diff --git a/tests/CSSLayoutAlignItemsTest.cpp b/tests/CSSLayoutAlignItemsTest.cpp
new file mode 100644
index 00000000..1556aa5a
--- /dev/null
+++ b/tests/CSSLayoutAlignItemsTest.cpp
@@ -0,0 +1,123 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+/**
+ * @Generated by gentest/gentest.sh with the following input
+ *
+ * <div style="width: 100px; height: 100px;">
+ * <div style="height: 10px;"></div>
+ * </div>
+ * <div style="width: 100px; height: 100px; align-items: center;">
+ * <div style="height: 10px; width: 10px;"></div>
+ * </div>
+ * <div style="width: 100px; height: 100px; align-items: flex-start;">
+ * <div style="height: 10px; width: 10px;"></div>
+ * </div>
+ * <div style="width: 100px; height: 100px; align-items: flex-end;">
+ * <div style="height: 10px; width: 10px;"></div>
+ * </div>
+ *
+ */
+
+#include <CSSLayout/CSSLayout-internal.h>
+#include <CSSLayoutTestUtils/CSSLayoutTestUtils.h>
+#include <gtest/gtest.h>
+
+TEST(CSSLayoutTest, align_items_stretch) {
+  const CSSNodeRef root = CSSNodeNew();
+  CSSNodeStyleSetWidth(root, 100);
+  CSSNodeStyleSetHeight(root, 100);
+
+  const CSSNodeRef root_child0 = CSSNodeNew();
+  CSSNodeStyleSetHeight(root_child0, 10);
+  CSSNodeInsertChild(root, root_child0, 0);
+  CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
+
+  ASSERT_EQ(0, CSSNodeLayoutGetLeft(root));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetWidth(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetHeight(root));
+
+  ASSERT_EQ(0, CSSNodeLayoutGetLeft(root_child0));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root_child0));
+  ASSERT_EQ(100, CSSNodeLayoutGetWidth(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetHeight(root_child0));
+}
+
+TEST(CSSLayoutTest, align_items_center) {
+  const CSSNodeRef root = CSSNodeNew();
+  CSSNodeStyleSetAlignItems(root, CSSAlignCenter);
+  CSSNodeStyleSetWidth(root, 100);
+  CSSNodeStyleSetHeight(root, 100);
+
+  const CSSNodeRef root_child0 = CSSNodeNew();
+  CSSNodeStyleSetAlignSelf(root_child0, CSSAlignCenter);
+  CSSNodeStyleSetWidth(root_child0, 10);
+  CSSNodeStyleSetHeight(root_child0, 10);
+  CSSNodeInsertChild(root, root_child0, 0);
+  CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
+
+  ASSERT_EQ(0, CSSNodeLayoutGetLeft(root));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetWidth(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetHeight(root));
+
+  ASSERT_EQ(45, CSSNodeLayoutGetLeft(root_child0));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetWidth(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetHeight(root_child0));
+}
+
+TEST(CSSLayoutTest, align_items_flex_start) {
+  const CSSNodeRef root = CSSNodeNew();
+  CSSNodeStyleSetAlignItems(root, CSSAlignFlexStart);
+  CSSNodeStyleSetWidth(root, 100);
+  CSSNodeStyleSetHeight(root, 100);
+
+  const CSSNodeRef root_child0 = CSSNodeNew();
+  CSSNodeStyleSetAlignSelf(root_child0, CSSAlignFlexStart);
+  CSSNodeStyleSetWidth(root_child0, 10);
+  CSSNodeStyleSetHeight(root_child0, 10);
+  CSSNodeInsertChild(root, root_child0, 0);
+  CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
+
+  ASSERT_EQ(0, CSSNodeLayoutGetLeft(root));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetWidth(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetHeight(root));
+
+  ASSERT_EQ(0, CSSNodeLayoutGetLeft(root_child0));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetWidth(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetHeight(root_child0));
+}
+
+TEST(CSSLayoutTest, align_items_flex_end) {
+  const CSSNodeRef root = CSSNodeNew();
+  CSSNodeStyleSetAlignItems(root, CSSAlignFlexEnd);
+  CSSNodeStyleSetWidth(root, 100);
+  CSSNodeStyleSetHeight(root, 100);
+
+  const CSSNodeRef root_child0 = CSSNodeNew();
+  CSSNodeStyleSetAlignSelf(root_child0, CSSAlignFlexEnd);
+  CSSNodeStyleSetWidth(root_child0, 10);
+  CSSNodeStyleSetHeight(root_child0, 10);
+  CSSNodeInsertChild(root, root_child0, 0);
+  CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
+
+  ASSERT_EQ(0, CSSNodeLayoutGetLeft(root));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetWidth(root));
+  ASSERT_EQ(100, CSSNodeLayoutGetHeight(root));
+
+  ASSERT_EQ(90, CSSNodeLayoutGetLeft(root_child0));
+  ASSERT_EQ(0, CSSNodeLayoutGetTop(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetWidth(root_child0));
+  ASSERT_EQ(10, CSSNodeLayoutGetHeight(root_child0));
+}