Handle null in MatrixCursor.get*()

Before, if a column contained null, MatrixCursor.getString()
returned the string "null", and the get<Number>() methods
threw exceptions.

Now, getString() returns null, and get<Number>() return 0.

Fixes http://b/issue?id=1996628

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/CoreTests/android/database/MatrixCursorTest.java b/tests/CoreTests/android/database/MatrixCursorTest.java
index fb8a12f..cddc6c4 100644
--- a/tests/CoreTests/android/database/MatrixCursorTest.java
+++ b/tests/CoreTests/android/database/MatrixCursorTest.java
@@ -32,6 +32,12 @@ public class MatrixCursorTest extends TestCase {
         cursor.newRow().add(null);
         cursor.moveToNext();
         assertTrue(cursor.isNull(0));
+        assertNull(cursor.getString(0));
+        assertEquals(0, cursor.getShort(0));
+        assertEquals(0, cursor.getInt(0));
+        assertEquals(0L, cursor.getLong(0));
+        assertEquals(0.0f, cursor.getFloat(0));
+        assertEquals(0.0d, cursor.getDouble(0));
     }
 
     public void testMatrixCursor() {