Skip byte order mark (BOM) in JsonReader

Bug: http://code.google.com/p/android/issues/detail?id=18508
Change-Id: I7652080d9ab475c75d0a811a6e2ede4975ebe063

1 files changed, 21 insertions, 0 deletions

diff --git a/core/tests/coretests/src/android/util/JsonReaderTest.java b/core/tests/coretests/src/android/util/JsonReaderTest.java
index 0b50af3..42b7640 100644
--- a/core/tests/coretests/src/android/util/JsonReaderTest.java
+++ b/core/tests/coretests/src/android/util/JsonReaderTest.java
@@ -857,11 +857,32 @@ public final class JsonReaderTest extends TestCase {
         }
     }
 
+    public void testBomIgnoredAsFirstCharacterOfDocument() throws IOException {
+        JsonReader reader = new JsonReader(new StringReader("\ufeff[]"));
+        reader.beginArray();
+        reader.endArray();
+    }
+
+    public void testBomForbiddenAsOtherCharacterInDocument() throws IOException {
+        JsonReader reader = new JsonReader(new StringReader("[\ufeff]"));
+        reader.beginArray();
+        try {
+            reader.endArray();
+            fail();
+        } catch (IOException expected) {
+        }
+    }
+
     public void testFailWithPosition() throws IOException {
         testFailWithPosition("Expected literal value at line 6 column 3",
                 "[\n\n\n\n\n0,}]");
     }
 
+    public void testFailWithPositionIsOffsetByBom() throws IOException {
+        testFailWithPosition("Expected literal value at line 1 column 4",
+                "\ufeff[0,}]");
+    }
+
     public void testFailWithPositionGreaterThanBufferSize() throws IOException {
         String spaces = repeat(' ', 8192);
         testFailWithPosition("Expected literal value at line 6 column 3",