baz").addPaths("").build();
+    assertEquals("foo.barBaz", FieldMaskUtil.toJsonString(mask));
+    mask = FieldMask.newBuilder().addPaths("foo").addPaths("bar_baz").build();
+    assertEquals("foo,barBaz", FieldMaskUtil.toJsonString(mask));
+  }
+
+  public void testFromJsonString() throws Exception {
+    FieldMask mask = FieldMaskUtil.fromJsonString("");
+    assertEquals(0, mask.getPathsCount());
+    mask = FieldMaskUtil.fromJsonString("foo");
+    assertEquals(1, mask.getPathsCount());
+    assertEquals("foo", mask.getPaths(0));
+    mask = FieldMaskUtil.fromJsonString("foo.barBaz");
+    assertEquals(1, mask.getPathsCount());
+    assertEquals("foo.bar_baz", mask.getPaths(0));
+    mask = FieldMaskUtil.fromJsonString("foo,barBaz");
+    assertEquals(2, mask.getPathsCount());
+    assertEquals("foo", mask.getPaths(0));
+    assertEquals("bar_baz", mask.getPaths(1));
+  }
+
   public void testUnion() throws Exception {
     // Only test a simple case here and expect
     // {@link FieldMaskTreeTest#testAddFieldPath} to cover all scenarios.
     FieldMask mask1 = FieldMaskUtil.fromString("foo,bar.baz,bar.quz");
     FieldMask mask2 = FieldMaskUtil.fromString("foo.bar,bar");
     FieldMask result = FieldMaskUtil.union(mask1, mask2);
     assertEquals("bar,foo", FieldMaskUtil.toString(result));
   }
 
   public void testUnion_usingVarArgs() throws Exception {
     FieldMask mask1 = FieldMaskUtil.fromString("foo");
     FieldMask mask2 = FieldMaskUtil.fromString("foo.bar,bar.quz");
     FieldMask mask3 = FieldMaskUtil.fromString("bar.quz");
     FieldMask mask4 = FieldMaskUtil.fromString("bar");
     FieldMask result = FieldMaskUtil.union(mask1, mask2, mask3, mask4);
     assertEquals("bar,foo", FieldMaskUtil.toString(result));
   }
-  
+
   public void testIntersection() throws Exception {
     // Only test a simple case here and expect
     // {@link FieldMaskTreeTest#testIntersectFieldPath} to cover all scenarios.
     FieldMask mask1 = FieldMaskUtil.fromString("foo,bar.baz,bar.quz");
     FieldMask mask2 = FieldMaskUtil.fromString("foo.bar,bar");
     FieldMask result = FieldMaskUtil.intersection(mask1, mask2);
     assertEquals("bar.baz,bar.quz,foo.bar", FieldMaskUtil.toString(result));
   }
-  
+
   public void testMerge() throws Exception {
     // Only test a simple case here and expect
     // {@link FieldMaskTreeTest#testMerge} to cover all scenarios.
-    NestedTestAllTypes source = NestedTestAllTypes.newBuilder()
-        .setPayload(TestAllTypes.newBuilder().setOptionalInt32(1234))
-        .build();
+    NestedTestAllTypes source =
+        NestedTestAllTypes.newBuilder()
+            .setPayload(TestAllTypes.newBuilder().setOptionalInt32(1234))
+            .build();
     NestedTestAllTypes.Builder builder = NestedTestAllTypes.newBuilder();
     FieldMaskUtil.merge(FieldMaskUtil.fromString("payload"), source, builder);
     assertEquals(1234, builder.getPayload().getOptionalInt32());
   }
 }