1 files changed, 152 insertions, 0 deletions
diff --git a/core/tests/coretests/src/android/database/MatrixCursorTest.java b/core/tests/coretests/src/android/database/MatrixCursorTest.java
new file mode 100644
index 0000000..cddc6c4
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+++ b/core/tests/coretests/src/android/database/MatrixCursorTest.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2007 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 android.database;
+
+import junit.framework.TestCase;
+
+import java.util.*;
+
+public class MatrixCursorTest extends TestCase {
+
+    public void testEmptyCursor() {
+        Cursor cursor = new MatrixCursor(new String[] { "a" });
+        assertEquals(0, cursor.getCount());
+    }
+
+    public void testNullValue() {
+        MatrixCursor cursor = new MatrixCursor(new String[] { "a" });
+        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() {
+        MatrixCursor cursor = newMatrixCursor();
+
+        cursor.newRow()
+                .add("a")
+                .add(1)
+                .add(2)
+                .add(3)
+                .add(4)
+                .add(5);
+
+        cursor.moveToNext();
+
+        checkValues(cursor);
+
+        cursor.newRow()
+                .add("a")
+                .add("1")
+                .add("2")
+                .add("3")
+                .add("4")
+                .add("5");
+
+        cursor.moveToNext();
+        checkValues(cursor);
+
+        cursor.moveToPrevious();
+        checkValues(cursor);
+    }
+
+    public void testAddArray() {
+        MatrixCursor cursor = newMatrixCursor();
+
+        cursor.addRow(new Object[] { "a", 1, 2, 3, 4, 5 });
+        cursor.moveToNext();
+        checkValues(cursor);
+
+        try {
+            cursor.addRow(new Object[0]);
+            fail();
+        } catch (IllegalArgumentException e) { /* expected */ }
+    }
+
+    public void testAddIterable() {
+        MatrixCursor cursor = newMatrixCursor();
+
+        cursor.addRow(Arrays.asList("a", 1, 2, 3, 4, 5));
+        cursor.moveToNext();
+        checkValues(cursor);
+
+        try {
+            cursor.addRow(Collections.emptyList());
+            fail();
+        } catch (IllegalArgumentException e) { /* expected */ }
+
+        try {
+            cursor.addRow(Arrays.asList("a", 1, 2, 3, 4, 5, "Too many!"));
+            fail();
+        } catch (IllegalArgumentException e) { /* expected */ }
+    }
+
+    public void testAddArrayList() {
+        MatrixCursor cursor = newMatrixCursor();
+
+        cursor.addRow(new NonIterableArrayList<Object>(
+                Arrays.asList("a", 1, 2, 3, 4, 5)));
+        cursor.moveToNext();
+        checkValues(cursor);
+
+        try {
+            cursor.addRow(new NonIterableArrayList<Object>());
+            fail();
+        } catch (IllegalArgumentException e) { /* expected */ }
+
+        try {
+            cursor.addRow(new NonIterableArrayList<Object>(
+                    Arrays.asList("a", 1, 2, 3, 4, 5, "Too many!")));
+            fail();
+        } catch (IllegalArgumentException e) { /* expected */ }
+    }
+
+    static class NonIterableArrayList<T> extends ArrayList<T> {
+
+        NonIterableArrayList() {}
+
+        NonIterableArrayList(Collection<? extends T> ts) {
+            super(ts);
+        }
+
+        @Override
+        public Iterator<T> iterator() {
+            throw new AssertionError();
+        }
+    }
+
+    private MatrixCursor newMatrixCursor() {
+        return new MatrixCursor(new String[] {
+                "string", "short", "int", "long", "float", "double" });
+    }
+
+    private void checkValues(MatrixCursor cursor) {
+        assertEquals("a", cursor.getString(0));
+        assertEquals(1, cursor.getShort(1));
+        assertEquals(2, cursor.getInt(2));
+        assertEquals(3, cursor.getLong(3));
+        assertEquals(4.0f, cursor.getFloat(4));
+        assertEquals(5.0D, cursor.getDouble(5));
+    }
+
+}